<?php

namespace App\Admin\Controllers;

use App\Models\Advert;
use Encore\Admin\Controllers\AdminController;
use Encore\Admin\Form;
use Encore\Admin\Grid;
use Encore\Admin\Layout\Content;

class AdvertController extends AdminController
{

    /**
     * Index interface.
     *
     * @param Content $content
     * @return Content
     */
    public function index(Content $content)
    {
        return $content
            ->header('轮播图管理')
            ->description('列表')
            ->body($this->grid());
    }

    /**
     * Edit interface.
     *
     * @param mixed $id
     * @param Content $content
     * @return Content
     */
    public function edit($id, Content $content)
    {
        return $content
            ->header('轮播图管理')
            ->description('编辑')
            ->body($this->form()->edit($id));
    }

    /**
     * Create interface.
     *
     * @param Content $content
     * @return Content
     */
    public function create(Content $content)
    {
        return $content
            ->header('轮播图管理')
            ->description('创建')
            ->body($this->form());
    }

    /**
     * Make a grid builder.
     *
     * @return Grid
     */
    protected function grid()
    {
        $channel_type = (new Advert)->channel_type;

        $grid = new Grid(new Advert);

        $grid->id('ID');
        $grid->column('频道')->display(function () {
            return $this->channel_text;
        });

        $grid->cover('图片')->image('', 60, 60);
        $grid->url('地址');
        $grid->sort('排序');

        $grid->filter(function ($filter) use ($channel_type) {
            // 去掉默认的id过滤器
            $filter->disableIdFilter();
            // 在这里添加字段过滤器
            $filter->equal('channel', '渠道')->select($channel_type);
        });
        return $grid;
    }

    /**
     * Make a form builder.
     *
     * @return Form
     */
    protected function form()
    {
        $channel_type = (new Advert)->channel_type;
        $form         = new Form(new Advert);

        $form->select('channel', '频道')->options($channel_type)->rules('required', ['required' => '必须选择频道']);
        $form->text('url', '地址')->rules('required');
        $form->image('cover', '图片')->rules('required')->uniqueName();
        $form->number('sort', '排序')->default(1);

        return $form;
    }

}