"""Finance router — daily revenue vs cost reconciliation."""
from __future__ import annotations

import datetime as _dt
from typing import Any, Optional

from fastapi import APIRouter, Depends, HTTPException, Query
from sqlalchemy.orm import Session

from app.database import get_db
from app.models.upstream import Upstream
from app.models.website import Website
from app.services.finance_service import get_daily_summary, yesterday_shanghai
from app.utils.auth import get_current_user

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


@router.get("/daily-summary")
def daily_summary(
    date: Optional[str] = Query(None, description="YYYY-MM-DD, defaults to yesterday Asia/Shanghai"),
    db: Session = Depends(get_db),
    _: Any = Depends(get_current_user),
) -> dict:
    """Return daily revenue vs cost summary.

    Never raises for individual item failures — each failed website/upstream
    is included in the response with status='failed' and an error message.
    Only raises HTTP errors for bad request parameters.
    """
    if date:
        try:
            target = _dt.date.fromisoformat(date)
        except ValueError:
            raise HTTPException(400, f"Invalid date format: {date!r}. Expected YYYY-MM-DD.")
    else:
        target = yesterday_shanghai()

    websites = db.query(Website).filter(Website.enabled == True).all()
    upstreams = db.query(Upstream).filter(Upstream.enabled == True).all()

    return get_daily_summary(websites, upstreams, target)