"""
任务实例API模块
提供任务实例的增删改查接口
"""
from typing import Dict, Any, List, Optional
from fastapi import APIRouter, HTTPException, Query
from pydantic import BaseModel, Field
from services.task_instance_service import TaskInstanceService
from api.models import (
    ApiResponse, TaskInstanceCreateInput, TaskInstanceUpdateInput,
    TaskInputParamItem, TaskInputParamsInput, TaskInstanceStatus
)

# 创建路由器
router = APIRouter(prefix="/task-instances", tags=["任务实例"])

# 创建服务实例
task_instance_service = TaskInstanceService()

# API接口
@router.post("/create", response_model=ApiResponse)
async def create_task_instance(instance_input: TaskInstanceCreateInput):
    """创建任务实例"""
    try:
        # 创建任务实例
        instance = task_instance_service.create_instance(
            task_id=instance_input.task_id,
            name=instance_input.name,
            variables=instance_input.variables,
            priority=instance_input.priority,
            input_params=instance_input.input_params,
            block_outputs=instance_input.block_outputs,
            context_params=instance_input.context_params
        )
        
        return {
            "code": 200,
            "message": "创建任务实例成功",
            "data": instance
        }
    except ValueError as e:
        return {
            "code": 400,
            "message": str(e),
            "data": None
        }
    except Exception as e:
        raise HTTPException(status_code=500, detail=f"创建任务实例失败: {str(e)}")