import json
import os
import re
from configparser import ConfigParser
from gettext import gettext as _

from lutris import settings
from lutris.services.base import BaseService
from lutris.services.service_game import ServiceGame
from lutris.services.service_media import ServiceMedia
from lutris.util import system
from lutris.util.strings import slugify

SCUMMVM_CONFIG_FILE = os.path.join(os.path.expanduser("~/.config/scummvm"), "scummvm.ini")


# Dummy banner. Maybe the download from lutris should be implemented at this place
class ScummvmBanner(ServiceMedia):
    service = "scummvm"
    source = "local"
    size = (96, 32)
    file_patterns = ["%s.png"]
    dest_path = settings.CACHE_DIR


class ScummvmService(BaseService):
    id = "scummvm"
    icon = "scummvm"
    name = _("ScummVM")
    local = True
    medias = {"icon": ScummvmBanner}

    def load(self):
        if not system.path_exists(SCUMMVM_CONFIG_FILE):
            return

        config = ConfigParser()
        config.read(SCUMMVM_CONFIG_FILE)
        config_sections = config.sections()

        for section in config_sections:
            if section == "scummvm":
                continue
            game = ScummvmGame()
            game.name = config[section]["description"]
            game.slug = slugify(re.split(r" \(.*\)$", game.name)[0])
            game.appid = section
            game.runner = "scummvm"
            game.lutris_slug = game.slug
            game.details = json.dumps({"path": config[section]["path"]})
            game.save()

    def generate_installer(self, db_game):
        details = json.loads(db_game["details"])
        return {
            "name": db_game["name"],
            "version": "ScummVM",
            "slug": db_game["slug"],
            "game_slug": self.get_installed_slug(db_game),
            "runner": self.get_installed_runner_name(db_game),
            "script": {
                "game": {
                    "game_id": db_game["appid"],
                    "path": details["path"],
                }
            },
        }

    def get_installed_slug(self, db_game):
        return db_game.get("lutris_slug") or slugify(db_game["name"])

    def get_installed_runner_name(self, db_game):
        return "scummvm"


class ScummvmGame(ServiceGame):
    service = "scummvm"
    runner = "scummvm"