from typing import List, Optional
from fastapi import APIRouter, Depends, Query
from sqlalchemy.ext.asyncio import AsyncSession
from sqlalchemy import select, desc

from app.core.database import get_db
from app.models.models import EventLog, User
from app.schemas.schemas import EventLogResponse
from app.api.deps import get_current_user

router = APIRouter(prefix="/events", tags=["Audit & Events"])

@router.get("", response_model=List[EventLogResponse])
async def list_events(
    client_id: Optional[int] = None,
    job_id: Optional[int] = None,
    event_type: Optional[str] = None,
    limit: int = Query(50, le=200),
    db: AsyncSession = Depends(get_db),
    current_user: User = Depends(get_current_user)
):
    query = select(EventLog)
    if client_id:
        query = query.where(EventLog.client_id == client_id)
    if job_id:
        query = query.where(EventLog.job_id == job_id)
    if event_type:
        query = query.where(EventLog.event_type == event_type)

    query = query.order_by(desc(EventLog.timestamp)).limit(limit)
    result = await db.execute(query)
    return result.scalars().all()