from django.core.management.base import BaseCommand
from django.conf import settings
from quiz.utils.importer import import_questions


class Command(BaseCommand):
    help = 'Import questions from Markdown files'

    def add_arguments(self, parser):
        parser.add_argument(
            '--folder',
            type=str,
            default='content/Anatomi & Histologi 2/Gamla tentor',
            help='Folder to import questions from (relative to project root)'
        )
        parser.add_argument(
            '--force',
            action='store_true',
            help='Force import even if files have not changed'
        )

    def handle(self, *args, **options):
        import_folder = options['folder']
        folder = settings.BASE_DIR.parent / import_folder

        if not folder.exists():
            self.stdout.write(self.style.ERROR(f'Import folder {folder} does not exist'))
            return

        self.stdout.write(self.style.SUCCESS(f'Importing questions from {folder}...'))

        stats = import_questions(folder, folder, force=options['force'])

        # Only show full statistics if there were changes
        output = stats.format_output(show_if_no_changes=False)
        if output:
            self.stdout.write(output)
            if stats.errors > 0:
                self.stdout.write(self.style.WARNING(f'Completed with {stats.errors} errors'))
            else:
                self.stdout.write(self.style.SUCCESS('Import completed successfully!'))
        else:
            # No changes, show brief message
            self.stdout.write(self.style.SUCCESS(f'✓ All {stats.total_files} files up to date, no changes needed'))