from typing import Annotated, List, Optional
from api.router.user import user_dependency
from api.auth import check_user_authentication
from fastapi import APIRouter, Depends
from db.database import get_db
from sqlalchemy.orm import Session
from db.query.query_user_meta import UserMetaQuery
from db.fetching import DataFetching
from utils.error_handlers import handle_exception


router = APIRouter(tags=["Book_Collection"])
db_dependency = Annotated[Session, Depends(get_db)]


@router.get("/book_collection")
async def get_book_collection(user: user_dependency, db: db_dependency):
    """Fetch user's book collection."""
    auth_response = check_user_authentication(user)
    if auth_response:
        return auth_response

    try:

        fetching = DataFetching(user, db)
        book_collection = fetching.collection_fetching()
        
        return {
            "status": "success",
            "book_collection": book_collection,
        }
    except Exception as e:
        return handle_exception(e)


@router.post("/book_collection")
async def request_book_collection(
    user: user_dependency, db: db_dependency, metadata_ids: List[Optional[int]]
):
    """Insert book collection metadata for a user."""
    auth_response = check_user_authentication(user)
    if auth_response:
        return auth_response

    user_meta_query = UserMetaQuery(user)

    try:
        return user_meta_query.insert_user_meta_entries(db, metadata_ids)

    except Exception as e:
        return handle_exception(e)


@router.put("/book_collection")
async def update_book_collection(
    user: user_dependency, db: db_dependency, metadata_ids: List[Optional[int]]
):
    """Update user's book collection metadata."""
    auth_response = check_user_authentication(user)
    if auth_response:
        return auth_response

    try:
        user_meta_query = UserMetaQuery(user)
        return user_meta_query.update_user_meta_entries(db, metadata_ids)

    except Exception as e:
        return handle_exception(e)


@router.delete("/book_collection/{metadata_id}")
async def delete_book_collection(
    user: user_dependency, db: db_dependency, metadata_id: int
):
    """Delete a specific book collection entry."""
    auth_response = check_user_authentication(user)
    if auth_response:
        return auth_response

    try:
        user_meta_query = UserMetaQuery(user)
        return user_meta_query.delete_user_meta(
            db, metadata_id=metadata_id
        )
    except Exception as e:
        return handle_exception(e)


@router.delete("/all_collections")
async def delete_all_book(user: user_dependency, db: db_dependency):
    """Delete all book collections for the authenticated user."""
    auth_response = check_user_authentication(user)
    if auth_response:
        return auth_response

    try:
        user_meta_query = UserMetaQuery(user)
        user_meta_query.delete_all_user_meta(db)

        return {
            "status": "success",
            "message": f"Deleted book collection for user {user.get('id')}",
        }
    except Exception as e:
        return handle_exception(e)