#!/usr/bin/env python3
#
# install.py - part of the FDroid server tools
# Copyright (C) 2013, Ciaran Gultnieks, ciaran@ciarang.com
# Copyright (C) 2013-2014 Daniel Martí <mvdan@mvdan.cc>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

import sys
import os
import glob
from argparse import ArgumentParser
import logging

from . import _
from . import common
from .common import SdkToolsPopen
from .exception import FDroidException

options = None
config = None


def devices():
    p = SdkToolsPopen(['adb', "devices"])
    if p.returncode != 0:
        raise FDroidException("An error occured when finding devices: %s" % p.output)
    lines = [line for line in p.output.splitlines() if not line.startswith('* ')]
    if len(lines) < 3:
        return []
    lines = lines[1:-1]
    return [line.split()[0] for line in lines]


def main():

    global options, config

    # Parse command line...
    parser = ArgumentParser(usage="%(prog)s [options] [APPID[:VERCODE] [APPID[:VERCODE] ...]]")
    common.setup_global_opts(parser)
    parser.add_argument("appid", nargs='*', help=_("application ID with optional versionCode in the form APPID[:VERCODE]"))
    parser.add_argument("-a", "--all", action="store_true", default=False,
                        help=_("Install all signed applications available"))
    options = parser.parse_args()

    if not options.appid and not options.all:
        parser.error(_("option %s: If you really want to install all the signed apps, use --all") % "all")

    config = common.read_config(options)

    output_dir = 'repo'
    if not os.path.isdir(output_dir):
        logging.info(_("No signed output directory - nothing to do"))
        sys.exit(0)

    if options.appid:

        vercodes = common.read_pkg_args(options.appid, True)
        common.get_metadata_files(vercodes)     # only check appids
        apks = {appid: None for appid in vercodes}

        # Get the signed APK with the highest vercode
        for apkfile in sorted(glob.glob(os.path.join(output_dir, '*.apk'))):

            try:
                appid, vercode = common.publishednameinfo(apkfile)
            except FDroidException:
                continue
            if appid not in apks:
                continue
            if vercodes[appid] and vercode not in vercodes[appid]:
                continue
            apks[appid] = apkfile

        for appid, apk in apks.items():
            if not apk:
                raise FDroidException(_("No signed APK available for %s") % appid)

    else:

        apks = {common.publishednameinfo(apkfile)[0]: apkfile for apkfile in
                sorted(glob.glob(os.path.join(output_dir, '*.apk')))}

    for appid, apk in apks.items():
        # Get device list each time to avoid device not found errors
        devs = devices()
        if not devs:
            raise FDroidException(_("No attached devices found"))
        logging.info(_("Installing %s...") % apk)
        for dev in devs:
            logging.info(_("Installing '{apkfilename}' on {dev}...").format(apkfilename=apk, dev=dev))
            p = SdkToolsPopen(['adb', "-s", dev, "install", apk])
            fail = ""
            for line in p.output.splitlines():
                if line.startswith("Failure"):
                    fail = line[9:-1]
            if not fail:
                continue

            if fail == "INSTALL_FAILED_ALREADY_EXISTS":
                logging.warning(_('"{apkfilename}" is already installed on {dev}.')
                                .format(apkfilename=apk, dev=dev))
            else:
                raise FDroidException(_("Failed to install '{apkfilename}' on {dev}: {error}")
                                      .format(apkfilename=apk, dev=dev, error=fail))

    logging.info('\n' + _('Finished'))


if __name__ == "__main__":
    main()