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

from app.dependencies import get_db, get_current_user
from app.models.user import User
from app.models.recharge_package import RechargePackage

router = APIRouter(tags=["recharge-packages"])


def _to_out(pkg: RechargePackage) -> dict:
    return {
        "id": pkg.id,
        "name": pkg.name,
        "credits": round(pkg.credits, 2),
        "price": round(pkg.price, 2),
        "bonus_credits": round(pkg.bonus_credits, 2),
        "total_credits": round(pkg.credits + pkg.bonus_credits, 2),
        "description": pkg.description,
        "package_type": pkg.package_type,
        "is_gift": pkg.is_gift,
        "is_active": pkg.is_active,
        "sort_order": pkg.sort_order,
    }


@router.get("/recharge-packages")
async def list_active_packages(
    current_user: User = Depends(get_current_user),
    db: AsyncSession = Depends(get_db),
):
    """Public: list active recharge packages."""
    result = await db.execute(
        select(RechargePackage)
        .where(RechargePackage.is_active == True)
        .order_by(RechargePackage.sort_order)
    )
    return [_to_out(p) for p in result.scalars().all()]