import uuid
from datetime import date
from typing import Optional
from fastapi import APIRouter, Depends, Query
from sqlalchemy.ext.asyncio import AsyncSession
from app.database import get_db
from app.middleware.auth import get_current_user
from app.services.dashboard import get_dashboard_stats, get_reporting_progress, get_weekly_report
from app.services.light_board import get_light_board

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


@router.get("/stats")
async def dashboard_stats(
    reference_date: Optional[str] = Query(None),
    current_user: dict = Depends(get_current_user),
    db: AsyncSession = Depends(get_db),
):
    """Get dashboard card statistics. Pass reference_date (YYYY-MM-DD) for historical weeks."""
    ref = date.fromisoformat(reference_date) if reference_date else None
    stats = await get_dashboard_stats(db, ref)
    return stats


@router.get("/progress")
async def reporting_progress(
    reference_date: Optional[str] = Query(None),
    current_user: dict = Depends(get_current_user),
    db: AsyncSession = Depends(get_db),
):
    """Get per-manager reporting progress. Managers only see themselves."""
    ref = date.fromisoformat(reference_date) if reference_date else None
    return await get_reporting_progress(db, ref, current_user["user_id"], current_user["role"])


@router.get("/weekly-report")
async def weekly_report(
    manager_id: Optional[str] = Query(None),
    customer_id: Optional[str] = Query(None),
    reference_date: Optional[str] = Query(None),
    current_user: dict = Depends(get_current_user),
    db: AsyncSession = Depends(get_db),
):
    """Get full weekly report data. Pass reference_date for historical weeks."""
    ref = date.fromisoformat(reference_date) if reference_date else None
    return await get_weekly_report(
        db=db,
        user_id=uuid.UUID(current_user["user_id"]),
        role=current_user["role"],
        filter_manager_id=uuid.UUID(manager_id) if manager_id else None,
        filter_customer_id=uuid.UUID(customer_id) if customer_id else None,
        reference_date=ref,
    )


@router.get("/light-board")
async def light_board(
    reference_date: Optional[str] = Query(None),
    current_user: dict = Depends(get_current_user),
    db: AsyncSession = Depends(get_db),
):
    """Get customer visit coverage matrix. Managers see only themselves."""
    ref = date.fromisoformat(reference_date) if reference_date else None
    return await get_light_board(db, ref, uuid.UUID(current_user["user_id"]), current_user["role"])