<?php

namespace App\Admin\Controllers\Activity;

use App\Admin\Renderable\Activity\Grants;
use App\Models\Activity;
use App\Models\ActivityGrant;
use App\Models\ActivityRule;
use App\Models\User;
use Encore\Admin\Controllers\HasResourceActions;
use Encore\Admin\Form;
use Encore\Admin\Grid;
use Encore\Admin\Layout\Content;
use Illuminate\Support\MessageBag;
use Illuminate\Routing\Controller as AdminController;

class IndexController extends AdminController
{

    use HasResourceActions;

    protected $title = '活动管理';

    /**
     * Get content title.
     * @return string
     */
    protected function title()
    {
        return $this->title;
    }

    /**
     * Index interface.
     * @param Content $content
     * @return Content
     */
    public function index(Content $content)
    {
        return $content
            ->title($this->title())
            ->description($this->description['index'] ?? trans('admin.list'))
            ->body($this->grid());
    }

    /**
     * Edit interface.
     * @param mixed   $id
     * @param Content $content
     * @return Content
     */
    public function edit($id, Content $content)
    {
        return $content
            ->title($this->title())
            ->description($this->description['edit'] ?? trans('admin.edit'))
            ->body($this->form($id)->edit($id));
    }

    /**
     * Create interface.
     * @param Content $content
     * @return Content
     */
    public function create(Content $content)
    {
        return $content
            ->title($this->title())
            ->description($this->description['create'] ?? trans('admin.create'))
            ->body($this->form());
    }

    protected function grid()
    {
        $grid = new Grid(new Activity);
        $grid->model()->withCount('coupons');

        $grid->actions(function ($actions) {
            $actions->disableView();
        });

        $grid->filter(function ($filter) {
            $filter->column(1 / 2, function ($filter) {
                $filter->equal('status', '状态')->select(Activity::STATUS);
                $filter->equal('type', '类型')->select(Activity::TYPES);

                $users = User::whereHas('identity', function ($query) {
                    $query->where('identity_id', 1);
                })->get()->pluck('nickname', 'id');

            });

            $filter->column(1 / 2, function ($filter) {
                $filter->between('start_at', '开始时间')->datetime();
                $filter->between('end_at', '结束时间')->datetime();
            });

        });

        $grid->column('id', '#ID#');
        $grid->column('title', '活动名称');
        $grid->column('code', '活动编号');
        $grid->column('total', '可发券总数');
        $grid->column('coupons_count', '可发券总数');
        $grid->column('rule.code', '卡券规则');
        $grid->column('类型')->display(function () {
            return $this->type_text;
        });

        $grid->column('days', '延期(天)');
        $grid->column('rule.full', '满足金额');
        $grid->column('rule.take', '扣除金额');
        $grid->column('发券')
             ->display(function () {
                 return $this->grants->pluck('user_nickname');
             })
             ->label()
             ->hide();

        $grid->column('核券')
             ->display(function () {
                 return $this->verifications->pluck('user_nickname');
             })
             ->label()
             ->hide();

        $grid->column('开始时间')->display(function () {
            return $this->type == Activity::TYPE_SCOPE ? $this->start_at->format('Y-m-d') : '---';
        });
        $grid->column('结束时间')->display(function () {
            return $this->type == Activity::TYPE_SCOPE ? $this->end_at->format('Y-m-d') : '---';
        });

        $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;
    }

    /**
     * Make a form builder.
     * @return Form
     */
    protected function form($id = '')
    {
        $form = new Form(new Activity);

        $form->text('title', '活动名称')->required();
        $form->textarea('description', '活动说明')->required();

        $form->select('activity_rule_id', '所属规则')
             ->options(function ($option, $info) {
                 return ActivityRule::where('status', 1)->pluck('title', 'id');
             })
             ->required();

        $form->number('total', '总数')
             ->help('可发券总数')
             ->default(10000)
             ->required();

        $form->radio('type', '类型')
             ->options(Activity::TYPES)
             ->when(Activity::TYPE_EXTEND, function (Form $form) {
                 $form->number('days', '延期天数')->default(60)->help('到期日期=发券日期+延期天数');
             })
             ->when(Activity::TYPE_SCOPE, function (Form $form) {
                 $form->dateRange('start_at', 'end_at', '有效时间');
             })
             ->required();

        $form->switch('status', '状态')->default(1);
        $form->switch('need_check', '多次校验')
             ->default(1)
             ->help('同一订单，多次核销时校验，订单每满100元可核销一笔。');

        $grantdef = $verificationsdef = '';
        if ($id) {
            $grantdef         = Activity::find($id)->grants()->pluck('user_id')->toArray();
            $verificationsdef = Activity::find($id)->verifications()->pluck('user_id')->toArray();
        }

        $users = User::with('info')->whereHas('identity', function ($q) {
            $q->where('identity_id', 1);
        })->orderBy('id', 'desc')->get()->pluck('nickname', 'id');

        $form->listbox('grants.user_id', '可发券渠道')
             ->options($users)
             ->default($grantdef)
             ->required();

        $form->listbox('verifications.user_id', '可核券渠道')
             ->options($users)
             ->default($verificationsdef)
             ->required();

        $form->saving(function (Form $form) {
            $request = request();

            if ($request->total < 0) {
                $error = new MessageBag([
                    'title'   => '错误',
                    'message' => '可发券总数必须大于0',
                ]);

                return back()->withInput()->with(compact('error'));
            }

            if ($request->type == Activity::TYPE_EXTEND && empty($request->days)) {
                $error = new MessageBag([
                    'title'   => '错误',
                    'message' => '必须添加延期天数',
                ]);

                return back()->withInput()->with(compact('error'));
            }

            if ($request->type == Activity::TYPE_SCOPE && (empty($request->start_at) || empty($request->end_at))) {
                $error = new MessageBag([
                    'title'   => '错误',
                    'message' => '必须添加延期天数',
                ]);

                return back()->withInput()->with(compact('error'));
            }

            if (request()->start) {
                $form->start_at = $form->start_at . ' 00:00:01';
            }

            if (request()->end_at) {
                $form->end_at = $form->end_at . ' 23:59:59';
            }

        });

        $form->saved(function (Form $form) {
            $users = [];
            foreach ($form->grants['user_id'] as $key => $user_id) {
                if ($user_id) {
                    $form->model()->grants()->updateOrCreate([
                        'user_id' => $user_id,
                    ]);
                    $users[] = $user_id;
                }
            }
            $form->model()->grants()->whereNotIn('user_id', $users)->delete();
            $users = [];
            foreach ($form->verifications['user_id'] as $key => $user_id) {
                if ($user_id) {
                    $form->model()->verifications()->updateOrCreate([
                        'user_id' => $user_id,
                    ]);
                    $users[] = $user_id;
                }
            }
            $form->model()->verifications()->whereNotIn('user_id', $users)->delete();
        });

        return $form;
    }

}