import os
from lutris import settings
from lutris.runners.runner import Runner
from lutris.util import system


class mupen64plus(Runner):
    human_name = "Mupen64Plus"
    description = "Nintendo 64 emulator"
    platforms = ["Nintendo 64"]
    runner_executable = "mupen64plus/mupen64plus"
    game_options = [
        {
            "option": "main_file",
            "type": "file",
            "label": "ROM file",
            "help": "The game data, commonly called a ROM image.",
        }
    ]
    runner_options = [
        {
            "option": "fullscreen",
            "type": "bool",
            "label": "Fullscreen",
            "default": True,
        },
        {"option": "hideosd", "type": "bool", "label": "Hide OSD", "default": True},
    ]

    @property
    def working_dir(self):
        return os.path.join(settings.RUNNER_DIR, "mupen64plus")

    def play(self):
        arguments = [self.get_executable()]
        if self.runner_config.get("hideosd"):
            arguments.append("--noosd")
        else:
            arguments.append("--osd")
        if self.runner_config.get("fullscreen"):
            arguments.append("--fullscreen")
        else:
            arguments.append("--windowed")
        rom = self.game_config.get("main_file") or ""
        if not system.path_exists(rom):
            return {"error": "FILE_NOT_FOUND", "file": rom}
        arguments.append(rom)
        return {"command": arguments}
