<?php

namespace App\Admin\Controllers\Article;

use App\Admin\Selectable\CategorySelectAble;
use App\Models\Article;
use App\Models\Category;
use Encore\Admin\Controllers\AdminController;
use Encore\Admin\Form;
use Encore\Admin\Grid;
use Encore\Admin\Show;

class IndexController extends AdminController
{

    protected $title = '内容管理';

    public function grid()
    {
        $grid = new Grid(new Article);
        $grid->model()->orderBy('id', 'desc');
        $grid->filter(function ($filter) {
            $filter->column(1 / 2, function ($filter) {
                $filter->like('title', '文章标题');
                $filter->equal('categories.id', '所属分类')->select(Category::selectOptions(function ($model) {
                    return $model->where('status', 1)->whereIn('type', [Category::TYPE_ARTICLE, Category::TYPE_SHOW]);
                }, '所有分类'));
            });
            $filter->column(1 / 2, function ($filter) {
                $filter->equal('position', '首页推荐位')
                       ->select(Article::POSITIONS);
            });

            $filter->disableIdFilter();
        });

        $grid->column('id', '#ID#');
        $grid->column('cover', '封面图片')->image('', 100);
        $grid->column('所属分类')->display(function () {
            return $this->categories()->pluck('title');
        })->label();
        $grid->column('title', '文章标题');
        $grid->column('sort', '序号');
        $grid->status('状态')->switch([
            'on'  => ['value' => 1, 'text' => '正常', 'color' => 'primary'],
            'off' => ['value' => 0, 'text' => '关闭', 'color' => 'danger'],
        ]);
        $grid->column('created_at', '创建时间');

        return $grid;
    }

    public function form()
    {
        $form = new Form(new Article);

        $form->text('title', '文章标题')->rules('min:2');

        $form->belongsToMany('categories', CategorySelectAble::class, __('关联分类'));

        //        $form->text('keywords', '关键词')->rules('nullable');
        $form->textarea('description', '内容简介')->rules('max:350');
        $form->image('cover', '封面')
             ->move('images/' . date('Y/m/d'))
             ->removable()
             ->uniqueName();

        $form->ueditor('content', '文章内容');
        $form->number('sort', '序号')->default(0)->rules('required', ['required' => '序号必须填写'])->help('倒序优先');
        $form->switch('status', '状态')->default(1);
        $form->text('url', '外链地址');
        $form->select('position', '首页推荐位')
             ->options(Article::POSITIONS);
        $form->datetime('created_at', '发布时间');
        $form->saved(function ($form) {
            if ($form->position) {
                $model = $form->model();
                Article::where('position', $form->position)
                       ->where('id', '<>', $model->id)
                       ->update([
                           'position' => '',
                       ]);
            }
        });

        return $form;
    }

    public function detail($id)
    {
        $show = new Show(Article::findOrFail($id));

        $show->field('id', 'ID');
        $show->field('title', '标题');
        $show->field('content', '内容');
        $show->field('created_at');

        return $show;
    }

}