"""Generate delivery metadata endpoints."""

from fastapi import APIRouter, Depends, Query, Response

from delivery_metadata.constants import (
    DeliveryType,
    MetadataFormat,
    MetadataFormatVersion,
)
from delivery_metadata.exceptions import (
    InvalidDeliveryFormatVersion,
)
from delivery_metadata.logic import delivery_metadata as delivery_metadata_logic

router = APIRouter(tags=["delivery_metadata"])


def get_delivery_format_version(
    format_: MetadataFormat = Query(..., alias="format"),
    version: str = Query(...),
) -> MetadataFormatVersion:
    delivery_format_versions = MetadataFormatVersion.get_supported_versions(format_)
    if version in delivery_format_versions:
        return MetadataFormatVersion(format_, version)

    raise InvalidDeliveryFormatVersion(
        f"The available versions of format: '{format_.value}' are: {delivery_format_versions}",
    )


@router.get(
    "/products/{upc}/stores/{store_id}/delivery_metadata",
    operation_id="get_delivery_metadata",
)
async def delivery_metadata(
    upc: int,
    store_id: int,
    delivery_type: DeliveryType,
    delivery_format_version: MetadataFormatVersion = Depends(
        get_delivery_format_version
    ),
) -> Response:
    """Generate delivery metadata."""
    return await delivery_metadata_logic.generate(
        upc=upc,
        store_id=store_id,
        delivery_type=delivery_type,
        delivery_format_version=delivery_format_version,
    )