#  Copyright 2026 zhaoxi826
#
#  Licensed under the Apache License, Version 2.0 (the "License");
#  you may not use this file except in compliance with the License.
#  You may obtain a copy of the License at
#
#       http://www.apache.org/licenses/LICENSE-2.0

"""Task API：管控节点短任务的查询接口。

task 由 regulatory_node 在完成短任务时内部建立，因此本路由只暴露读取，
不开放对外创建。
"""

from typing import Optional

from fastapi import APIRouter, Depends, HTTPException

from kilostar.utils.access import Accessor, TokenData
from kilostar.utils.ray_hook import ray_actor_hook

task_router = APIRouter(prefix="/api/v1/task", tags=["task"])


@task_router.get("/list")
async def list_tasks(
    status: Optional[str] = None,
    limit: int = 20,
    offset: int = 0,
    token_data: TokenData = Depends(Accessor.get_current_user),
):
    """列出当前用户的所有短任务，按时间倒序。"""
    postgres_database = ray_actor_hook("postgres_database").postgres_database
    tasks = await postgres_database.list_tasks_by_user.remote(
        user_id=token_data.user_id,
        status=status,
        limit=limit,
        offset=offset,
    )
    return {"tasks": tasks, "total": len(tasks)}


@task_router.get("/{task_id}")
async def get_task(
    task_id: str,
    token_data: TokenData = Depends(Accessor.get_current_user),
):
    """按 task_id 读取一条 task 详情。仅 owner 可访问。"""
    postgres_database = ray_actor_hook("postgres_database").postgres_database
    task = await postgres_database.get_task.remote(task_id)
    if not task:
        raise HTTPException(status_code=404, detail="task not found")
    if task.get("user_id") != token_data.user_id:
        raise HTTPException(status_code=403, detail="forbidden")
    return task