<?php

declare(strict_types=1);

namespace app\index\controller;

use app\model\Post as ModelPost;
use app\model\PostVisit;
use think\facade\Cache;
use think\facade\Db;
use think\facade\View;
use think\model\Relation;

class Post extends Common
{
    /**
     * 显示指定的资源.
     *
     * @param  int  $id
     * @return \think\Response
     */
    public function read($uid)
    {
        //

        $cache_key = 'post_' . $uid;

        $model_post = Cache::get($cache_key);

        if (empty($model_post)) {
            $model_post = ModelPost::with([
                'comments' => function (Relation $query) {
                    $query->order('id asc');
                },
            ])->where('uid', $uid)->find();

            if (empty($model_post)) {
                return $this->error('链接已失效', '/');
            }

            Cache::set($cache_key, $model_post, 600);
        }

        $model_post->hits = Db::raw('hits + 1');

        $model_post->save();

        $this->recordVisit($model_post->id);

        $list_last_visit = PostVisit::where('post_id', $model_post->id)
        ->order('id desc')
        ->group('ip,uid')
        ->limit(12)
        ->cache(60)
        ->select();
        View::assign('post', $model_post);
        View::assign('list_last_visit', $list_last_visit);

        return View::fetch();
    }

    public function recordVisit($post_id)
    {
        $model_visit = new PostVisit();
        $model_visit->uid = $this->userinfo['uid'] ?? '';
        $model_visit->post_id = $post_id;
        $model_visit->avatar = $this->userinfo['avatar'] ?? '';
        $model_visit->nickname = $this->userinfo['nickname'] ?? '';
        $model_visit->ip = $this->request->ip();
        $model_visit->save();
    }
}