"""MEW automation methods for InstallModlistScreen (Mixin).

Delegates to MEWAutomationController for the actual workflow.
Mirrors install_modlist_vnv.py.
"""

import logging

logger = logging.getLogger(__name__)


class MEWAutomationMixin:
    """Mixin providing MEW automation methods for InstallModlistScreen."""

    def _check_and_run_mew_automation(self, modlist_name: str, install_dir: str) -> bool:
        """Check if MEW automation should run and start it if applicable.

        Returns:
            True if MEW automation is starting (success dialog should be deferred)
            False if no MEW automation needed (show success dialog immediately)
        """
        from ..services.mew_automation_controller import MEWAutomationController

        _ctx = getattr(self, 'context', None)
        _appid = getattr(self, '_current_appid', None) or (
            _ctx.get('appid') if isinstance(_ctx, dict) else None
        )

        self._mew_controller = MEWAutomationController()
        return self._mew_controller.attempt(
            parent=self,
            modlist_name=modlist_name,
            install_dir=install_dir,
            appid=_appid,
            on_progress=self._safe_append_text,
            on_complete=self._on_mew_complete,
            begin_feedback=self._begin_post_install_feedback,
            handle_feedback=self._handle_post_install_progress,
        )

    def _on_mew_complete(self, success: bool, error: str):
        """Handle MEW automation completion and show deferred success dialog."""
        self._end_post_install_feedback(not bool(error))

        if not success and error:
            from ..services.message_service import MessageService
            MessageService.warning(
                self,
                "MEW Automation Failed",
                f"MEW post-install automation encountered an error:\n\n{error}\n\n"
                "You can complete these steps manually by following the guide at:\n"
                "https://mojaveexpressguide.com/docs/Installation"
            )
        elif success:
            self._safe_append_text("MEW post-install automation completed successfully")

        if hasattr(self, '_pending_success_dialog_params'):
            params = self._pending_success_dialog_params
            del self._pending_success_dialog_params
            self._run_verifier_then_show_success(
                install_dir=params.get('install_dir', ''),
                game_type=params.get('game_type', 'unknown'),
                appid=params.get('appid', ''),
                success_params={
                    'modlist_name': params['modlist_name'],
                    'workflow_type': params.get('workflow_type', 'install'),
                    'time_taken': params['time_taken'],
                    'game_name': params.get('game_name'),
                    'enb_detected': params.get('enb_detected', False),
                },
            )