"""Processing task query endpoints."""

from typing import List

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

from database import get_db
from models import ProcessingTask
from schemas import ProcessingTaskOut

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


@router.get("", response_model=List[ProcessingTaskOut], summary="List processing tasks")
def list_tasks(
    project_id: int | None = None,
    status: str | None = None,
    limit: int = 50,
    db: Session = Depends(get_db),
) -> List[ProcessingTask]:
    """Return recent background processing tasks."""
    query = db.query(ProcessingTask)
    if project_id is not None:
        query = query.filter(ProcessingTask.project_id == project_id)
    if status is not None:
        query = query.filter(ProcessingTask.status == status)
    return query.order_by(ProcessingTask.created_at.desc()).limit(limit).all()


@router.get("/{task_id}", response_model=ProcessingTaskOut, summary="Get processing task")
def get_task(task_id: int, db: Session = Depends(get_db)) -> ProcessingTask:
    """Return one background task by id."""
    task = db.query(ProcessingTask).filter(ProcessingTask.id == task_id).first()
    if not task:
        raise HTTPException(status_code=404, detail="Task not found")
    return task