<?php

namespace App\Http\Controllers;

use App\Constants\HttpStatus;
use App\Models\Agent\Agent;
use Closure;
use Illuminate\Http\JsonResponse;
use Illuminate\Validation\ValidationException;
use Illuminate\Database\Eloquent\ModelNotFoundException;

abstract class AgentApiController extends Controller
{
    protected function execute(Closure $callback): JsonResponse
    {
        try {
            return $this->success($callback());
        } catch (ValidationException $e) {
            return $this->error(HttpStatus::CUSTOM_ERROR, $e->validator->errors()->first());
        } catch (ModelNotFoundException $e) {
            return $this->error(HttpStatus::CUSTOM_ERROR, '数据不存在');
        } catch (\PDOException $e) {
            // QueryException inherits PDOException/RuntimeException; never expose SQL or bindings.
            report($e);
            return $this->error(HttpStatus::CUSTOM_ERROR, '系统处理失败，请稍后重试');
        } catch (\InvalidArgumentException | \RuntimeException $e) {
            return $this->error(HttpStatus::CUSTOM_ERROR, $e->getMessage());
        } catch (\Throwable $e) {
            report($e);
            return $this->error(HttpStatus::CUSTOM_ERROR, '系统处理失败，请稍后重试');
        }
    }

    /** 下载类接口：成功时直接返回文件响应，出错时和 execute() 一样返回 JSON 错误。 */
    protected function executeFile(Closure $callback): \Symfony\Component\HttpFoundation\Response
    {
        $file = null;
        $error = $this->execute(function () use ($callback, &$file) {
            $file = $callback();
            return null;
        });
        return $file ?? $error;
    }

    protected function currentAgent(): Agent
    {
        $agent = request()->attributes->get('agent');
        if (!$agent instanceof Agent) {
            throw new \RuntimeException('请先登录');
        }
        return $agent;
    }
}