<?php

namespace App\Http\Controllers\core;

use App\BaseApp\BaseController;
use App\Service\core\CodeGenerationService;
use App\Service\LoginService;
use Illuminate\Http\JsonResponse;

class CodeGenerationController extends BaseController
{
    //

    public function __construct()
    {
        parent::__construct();
        $this->service = CodeGenerationService::getInstance();
    }

    /**
     * 生成代码
     * @Method POST
     * @return JsonResponse
     * @throws \Exception
     */
    public function generation()
    {
        $this->insertField = [
            'class_name',
            'class_comment',
            'sort',
            'icon',
            'pid',
            'field',
        ];

        $params = $this->checkRequiredFields(request()->post());

        return jok(
            $this->service->generate($params),
            '生成成功！'
        );
    }

    /**
     * 批量生成代码
     * @Method POST
     * @return JsonResponse
     * @throws \Exception
     */
    public function batchGeneration()
    {
        $params = request()->post();
        
        if (!is_array($params) || empty($params)) {
            return jerr('参数错误，需要数组格式！');
        }

        $results = [];
        $errors = [];

        foreach ($params as $index => $item) {
            try {
                // 验证必填字段
                if (empty($item['class_name']) || empty($item['field']) || !is_array($item['field'])) {
                    $errors[] = "模块 " . ($index + 1) . " 参数不完整";
                    continue;
                }

                $result = $this->service->generate($item);
                $results[] = $result;
            } catch (\Exception $e) {
                $errors[] = "模块 " . ($index + 1) . " 生成失败: " . $e->getMessage();
            }
        }

        if (empty($results)) {
            return jerr('批量生成失败：' . implode('; ', $errors));
        }

        if (!empty($errors)) {
            return jok($results, '部分生成成功，共生成 ' . count($results) . ' 个模块。错误：' . implode('; ', $errors));
        }

        return jok($results, '批量生成成功，共生成 ' . count($results) . ' 个模块！');
    }

    public function download()
    {
//        $id = request()->post('id');
        $id = request()->get('id');
        if (!$id) {
            return jerr('参数错误！');
        }
        return $this->service->download($id);
    }

    public function downloadInfo()
    {
//        $id = request()->post('id');
        $id = request()->get('id');
        if (!$id) {
            return jerr('参数错误！');
        }
        return jok(
            $this->service->downloadInfo($id)
        );
    }

    /**
     * 获取数据库表列表
     * @Method GET
     * @return JsonResponse
     */
    public function getTables()
    {
        return jok(
            $this->service->getTableList()
        );
    }

    /**
     * 获取表结构
     * @Method GET
     * @return JsonResponse
     * @throws \Exception
     */
    public function getTableStructure()
    {
        $tableName = request()->get('table_name');
        if (!$tableName) {
            return jerr('表名不能为空！');
        }
        return jok(
            $this->service->getTableColumns($tableName)
        );
    }

    /**
     * 从数据库表生成代码生成数据
     * @Method POST
     * @return JsonResponse
     * @throws \Exception
     */
    public function generateFromTable()
    {
        $tableName = request()->post('table_name');
        $className = request()->post('class_name', '');
        $classComment = request()->post('class_comment', '');
        $icon = request()->post('icon', '');
        $sort = request()->post('sort', 9999);
        $pid = request()->post('pid', 0);

        if (!$tableName) {
            return jerr('表名不能为空！');
        }

        $codeGenData = $this->service->convertTableToCodeGenData($tableName, $className, $classComment, $icon, $sort, $pid);
        
        return jok($codeGenData);
    }

}