<?php

namespace App\Admin\Controllers\Draw;

use App\Admin\Repositories\DrawActivityPrize as DrawActivityPrizeRepository;
use App\Enums\DrawPrizeType;
use App\Exceptions\BizException;
use App\Http\Controllers\Controller;
use App\Models\DrawActivity;
use App\Models\DrawPrize;
use Dcat\Admin\Admin;
use Dcat\Admin\Form;
use Dcat\Admin\Layout\Content;
use Illuminate\Validation\Rule;

class DrawActivityPrizeController extends Controller
{
    protected function title()
    {
        if (property_exists($this, 'title')) {
            return $this->title;
        }

        return admin_trans_label();
    }

    protected function description()
    {
        if (property_exists($this, 'description')) {
            return $this->description;
        }
    }

    protected function translation()
    {
        if (property_exists($this, 'translation')) {
            return $this->translation;
        }
    }

    public function create($drawActivityId, Content $content)
    {
        $drawActivity = DrawActivity::findOrFail($drawActivityId);

        return $content
            ->translation($this->translation())
            ->title($this->title())
            ->description($this->description()['create'] ?? trans('admin.create'))
            ->body($this->form($drawActivity));
    }

    public function store($drawActivityId)
    {
        $drawActivity = DrawActivity::findOrFail($drawActivityId);

        if ($drawActivity->isPublished()) {
            throw new BizException('活动已发布');
        }

        return $this->form($drawActivity)->store();
    }

    public function edit($drawActivityId, $drawActivityPrizeId, Content $content)
    {
        $drawActivity = DrawActivity::findOrFail($drawActivityId);

        return $content
            ->translation($this->translation())
            ->title($this->title())
            ->description($this->description()['edit'] ?? trans('admin.edit'))
            ->body($this->form($drawActivity)->edit($drawActivityPrizeId));
    }

    public function update($drawActivityId, $drawActivityPrizeId)
    {
        $drawActivity = DrawActivity::findOrFail($drawActivityId);

        if ($drawActivity->isClosed()) {
            throw new BizException('活动已结束');
        }

        $drawActivityPrize = $drawActivity->prizes()->findOrFail($drawActivityPrizeId);

        return $this->form($drawActivity)->update($drawActivityPrize->id);
    }

    public function destroy($drawActivityId, $drawActivityPrizeId)
    {
        $drawActivity = DrawActivity::findOrFail($drawActivityId);

        if ($drawActivity->isPublished()) {
            throw new BizException('活动已发布');
        }

        $drawActivity->prizes()->where('id', $drawActivityPrizeId)->delete();

        return Admin::json()
            ->alert()
            ->status(true)
            ->message(trans('admin.delete_succeeded'))
            ->refresh();
    }

    protected function form(DrawActivity $drawActivity)
    {
        return Form::make(new DrawActivityPrizeRepository(), function (Form $form) use ($drawActivity) {
            if ($form->isCreating()) {
                $form->hidden('draw_activity_id')->default($drawActivity->id);
            }

            if ($form->isCreating() || ! $drawActivity->isPublished()) {
                $form->radio('draw_prize_source', '来源')
                    ->options([
                        1 => '自定义',
                        2 => '奖品库',
                    ])
                    ->when(1, function (Form $form) {
                        $form->text('name', '名称')
                            ->rules(['bail', 'required_if:draw_prize_source,1', 'nullable', 'string', 'max:255'], ['required_if' => '不能为空'])
                            ->setLabelClass(['asterisk']);

                        $form->image('icon', '图标')
                            ->move('draw/prizes')
                            ->uniqueName()
                            ->saveFullUrl()
                            ->removable(false)
                            ->autoUpload()
                            ->retainable()
                            ->rules(['bail', 'required_if:draw_prize_source,1'], ['required_if' => '不能为空'])
                            ->setLabelClass(['asterisk']);

                        $form->select('type', '类型')
                            ->options(DrawPrizeType::options())
                            ->rules(['bail', 'required_if:draw_prize_source,1', 'nullable', Rule::in(array_keys(DrawPrizeType::options()))], ['required_if' => '不能为空'])
                            ->setLabelClass(['asterisk']);

                        $form->text('amount', '面值/数量')
                            ->rules(['bail', 'required_if:draw_prize_source,1', 'nullable', 'min:0', 'regex:/^([1-9]\d*|0)(\.\d{1,2})?$/'], ['required_if' => '不能为空'])
                            ->setLabelClass(['asterisk'])
                            ->help('精确到2位小数');
                    })
                    ->when(2, function (Form $form) {
                        $form->select('draw_prize_id', '奖品')
                            ->options(DrawPrize::pluck('name', 'id'))
                            ->rules(['bail', 'required_if:draw_prize_source,2'], ['required_if' => '不能为空'])
                            ->setLabelClass(['asterisk']);
                    })
                    ->setLabelClass(['asterisk'])
                    ->value($form->isEditing() ? 1 : 2)
                    ->default(1);

                $form->radio('limited', '是否限量')
                    ->options([
                        0 => '否',
                        1 => '是',
                    ])
                    ->when(1, function (Form $form) {
                        $form->number('stock', '库存')
                            ->min(0)
                            ->rules(['required_if:limited,1', 'int', 'min:0'], ['required_if' => '不能为空'])
                            ->setLabelClass(['asterisk']);
                    })
                    ->default(1)
                    ->customFormat(function ($v) {
                        return $v ? 1 : 0;
                    })
                    ->setLabelClass(['asterisk']);
            } else {
                $form->display('name', '名称')
                    ->setLabelClass(['asterisk']);
                $form->image('icon', '图标')
                    ->disable()
                    ->setLabelClass(['asterisk']);
                $form->display('type', '类型')
                    ->setLabelClass(['asterisk'])
                    ->with(fn () => $this->type->label());
                $form
                    ->display('amount', '面值/数量')
                    ->setLabelClass(['asterisk'])
                    ->with(fn ($value) => trim_trailing_zeros($value));
            }

            $form->number('weight', '权重')
                ->rules(['bail', 'required', 'int', 'min:0'])
                ->min(0)
                ->setLabelClass(['asterisk'])
                ->attribute('required', true);

            $form->number('sort', '排序')->default(0)->rules(['required', 'int']);

            $form->saving(function (Form $form) use ($drawActivity) {
                if (! $form->isCreating()) {
                    $form->deleteInput('draw_activity_id');
                }

                if ($form->isCreating() || ! $drawActivity->isPublished()) {
                    if ($form->input('draw_prize_source') != 1) {
                        $drawPrize = DrawPrize::findOrFail($form->input('draw_prize_id'));

                        $form->input('name', $drawPrize->name);
                        $form->input('icon', $drawPrize->icon);
                        $form->input('type', $drawPrize->type);
                        $form->input('amount', $drawPrize->amount);
                    }

                    $form->deleteInput(['draw_prize_source', 'draw_prize_id']);
                } else {
                    $form->deleteInput(['name', 'icon', 'type', 'amount', 'limited', 'stock']);
                }
            });
        });
    }
}