<?php

namespace Peidikeji\Goods\Http\Admin;

use Dcat\Admin\Admin;
use Dcat\Admin\Form;
use Dcat\Admin\Grid;
use Dcat\Admin\Grid\Tools\Selector;
use Dcat\Admin\Layout\Content;
use Dcat\Admin\Show;
use Illuminate\Routing\Controller;
use Illuminate\Support\Arr;
use Illuminate\Validation\Rule;
use Peidikeji\Goods\GoodsService;
use Peidikeji\Goods\Models\Goods;
use Peidikeji\Goods\Models\GoodsSku;

class GoodsSkuController extends Controller
{
    protected $translation = 'dcat-admin-goods::goods-sku';

    public function index($goods, Content $content)
    {
        $goods = Goods::findOrFail($goods);
        $grid = Grid::make(new GoodsSku(), function (Grid $grid) use ($goods) {
            $grid->model()->where('goods_id', $goods->id);

            $grid->selector(function (Selector $selector) use ($goods) {
                $specs = $goods->spec;
                if ($specs) {
                    foreach ($specs as $key => $item) {
                        $values = array_column($item['values'], 'name');
                        $selector->selectOne('spec_'.$key, $item['name'], array_column($item['values'], 'name'), function ($q, $value) use ($values, $item) {
                            $selected = array_values(Arr::only($values, $value));
                            if (count($selected) > 0) {
                                $q->jsonArray([['name' => $item['name'], 'value' => $selected[0]]]);
                            }
                        });
                    }
                }
            });

            $grid->column('id');
            $grid->column('sn');
            $grid->column('name');
            $grid->column('price');
            $grid->column('stock');
            if ($goods->spec) {
                foreach ($goods->spec as $key => $item) {
                    $grid->column('spec_'.$key, $item['name'])->display(function () use ($item) {
                        $filtered = current(array_filter($this->spec, fn ($subItem) => $subItem['name'] === $item['name']));
                        $value = data_get($filtered, 'value');
                        $price = data_get($filtered, 'price');

                        return '<span class="label bg-info">'.$value.'</span>';
                    });
                }
            }

            $user = Admin::user();
            $grid->showCreateButton(!$goods->on_sale && $user->can('dcat.admin.goods_sku.create'));
            $grid->showDeleteButton(!$goods->on_sale && $user->can('dcat.admin.goods_sku.destroy'));
            $grid->showEditButton(!$goods->on_sale && $user->can('dcat.admin.goods_sku.edit'));
            $grid->showViewButton($user->can('dcat.admin.goods_sku.show'));
        });

        return $content
            ->translation($this->translation)
            ->title($goods->name)
            ->description(admin_trans_label())
            ->body($grid);
    }

    public function show($goods, $id, Content $content)
    {
        Admin::css([
            'vendor/dcat-admin-goods/goods.css',
        ]);
        $goods = Goods::findOrFail($goods);
        $info = GoodsSku::findOrFail($id);
        $show = Show::make($info, function (Show $show) {
            $show->field('sn');
            $show->field('name');
            $show->field('price');
            $show->field('stock');
            $show->field('spec')->view('dcat-admin-goods::goods.grid-spec');
            $show->disableDeleteButton();
            $show->disableEditButton();
        });

        return $content
            ->translation($this->translation)
            ->title(admin_trans_label())
            ->description(trans('admin.show'))
            ->body($show);
    }

    protected function editForm($goods)
    {
        return Form::make(new GoodsSku(), function (Form $form) use ($goods) {
            $unqiue = Rule::unique('goods_sku', 'sn')->ignore($form->model()->id);
            $form->text('sn')->rules([$unqiue], ['unique' => '货号已经存在'])->required();
            $form->text('name')->default($goods->name);
            $form->currency('price')->symbol('￥');

            $form->number('stock')->min(0)->default($goods->stock);
            $form->hidden('spec')->customFormat(fn ($v) => json_encode($v));
            $form->hidden('goods_id')->default($goods->id);

            $spec = $form->model()->spec;
            if ($goods->spec) {
                foreach ($goods->spec as $item) {
                    $values = array_column($item['values'], 'name', 'name');
                    $value = null;
                    if ($spec) {
                        $filtered = current(array_filter($spec, fn ($subItem) => $subItem['name'] === $item['name']));
                        $value = array_search($filtered['value'], $values);
                    }
                    $form->radio($item['name'], $item['name'])->options($values)->value($value);
                }
            }

            $form->saving(function (Form $form) use ($goods) {
                $info = $form->model();
                $spec = [];
                if ($goods->spec) {
                    foreach ($goods->spec as $item) {
                        array_push($spec, ['name' => $item['name'], 'value' => $form->input($item['name'])]);
                        $form->deleteInput($item['name']);
                    }
                }
                $form->input('spec', $spec);
                $query = GoodsSku::where('goods_id', $goods->id)->jsonArray($spec);
                if ($form->isEditing()) {
                    $query->where('id', '!=', $info->id);
                }
                if ($query->exists()) {
                    return $form->response()->error('该规格已经存在');
                }
            });

            $form->disableCreatingCheck();
            $form->disableEditingCheck();
            $form->disableViewCheck();
            $form->disableResetButton();
            $form->disableViewButton();
            $form->disableListButton();
            $form->disableDeleteButton();
        });
    }

    public function edit($goods, $id, Content $content)
    {
        $goods = Goods::findOrFail($goods);

        return $content
            ->translation($this->translation)
            ->title(admin_trans_label())
            ->description(trans('admin.edit'))
            ->body($this->editForm($goods)->edit($id));
    }

    public function create($goods, Content $content)
    {
        $goods = Goods::findOrFail($goods);

        return $content
            ->translation($this->translation)
            ->title(__('dcat-admin-goods::goods-sku.labels.sku'))
            ->description(__('dcat-admin-goods::goods-sku.labels.create'))
            ->body($this->createForm($goods));
    }

    protected function createForm($goods)
    {
        return Form::make(new GoodsSku(), function (Form $form) use ($goods) {
            $form->text('name')->default($goods->name);
            if ($goods->spec) {
                $form->checkbox('name_append', '')->options([1 => '是否在名称上面追加属性值']);
            }
            $form->currency('price')->symbol('￥')->default($goods->price);
            if ($goods->spec) {
                $form->checkbox('price_append', '')->options([1 => '是否在价格上面追加属性的加价'])->default([1]);
            }

            $form->number('stock')->min(0)->default($goods->stock);

            if ($goods->spec) {
                foreach ($goods->spec as $item) {
                    $values = array_column($item['values'], 'name', 'name');
                    $form->checkbox($item['name'], $item['name'])->options($values);
                    // $form->embeds('input_'.$item['name'], '自定义' . $item['name'], function (EmbeddedForm $form) use ($item) {
                    //     $form->text('', '属性值')->setElementName('input_'.$item['name'].'_name');
                    //     $form->text('', '价格')->setElementName('input_'.$item['name'].'_price')->default(0);
                    // });
                }

                $form->checkbox('clear', '')->options([1 => '清空现有的货品'])->default(1);
            }

            $form->disableCreatingCheck();
            $form->disableEditingCheck();
            $form->disableViewCheck();
            $form->disableResetButton();

            $form->saving(function (Form $form) use ($goods) {
                $price = $form->price;
                $name = $form->name;
                $spec = [];
                if ($goods->spec) {
                    $goodsSpecs = $goods->spec;
                    foreach ($goodsSpecs as &$item) {
                        // 自定义属性
                        $add = ['name' => '', 'value' => ''];
                        if ($form->input('input_'.$item['name'].'_name')) {
                            $add = ['name' => $form->input('input_'.$item['name'].'_name'), 'value' => round($form->input('input_'.$item['name'].'_value'), 2, PHP_ROUND_HALF_DOWN)];
                        }

                        $values = $form->input($item['name']);
                        // 过滤空值
                        $values = array_filter($values, fn ($v) => $v);
                        // 补充自定义属性
                        if ($add['name']) {
                            array_push($item['values'], $add);
                            array_push($values, $add['name']);
                        }
                        if (count($values) === 0) {
                            return $form->response()->error('请勾选 '.$item['name']);
                        }
                        array_push($spec, ['name' => $item['name'], 'values' => array_filter($item['values'], fn ($v) => in_array($v['name'], $values))]);
                        $form->deleteInput($item['name']);
                    }
                    $goods->update(['spec' => $goodsSpecs]);
                }
                $service = GoodsService::make();
                if ($form->clear) {
                    $service->clearSku($goods);
                }
                $service->generateSku($goods, [
                    'spec' => $spec,
                    'price' => $price,
                    'name' => $name,
                    'name_add' => (bool) data_get($form->name_append, 0),
                    'price_add' => (bool) data_get($form->price_append, 0),
                    'stock' => $form->stock,
                ]);

                return $form->response()->success('添加成功')->redirect(admin_route('goods_sku.index', ['goods' => $goods->id]));
            });
        });
    }

    public function update($goods, $id)
    {
        return $this->editForm(Goods::findOrFail($goods))->update($id);
    }

    public function store($goods)
    {
        return $this->createForm(Goods::findOrFail($goods))->store();
    }

    public function destroy($goods, $id)
    {
        GoodsSku::where('id', $id)->delete();

        return $this->editForm($goods)->response()->success('删除成功');
    }
}