import os
import platform
from logging import getLogger

from PyQt5.QtCore import QStandardPaths, QObject, pyqtSignal
from legendary.core import LegendaryCore

from rare.lgndr.cli import LegendaryCLI
from rare.lgndr.glue.arguments import LgndrUninstallGameArgs
from rare.lgndr.glue.monkeys import LgndrIndirectStatus
from rare.models.game import RareGame
from rare.models.install import UninstallOptionsModel
from rare.utils import config_helper
from .worker import Worker

logger = getLogger("UninstallWorker")


def uninstall_game(core: LegendaryCore, app_name: str, keep_files=False, keep_config=False):
    igame = core.get_installed_game(app_name)

    # remove shortcuts link
    desktop = QStandardPaths.writableLocation(QStandardPaths.DesktopLocation)
    applications = QStandardPaths.writableLocation(QStandardPaths.ApplicationsLocation)
    if platform.system() == "Linux":
        desktop_shortcut = os.path.join(desktop, f"{igame.title}.desktop")
        if os.path.exists(desktop_shortcut):
            os.remove(desktop_shortcut)

        applications_shortcut = os.path.join(applications, f"{igame.title}.desktop")
        if os.path.exists(applications_shortcut):
            os.remove(applications_shortcut)

    elif platform.system() == "Windows":
        game_title = igame.title.split(":")[0]
        desktop_shortcut = os.path.join(desktop, f"{game_title}.lnk")
        if os.path.exists(desktop_shortcut):
            os.remove(desktop_shortcut)

        start_menu_shortcut = os.path.join(applications, "..", f"{game_title}.lnk")
        if os.path.exists(start_menu_shortcut):
            os.remove(start_menu_shortcut)

    status = LgndrIndirectStatus()
    LegendaryCLI(core).uninstall_game(
        LgndrUninstallGameArgs(
            app_name=app_name,
            keep_files=keep_files,
            indirect_status=status,
            yes=True,
        )
    )
    if not keep_config:
        logger.info("Removing sections in config file")
        config_helper.remove_section(app_name)
        config_helper.remove_section(f"{app_name}.env")

        config_helper.save_config()

    return status.success, status.message


class UninstallWorker(Worker):
    class Signals(QObject):
        result = pyqtSignal(RareGame, bool, str)

    def __init__(self, core: LegendaryCore, rgame: RareGame, options: UninstallOptionsModel):
        super(UninstallWorker, self).__init__()
        self.signals = UninstallWorker.Signals()
        self.core = core
        self.rgame = rgame
        self.options = options

    def run_real(self) -> None:
        self.rgame.state = RareGame.State.UNINSTALLING
        success, message = uninstall_game(
            self.core, self.rgame.app_name, self.options.keep_files, self.options.keep_config
        )
        self.rgame.state = RareGame.State.IDLE
        self.signals.result.emit(self.rgame, success, message)