<?php

namespace App\Admin\Controllers;

use App\Exceptions\BizException;
use App\Models\{Vip, Coupon};
use Dcat\Admin\Admin;
use Dcat\Admin\Form;
use Dcat\Admin\Grid;
use Dcat\Admin\Http\Controllers\AdminController;
use Dcat\Admin\Show;

class VipController extends AdminController
{
    /**
     * Make a grid builder.
     *
     * @return Grid
     */
    protected function grid()
    {
        return Grid::make(new Vip(), function (Grid $grid) {

            $grid->column('id');
            $grid->column('name');
            $grid->column('times')->display(function ($v) {
                return data_get($v, 'text');
            });
            $grid->column('price');
            $grid->column('sort')->editable();
            $grid->column('status')->switch();

            $grid->disableViewButton(false);
            //新增
            $grid->showCreateButton(Admin::user()->can('dcat.admin.vip.create'));
            //修改
            $grid->showEditButton(Admin::user()->can('dcat.admin.vip.edit'));
            //删除以及自定义操作
            $grid->actions(function (Grid\Displayers\Actions $actions) {
                $actions->disableDelete(Admin::user()->cannot('dcat.admin.vip.destroy'));
            });
        });
    }

    /**
     * Make a show builder.
     *
     * @param mixed $id
     *
     * @return Show
     */
    protected function detail($id)
    {
        return Show::make($id, new Vip(), function (Show $show) {
            $show->field('id');
            $show->field('name');
            $show->field('times')->as(function ($v) {
                return data_get($v, 'text');
            });
            $show->filed('price');
            $show->filed('sort');
            $show->field('status');
            $show->field('description');
            $show->field('gift')->view('admin.vip.gift');
            $show->field('created_at');
            $show->field('updated_at');
        });
    }

    /**
     * Make a form builder.
     *
     * @return Form
     */
    protected function form()
    {
        return Form::make(new Vip(), function (Form $form) {
            $form->display('id');
            $form->text('name')->required();
            $form->embeds('times', function ($form) {
                $form->number('num', '数量')->min(0)->required();
                $form->select('unit', '单位')->options(Vip::$timeMap)->required();
                $form->text('text', '描述')->required();
            });
            $form->number('price')->min(0);
            $form->number('sort')->min(0);
            $form->switch('status')->default(1);
            $form->textarea('description');

            $form->table('coupon', function ($table) {
                $table->select('id', '优惠券')->options(Coupon::class)->ajax('api/coupons');
                $table->number('amount', '数量')->min(1)->default(1);
            })->customFormat(fn() => data_get($this->gift, 'coupon'));

            $form->hidden('gift')->customFormat(fn($v) => json_encode($v));

            $form->saving(function (Form $form) {
                $gift = $form->model()?->gift ?: [];
                if ($form->coupon) {
                    // [id, amount, name]
                    $couponList = [];
                    foreach($form->coupon as $item) {
                        if (!data_get($item, '_remove_') && $item['amount'] > 0) {
                            $coupon = Coupon::findOrFail($item['id']);
                            array_push($couponList, ['id' => $coupon->id, 'amount' => $item['amount'], 'name' => $coupon->name]);
                        }
                    }
                    $gift['coupon'] = $couponList;
                }
                $form->gift = $gift;
                $form->deleteInput('coupon');
            });
        });
    }
}