<?php
// +----------------------------------------------------------------------
// | Niucloud-admin 企业快速开发的多应用管理平台
// +----------------------------------------------------------------------
// | 官方网址：https://www.niucloud.com
// +----------------------------------------------------------------------
// | niucloud团队 版权所有 开源版本可自由商用
// +----------------------------------------------------------------------
// | Author: Niucloud Team
// +----------------------------------------------------------------------

namespace app\api\controller\common;

use app\service\api\common\DictService;
use core\base\BaseController;

/**
 * 字典批量获取控制器
 * Class Dict
 * @package app\api\controller\common
 */
class Dict extends BaseController
{
    /**
     * 批量获取字典数据
     * @return \think\Response
     */
    public function getBatchDict()
    {
        $keys = input('keys', []);
        
        // 支持字符串格式（逗号分隔）和数组格式
        if (is_string($keys)) {
            $keys = array_filter(explode(',', $keys));
        }
        
        if (!is_array($keys) || empty($keys)) {
            return fail('参数错误：keys必须是非空数组或逗号分隔的字符串');
        }

        // 限制一次最多获取20个字典，防止性能问题
        if (count($keys) > 20) {
            return fail('一次最多获取20个字典');
        }

        try {
            $dictService = new DictService();
            $result = $dictService->getBatchDict($keys);
            
            return success($result);
        } catch (\Exception $e) {
            return fail('获取字典数据失败：' . $e->getMessage());
        }
    }

    /**
     * 根据业务场景获取字典数据
     * @return \think\Response
     */
    public function getDictByScene()
    {
        $scene = input('scene', '');
        
        if (empty($scene)) {
            return fail('参数错误：scene不能为空');
        }

        try {
            $dictService = new DictService();
            
            // 获取场景对应的字典keys
            $keys = $dictService->getDictKeysByScene($scene);
            
            if (empty($keys)) {
                return fail('不支持的业务场景：' . $scene);
            }

            // 批量获取字典数据
            $result = $dictService->getBatchDict($keys);
            
            return success([
                'scene' => $scene,
                'data' => $result
            ]);
        } catch (\Exception $e) {
            return fail('获取字典数据失败：' . $e->getMessage());
        }
    }

    /**
     * 获取单个字典数据
     * @return \think\Response
     */
    public function getDict()
    {
        $key = input('key', '');
        $useCache = input('use_cache', 1);
        
        if (empty($key)) {
            return fail('参数错误：key不能为空');
        }

        try {
            $dictService = new DictService();
            $result = $dictService->getDict($key, (bool)$useCache);
            
            return success($result);
        } catch (\Exception $e) {
            return fail('获取字典数据失败：' . $e->getMessage());
        }
    }

    /**
     * 清除字典缓存
     * @return \think\Response
     */
    public function clearDictCache()
    {
        $keys = input('keys', null);
        
        // 支持字符串格式（逗号分隔）和数组格式
        if (is_string($keys)) {
            $keys = array_filter(explode(',', $keys));
        }

        try {
            $dictService = new DictService();
            $result = $dictService->clearDictCache($keys);
            
            if ($result) {
                return success('缓存清除成功');
            } else {
                return fail('缓存清除失败');
            }
        } catch (\Exception $e) {
            return fail('缓存清除失败：' . $e->getMessage());
        }
    }

    /**
     * 获取常用字典映射关系
     * @return \think\Response
     */
    public function getDictMapping()
    {
        try {
            $dictService = new DictService();
            $mapping = $dictService->getCommonDictMapping();
            
            return success($mapping);
        } catch (\Exception $e) {
            return fail('获取字典映射失败：' . $e->getMessage());
        }
    }
}