<?php

namespace App\AdminSupplier\Controllers;

use App\AdminSupplier\Repositories\IndustryProduct;
use App\Common\ProductStatus;
use App\Models\Category;
use App\Models\Order;
use App\Models\Supplier;
use App\Models\SystemSetting;
use Dcat\Admin\Admin;
use Dcat\Admin\Form;
use Dcat\Admin\Form\NestedForm;
use Dcat\Admin\Grid;
use Dcat\Admin\Show;
use Dcat\Admin\Http\Controllers\AdminController;
use Illuminate\Support\Facades\DB;

class IndustryProductController extends AdminController
{
    /**
     * Make a grid builder.
     *
     * @return Grid
     */
    protected function grid()
    {
        return Grid::make(new IndustryProduct(['category:id,name']), function (Grid $grid) {
			$grid->disableDeleteButton();
			$grid->disableRowSelector();

        	$grid->model()->where('supplier_id', Admin::user()->id);

            $grid->column('id')->sortable();
            $grid->column('type')->using(admin_trans('product.options.publish_type'));
            $grid->column('category.name', '分类');
            $grid->column('title')->limit(15);
            $grid->column('picture')->image('', 60,60);
            $grid->column('price');
            $grid->column('original_price');
            $grid->column('stock');
            $grid->column('sale');
			$grid->column('status')
				/*->if(fn() => in_array($this->status, [ProductStatus::SOLD_OUT, ProductStatus::ON_SALE]))
				->using([ProductStatus::SOLD_OUT => 0, ProductStatus::ON_SALE => 1])
				->switch()
				->else()*/
				->using(ProductStatus::array());
            $grid->column('service_persons');
            $grid->column('min_sale');
            $grid->column('created_at');

            $grid->filter(function (Grid\Filter $filter) {
                $filter->equal('id')->width(2);

            });
        });
    }

    /**
     * Make a show builder.
     *
     * @param mixed $id
     *
     * @return Show
     */
    protected function detail($id)
    {
        return Show::make($id, new IndustryProduct(['category:id,name']), function (Show $show) {
			$show->disableDeleteButton();

			//不允许查看非自己的数据
			if ($show->model()->supplier_id != Admin::user()->id) {
				Admin::exit('数据不存在');
			}

			$show->field('id');
            $show->field('type')->using(admin_trans('product.options.publish_type'));
            $show->field('category.name', '分类');
            $show->field('title');
            $show->field('pictures')->image('', 80, 80);
            $show->field('price');
            $show->field('original_price');
            $show->field('stock');
            $show->field('sale');
            $show->field('status')->using(ProductStatus::array());
			$show->field('know')->unescape()->as(fn($v) => preg_replace('/<script.*?>.*?<\/script>/is', '', $v));
			$show->field('content')->unescape()->as(fn($v) => preg_replace('/<script.*?>.*?<\/script>/is', '', $v));
            $show->field('service_persons');
            $show->field('min_sale');
            $show->field('verify_mobile');
            $show->field('created_at');
            $show->field('updated_at');
        });
    }

    /**
     * Make a form builder.
     *
     * @return Form
     */
    protected function form()
    {
		Admin::user()->publish_type = json_decode(Admin::user()->publish_type, true);

		//注：这2个变量需要通过引用方式传值才可以
		$change_deposit = 0; //变动的
		$old_deposit = 0; //原来交易金数

		return Form::make(new IndustryProduct(), function (Form $form) {
			$form->disableDeleteButton();

            $form->display('id');

			$options = Category::selectOptions(fn($query) => $query->where('agent_id', 0));
			$form->select('category_id')->options(array_slice($options, 1, null, true))->required();
            $form->text('title')->required();
            $form->currency('price')->required();
            $form->currency('original_price')->required();
			$form->number('service_persons')->min(0)->required()->help('所需交易金 = 单库存服务用户数 x 库存 x ' . SystemSetting::val('single', 'price'));
            $form->number('stock')->required()->help('所需交易金 = 单库存服务用户数 x 库存 x ' . SystemSetting::val('single', 'price'));
			$form->number('min_sale')->min(1)->required();
			if ($form->isEditing() && in_array($form->model()->status, [ProductStatus::SOLD_OUT, ProductStatus::ON_SALE])) {
				$form->radio('status')->options([1 => '上架', -2 => '下架'])->default(1);
			}
			$form->multipleImage('pictures')->required();
            $form->editor('know');
            $form->editor('content')->required();
            $form->mobile('verify_mobile')->required();

			//扩展字段
			$publish_type = array_intersect_key(
				admin_trans('product.options.publish_type'),
				array_flip(Admin::user()->publish_type)
			);

			//0:旅游线路、1:酒店、2:景区、3:餐厅、4:车队、5:单项
			$form->radio('type', '产品类型')
				->options($publish_type)->disable($form->isEditing())
				->default(current(Admin::user()->publish_type))
				->when(0, function (Form $form) { //旅游线路
					if ($form->isEditing() && $form->model()->type != 0) {
						return;
					}
					$form->text('extends.field_0_departure_place', '出发地');
					$form->map('extends.field_0_departure_place_latitude', 'extends.field_0_departure_place_longitude', '出发地位置');

					$form->text('extends.field_0_destination', '目的地');
					$form->map('extends.field_0_destination_latitude', 'extends.field_0_destination_longitude', '目的地位置');

					$form->table('extends.field_0_project', '包含项目', function (NestedForm $table) {
						$table->text('name', '字段1');
						$table->text('num', '字段2');
						$table->text('price', '字段3');
					})->help('第一行数据默认是表头，如：项目名称、数量、额外费用');

					$form->dateRange('extends.field_0_date.start', 'extends.field_0_date.end', '行程时间');
				})->when(1, function (Form $form) { //酒店
					if ($form->isEditing() && $form->model()->type != 1) {
						return;
					}
					$default = [
						['tag' => '行李寄存'], ['tag' => '24小时前台'], ['tag' => '前台保险柜'], ['tag' => '唤醒服务'],
						['tag' => '早餐'], ['tag' => '送餐服务'], ['tag' => '电梯'], ['tag' => '空调'],
						['tag' => '新风系统'], ['tag' => '24小时热水'], ['tag' => '吹风机'], ['tag' => '加湿器'],
						['tag' => '自动售货机'], ['tag' => '健身房'], ['tag' => '桌球室'], ['tag' => '洗衣服务']
					];
					$form->table('extends.field_1_tags', '酒店设施', function (NestedForm $table) {
						$table->text('tag', '包含项目')->placeholder('如：24小时热水、干洗服务等');
					})->value($default)->help('首次创建时，系统会默认填充基本服务，请根据本酒店情况进行删减或新增');

					$form->text('extends.field_1_name', '酒店名');
					$form->text('extends.field_1_address', '地址');
					$form->map('extends.field_1_latitude', 'extends.field_1_longitude', '位置');
				})->when(2, function (Form $form) { //景区
					if ($form->isEditing() && $form->model()->type != 2) {
						return;
					}
					$form->table('extends.field_2_open_time', '开放时间', function (NestedForm $table) {
						$table->text('node', '字段1')->placeholder('如：周一至周五');
						$table->text('summer', '字段2')->placeholder('如：08:00~19:00');
						$table->text('winter', '字段3')->placeholder('如：08:00~18:00');
					})->help('第一行数据默认是表头，如：项目名称、数量、额外费用');

					$form->table('extends.field_2_project', '包含项目', function (NestedForm $table) {
						$table->text('name', '字段1');
						$table->text('num', '字段2');
						$table->text('price', '字段3');
					})->help('第一行数据默认是表头，如：项目名称、数量、额外费用');

					$form->text('extends.field_2_name', '景区名');
					$form->text('extends.field_2_address', '地址');
					$form->map('extends.field_2_latitude', 'extends.field_2_longitude', '位置');
				})->when(3, function (Form $form) { //餐厅
					if ($form->isEditing() && $form->model()->type != 3) {
						return;
					}
					$form->table('extends.field_3_open_time', '开放时间', function (NestedForm $table) {
						$table->text('week', '字段1')->placeholder('如：周一至周五');
						$table->text('section', '字段2')->placeholder('如：上午/下午');
						$table->text('time', '字段3')->placeholder('如：08:00~18:00');
					})->help('第一行数据默认是表头，如：项目名称、数量、额外费用');

					$form->table('extends.field_3_package', '包含套餐', function (NestedForm $table) {
						$table->text('name', '字段1')->placeholder('如：清蒸鱿鱼');
						$table->text('num', '字段2')->placeholder('如：1条');
						$table->text('price', '字段3')->placeholder('如：99元');
					})->help('第一行数据默认是表头，如：项目名称、数量、额外费用');

					$form->text('extends.field_3_name', '餐厅名');
					$form->text('extends.field_3_address', '地址');
					$form->map('extends.field_3_latitude', 'extends.field_3_longitude', '位置');
				})->when(4, function (Form $form) { //车队
					$form->text('extends.field_4_address', '地址');
					$form->map('extends.field_4_latitude', 'extends.field_4_longitude', '位置');
				})->when(5, function (Form $form) { //单项
					$form->text('extends.field_5_address', '地址');
					$form->map('extends.field_5_latitude', 'extends.field_5_longitude', '位置');
				});
        })->saving(function (Form $form) use (&$change_deposit, &$old_deposit) {
			//不允许编辑非自己数据
			if ($form->isEditing() && $form->model()->supplier_id != Admin::user()->id) {
				return $form->response()->error('数据不存在');
			}

			if ($form->isCreating()) {
				if (!Admin::user()->publish_type || !in_array($form->type, Admin::user()->publish_type)) {
					return $form->response()->error('对不起，你没有此类产品的发布、编辑权限');
				}
			} else if ($form->isEditing()) { //type不允许编辑
				$form->deleteInput('type');
			}

        	//处理交易金
			$single = SystemSetting::val('single', 'price'); //单人头交易费
			if (!$single) {
				return $form->response()->error('未设置单人头交易费，请联系管理员在后台设置');
			}

			//用户可编辑的状态
			$user_status = [ProductStatus::SOLD_OUT, ProductStatus::ON_SALE];

			//目前逻辑不考虑总后台修改单人头交易费的情况
			if ($form->isCreating()) {
				$change_deposit = $single * $form->service_persons * $form->stock;

				$form->hidden(['status', 'supplier_id']);
				$form->supplier_id = Admin::user()->id;
				$form->status = ProductStatus::UNAUDITED;
			}
			//库存和单库存服务用户数变动时冻结或解冻相应的保证金
			else if ($form->isEditing()) {
				if (!in_array($form->model()->status, $user_status) || !in_array($form->status, $user_status)) {
					$form->deleteInput('status');
				}

				//只处理原来状态是下架或上架用户可编辑的状态，否则后台未审核又多次编辑将出错
				if (in_array($form->model()->status, $user_status)) {
					//原来的单库存服务用户数及库存计算出来的值，如果是未审核状态要返回去
					$old_deposit = $single * $form->model()->service_persons * $form->model()->stock;

					//编辑库存或单库存服务用户数
					if ($form->model()->stock != $form->stock || $form->model()->service_persons != $form->service_persons) {
						$new_deposit = $single * $form->service_persons * $form->stock; //新的单库存服务用户数及库存计算出来的值
						$change_deposit = $new_deposit - $old_deposit; //saved里面获取的$form->model()->stock是不对的
					}
				}

				//因extends是数组，具有一定的特殊性，不能直接用$form->saved方法中的wasChanged判断是否修改，所以只能在这里做特殊处理
				if (!is_null($form->extends)) {
					$old_extends = array_filter($form->model()->extends, fn($v, $k) => str_contains($k, 'field_' . $form->model()->type) && !empty($v), ARRAY_FILTER_USE_BOTH);
					$new_extends = array_filter($form->extends, fn($v, $k) => str_contains($k, 'field_' . $form->model()->type) && !empty($v), ARRAY_FILTER_USE_BOTH);

					$old = $new = [];
					array_walk_recursive($old_extends, function($v) use (&$old) {if ($v !== null) $old[] = $v;});
					array_walk_recursive($new_extends, function($v) use (&$new) {if ($v !== null) $new[] = $v;});

					if (array_diff($old, $new)) {
						$form->status = ProductStatus::UNAUDITED;
					}
				}
			}

			//判断可用交易金是否充足
			if (Admin::user()->deposit_normal < $change_deposit) {
				return $form->response()->error('当前可用交易金：' . Admin::user()->deposit_normal . "，你还需要充值{$change_deposit}交易金才能发布此产品");
			}

			//忽略字段
			$form->ignore(['id', 'sale', 'created_at', 'updated_at', 'deleted_at']);
		})->saved(function (Form $form, $result) use (&$change_deposit, &$old_deposit) {
			if ($form->isEditing()) {
				$supplier = Supplier::query()->find(Admin::user()->id); //不能使用Admin::user()修改，必须使用Supplier模型才能正确记录资金变动日志

				//如果修改了库存和单库存服务用户数
				$is_change = $form->model()->wasChanged(['title', 'price', 'original_price', 'pictures', 'know', 'content']); //有extends判断不准
				if ($is_change) {
					DB::beginTransaction();
					try {
						//将产品状态改为未审核
						$form->model()->update(['status' => ProductStatus::UNAUDITED]);

						//如果改变的交易金不是0，原来冻结过的交易金先全部返还，待总后台审核通过之后再做扣除处理
						$supplier->deposit_normal = $supplier->deposit_normal + $old_deposit; //正常交易金
						$supplier->deposit_frozen = $supplier->deposit_frozen - $old_deposit; //冻结交易金
						$supplier->save();

						DB::commit();
					} catch (\Exception $e) {
						DB::rollBack();
					}
				} else if ($change_deposit != 0) { //修改库存或单库存服务用户数，但不修改关键信息，增减交易金，$change_deposit无论是正数还是负数都一样计算
					$supplier->deposit_normal = $supplier->deposit_normal - $change_deposit; //正常交易金
					$supplier->deposit_frozen = $supplier->deposit_frozen + $change_deposit; //冻结交易金
					$supplier->save();
				}
			}
		})->deleting(function (Form $form) {
			//不允许删除非自己的数据
			if (array_filter($form->model()->toArray(), fn($v) => $v['supplier_id'] != Admin::user()->id)) {
				return $form->response()->error('数据不存在');
			}
		});
    }
}