# app/modules/cms/routes/api/admin_media.py
"""
Admin media management endpoints for vendor media libraries.

Allows admins to manage media files on behalf of vendors.
"""

import logging

from fastapi import APIRouter, Depends, File, Query, UploadFile
from sqlalchemy.orm import Session

from app.api.deps import get_current_admin_api
from app.core.database import get_db
from app.modules.cms.services.media_service import media_service
from models.schema.auth import UserContext
from app.modules.cms.schemas.media import (
    MediaDetailResponse,
    MediaItemResponse,
    MediaListResponse,
    MediaUploadResponse,
)

admin_media_router = APIRouter(prefix="/media")
logger = logging.getLogger(__name__)


@admin_media_router.get("/vendors/{vendor_id}", response_model=MediaListResponse)
def get_vendor_media_library(
    vendor_id: int,
    skip: int = Query(0, ge=0),
    limit: int = Query(100, ge=1, le=1000),
    media_type: str | None = Query(None, description="image, video, document"),
    folder: str | None = Query(None, description="Filter by folder"),
    search: str | None = Query(None),
    current_admin: UserContext = Depends(get_current_admin_api),
    db: Session = Depends(get_db),
):
    """
    Get media library for a specific vendor.

    Admin can browse any vendor's media library.
    """
    media_files, total = media_service.get_media_library(
        db=db,
        vendor_id=vendor_id,
        skip=skip,
        limit=limit,
        media_type=media_type,
        folder=folder,
        search=search,
    )

    return MediaListResponse(
        media=[MediaItemResponse.model_validate(m) for m in media_files],
        total=total,
        skip=skip,
        limit=limit,
    )


@admin_media_router.post("/vendors/{vendor_id}/upload", response_model=MediaUploadResponse)
async def upload_vendor_media(
    vendor_id: int,
    file: UploadFile = File(...),
    folder: str | None = Query("products", description="products, general, etc."),
    current_admin: UserContext = Depends(get_current_admin_api),
    db: Session = Depends(get_db),
):
    """
    Upload media file for a specific vendor.

    Admin can upload media on behalf of any vendor.
    Files are stored in vendor-specific directories.
    """
    # Read file content
    file_content = await file.read()

    # Upload using service
    media_file = await media_service.upload_file(
        db=db,
        vendor_id=vendor_id,
        file_content=file_content,
        filename=file.filename or "unnamed",
        folder=folder or "products",
    )

    logger.info(f"Admin uploaded media for vendor {vendor_id}: {media_file.id}")

    return MediaUploadResponse(
        success=True,
        message="File uploaded successfully",
        media=MediaItemResponse.model_validate(media_file),
    )


@admin_media_router.get("/vendors/{vendor_id}/{media_id}", response_model=MediaDetailResponse)
def get_vendor_media_detail(
    vendor_id: int,
    media_id: int,
    current_admin: UserContext = Depends(get_current_admin_api),
    db: Session = Depends(get_db),
):
    """
    Get detailed info about a specific media file.
    """
    media_file = media_service.get_media_by_id(db=db, media_id=media_id)

    # Verify media belongs to the specified vendor
    if media_file.vendor_id != vendor_id:
        from app.modules.cms.exceptions import MediaNotFoundException
        raise MediaNotFoundException(media_id)

    return MediaDetailResponse.model_validate(media_file)


@admin_media_router.delete("/vendors/{vendor_id}/{media_id}")
def delete_vendor_media(
    vendor_id: int,
    media_id: int,
    current_admin: UserContext = Depends(get_current_admin_api),
    db: Session = Depends(get_db),
):
    """
    Delete a media file for a vendor.
    """
    media_file = media_service.get_media_by_id(db=db, media_id=media_id)

    # Verify media belongs to the specified vendor
    if media_file.vendor_id != vendor_id:
        from app.modules.cms.exceptions import MediaNotFoundException
        raise MediaNotFoundException(media_id)

    media_service.delete_media(db=db, media_id=media_id)

    logger.info(f"Admin deleted media {media_id} for vendor {vendor_id}")

    return {"success": True, "message": "Media deleted successfully"}