"""Dashboard router."""
from datetime import datetime, timezone, timedelta

from fastapi import APIRouter, Depends
from sqlalchemy.orm import Session
from sqlalchemy import func

from app.auth import get_current_user, AdminUser
from app.database import get_db
from app.models.db_models import CardLog, SystemSetting
from app.services import airwallex_service

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


@router.get("")
def get_dashboard(
    db: Session = Depends(get_db),
    user: AdminUser = Depends(get_current_user),
):
    """Get dashboard summary data."""
    # Today's card count from local logs
    today_start = datetime.now(timezone.utc).replace(hour=0, minute=0, second=0, microsecond=0)
    today_card_count = (
        db.query(func.count(CardLog.id))
        .filter(CardLog.action == "create_card", CardLog.status == "success", CardLog.created_at >= today_start)
        .scalar()
    ) or 0

    # Daily limit from settings
    limit_setting = db.query(SystemSetting).filter(SystemSetting.key == "daily_card_limit").first()
    daily_card_limit = int(limit_setting.value) if limit_setting else 100

    # Try to get live data from Airwallex
    total_cards = 0
    active_cards = 0
    account_balance = None

    try:
        cards_data = airwallex_service.list_cards(db, page_num=0, page_size=1)
        # We can't get total from a page_size=1 call easily, so we show what we have
        total_cards = cards_data.get("total", 0)
    except Exception:
        pass

    try:
        account_balance = airwallex_service.get_balance(db)
    except Exception:
        pass

    return {
        "total_cards": total_cards,
        "active_cards": active_cards,
        "today_card_count": today_card_count,
        "daily_card_limit": daily_card_limit,
        "account_balance": account_balance,
    }