import uuid

from fastapi import APIRouter, Depends, HTTPException
from sqlalchemy import select
from sqlalchemy.ext.asyncio import AsyncSession

from app.auth.users import current_active_user
from app.db import get_async_session
from app.models.character import Character
from app.models.user import User
from app.schemas.character import CharacterRead

router = APIRouter(prefix="/api/characters", tags=["characters"])


@router.get("", response_model=list[CharacterRead])
async def list_my_characters(
    session: AsyncSession = Depends(get_async_session),
    user: User = Depends(current_active_user),
) -> list[Character]:
    characters = (
        await session.execute(
            select(Character)
            .where(Character.owner_id == user.id)
            .order_by(Character.created_at.desc())
        )
    ).scalars().all()
    return list(characters)


@router.get("/{character_id}", response_model=CharacterRead)
async def get_character(
    character_id: uuid.UUID,
    session: AsyncSession = Depends(get_async_session),
    user: User = Depends(current_active_user),
) -> Character:
    character = await session.get(Character, character_id)
    if character is None:
        raise HTTPException(status_code=404, detail="Character not found")
    if character.owner_id != user.id:
        raise HTTPException(status_code=403, detail="Not your character")
    return character