<?php

namespace App\Http\Controllers;

use App\Http\Resources\ExplainListResource;
use App\Http\Resources\ExplainResource;
use App\Models\Explain;
use Illuminate\Http\Request;

class ExplainController extends Controller
{

    public function index(Request $request)
    {
        $title = $request->title;

        $explains = Explain::where('status', 1)
            ->when($title, function ($query) use ($title) {
                $query->where('title', 'like', "%{$title}%");
            })
            ->orderBy('created_at', 'desc')->paginate();

        return ExplainListResource::collection($explains)->additional([
            'status'      => 'SUCCESS',
            'status_code' => 0,
        ]);
    }

    public function show(Explain $explain)
    {
        return $this->success(new ExplainResource($explain));
    }

    //收藏
    public function favorite(Explain $explain)
    {
        if ($this->user->hasFavorited($explain)) {
            $result = $this->user->unfavorite($explain);
            $text   = '取消收藏';
        } else {
            $result = $this->user->favorite($explain);
            $text   = '收藏';
        }

        if ($result) {
            return ['status_code' => 0, 'status' => 'SUCCESS', 'message' => $text . '成功', 'isFavorited' => $this->user->hasFavorited($explain)];
        } else {
            return ['status_code' => 400, 'status' => 'ERROR', 'message' => $text . '失败', 'isFavorited' => $this->user->hasFavorited($explain)];
        }
    }

}