<?php

namespace App\Admin\Controllers;

use App\Models\Advert;
use Illuminate\Http\Request;
use Validator;

/**
 * 轮播管理，基本完成
 */
class AdvertController extends Controller
{
    protected $models = [
        'Article' => '资讯模型',
        'Goods'   => '商品模型',
    ];

    public function index(Request $request)
    {
        $orderField     = $request->orderField;
        $orderDirection = $request->orderDirection;
        $numPerPage     = $request->numPerPage ?: 30;
        $model          = $request->model;

        $adverts = Advert::when($orderField, function ($query) use ($orderField, $orderDirection) {
            $query->orderBy($orderField, $orderDirection);
        })
            ->when($model, function ($query) use ($model) {
                $query->where('advertable_type', 'like', "%{$model}%");
            })
            ->paginate($numPerPage);

        return view('Admin::adverts.index', compact('adverts'));
    }

    public function create()
    {
        $models = $this->models;
        return view('Admin::adverts.create', compact('models'));
    }

    public function store(Request $request)
    {

        $validator = Validator::make($request->all(), [
            'sort'       => 'required|numeric',
            'storage_id' => 'required',
        ], [
            'sort.required'       => '排序必须填写',
            'sort.numeric'        => '排序只能是数字',
            'url.required'        => 'url必须填写',
            'url.url'             => 'url格式不正确',
            'storage_id.required' => '图片必须上传',
        ]);

        if ($validator->fails()) {
            return $this->error($validator->errors()->first());
        }

        Advert::create([
            'storage_id' => $request->storage_id,
            'sort'       => $request->sort,
            'url'        => $request->url,
        ]);

        return $this->success('轮播创建成功', 'close');
    }

    public function edit(Advert $advert)
    {
        $models = $this->models;
        return view('Admin::adverts.edit', compact('models', 'advert'));
    }

    public function update(Request $request, Advert $advert)
    {
        $validator = Validator::make($request->all(), [
            'sort'       => 'required|numeric',
            'storage_id' => 'required',
        ], [
            'sort.required'       => '排序必须填写',
            'sort.numeric'        => '排序只能是数字',
            'url.required'        => 'url必须填写',
            'url.url'             => 'url格式不正确',
            'storage_id.required' => '图片必须上传',
        ]);

        if ($validator->fails()) {
            return $this->error($validator->errors()->first());
        }

        $advert->update([
            'storage_id' => $request->storage_id,
            'sort'       => $request->sort,
            'url'        => $request->url,
        ]);

        return $this->success('轮播更新成功', 'close');
    }

    public function destroy(Advert $advert)
    {
        if ($advert->delete()) {
            return $this->success();
        } else {
            return $this->error();
        }
    }
}