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

Delegates to VNVAutomationController for the actual workflow.
"""

import logging

logger = logging.getLogger(__name__)


class VNVAutomationMixin:
    """Mixin providing VNV automation methods for InstallModlistScreen."""

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

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

        self._vnv_controller = VNVAutomationController()
        return self._vnv_controller.attempt(
            parent=self,
            modlist_name=modlist_name,
            install_dir=install_dir,
            on_progress=self._safe_append_text,
            on_complete=self._on_vnv_complete,
            begin_feedback=self._begin_post_install_feedback,
            handle_feedback=self._handle_post_install_progress,
        )

    def _on_vnv_complete(self, success: bool, error: str):
        """Handle VNV 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,
                "VNV Automation Failed",
                f"VNV post-install automation encountered an error:\n\n{error}\n\n"
                "You can complete these steps manually by following the guide at:\n"
                "https://vivanewvegas.moddinglinked.com/wabbajack.html"
            )
        elif success:
            self._safe_append_text("VNV 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),
                },
            )