<?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
    {
        return $this->success(Db::name('chat_common_phrase')->where('user_id', $this->uid)
            ->order('sort', 'desc')
            ->field(['id', 'content', 'sort', 'created_time'])
            ->select());
    }

    /**
     * 添加常用语
     */
    public function store(Request $request): Response
    {
        $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' => $this->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' => $this->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): Response
    {
        $id = $request->post('id');
        $phrase = Db::name('chat_common_phrase')->where([
            'user_id' => $this->uid,
            'id' => $id,
        ])->find();
        if (!$phrase) {
            return $this->error('常用语不存在');
        }
        $phrase_del = Db::name('chat_common_phrase')->where([
            'user_id' => $this->uid,
            'id' => $id,
        ])->delete();
        if($phrase_del) {
            return $this->success();
        }else {
            return $this->error();
        }
    }
}