# app/api/v1/analytics.py
from fastapi import APIRouter, Depends, HTTPException, Query
from sqlalchemy.orm import Session
from typing import Optional

from app.api import deps
from app.services.analytics_service import AnalyticsService
from app.schemas.response import FormAnalyticsResponse

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

@router.get("/forms/{form_id}/report", response_model=FormAnalyticsResponse)
async def get_form_analytics(
    form_id: int,
    db: Session = Depends(deps.get_db),
    days: int = Query(30, ge=1, le=365)
):
    """Получить аналитику по форме"""
    service = AnalyticsService(db)
    try:
        report = service.get_form_report(form_id, days)
        return report
    except ValueError as e:
        raise HTTPException(status_code=404, detail=str(e))

@router.get("/forms/{form_id}/fields/{field_name}/stats")
async def get_field_statistics(
    form_id: int,
    field_name: str,
    db: Session = Depends(deps.get_db)
):
    """Получить статистику по полю формы"""
    service = AnalyticsService(db)
    stats = service.get_field_statistics(form_id, field_name)
    if stats is None:
        raise HTTPException(status_code=404, detail="Form or field not found")
    return stats

@router.get("/dashboard/overview")
async def get_dashboard_overview(
    db: Session = Depends(deps.get_db),
    days: int = Query(30, ge=1, le=365)
):
    """Получить общую статистику по всем формам"""
    service = AnalyticsService(db)
    return service.get_global_overview(days)