import logging
from typing import TYPE_CHECKING

from src import domain, dto

if TYPE_CHECKING:
    from .. import Usecase

log = logging.getLogger(__name__)


async def delete_creative(self: 'Usecase', input: dto.DeleteCreativeInput) -> None:
    context = await self.ensure_workspace_permission(
        input.workspace_id, input.user_id, domain.PermissionKey.PROJECTS_WRITE
    )

    creative = await self.database.get_creative(input.workspace_id, input.creative_id)
    if not creative:
        log.warning('User %s attempted to delete unavailable creative %s', input.user_id, input.creative_id)
        raise domain.CreativeNotFound(input.creative_id)

    context.ensure_project_permission(domain.PermissionKey.PROJECTS_WRITE, creative.project_id)

    has_placements = await self.database.has_placements_for_creative(creative.id)
    if has_placements:
        log.warning('Creative %s is used in placements and cannot be deleted', input.creative_id)
        raise domain.CreativeInUse(input.creative_id)

    media_key = creative.media_s3_key
    if media_key:
        try:
            await self.s3.delete(media_key)
            log.info('Deleted creative media from S3: %s', media_key)
        except Exception as e:
            log.warning('Failed to delete creative media from S3: %s', e)

    await self.database.delete_creative(input.creative_id)