# steam_parser.py
#
# Copyright 2022 kramo
#
# 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 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
# SPDX-License-Identifier: GPL-3.0-or-later

import json
import os
import re
import time

from gi.repository import Gio, GLib, Gtk, Adw

from .create_dialog import create_dialog
from .save_cover import save_cover
from .save_games import save_games


def steam_parser(parent_widget, action):
    schema = parent_widget.schema
    steam_dir = os.path.expanduser(schema.get_string("steam-location"))

    def steam_not_found():
        if os.path.exists(
            os.path.expanduser("~/.var/app/com.valvesoftware.Steam/data/Steam/")
        ):
            schema.set_string(
                "steam-location", "~/.var/app/com.valvesoftware.Steam/data/Steam/"
            )
            action(None, None)
        elif os.path.exists(os.path.expanduser("~/.steam/steam/")):
            schema.set_string("steam-location", "~/.steam/steam/")
            action(None, None)
        else:
            filechooser = Gtk.FileDialog.new()

            def set_steam_dir(_source, result, _unused):
                try:
                    schema.set_string(
                        "steam-location",
                        filechooser.select_folder_finish(result).get_path(),
                    )
                    action(None, None)
                except GLib.GError:
                    return

            def choose_folder(_widget):
                filechooser.select_folder(parent_widget, None, set_steam_dir, None)

            def response(widget, response):
                if response == "choose_folder":
                    choose_folder(widget)

            create_dialog(
                parent_widget,
                _("Couldn't Import Games"),
                _("The Steam directory cannot be found."),
                "choose_folder",
                _("Set Steam Location"),
            ).connect("response", response)

    if os.path.exists(os.path.join(steam_dir, "steamapps")):
        pass
    elif os.path.exists(os.path.join(steam_dir, "steam", "steamapps")):
        schema.set_string("steam-location", os.path.join(steam_dir, "steam"))
    elif os.path.exists(os.path.join(steam_dir, "Steam", "steamapps")):
        schema.set_string("steam-location", os.path.join(steam_dir, "Steam"))
    else:
        steam_not_found()
        return {}

    steam_dir = os.path.expanduser(schema.get_string("steam-location"))

    appmanifests = []
    datatypes = ["appid", "name"]
    steam_games = {}
    current_time = int(time.time())

    for open_file in os.listdir(os.path.join(steam_dir, "steamapps")):
        path = os.path.join(steam_dir, "steamapps", open_file)
        if os.path.isfile(path) and "appmanifest" in open_file:
            appmanifests.append(path)

    import_statuspage = Adw.StatusPage(
        title=_("Importing Games..."),
        description=_("Talking to Steam"),
    )

    import_dialog = Adw.Window(
        content=import_statuspage,
        modal=True,
        default_width=350,
        default_height=200,
        transient_for=parent_widget,
        deletable=False,
    )

    queue = []
    cancellables = []

    for appmanifest in appmanifests:
        values = {}
        with open(appmanifest, "r") as open_file:
            data = open_file.read()
            open_file.close()
        for datatype in datatypes:
            value = re.findall('"' + datatype + '"\t\t"(.*)"\n', data)
            values[datatype] = value[0]

        values["game_id"] = "steam_" + values["appid"]

        if (
            values["game_id"] in parent_widget.games
            and not parent_widget.games[values["game_id"]].removed
        ):
            continue

        values["executable"] = "xdg-open steam://rungameid/" + values["appid"]
        values["hidden"] = False
        values["source"] = "steam"
        values["added"] = current_time
        values["last_played"] = 0

        def steam_api_callback(current_file, result, values):
            try:
                _success, content, _etag = current_file.load_contents_finish(result)
                basic_data = json.loads(content)[values["appid"]]

                if not basic_data["success"]:
                    steam_games[values["game_id"]]["blacklisted"] = True
                else:
                    data = basic_data["data"]
                    steam_games[values["game_id"]]["developer"] = ", ".join(
                        data["developers"]
                    )

                    if data["type"] != "game":
                        steam_games[values["game_id"]]["blacklisted"] = True

            except GLib.GError:
                pass

            queue.remove(values["appid"])
            if not queue:
                import_dialog.close()

                games_no = len(
                    {
                        game_id: final_values
                        for game_id, final_values in steam_games.items()
                        if "blacklisted" not in final_values.keys()
                    }
                )

                if games_no == 1:
                    create_dialog(
                        parent_widget,
                        _("Steam Games Imported"),
                        _("Successfully imported 1 game."),
                    )
                elif games_no > 1:
                    create_dialog(
                        parent_widget,
                        _("Steam Games Imported"),
                        _("Successfully imported")
                        + " "
                        + str(games_no)
                        + " "
                        + _("games."),
                    )
                save_games(steam_games)
                parent_widget.update_games(steam_games.keys())

        open_file = Gio.File.new_for_uri(
            "https://store.steampowered.com/api/appdetails?appids=" + values["appid"]
        )

        if not import_dialog.is_visible():
            import_dialog.show()

        queue.append(values["appid"])

        cancellables.append(Gio.Cancellable())
        open_file.load_contents_async(cancellables[-1], steam_api_callback, values)

        GLib.timeout_add_seconds(10, timeout, cancellables[-1])

        if os.path.isfile(
            os.path.join(
                steam_dir,
                "appcache",
                "librarycache",
                values["appid"] + "_library_600x900.jpg",
            )
        ):
            save_cover(
                values,
                parent_widget,
                os.path.join(
                    steam_dir,
                    "appcache",
                    "librarycache",
                    values["appid"] + "_library_600x900.jpg",
                ),
            )

        steam_games[values["game_id"]] = values

    if not steam_games:
        create_dialog(
            parent_widget,
            _("No Games Found"),
            _("No new games were found in the Steam library."),
        )


def timeout(cancellable):
    cancellable.cancel()
    return False