<?php
namespace app\chat\controller;

use app\chat\model\ChatCommonPhrase;
use app\common\controller\ApiController;
use support\Request;
use support\Response;
use support\think\Db;

class CommonPhraseController extends ApiController
{
    /**
     * 获取常用语列表
     */
    public function index(Request $request): Response
    {
        $uid = $request->get('uid');
        return $this->success(Db::name('chat_common_phrase')->where('user_id', $uid)
            ->order('sort', 'desc')
            ->field(['id', 'content', 'sort', 'created_time'])
            ->select());
    }

    /**
     * 添加常用语
     */
    public function store(Request $request): Response
    {
        $uid = $request->post('uid');
        $content = $request->post('content', '');
        $sort = $request->post('sort', 0);
        if (empty($content) || mb_strlen($content) > 500) {
            return $this->error('常用语内容不能为空且长度≤500字');
        }
        // 有重复的内容不给添加
        $msg = Db::name('chat_common_phrase')->where(['user_id' => $uid, 'content' => $content])->find();
        if($msg) {
            return $this->error('此内容已经存在，不能重复添加');
        }
        $res = Db::name('chat_common_phrase')->insert([
            'user_id' => $uid,
            'content' => $content,
            'sort' => $sort,
            'created_time' => d(),
        ]);
        if($res) {
            return $this->success();
        }else {
            return $this->error();
        }
    }

    /**
     * 删除常用语
     */
    public function destroy(Request $request, int $id): Response
    {
        $uid = $request->uid;
        $phrase = ChatCommonPhrase::where(['id' => $id, 'user_id' => $uid])->find();
        if (!$phrase) {
            return json(['code' => 404, 'msg' => '常用语不存在']);
        }

        $phrase->delete();
        return json(['code' => 200, 'msg' => '删除成功']);
    }
}