<?php

namespace App\Http\Controllers;

use Closure;
use Exception;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Http;
use Illuminate\Support\Facades\Cache;

class ForumController extends Controller
{

    private $http, $baseUrl;

    public function __construct()
    {
        $this->baseUrl = config('forum.base_url');

        $this->http = Http::baseUrl($this->baseUrl . '/api')->throw();
    }

    public function get($url)
    {

        try {
            $resp = $this->http->get($url)->json()['data'];
        } catch (Exception $e) {
            return $this->error($e);
        }

        return $this->success($resp);
    }


    public function announcements()
    {

        $resp = $this->cache(function () {
            return $this->get('discussions?filter[tag]=announcements&page[offset]=0&sort=-commentCount');
        });

        if (isset($resp->original['data'])) {
            $resp = $resp->original['data'];
        } else {
            $resp = [];
        }

        return $this->success($resp);
    }


    public function cache(Closure $callback)
    {
        // 获取调用方法名
        $method = debug_backtrace()[1]['function'];


        return Cache::remember('forum.func.' . $method . '.user_' . auth()->id(), 60, function () use ($callback) {
            return $callback();
        });
    }
}