#!/usr/bin/python3.7 -OO
# Copyright 2007-2020 The SABnzbd-Team <team@sabnzbd.org>
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

"""
sabnzbd.api - api
"""

import os
import logging
import re
import datetime
import time
import json
import cherrypy
import locale

from threading import Thread

try:
    import win32api
    import win32file
except ImportError:
    pass

import sabnzbd
from sabnzbd.constants import (
    VALID_ARCHIVES,
    VALID_NZB_FILES,
    Status,
    TOP_PRIORITY,
    REPAIR_PRIORITY,
    HIGH_PRIORITY,
    NORMAL_PRIORITY,
    LOW_PRIORITY,
    KIBI,
    MEBI,
    GIGI,
)
import sabnzbd.config as config
import sabnzbd.cfg as cfg
from sabnzbd.downloader import Downloader
from sabnzbd.nzbqueue import NzbQueue
import sabnzbd.scheduler as scheduler
from sabnzbd.skintext import SKIN_TEXT
from sabnzbd.utils.pathbrowser import folders_at_path
from sabnzbd.utils.getperformance import getcpu
from sabnzbd.misc import (
    loadavg,
    to_units,
    int_conv,
    time_format,
    cat_convert,
    create_https_certificates,
    calc_age,
    opts_to_pp,
)
from sabnzbd.filesystem import diskspace, get_ext, globber_full, clip_path, remove_all
from sabnzbd.encoding import xml_name
from sabnzbd.postproc import PostProcessor
from sabnzbd.articlecache import ArticleCache
from sabnzbd.utils.servertests import test_nntp_server_dict
from sabnzbd.bpsmeter import BPSMeter
from sabnzbd.rating import Rating
from sabnzbd.getipaddress import localipv4, publicipv4, ipv6, addresslookup
from sabnzbd.newsunpack import userxbit
from sabnzbd.database import build_history_info, unpack_history_info, HistoryDB
import sabnzbd.notifier
import sabnzbd.rss
import sabnzbd.emailer

##############################################################################
# API error messages
##############################################################################
_MSG_NO_VALUE = "expects one parameter"
_MSG_NO_VALUE2 = "expects two parameters"
_MSG_INT_VALUE = "expects integer value"
_MSG_NO_ITEM = "item does not exist"
_MSG_NOT_IMPLEMENTED = "not implemented"
_MSG_NO_FILE = "no file given"
_MSG_NO_PATH = "file does not exist"
_MSG_OUTPUT_FORMAT = "Format not supported"
_MSG_NO_SUCH_CONFIG = "Config item does not exist"
_MSG_CONFIG_LOCKED = "Configuration locked"
_MSG_BAD_SERVER_PARMS = "Incorrect server settings"

# For Windows: determine executable extensions
if os.name == "nt":
    PATHEXT = os.environ.get("PATHEXT", "").lower().split(";")
else:
    PATHEXT = []


def api_handler(kwargs):
    """ API Dispatcher """
    if cfg.api_logging():
        # Was it proxy forwarded?
        xff = cherrypy.request.headers.get("X-Forwarded-For")
        if xff:
            logging.debug(
                "API-call from %s (X-Forwarded-For: %s) [%s] %s",
                cherrypy.request.remote.ip,
                xff,
                cherrypy.request.headers.get("User-Agent", "??"),
                kwargs,
            )
        else:
            logging.debug(
                "API-call from %s [%s] %s",
                cherrypy.request.remote.ip,
                cherrypy.request.headers.get("User-Agent", "??"),
                kwargs,
            )

    # Clean-up the arguments
    for vr in ("mode", "output", "name"):
        if vr in kwargs and isinstance(kwargs[vr], list):
            kwargs[vr] = kwargs[vr][0]

    mode = kwargs.get("mode", "")
    output = kwargs.get("output", "")
    name = kwargs.get("name", "")

    if mode not in ("version", "auth"):
        msg = sabnzbd.interface.check_apikey(kwargs)
        if msg:
            return report(output, msg)

    response = _api_table.get(mode, (_api_undefined, 2))[0](name, output, kwargs)
    return response


def _api_get_config(name, output, kwargs):
    """ API: accepts output, keyword, section """
    _, data = config.get_dconfig(kwargs.get("section"), kwargs.get("keyword"))
    return report(output, keyword="config", data=data)


def _api_set_config(name, output, kwargs):
    """ API: accepts output, keyword, section """
    if cfg.configlock():
        return report(output, _MSG_CONFIG_LOCKED)
    if kwargs.get("section") == "servers":
        kwargs["keyword"] = handle_server_api(output, kwargs)
    elif kwargs.get("section") == "rss":
        kwargs["keyword"] = handle_rss_api(output, kwargs)
    elif kwargs.get("section") == "categories":
        kwargs["keyword"] = handle_cat_api(output, kwargs)
    else:
        res = config.set_config(kwargs)
        if not res:
            return report(output, _MSG_NO_SUCH_CONFIG)
    config.save_config()
    res, data = config.get_dconfig(kwargs.get("section"), kwargs.get("keyword"))
    return report(output, keyword="config", data=data)


def _api_set_config_default(name, output, kwargs):
    """ API: Reset requested config variables back to defaults. Currently only for misc-section """
    if cfg.configlock():
        return report(output, _MSG_CONFIG_LOCKED)
    keywords = kwargs.get("keyword", [])
    if not isinstance(keywords, list):
        keywords = [keywords]
    for keyword in keywords:
        item = config.get_config("misc", keyword)
        if item:
            item.set(item.default())
    config.save_config()
    return report(output)


def _api_del_config(name, output, kwargs):
    """ API: accepts output, keyword, section """
    if cfg.configlock():
        return report(output, _MSG_CONFIG_LOCKED)
    if del_from_section(kwargs):
        return report(output)
    else:
        return report(output, _MSG_NOT_IMPLEMENTED)


def _api_queue(name, output, kwargs):
    """ API: Dispatcher for mode=queue """
    value = kwargs.get("value", "")
    return _api_queue_table.get(name, (_api_queue_default, 2))[0](output, value, kwargs)


def _api_queue_delete(output, value, kwargs):
    """ API: accepts output, value """
    if value.lower() == "all":
        removed = NzbQueue.do.remove_all(kwargs.get("search"))
        return report(output, keyword="", data={"status": bool(removed), "nzo_ids": removed})
    elif value:
        items = value.split(",")
        delete_all_data = int_conv(kwargs.get("del_files"))
        removed = NzbQueue.do.remove_multiple(items, delete_all_data=delete_all_data)
        return report(output, keyword="", data={"status": bool(removed), "nzo_ids": removed})
    else:
        return report(output, _MSG_NO_VALUE)


def _api_queue_delete_nzf(output, value, kwargs):
    """ API: accepts value(=nzo_id), value2(=nzf_id) """
    value2 = kwargs.get("value2")
    if value and value2:
        removed = NzbQueue.do.remove_nzf(value, value2, force_delete=True)
        return report(output, keyword="", data={"status": bool(removed), "nzf_ids": removed})
    else:
        return report(output, _MSG_NO_VALUE2)


def _api_queue_rename(output, value, kwargs):
    """ API: accepts output, value(=old name), value2(=new name), value3(=password) """
    value2 = kwargs.get("value2")
    value3 = kwargs.get("value3")
    if value and value2:
        ret = NzbQueue.do.change_name(value, value2, value3)
        return report(output, keyword="", data={"status": ret})
    else:
        return report(output, _MSG_NO_VALUE2)


def _api_queue_change_complete_action(output, value, kwargs):
    """ API: accepts output, value(=action) """
    sabnzbd.change_queue_complete_action(value)
    return report(output)


def _api_queue_purge(output, value, kwargs):
    """ API: accepts output """
    removed = NzbQueue.do.remove_all(kwargs.get("search"))
    return report(output, keyword="", data={"status": bool(removed), "nzo_ids": removed})


def _api_queue_pause(output, value, kwargs):
    """ API: accepts output, value(=list of nzo_id) """
    if value:
        items = value.split(",")
        handled = NzbQueue.do.pause_multiple_nzo(items)
    else:
        handled = False
    return report(output, keyword="", data={"status": bool(handled), "nzo_ids": handled})


def _api_queue_resume(output, value, kwargs):
    """ API: accepts output, value(=list of nzo_id) """
    if value:
        items = value.split(",")
        handled = NzbQueue.do.resume_multiple_nzo(items)
    else:
        handled = False
    return report(output, keyword="", data={"status": bool(handled), "nzo_ids": handled})


def _api_queue_priority(output, value, kwargs):
    """ API: accepts output, value(=nzo_id), value2(=priority) """
    value2 = kwargs.get("value2")
    if value and value2:
        try:
            try:
                priority = int(value2)
            except:
                return report(output, _MSG_INT_VALUE)
            pos = NzbQueue.do.set_priority(value, priority)
            # Returns the position in the queue, -1 is incorrect job-id
            return report(output, keyword="position", data=pos)
        except:
            return report(output, _MSG_NO_VALUE2)
    else:
        return report(output, _MSG_NO_VALUE2)


def _api_queue_sort(output, value, kwargs):
    """ API: accepts output, sort, dir """
    sort = kwargs.get("sort")
    direction = kwargs.get("dir", "")
    if sort:
        NzbQueue.do.sort_queue(sort, direction)
        return report(output)
    else:
        return report(output, _MSG_NO_VALUE2)


def _api_queue_default(output, value, kwargs):
    """ API: accepts output, sort, dir, start, limit """
    start = int_conv(kwargs.get("start"))
    limit = int_conv(kwargs.get("limit"))
    search = kwargs.get("search")

    info, pnfo_list, bytespersec = build_queue(start=start, limit=limit, output=output, search=search)
    return report(output, keyword="queue", data=info)


def _api_queue_rating(output, value, kwargs):
    """ API: accepts output, value(=nzo_id), type, setting, detail """
    vote_map = {"up": Rating.VOTE_UP, "down": Rating.VOTE_DOWN}
    flag_map = {
        "spam": Rating.FLAG_SPAM,
        "encrypted": Rating.FLAG_ENCRYPTED,
        "expired": Rating.FLAG_EXPIRED,
        "other": Rating.FLAG_OTHER,
        "comment": Rating.FLAG_COMMENT,
    }
    content_type = kwargs.get("type")
    setting = kwargs.get("setting")
    if value:
        try:
            video = audio = vote = flag = None
            if content_type == "video" and setting != "-":
                video = setting
            if content_type == "audio" and setting != "-":
                audio = setting
            if content_type == "vote":
                vote = vote_map[setting]
            if content_type == "flag":
                flag = flag_map[setting]
            if cfg.rating_enable():
                Rating.do.update_user_rating(value, video, audio, vote, flag, kwargs.get("detail"))
            return report(output)
        except:
            return report(output, _MSG_BAD_SERVER_PARMS)
    else:
        return report(output, _MSG_NO_VALUE)


def _api_options(name, output, kwargs):
    """ API: accepts output """
    return options_list(output)


def _api_translate(name, output, kwargs):
    """ API: accepts output, value(=acronym) """
    return report(output, keyword="value", data=T(kwargs.get("value", "")))


def _api_addfile(name, output, kwargs):
    """ API: accepts name, output, pp, script, cat, priority, nzbname """
    # Normal upload will send the nzb in a kw arg called name or nzbfile
    if not name or isinstance(name, str):
        name = kwargs.get("nzbfile", None)
    if hasattr(name, "file") and hasattr(name, "filename") and name.filename:
        cat = kwargs.get("cat")
        xcat = kwargs.get("xcat")
        if not cat and xcat:
            # Indexer category, so do mapping
            cat = cat_convert(xcat)
        # Add the NZB-file
        res, nzo_ids = sabnzbd.add_nzbfile(
            name,
            pp=kwargs.get("pp"),
            script=kwargs.get("script"),
            cat=cat,
            priority=kwargs.get("priority"),
            nzbname=kwargs.get("nzbname"),
        )
        return report(output, keyword="", data={"status": res == 0, "nzo_ids": nzo_ids})
    else:
        return report(output, _MSG_NO_VALUE)


def _api_retry(name, output, kwargs):
    """ API: accepts name, output, value(=nzo_id), nzbfile(=optional NZB), password (optional) """
    value = kwargs.get("value")
    # Normal upload will send the nzb in a kw arg called nzbfile
    if name is None or isinstance(name, str):
        name = kwargs.get("nzbfile")
    password = kwargs.get("password")
    password = password[0] if isinstance(password, list) else password

    nzo_id = retry_job(value, name, password)
    if nzo_id:
        return report(output, keyword="", data={"status": True, "nzo_id": nzo_id})
    else:
        return report(output, _MSG_NO_ITEM)


def _api_cancel_pp(name, output, kwargs):
    """ API: accepts name, output, value(=nzo_id) """
    nzo_id = kwargs.get("value")
    if PostProcessor.do.cancel_pp(nzo_id):
        return report(output, keyword="", data={"status": True, "nzo_id": nzo_id})
    else:
        return report(output, _MSG_NO_ITEM)


def _api_addlocalfile(name, output, kwargs):
    """ API: accepts name, output, pp, script, cat, priority, nzbname """
    if name:
        if os.path.exists(name):
            pp = kwargs.get("pp")
            script = kwargs.get("script")
            cat = kwargs.get("cat")
            xcat = kwargs.get("xcat")
            if not cat and xcat:
                # Indexer category, so do mapping
                cat = cat_convert(xcat)
            priority = kwargs.get("priority")
            nzbname = kwargs.get("nzbname")

            if get_ext(name) in VALID_ARCHIVES + VALID_NZB_FILES:
                res, nzo_ids = sabnzbd.add_nzbfile(
                    name, pp=pp, script=script, cat=cat, priority=priority, keep=True, nzbname=nzbname
                )
                return report(output, keyword="", data={"status": res == 0, "nzo_ids": nzo_ids})
            else:
                logging.info('API-call addlocalfile: "%s" is not a supported file', name)
                return report(output, _MSG_NO_FILE)
        else:
            logging.info('API-call addlocalfile: file "%s" not found', name)
            return report(output, _MSG_NO_PATH)
    else:
        logging.info("API-call addlocalfile: no file name given")
        return report(output, _MSG_NO_VALUE)


def _api_switch(name, output, kwargs):
    """ API: accepts output, value(=first id), value2(=second id) """
    value = kwargs.get("value")
    value2 = kwargs.get("value2")
    if value and value2:
        pos, prio = NzbQueue.do.switch(value, value2)
        # Returns the new position and new priority (if different)
        return report(output, keyword="result", data={"position": pos, "priority": prio})
    else:
        return report(output, _MSG_NO_VALUE2)


def _api_change_cat(name, output, kwargs):
    """ API: accepts output, value(=nzo_id), value2(=category) """
    value = kwargs.get("value")
    value2 = kwargs.get("value2")
    if value and value2:
        nzo_id = value
        cat = value2
        if cat == "None":
            cat = None
        result = NzbQueue.do.change_cat(nzo_id, cat)
        return report(output, keyword="status", data=bool(result > 0))
    else:
        return report(output, _MSG_NO_VALUE)


def _api_change_script(name, output, kwargs):
    """ API: accepts output, value(=nzo_id), value2(=script) """
    value = kwargs.get("value")
    value2 = kwargs.get("value2")
    if value and value2:
        nzo_id = value
        script = value2
        if script.lower() == "none":
            script = None
        result = NzbQueue.do.change_script(nzo_id, script)
        return report(output, keyword="status", data=bool(result > 0))
    else:
        return report(output, _MSG_NO_VALUE)


def _api_change_opts(name, output, kwargs):
    """ API: accepts output, value(=nzo_id), value2(=pp) """
    value = kwargs.get("value")
    value2 = kwargs.get("value2")
    result = 0
    if value and value2 and value2.isdigit():
        result = NzbQueue.do.change_opts(value, int(value2))
    return report(output, keyword="status", data=bool(result > 0))


def _api_fullstatus(name, output, kwargs):
    """ API: full history status"""
    status = build_status(skip_dashboard=kwargs.get("skip_dashboard", 1), output=output)
    return report(output, keyword="status", data=status)


def _api_history(name, output, kwargs):
    """ API: accepts output, value(=nzo_id), start, limit, search """
    value = kwargs.get("value", "")
    start = int_conv(kwargs.get("start"))
    limit = int_conv(kwargs.get("limit"))
    last_history_update = int_conv(kwargs.get("last_history_update", 0))
    search = kwargs.get("search")
    failed_only = kwargs.get("failed_only")
    categories = kwargs.get("category")

    # Do we need to send anything?
    if last_history_update == sabnzbd.LAST_HISTORY_UPDATE:
        return report(output, keyword="history", data=False)

    if categories and not isinstance(categories, list):
        categories = [categories]

    if not limit:
        limit = cfg.history_limit()

    if name == "delete":
        special = value.lower()
        del_files = bool(int_conv(kwargs.get("del_files")))
        if special in ("all", "failed", "completed"):
            history_db = sabnzbd.get_db_connection()
            if special in ("all", "failed"):
                if del_files:
                    del_job_files(history_db.get_failed_paths(search))
                history_db.remove_failed(search)
            if special in ("all", "completed"):
                history_db.remove_completed(search)
            sabnzbd.history_updated()
            return report(output)
        elif value:
            jobs = value.split(",")
            for job in jobs:
                del_hist_job(job, del_files)
            sabnzbd.history_updated()
            return report(output)
        else:
            return report(output, _MSG_NO_VALUE)
    elif not name:
        history = {}
        grand, month, week, day = BPSMeter.do.get_sums()
        history["total_size"], history["month_size"], history["week_size"], history["day_size"] = (
            to_units(grand),
            to_units(month),
            to_units(week),
            to_units(day),
        )
        history["slots"], fetched_items, history["noofslots"] = build_history(
            start=start, limit=limit, search=search, failed_only=failed_only, categories=categories, output=output
        )
        history["last_history_update"] = sabnzbd.LAST_HISTORY_UPDATE
        history["version"] = sabnzbd.__version__
        return report(output, keyword="history", data=history)
    else:
        return report(output, _MSG_NOT_IMPLEMENTED)


def _api_get_files(name, output, kwargs):
    """ API: accepts output, value(=nzo_id) """
    value = kwargs.get("value")
    if value:
        return report(output, keyword="files", data=build_file_list(value))
    else:
        return report(output, _MSG_NO_VALUE)


def _api_addurl(name, output, kwargs):
    """ API: accepts name, output, pp, script, cat, priority, nzbname """
    pp = kwargs.get("pp")
    script = kwargs.get("script")
    cat = kwargs.get("cat")
    priority = kwargs.get("priority")
    nzbname = kwargs.get("nzbname", "")

    if name:
        nzo_id = sabnzbd.add_url(name, pp, script, cat, priority, nzbname)
        # Reporting a list of NZO's, for compatibility with other add-methods
        return report(output, keyword="", data={"status": True, "nzo_ids": [nzo_id]})
    else:
        logging.info("API-call addurl: no URLs recieved")
        return report(output, _MSG_NO_VALUE)


def _api_pause(name, output, kwargs):
    """ API: accepts output """
    scheduler.plan_resume(0)
    Downloader.do.pause()
    return report(output)


def _api_resume(name, output, kwargs):
    """ API: accepts output """
    scheduler.plan_resume(0)
    sabnzbd.unpause_all()
    return report(output)


def _api_shutdown(name, output, kwargs):
    """ API: accepts output """
    sabnzbd.shutdown_program()
    return report(output)


def _api_warnings(name, output, kwargs):
    """ API: accepts name, output """
    if name == "clear":
        return report(output, keyword="warnings", data=sabnzbd.GUIHANDLER.clear())
    elif name == "show":
        return report(output, keyword="warnings", data=sabnzbd.GUIHANDLER.content())
    elif name:
        return report(output, _MSG_NOT_IMPLEMENTED)
    return report(output, keyword="warnings", data=sabnzbd.GUIHANDLER.content())


def _api_get_cats(name, output, kwargs):
    """ API: accepts output """
    return report(output, keyword="categories", data=list_cats(False))


def _api_get_scripts(name, output, kwargs):
    """ API: accepts output """
    return report(output, keyword="scripts", data=list_scripts())


def _api_version(name, output, kwargs):
    """ API: accepts output """
    return report(output, keyword="version", data=sabnzbd.__version__)


def _api_auth(name, output, kwargs):
    """ API: accepts output """
    auth = "None"
    if not cfg.disable_key():
        auth = "badkey"
        key = kwargs.get("key", "")
        if not key:
            auth = "apikey"
        else:
            if key == cfg.nzb_key():
                auth = "nzbkey"
            if key == cfg.api_key():
                auth = "apikey"
    elif cfg.username() and cfg.password():
        auth = "login"
    return report(output, keyword="auth", data=auth)


def _api_restart(name, output, kwargs):
    """ API: accepts output """
    logging.info("Restart requested by API")
    # Do the shutdown async to still send goodbye to browser
    Thread(target=sabnzbd.trigger_restart, kwargs={"timeout": 1}).start()
    return report(output)


def _api_restart_repair(name, output, kwargs):
    """ API: accepts output """
    logging.info("Queue repair requested by API")
    sabnzbd.request_repair()
    sabnzbd.trigger_restart()
    return report(output)


def _api_disconnect(name, output, kwargs):
    """ API: accepts output """
    Downloader.do.disconnect()
    return report(output)


def _api_osx_icon(name, output, kwargs):
    """ API: accepts output, value """
    value = kwargs.get("value", "1").strip()
    cfg.osx_menu.set(value != "0")
    return report(output)


def _api_rescan(name, output, kwargs):
    """ API: accepts output """
    NzbQueue.do.scan_jobs(all_jobs=False, action=True)
    return report(output)


def _api_eval_sort(name, output, kwargs):
    """ API: evaluate sorting expression """
    name = kwargs.get("name", "")
    value = kwargs.get("value", "")
    title = kwargs.get("title")
    multipart = kwargs.get("movieextra", "")
    path = sabnzbd.sorting.eval_sort(value, title, name, multipart)
    if path is None:
        return report(output, _MSG_NOT_IMPLEMENTED)
    else:
        return report(output, keyword="result", data=path)


def _api_watched_now(name, output, kwargs):
    """ API: accepts output """
    sabnzbd.dirscanner.dirscan()
    return report(output)


def _api_resume_pp(name, output, kwargs):
    """ API: accepts output """
    PostProcessor.do.paused = False
    return report(output)


def _api_pause_pp(name, output, kwargs):
    """ API: accepts output """
    PostProcessor.do.paused = True
    return report(output)


def _api_rss_now(name, output, kwargs):
    """ API: accepts output """
    # Run RSS scan async, because it can take a long time
    scheduler.force_rss()
    return report(output)


def _api_retry_all(name, output, kwargs):
    """ API: Retry all failed items in History """
    return report(output, keyword="status", data=retry_all_jobs())


def _api_reset_quota(name, output, kwargs):
    """ Reset quota left """
    BPSMeter.do.reset_quota(force=True)


def _api_test_email(name, output, kwargs):
    """ API: send a test email, return result """
    logging.info("Sending test email")
    pack = {"download": ["action 1", "action 2"], "unpack": ["action 1", "action 2"]}
    res = sabnzbd.emailer.endjob(
        "I had a d\xe8ja vu",
        "unknown",
        True,
        os.path.normpath(os.path.join(cfg.complete_dir.get_path(), "/unknown/I had a d\xe8ja vu")),
        123 * MEBI,
        None,
        pack,
        "my_script",
        "Line 1\nLine 2\nLine 3\nd\xe8ja vu\n",
        0,
        test=kwargs,
    )
    if res == T("Email succeeded"):
        return report(output)
    return report(output, error=res)


def _api_test_windows(name, output, kwargs):
    """ API: send a test to Windows, return result """
    logging.info("Sending test notification")
    res = sabnzbd.notifier.send_windows("SABnzbd", T("Test Notification"), "other")
    return report(output, error=res)


def _api_test_notif(name, output, kwargs):
    """ API: send a test to Notification Center, return result """
    logging.info("Sending test notification")
    res = sabnzbd.notifier.send_notification_center("SABnzbd", T("Test Notification"), "other")
    return report(output, error=res)


def _api_test_osd(name, output, kwargs):
    """ API: send a test OSD notification, return result """
    logging.info("Sending OSD notification")
    res = sabnzbd.notifier.send_notify_osd("SABnzbd", T("Test Notification"))
    return report(output, error=res)


def _api_test_prowl(name, output, kwargs):
    """ API: send a test Prowl notification, return result """
    logging.info("Sending Prowl notification")
    res = sabnzbd.notifier.send_prowl("SABnzbd", T("Test Notification"), "other", force=True, test=kwargs)
    return report(output, error=res)


def _api_test_pushover(name, output, kwargs):
    """ API: send a test Pushover notification, return result """
    logging.info("Sending Pushover notification")
    res = sabnzbd.notifier.send_pushover("SABnzbd", T("Test Notification"), "other", force=True, test=kwargs)
    return report(output, error=res)


def _api_test_pushbullet(name, output, kwargs):
    """ API: send a test Pushbullet notification, return result """
    logging.info("Sending Pushbullet notification")
    res = sabnzbd.notifier.send_pushbullet("SABnzbd", T("Test Notification"), "other", force=True, test=kwargs)
    return report(output, error=res)


def _api_test_nscript(name, output, kwargs):
    """ API: execute a test notification script, return result """
    logging.info("Executing notification script")
    res = sabnzbd.notifier.send_nscript("SABnzbd", T("Test Notification"), "other", force=True, test=kwargs)
    return report(output, error=res)


def _api_undefined(name, output, kwargs):
    """ API: accepts output """
    return report(output, _MSG_NOT_IMPLEMENTED)


def _api_browse(name, output, kwargs):
    """ Return tree of local path """
    compact = kwargs.get("compact")

    if compact and compact == "1":
        name = kwargs.get("term", "")
        paths = [entry["path"] for entry in folders_at_path(os.path.dirname(name)) if "path" in entry]
        return report(output, keyword="", data=paths)
    else:
        show_hidden = kwargs.get("show_hidden_folders")
        paths = folders_at_path(name, True, show_hidden)
        return report(output, keyword="paths", data=paths)


def _api_config(name, output, kwargs):
    """ API: Dispatcher for "config" """
    if cfg.configlock():
        return report(output, _MSG_CONFIG_LOCKED)
    return _api_config_table.get(name, (_api_config_undefined, 2))[0](output, kwargs)


def _api_config_speedlimit(output, kwargs):
    """ API: accepts output, value(=speed) """
    value = kwargs.get("value")
    if not value:
        value = "0"
    Downloader.do.limit_speed(value)
    return report(output)


def _api_config_get_speedlimit(output, kwargs):
    """ API: accepts output """
    return report(output, keyword="speedlimit", data=Downloader.do.get_limit())


def _api_config_set_colorscheme(output, kwargs):
    """ API: accepts output"""
    value = kwargs.get("value")
    if value:
        cfg.web_color.set(value)
        return report(output)
    else:
        return report(output, _MSG_NO_VALUE)


def _api_config_set_pause(output, kwargs):
    """ API: accepts output, value(=pause interval) """
    value = kwargs.get("value")
    scheduler.plan_resume(int_conv(value))
    return report(output)


def _api_config_set_apikey(output, kwargs):
    """ API: accepts output """
    cfg.api_key.set(config.create_api_key())
    config.save_config()
    return report(output, keyword="apikey", data=cfg.api_key())


def _api_config_set_nzbkey(output, kwargs):
    """ API: accepts output """
    cfg.nzb_key.set(config.create_api_key())
    config.save_config()
    return report(output, keyword="nzbkey", data=cfg.nzb_key())


def _api_config_regenerate_certs(output, kwargs):
    # Make sure we only over-write default locations
    result = False
    if (
        sabnzbd.cfg.https_cert() is sabnzbd.cfg.https_cert.default()
        and sabnzbd.cfg.https_key() is sabnzbd.cfg.https_key.default()
    ):
        https_cert = sabnzbd.cfg.https_cert.get_path()
        https_key = sabnzbd.cfg.https_key.get_path()
        result = create_https_certificates(https_cert, https_key)
        sabnzbd.RESTART_REQ = True
    return report(output, data=result)


def _api_config_test_server(output, kwargs):
    """ API: accepts output, server-params """
    result, msg = test_nntp_server_dict(kwargs)
    response = {"result": result, "message": msg}
    if output:
        return report(output, data=response)
    else:
        return msg


def _api_config_undefined(output, kwargs):
    """ API: accepts output """
    return report(output, _MSG_NOT_IMPLEMENTED)


def _api_server_stats(name, output, kwargs):
    """ API: accepts output """
    sum_t, sum_m, sum_w, sum_d = BPSMeter.do.get_sums()
    stats = {"total": sum_t, "month": sum_m, "week": sum_w, "day": sum_d, "servers": {}}

    for svr in config.get_servers():
        t, m, w, d, daily = BPSMeter.do.amounts(svr)
        stats["servers"][svr] = {"total": t or 0, "month": m or 0, "week": w or 0, "day": d or 0, "daily": daily or {}}

    return report(output, keyword="", data=stats)


##############################################################################
_api_table = {
    "server_stats": (_api_server_stats, 2),
    "get_config": (_api_get_config, 3),
    "set_config": (_api_set_config, 3),
    "set_config_default": (_api_set_config_default, 3),
    "del_config": (_api_del_config, 3),
    "queue": (_api_queue, 2),
    "options": (_api_options, 2),
    "translate": (_api_translate, 2),
    "addfile": (_api_addfile, 1),
    "retry": (_api_retry, 2),
    "cancel_pp": (_api_cancel_pp, 2),
    "addlocalfile": (_api_addlocalfile, 1),
    "switch": (_api_switch, 2),
    "change_cat": (_api_change_cat, 2),
    "change_script": (_api_change_script, 2),
    "change_opts": (_api_change_opts, 2),
    "fullstatus": (_api_fullstatus, 2),
    "history": (_api_history, 2),
    "get_files": (_api_get_files, 2),
    "addurl": (_api_addurl, 1),
    "addid": (_api_addurl, 1),
    "pause": (_api_pause, 2),
    "resume": (_api_resume, 2),
    "shutdown": (_api_shutdown, 3),
    "warnings": (_api_warnings, 2),
    "config": (_api_config, 2),
    "get_cats": (_api_get_cats, 2),
    "get_scripts": (_api_get_scripts, 2),
    "version": (_api_version, 1),
    "auth": (_api_auth, 1),
    "restart": (_api_restart, 3),
    "restart_repair": (_api_restart_repair, 2),
    "disconnect": (_api_disconnect, 2),
    "osx_icon": (_api_osx_icon, 3),
    "rescan": (_api_rescan, 2),
    "eval_sort": (_api_eval_sort, 2),
    "watched_now": (_api_watched_now, 2),
    "resume_pp": (_api_resume_pp, 2),
    "pause_pp": (_api_pause_pp, 2),
    "rss_now": (_api_rss_now, 2),
    "browse": (_api_browse, 2),
    "retry_all": (_api_retry_all, 2),
    "reset_quota": (_api_reset_quota, 2),
    "test_email": (_api_test_email, 2),
    "test_windows": (_api_test_windows, 2),
    "test_notif": (_api_test_notif, 2),
    "test_osd": (_api_test_osd, 2),
    "test_pushover": (_api_test_pushover, 2),
    "test_pushbullet": (_api_test_pushbullet, 2),
    "test_prowl": (_api_test_prowl, 2),
    "test_nscript": (_api_test_nscript, 2),
}

_api_queue_table = {
    "delete": (_api_queue_delete, 2),
    "delete_nzf": (_api_queue_delete_nzf, 2),
    "rename": (_api_queue_rename, 2),
    "change_complete_action": (_api_queue_change_complete_action, 2),
    "purge": (_api_queue_purge, 2),
    "pause": (_api_queue_pause, 2),
    "resume": (_api_queue_resume, 2),
    "priority": (_api_queue_priority, 2),
    "sort": (_api_queue_sort, 2),
    "rating": (_api_queue_rating, 2),
}

_api_config_table = {
    "speedlimit": (_api_config_speedlimit, 2),
    "set_speedlimit": (_api_config_speedlimit, 2),
    "get_speedlimit": (_api_config_get_speedlimit, 2),
    "set_colorscheme": (_api_config_set_colorscheme, 2),
    "set_pause": (_api_config_set_pause, 2),
    "set_apikey": (_api_config_set_apikey, 3),
    "set_nzbkey": (_api_config_set_nzbkey, 3),
    "regenerate_certs": (_api_config_regenerate_certs, 3),
    "test_server": (_api_config_test_server, 2),
}


def api_level(cmd, name):
    """ Return access level required for this API call """
    if cmd in _api_table:
        return _api_table[cmd][1]
    if name == "queue" and cmd in _api_queue_table:
        return _api_queue_table[cmd][1]
    if name == "config" and cmd in _api_config_table:
        return _api_config_table[cmd][1]
    return 4


def report(output, error=None, keyword="value", data=None):
    """ Report message in json, xml or plain text
        If error is set, only an status/error report is made.
        If no error and no data, only a status report is made.
        Else, a data report is made (optional 'keyword' for outer XML section).
    """
    if output == "json":
        content = "application/json;charset=UTF-8"
        if error:
            info = {"status": False, "error": error}
        elif data is None:
            info = {"status": True}
        else:
            if hasattr(data, "__iter__") and not keyword:
                info = data
            else:
                info = {keyword: data}
        response = json.dumps(info).encode("utf-8")

    elif output == "xml":
        if not keyword:
            # xml always needs an outer keyword, even when json doesn't
            keyword = "result"
        content = "text/xml"
        xmlmaker = xml_factory()
        if error:
            status_str = xmlmaker.run("result", {"status": False, "error": error})
        elif data is None:
            status_str = xmlmaker.run("result", {"status": True})
        else:
            status_str = xmlmaker.run(keyword, data)
        response = '<?xml version="1.0" encoding="UTF-8" ?>\n%s\n' % status_str

    else:
        content = "text/plain"
        if error:
            response = "error: %s\n" % error
        elif not data:
            response = "ok\n"
        else:
            response = "%s\n" % str(data)

    cherrypy.response.headers["Content-Type"] = content
    cherrypy.response.headers["Pragma"] = "no-cache"
    return response


class xml_factory:
    """ Recursive xml string maker. Feed it a mixed tuple/dict/item object and will output into an xml string
        Current limitations:
            In Two tiered lists hard-coded name of "item": <cat_list><item> </item></cat_list>
            In Three tiered lists hard-coded name of "slot": <tier1><slot><tier2> </tier2></slot></tier1>
    """

    def __init__(self):
        self.__text = ""

    def _tuple(self, keyw, lst):
        text = []
        for item in lst:
            text.append(self.run(keyw, item))
        return "".join(text)

    def _dict(self, keyw, lst):
        text = []
        for key in lst.keys():
            text.append(self.run(key, lst[key]))
        if keyw:
            return "<%s>%s</%s>\n" % (keyw, "".join(text), keyw)
        else:
            return ""

    def _list(self, keyw, lst):
        text = []
        for cat in lst:
            if isinstance(cat, dict):
                text.append(self._dict(plural_to_single(keyw, "slot"), cat))
            elif isinstance(cat, list):
                text.append(self._list(plural_to_single(keyw, "list"), cat))
            elif isinstance(cat, tuple):
                text.append(self._tuple(plural_to_single(keyw, "tuple"), cat))
            else:
                if not isinstance(cat, str):
                    cat = str(cat)
                name = plural_to_single(keyw, "item")
                text.append("<%s>%s</%s>\n" % (name, xml_name(cat), name))
        if keyw:
            return "<%s>%s</%s>\n" % (keyw, "".join(text), keyw)
        else:
            return ""

    def run(self, keyw, lst):
        if isinstance(lst, dict):
            text = self._dict(keyw, lst)
        elif isinstance(lst, list):
            text = self._list(keyw, lst)
        elif isinstance(lst, tuple):
            text = self._tuple(keyw, lst)
        elif keyw:
            text = "<%s>%s</%s>\n" % (keyw, xml_name(lst), keyw)
        else:
            text = ""
        return text


def handle_server_api(output, kwargs):
    """ Special handler for API-call 'set_config' [servers] """
    name = kwargs.get("keyword")
    if not name:
        name = kwargs.get("name")

    if name:
        server = config.get_config("servers", name)
        if server:
            server.set_dict(kwargs)
            old_name = name
        else:
            config.ConfigServer(name, kwargs)
            old_name = None
        Downloader.do.update_server(old_name, name)
    return name


def handle_rss_api(output, kwargs):
    """ Special handler for API-call 'set_config' [rss] """
    name = kwargs.get("keyword")
    if not name:
        name = kwargs.get("name")
    if not name:
        return None

    feed = config.get_config("rss", name)
    if feed:
        feed.set_dict(kwargs)
    else:
        config.ConfigRSS(name, kwargs)

    action = kwargs.get("filter_action")
    if action in ("add", "update"):
        # Use the general function, but catch the redirect-raise
        try:
            kwargs["feed"] = name
            sabnzbd.interface.ConfigRss("/").internal_upd_rss_filter(**kwargs)
        except cherrypy.HTTPRedirect:
            pass

    elif action == "delete":
        # Use the general function, but catch the redirect-raise
        try:
            kwargs["feed"] = name
            sabnzbd.interface.ConfigRss("/").internal_del_rss_filter(**kwargs)
        except cherrypy.HTTPRedirect:
            pass

    return name


def handle_cat_api(output, kwargs):
    """ Special handler for API-call 'set_config' [categories] """
    name = kwargs.get("keyword")
    if not name:
        name = kwargs.get("name")
    if not name:
        return None

    feed = config.get_config("categories", name)
    if feed:
        feed.set_dict(kwargs)
    else:
        config.ConfigCat(name, kwargs)
    return name


def build_status(skip_dashboard=False, output=None):
    # build up header full of basic information
    info = build_header(trans_functions=not output)

    info["logfile"] = sabnzbd.LOGFILE
    info["weblogfile"] = sabnzbd.WEBLOGFILE
    info["loglevel"] = str(cfg.log_level())
    info["folders"] = NzbQueue.do.scan_jobs(all_jobs=False, action=False)
    info["configfn"] = config.get_filename()

    # Dashboard: Speed of System
    info["cpumodel"] = getcpu()
    info["pystone"] = sabnzbd.PYSTONE_SCORE

    # Dashboard: Speed of Download directory:
    info["downloaddir"] = cfg.download_dir.get_clipped_path()
    info["downloaddirspeed"] = sabnzbd.DOWNLOAD_DIR_SPEED

    # Dashboard: Speed of Complete directory:
    info["completedir"] = cfg.complete_dir.get_clipped_path()
    info["completedirspeed"] = sabnzbd.COMPLETE_DIR_SPEED

    # Dashboard: Measured download-speed
    info["internetbandwidth"] = sabnzbd.INTERNET_BANDWIDTH

    # Dashboard: Connection information
    if not int_conv(skip_dashboard):
        info["localipv4"] = localipv4()
        info["publicipv4"] = publicipv4()
        info["ipv6"] = ipv6()
        # Dashboard: DNS-check
        try:
            addresslookup(cfg.selftest_host())
            info["dnslookup"] = "OK"
        except:
            info["dnslookup"] = None

    info["servers"] = []
    servers = sorted(Downloader.do.servers[:], key=lambda svr: "%02d%s" % (svr.priority, svr.displayname.lower()))
    for server in servers:
        serverconnections = []
        connected = 0

        for nw in server.idle_threads[:]:
            if nw.connected:
                connected += 1

        for nw in server.busy_threads[:]:
            article = nw.article
            art_name = ""
            nzf_name = ""
            nzo_name = ""

            if article:
                nzf = article.nzf
                nzo = nzf.nzo

                art_name = article.article
                # filename field is not always present
                try:
                    nzf_name = nzf.filename
                except:  # attribute error
                    nzf_name = nzf.subject
                nzo_name = nzo.final_name

            # For the templates or for JSON
            if output:
                thread_info = {"thrdnum": nw.thrdnum, "art_name": art_name, "nzf_name": nzf_name, "nzo_name": nzo_name}
                serverconnections.append(thread_info)
            else:
                serverconnections.append((nw.thrdnum, art_name, nzf_name, nzo_name))

            if nw.connected:
                connected += 1

        if server.warning and not (connected or server.errormsg):
            connected = server.warning

        if server.request and not server.info:
            connected = T("&nbsp;Resolving address").replace("&nbsp;", "")

        # For the templates or for JSON
        if output:
            server_info = {
                "servername": server.displayname,
                "serveractiveconn": connected,
                "servertotalconn": server.threads,
                "serverconnections": serverconnections,
                "serverssl": server.ssl,
                "serversslinfo": server.ssl_info,
                "serveractive": server.active,
                "servererror": server.errormsg,
                "serverpriority": server.priority,
                "serveroptional": server.optional,
            }
            info["servers"].append(server_info)
        else:
            info["servers"].append(
                (
                    server.displayname,
                    "",
                    connected,
                    serverconnections,
                    server.ssl,
                    server.active,
                    server.errormsg,
                    server.priority,
                    server.optional,
                )
            )

    info["warnings"] = sabnzbd.GUIHANDLER.content()

    return info


def build_queue(start=0, limit=0, trans=False, output=None, search=None):
    # build up header full of basic information
    info, pnfo_list, bytespersec, q_size, bytes_left_previous_page = build_queue_header(
        search=search, start=start, limit=limit, output=output
    )

    datestart = datetime.datetime.now()
    priorities = {
        TOP_PRIORITY: "Force",
        REPAIR_PRIORITY: "Repair",
        HIGH_PRIORITY: "High",
        NORMAL_PRIORITY: "Normal",
        LOW_PRIORITY: "Low",
    }
    limit = int_conv(limit)
    start = int_conv(start)

    info["refresh_rate"] = str(cfg.refresh_rate()) if cfg.refresh_rate() > 0 else ""
    info["scripts"] = list_scripts()
    info["categories"] = list_cats(output is None)
    info["rating_enable"] = bool(cfg.rating_enable())
    info["noofslots"] = q_size
    info["start"] = start
    info["limit"] = limit
    info["finish"] = info["start"] + info["limit"]

    n = start
    running_bytes = bytes_left_previous_page
    slotinfo = []
    for pnfo in pnfo_list:
        nzo_id = pnfo.nzo_id
        bytesleft = pnfo.bytes_left
        bytes_total = pnfo.bytes
        average_date = pnfo.avg_date
        is_propagating = (pnfo.avg_stamp + float(cfg.propagation_delay() * 60)) > time.time()
        status = pnfo.status
        priority = pnfo.priority
        mbleft = bytesleft / MEBI
        mb = bytes_total / MEBI

        slot = {}
        slot["index"] = n
        slot["nzo_id"] = str(nzo_id)
        slot["unpackopts"] = str(opts_to_pp(pnfo.repair, pnfo.unpack, pnfo.delete))
        slot["priority"] = priorities[priority] if priority >= LOW_PRIORITY else priorities[NORMAL_PRIORITY]
        slot["script"] = pnfo.script if pnfo.script else "None"
        slot["filename"] = pnfo.filename
        slot["labels"] = pnfo.labels
        slot["password"] = pnfo.password if pnfo.password else ""
        slot["cat"] = pnfo.category if pnfo.category else "None"
        slot["mbleft"] = "%.2f" % mbleft
        slot["mb"] = "%.2f" % mb
        slot["size"] = format_bytes(bytes_total)
        slot["sizeleft"] = format_bytes(bytesleft)
        slot["percentage"] = "%s" % (int(((mb - mbleft) / mb) * 100)) if mb != mbleft else "0"
        slot["mbmissing"] = "%.2f" % (pnfo.bytes_missing / MEBI)
        slot["direct_unpack"] = pnfo.direct_unpack
        if not output:
            slot["mb_fmt"] = locale.format_string("%d", int(mb), True)
            slot["mbdone_fmt"] = locale.format_string("%d", int(mb - mbleft), True)

        if not Downloader.do.paused and status not in (Status.PAUSED, Status.FETCHING, Status.GRABBING):
            if is_propagating:
                slot["status"] = Status.PROP
            elif status == Status.CHECKING:
                slot["status"] = Status.CHECKING
            else:
                slot["status"] = Status.DOWNLOADING
        else:
            # Ensure compatibility of API status
            if status == Status.DELETED or priority == TOP_PRIORITY:
                status = Status.DOWNLOADING
            slot["status"] = "%s" % status

        if (
            Downloader.do.paused
            or Downloader.do.postproc
            or is_propagating
            or status not in (Status.DOWNLOADING, Status.FETCHING, Status.QUEUED)
        ) and priority != TOP_PRIORITY:
            slot["timeleft"] = "0:00:00"
            slot["eta"] = "unknown"
        else:
            running_bytes += bytesleft
            slot["timeleft"] = calc_timeleft(running_bytes, bytespersec)
            try:
                datestart = datestart + datetime.timedelta(seconds=bytesleft / bytespersec)
                # new eta format: 16:00 Fri 07 Feb
                slot["eta"] = datestart.strftime(time_format("%H:%M %a %d %b"))
            except:
                datestart = datetime.datetime.now()
                slot["eta"] = "unknown"

        # Do not show age when it's not known
        if average_date.year < 2000:
            slot["avg_age"] = "-"
        else:
            slot["avg_age"] = calc_age(average_date, bool(trans))

        rating = Rating.do.get_rating_by_nzo(nzo_id)
        slot["has_rating"] = rating is not None
        if rating:
            slot["rating_avg_video"] = rating.avg_video
            slot["rating_avg_audio"] = rating.avg_audio

        slotinfo.append(slot)
        n += 1

    if slotinfo:
        info["slots"] = slotinfo
    else:
        info["slots"] = []

    return info, pnfo_list, bytespersec


def fast_queue():
    """ Return paused, bytes_left, bpsnow, time_left """
    bytes_left = NzbQueue.do.remaining()
    paused = Downloader.do.paused
    bpsnow = BPSMeter.do.bps
    time_left = calc_timeleft(bytes_left, bpsnow)
    return paused, bytes_left, bpsnow, time_left


def build_file_list(nzo_id):
    """ Build file lists for specified job
    """
    jobs = []
    nzo = NzbQueue.do.get_nzo(nzo_id)
    if nzo:
        pnfo = nzo.gather_info(full=True)

        finished_files = pnfo.finished_files
        active_files = pnfo.active_files
        queued_files = pnfo.queued_files

        for nzf in finished_files:
            jobs.append(
                {
                    "filename": nzf.filename if nzf.filename else nzf.subject,
                    "mbleft": "%.2f" % (nzf.bytes_left / MEBI),
                    "mb": "%.2f" % (nzf.bytes / MEBI),
                    "bytes": "%.2f" % nzf.bytes,
                    "age": calc_age(nzf.date),
                    "nzf_id": nzf.nzf_id,
                    "status": "finished",
                }
            )

        for nzf in active_files:
            jobs.append(
                {
                    "filename": nzf.filename if nzf.filename else nzf.subject,
                    "mbleft": "%.2f" % (nzf.bytes_left / MEBI),
                    "mb": "%.2f" % (nzf.bytes / MEBI),
                    "bytes": "%.2f" % nzf.bytes,
                    "age": calc_age(nzf.date),
                    "nzf_id": nzf.nzf_id,
                    "status": "active",
                }
            )

        for nzf in queued_files:
            jobs.append(
                {
                    "filename": nzf.filename if nzf.filename else nzf.subject,
                    "set": nzf.setname,
                    "mbleft": "%.2f" % (nzf.bytes_left / MEBI),
                    "mb": "%.2f" % (nzf.bytes / MEBI),
                    "bytes": "%.2f" % nzf.bytes,
                    "age": calc_age(nzf.date),
                    "nzf_id": nzf.nzf_id,
                    "status": "queued",
                }
            )

    return jobs


def options_list(output):
    return report(
        output,
        keyword="options",
        data={
            "sabyenc": sabnzbd.decoder.SABYENC_ENABLED,
            "par2": sabnzbd.newsunpack.PAR2_COMMAND,
            "multipar": sabnzbd.newsunpack.MULTIPAR_COMMAND,
            "rar": sabnzbd.newsunpack.RAR_COMMAND,
            "zip": sabnzbd.newsunpack.ZIP_COMMAND,
            "7zip": sabnzbd.newsunpack.SEVEN_COMMAND,
            "nice": sabnzbd.newsunpack.NICE_COMMAND,
            "ionice": sabnzbd.newsunpack.IONICE_COMMAND,
        },
    )


def retry_job(job, new_nzb=None, password=None):
    """ Re enter failed job in the download queue """
    if job:
        history_db = sabnzbd.get_db_connection()
        futuretype, url, pp, script, cat = history_db.get_other(job)
        if futuretype:
            nzo_id = sabnzbd.add_url(url, pp, script, cat)
        else:
            path = history_db.get_path(job)
            nzo_id = NzbQueue.do.repair_job(path, new_nzb, password)
        if nzo_id:
            # Only remove from history if we repaired something
            history_db.remove_history(job)
            return nzo_id
    return None


def retry_all_jobs():
    """ Re enter all failed jobs in the download queue """
    # Fetch all retryable folders from History
    items = sabnzbd.api.build_history()[0]
    nzo_ids = []
    for item in items:
        if item["retry"]:
            nzo_ids.append(retry_job(item["nzo_id"]))
    return nzo_ids


def del_job_files(job_paths):
    """ Remove files of each path in the list """
    for path in job_paths:
        if path and clip_path(path).lower().startswith(cfg.download_dir.get_clipped_path().lower()):
            remove_all(path, recursive=True)


def del_hist_job(job, del_files):
    """ Remove history element """
    if job:
        path = PostProcessor.do.get_path(job)
        if path:
            PostProcessor.do.delete(job, del_files=del_files)
        else:
            history_db = sabnzbd.get_db_connection()
            remove_all(history_db.get_path(job), recursive=True)
            history_db.remove_history(job)


def Tspec(txt):
    """ Translate special terms """
    if txt == "None":
        return T("None")
    elif txt in ("Default", "*"):
        return T("Default")
    else:
        return txt


_SKIN_CACHE = {}  # Stores pre-translated acronyms


def Ttemplate(txt):
    """ Translation function for Skin texts
        This special is to be used in interface.py for template processing
        to be passed for the $T function: so { ..., 'T' : Ttemplate, ...}
    """
    global _SKIN_CACHE
    if txt in _SKIN_CACHE:
        return _SKIN_CACHE[txt]
    else:
        # We need to remove the " and ' to be JS/JSON-string-safe
        # Saving it in dictionary is 20x faster on next look-up
        tra = T(SKIN_TEXT.get(txt, txt)).replace('"', "&quot;").replace("'", "&apos;")
        _SKIN_CACHE[txt] = tra
        return tra


def clear_trans_cache():
    """ Clean cache for skin translations """
    global _SKIN_CACHE
    _SKIN_CACHE = {}
    sabnzbd.WEBUI_READY = True


def build_header(webdir="", output=None, trans_functions=True):
    """ Build the basic header """
    try:
        uptime = calc_age(sabnzbd.START)
    except:
        uptime = "-"

    speed_limit = Downloader.do.get_limit()
    if speed_limit <= 0:
        speed_limit = 100
    speed_limit_abs = Downloader.do.get_limit_abs()
    if speed_limit_abs <= 0:
        speed_limit_abs = ""

    diskspace_info = diskspace()

    header = {}

    # We don't output everything for API
    if not output:
        # These are functions, and cause problems for JSON
        if trans_functions:
            header["T"] = Ttemplate
            header["Tspec"] = Tspec

        header["uptime"] = uptime
        header["color_scheme"] = sabnzbd.WEB_COLOR or ""
        header["helpuri"] = "https://sabnzbd.org/wiki/"

        header["restart_req"] = sabnzbd.RESTART_REQ
        header["pid"] = os.getpid()
        header["active_lang"] = cfg.language()

        header["my_lcldata"] = clip_path(sabnzbd.DIR_LCLDATA)
        header["my_home"] = clip_path(sabnzbd.DIR_HOME)
        header["webdir"] = webdir or sabnzbd.WEB_DIR
        header["url_base"] = cfg.url_base()

        header["nt"] = sabnzbd.WIN32
        header["darwin"] = sabnzbd.DARWIN

        header["power_options"] = sabnzbd.WIN32 or sabnzbd.DARWIN or sabnzbd.LINUX_POWER
        header["pp_pause_event"] = sabnzbd.scheduler.pp_pause_event()

        header["apikey"] = cfg.api_key()
        header["new_release"], header["new_rel_url"] = sabnzbd.NEW_VERSION

    header["version"] = sabnzbd.__version__
    header["paused"] = bool(Downloader.do.paused or Downloader.do.postproc)
    header["pause_int"] = scheduler.pause_int()
    header["paused_all"] = sabnzbd.PAUSED_ALL

    header["diskspace1"] = "%.2f" % diskspace_info["download_dir"][1]
    header["diskspace2"] = "%.2f" % diskspace_info["complete_dir"][1]
    header["diskspace1_norm"] = to_units(diskspace_info["download_dir"][1] * GIGI)
    header["diskspace2_norm"] = to_units(diskspace_info["complete_dir"][1] * GIGI)
    header["diskspacetotal1"] = "%.2f" % diskspace_info["download_dir"][0]
    header["diskspacetotal2"] = "%.2f" % diskspace_info["complete_dir"][0]
    header["loadavg"] = loadavg()
    header["speedlimit"] = "{1:0.{0}f}".format(int(speed_limit % 1 > 0), speed_limit)
    header["speedlimit_abs"] = "%s" % speed_limit_abs

    header["have_warnings"] = str(sabnzbd.GUIHANDLER.count())
    header["finishaction"] = sabnzbd.QUEUECOMPLETE

    header["quota"] = to_units(BPSMeter.do.quota)
    header["have_quota"] = bool(BPSMeter.do.quota > 0.0)
    header["left_quota"] = to_units(BPSMeter.do.left)

    anfo = ArticleCache.do.cache_info()
    header["cache_art"] = str(anfo.article_sum)
    header["cache_size"] = format_bytes(anfo.cache_size)
    header["cache_max"] = str(anfo.cache_limit)

    return header


def build_queue_header(search=None, start=0, limit=0, output=None):
    """ Build full queue header """

    header = build_header(output=output)

    bytespersec = BPSMeter.do.bps
    qnfo = NzbQueue.do.queue_info(search=search, start=start, limit=limit)

    bytesleft = qnfo.bytes_left
    bytes_total = qnfo.bytes

    header["kbpersec"] = "%.2f" % (bytespersec / KIBI)
    header["speed"] = to_units(bytespersec)
    header["mbleft"] = "%.2f" % (bytesleft / MEBI)
    header["mb"] = "%.2f" % (bytes_total / MEBI)
    header["sizeleft"] = format_bytes(bytesleft)
    header["size"] = format_bytes(bytes_total)
    header["noofslots_total"] = qnfo.q_fullsize

    if Downloader.do.paused or Downloader.do.postproc:
        status = Status.PAUSED
    elif bytespersec > 0:
        status = Status.DOWNLOADING
    else:
        status = "Idle"
    header["status"] = status
    header["timeleft"] = calc_timeleft(bytesleft, bytespersec)

    try:
        datestart = datetime.datetime.now() + datetime.timedelta(seconds=bytesleft / bytespersec)
        # new eta format: 16:00 Fri 07 Feb
        header["eta"] = datestart.strftime(time_format("%H:%M %a %d %b"))
    except:
        header["eta"] = T("unknown")

    return header, qnfo.list, bytespersec, qnfo.q_fullsize, qnfo.bytes_left_previous_page


def build_history(start=None, limit=None, search=None, failed_only=0, categories=None, output=None):
    limit = int_conv(limit)
    if not limit:
        limit = 1000000
    start = int_conv(start)
    failed_only = int_conv(failed_only)

    def matches_search(text, search_text):
        # Replace * with .* and ' ' with .
        search_text = search_text.strip().replace("*", ".*").replace(" ", ".*") + ".*?"
        try:
            re_search = re.compile(search_text, re.I)
        except:
            logging.error(T("Failed to compile regex for search term: %s"), search_text)
            return False
        return re_search.search(text)

    # Grab any items that are active or queued in postproc
    queue = PostProcessor.do.get_queue()

    # Filter out any items that don't match the search
    if search:
        queue = [nzo for nzo in queue if matches_search(nzo.final_name, search)]

    # Multi-page support for postproc items
    full_queue_size = len(queue)
    if start > full_queue_size:
        # On a page where we shouldn't show postproc items
        queue = []
        h_limit = limit
    else:
        try:
            if limit:
                queue = queue[start : start + limit]
            else:
                queue = queue[start:]
        except:
            pass
        # Remove the amount of postproc items from the db request for history items
        h_limit = max(limit - len(queue), 0)

    h_start = max(start - full_queue_size, 0)

    # Aquire the db instance
    try:
        history_db = sabnzbd.get_db_connection()
        close_db = False
    except:
        # Required for repairs at startup because Cherrypy isn't active yet
        history_db = HistoryDB()
        close_db = True

    # Fetch history items
    if not h_limit:
        items, fetched_items, total_items = history_db.fetch_history(h_start, 1, search, failed_only, categories)
        items = []
    else:
        items, fetched_items, total_items = history_db.fetch_history(h_start, h_limit, search, failed_only, categories)

    # Reverse the queue to add items to the top (faster than insert)
    items.reverse()

    # Add the postproc items to the top of the history
    items = get_active_history(queue, items)

    # Unreverse the queue
    items.reverse()

    for item in items:
        item["size"] = format_bytes(item["bytes"])

        if "loaded" not in item:
            item["loaded"] = False

        path = item.get("path", "")

        item["retry"] = int_conv(item.get("status") == Status.FAILED and path and os.path.exists(path))
        # Retry of failed URL-fetch
        if item["report"] == "future":
            item["retry"] = True

        if Rating.do:
            rating = Rating.do.get_rating_by_nzo(item["nzo_id"])
        else:
            rating = None

        item["has_rating"] = rating is not None
        if rating:
            item["rating_avg_video"] = rating.avg_video
            item["rating_avg_audio"] = rating.avg_audio
            item["rating_avg_vote_up"] = rating.avg_vote_up
            item["rating_avg_vote_down"] = rating.avg_vote_down
            item["rating_user_video"] = rating.user_video
            item["rating_user_audio"] = rating.user_audio
            item["rating_user_vote"] = rating.user_vote

    total_items += full_queue_size
    fetched_items = len(items)

    if close_db:
        history_db.close()

    return items, fetched_items, total_items


def get_active_history(queue=None, items=None):
    """ Get the currently in progress and active history queue. """
    if items is None:
        items = []
    if queue is None:
        queue = PostProcessor.do.get_queue()

    for nzo in queue:
        history = build_history_info(nzo)
        item = {}
        (
            item["completed"],
            item["name"],
            item["nzb_name"],
            item["category"],
            item["pp"],
            item["script"],
            item["report"],
            item["url"],
            item["status"],
            item["nzo_id"],
            item["storage"],
            item["path"],
            item["script_log"],
            item["script_line"],
            item["download_time"],
            item["postproc_time"],
            item["stage_log"],
            item["downloaded"],
            item["completeness"],
            item["fail_message"],
            item["url_info"],
            item["bytes"],
            _,
            _,
            item["password"],
        ) = history
        item["action_line"] = nzo.action_line
        item = unpack_history_info(item)

        item["loaded"] = nzo.pp_active
        if item["bytes"]:
            item["size"] = format_bytes(item["bytes"])
        else:
            item["size"] = ""
        items.append(item)

    return items


def format_bytes(bytes_string):
    b = to_units(bytes_string)
    if b == "":
        return b
    else:
        return b + "B"


def calc_timeleft(bytesleft, bps):
    """ Calculate the time left in the format HH:MM:SS """
    try:
        if bytesleft <= 0:
            return "0:00:00"
        totalseconds = int(bytesleft / bps)
        minutes, seconds = divmod(totalseconds, 60)
        hours, minutes = divmod(minutes, 60)
        days, hours = divmod(hours, 24)
        if minutes < 10:
            minutes = "0%s" % minutes
        if seconds < 10:
            seconds = "0%s" % seconds
        if days > 0:
            if hours < 10:
                hours = "0%s" % hours
            return "%s:%s:%s:%s" % (days, hours, minutes, seconds)
        else:
            return "%s:%s:%s" % (hours, minutes, seconds)
    except:
        return "0:00:00"


def list_scripts(default=False, none=True):
    """ Return a list of script names, optionally with 'Default' added """
    lst = []
    path = cfg.script_dir.get_path()
    if path and os.access(path, os.R_OK):
        for script in globber_full(path):
            if os.path.isfile(script):
                if (
                    (
                        sabnzbd.WIN32
                        and os.path.splitext(script)[1].lower() in PATHEXT
                        and not win32api.GetFileAttributes(script) & win32file.FILE_ATTRIBUTE_HIDDEN
                    )
                    or script.endswith(".py")
                    or (not sabnzbd.WIN32 and userxbit(script) and not os.path.basename(script).startswith("."))
                ):
                    lst.append(os.path.basename(script))
        if none:
            lst.insert(0, "None")
        if default:
            lst.insert(0, "Default")
    return lst


def list_cats(default=True):
    """ Return list of (ordered) categories,
        when default==False use '*' for Default category
    """
    lst = [cat["name"] for cat in config.get_ordered_categories()]
    if default:
        lst.remove("*")
        lst.insert(0, "Default")
    return lst


_PLURAL_TO_SINGLE = {
    "categories": "category",
    "servers": "server",
    "rss": "feed",
    "scripts": "script",
    "warnings": "warning",
    "files": "file",
    "jobs": "job",
}


def plural_to_single(kw, def_kw=""):
    try:
        return _PLURAL_TO_SINGLE[kw]
    except KeyError:
        return def_kw


def del_from_section(kwargs):
    """ Remove keyword in section """
    section = kwargs.get("section", "")
    if section in ("servers", "rss", "categories"):
        keyword = kwargs.get("keyword")
        if keyword:
            item = config.get_config(section, keyword)
            if item:
                item.delete()
                del item
                config.save_config()
                if section == "servers":
                    Downloader.do.update_server(keyword, None)
        return True
    else:
        return False


def history_remove_failed():
    """ Remove all failed jobs from history, including files """
    logging.info("Scheduled removal of all failed jobs")
    history_db = HistoryDB()
    del_job_files(history_db.get_failed_paths())
    history_db.remove_failed()
    history_db.close()


def history_remove_completed():
    """ Remove all completed jobs from history """
    logging.info("Scheduled removal of all completed jobs")
    history_db = HistoryDB()
    history_db.remove_completed()
    history_db.close()
