from __future__ import annotations

from pathlib import Path
from typing import Any

from django.conf import settings
from django.core.management.base import BaseCommand

from pobsync_backend.config_repository import export_runtime_configs


class Command(BaseCommand):
    help = "Export Django database configs to pobsync runtime YAML files."

    def add_arguments(self, parser) -> None:
        parser.add_argument("--prefix", default=settings.POBSYNC_HOME, help="Pobsync home directory")
        parser.add_argument("--host", default=None, help="Export only one enabled host")

    def handle(self, *args: Any, **options: Any) -> None:
        written = export_runtime_configs(prefix=Path(options["prefix"]), host=options["host"])
        for path in written:
            self.stdout.write(str(path))
        self.stdout.write(self.style.SUCCESS(f"Exported {len(written)} config file(s)."))