<?php

namespace App\AdminAgent\Controllers;

use App\AdminAgent\Renderable\SelectAgentCloudProduct;
use App\AdminAgent\Renderable\SelectGuide;
use App\AdminAgent\Renderable\SelectProduct;
use App\AdminAgent\Repositories\AgentProduct;
use App\Common\AgentType;
use App\Common\ProductStatus;
use App\Models\AgentProductItem;
use App\Models\Category;
use App\Models\Channel;
use App\Models\Guide;
use App\Models\Product;
use App\Models\Supplier;
use Dcat\Admin\Admin;
use Dcat\Admin\Form;
use Dcat\Admin\Grid;
use Dcat\Admin\Show;
use Dcat\Admin\Http\Controllers\AdminController;

class AgentProductController extends AdminController
{
    /**
     * Make a grid builder.
     *
     * @return Grid
     */
    protected function grid()
    {
        return Grid::make(new AgentProduct(['product.supplier:id,name', 'category:id,name']), function (Grid $grid) {
			$agent_id = Admin::user()->id;
        	$grid->model()->where('agent_id', $agent_id);

            $grid->column('id')->sortable();
            $grid->column('picture', '产品图片')->image('', 60, 60);
            $grid->column('title', '产品名称')->limit(15);
            $grid->column('price');
            $grid->column('original_price');
            $grid->column('sale');
            $grid->column('stock')->editable();

			$channels = Channel::where('agent_id', $agent_id)->pluck('name', 'id')->toArray();
			$grid->column('channel_id', '频道')
				->display(function ($modal) use ($channels) {
					$data = array_flip(explode(',', $this->channel_id));
					return join('，',array_intersect_key($channels, $data));
				})
				->limit(10);
			$grid->column('category.name', '分类');
			/*$grid->column('product_ids', '产品详情')
				->display('查看')
				->modal(function ($modal) {
					$titles = ['供应商', '产品标题', '产品图片', '原价', '现价', '销量', '库存'];
					$pic = isset($this->product->picture)
						? "<img data-action=\"preview-img\" src=\"{$this->product->picture}\" style=\"max-width:80px;max-height:200px;cursor:pointer\" class=\"img img-thumbnail\">"
						: '';
					$data = [[
						$this->product->supplier->name ?? '',
						$this->product->title ?? '',
						$pic,
						$this->product->original_price ?? '',
						$this->product->price ?? '',
						$this->product->sale ?? '',
						$this->product->stock ?? '',
					]];
					return Table::make($titles, $data);
				});*/

			$grid->column('status')->help('切换开关可改变上下架状态')
				->if(fn() => in_array($this->status, [ProductStatus::SOLD_OUT, ProductStatus::ON_SALE]))
				->using([ProductStatus::SOLD_OUT => 0, ProductStatus::ON_SALE => 1])
				->switch()
				->else()
				->using(ProductStatus::array());
			if (Admin::user()->type != AgentType::CLUSTER) {
				$grid->column('is_rec')->switch()->help('推荐后将在“我的”页面下方显示');
			}
            $grid->column('updated_at');

            $grid->filter(function (Grid\Filter $filter) {
				$filter->panel();

				$filter->model()->where('agent_id', Admin::user()->id);

				$filter->equal('id')->width(2);
				$filter->like('product.title', '产品标题')->width(3);
				$filter->equal('status')->select(ProductStatus::array())->width(2);

				$options = Supplier::where('status', 1)->pluck('name', 'id')->toArray();
				$filter->equal('product.supplier_Id', '供应商')->select($options)->width(2);
            });
        });
    }

    /**
     * Make a show builder.
     *
     * @param mixed $id
     *
     * @return Show
     */
    protected function detail($id)
    {
        return Show::make($id, new AgentProduct(['agent:id,name', 'category:id,name', 'product.supplier:id,name', 'guide:id,name']), function (Show $show) {
			//不允许查看非自己的数据
			if ($show->model()->agent_id != Admin::user()->id) {
				Admin::exit('数据不存在');
			}

			$show->field('id');
            $show->field('agent_id');
            $show->field('product_id');
            $show->field('price');
            $show->field('original_price');
            $show->field('sale');
            $show->field('stock');
            $show->field('category.name', '分类');
            $show->field('status')->using(ProductStatus::array());
			if (Admin::user()->type == AgentType::CLUSTER) {
				$show->field('guide.name', '地接');
			}
            $show->field('title');
            $show->field('pictures')->image('', 80, 80);
            $show->field('know')->unescape();
            $show->field('content')->unescape();
			if (Admin::user()->type != AgentType::CLUSTER) {
				$show->field('is_rec')->using(['未推荐', '已推荐']);
				$show->field('channel_id');
				$show->field('earnest');
				$show->field('earnest_timeout');
				$show->field('deposit');
				$show->field('deposit_timeout');
			}
            $show->field('created_at');
            $show->field('updated_at');

			/*$show->html(Alert::make(null, '供应商产品详情')->info()); 因为可能是组合销售多个产品，这里暂时不显示

			$show->field('product.id', '供应商产品ID');
			$show->field('product.supplier.name');
			$show->field('product.title');
			$show->field('product.pictures')->image('', 80, 80);
			$show->field('product.original_price');
			$show->field('product.price');
			$show->field('product.sale');
			$show->field('product.stock');
			$show->field('product.created_at', '创建时间');
			$show->field('product.updated_at', '更新时间');*/
		});
    }

    /**
     * Make a form builder.
     *
     * @return Form
     */
    protected function form()
    {
        return Form::make(new AgentProduct(), function (Form $form) {
			$agent_id = Admin::user()->id;
			//不允许查看非自己的数据
			if ($form->isEditing() && $form->model()->agent_id != Admin::user()->id) {
				return $form->response()->error('数据不存在');
			}

			$form->display('id');

			//组团版旅行社不允许选择组团云产品
			if (Admin::user()->type == AgentType::CLUSTER) {
				$form->hidden('product_id')->value(0)->default(0);
				$form->hidden('type')->value(1)->default(1);
				/** 组合销售 **/
				$form->multipleSelectTable('product_ids', '供应商产品')
					->help('请选择两个或两个以上的产品组合销售')
					->title('选择产品')
					->dialogWidth('80%;min-width:825px;')
					->from(SelectProduct::make())
					->model(Product::class);

				/** 自定义内容 **/
				$form->text('title');
				$form->multipleImage('pictures')->removable(false)->uniqueName();
				$form->editor('know');
				$form->editor('content');
			} else {
				$form->radio('type')
					->options(['单品销售', '组合销售', '组团云产品'])
					->default(Admin::user()->type == AgentType::CLUSTER ? 1 : 0)->required()
					->help('单品销售无需审核，组合销售需要审核才能上架')
					->when(0, function (Form $form) {
						/** 单品销售 **/
						$form->selectTable('product_id', '供应商产品')
							->help('产品列表显示的是该产品的标题和图片')
							->title('选择产品')
							->dialogWidth('80%;min-width:825px;')
							->from(SelectProduct::make())
							->model(Product::class);
					})->when(1, function (Form $form) {
						/** 组合销售 **/
						$form->multipleSelectTable('product_ids', '供应商产品')
							->help('可单选或多选组合销售')
							->title('选择产品')
							->dialogWidth('80%;min-width:825px;')
							->from(SelectProduct::make())
							->model(Product::class);

						/** 自定义内容 **/
						$form->text('title');
						$form->multipleImage('pictures')->removable(false)->uniqueName();
						$form->editor('know');
						$form->editor('content');
					})->when(2, function (Form $form) {
						/** 组团云产品 **/
						$form->selectTable('agent_cloud_pid', '组团云产品')
							->help('产品列表显示的是该产品的标题和图片')
							->title('选择产品')
							->dialogWidth('80%;min-width:825px;')
							->from(SelectAgentCloudProduct::make())
							->model(\App\Models\AgentProduct::class);
					});
			}
			$form->number('price')->min(0)->required();
            $form->number('original_price')->min(0)->required();
            $form->number('sale')->min(0)->default(0);
            $form->number('stock')->min(0)->default(8888)->required();

			$options = Category::selectOptions(fn($query) => $query->where('agent_id', $agent_id));
            $form->select('category_id')
				->options(array_slice($options, 1, null, true))
				->required();

            if ($form->isEditing() && in_array($form->model()->status, [ProductStatus::UNAUDITED, ProductStatus::REFUSE])) {
				$form->display('status')->customFormat(fn($v) => ProductStatus::array()[$form->model()->status]);
			} else {
				$form->radio('status')
					->default(ProductStatus::ON_SALE)
					->options([
						ProductStatus::ON_SALE => '上架',
						ProductStatus::SOLD_OUT => '下架',
					])
					->required();
			}
			//$form->selectTable('verifier')
			//	->title('选择核销人员')
			//	->dialogWidth('50%;min-width:600px;') //不起作用
			//	->from(SelectUser::make(['is_verify' => 1]))
			//	->model(User::class, 'id', 'nickname')
			//	->customFormat(fn($v) => !$v ? '' : $v)
			//	->required();

			//组团版旅行社可以选择地接
			if (Admin::user()->type == AgentType::CLUSTER) {
				$form->selectTable('guide_id', '地接人员')
					->title('选择地接人员')
					->dialogWidth('50%;min-width:600px;') //不起作用
					->from(SelectGuide::make())
					->model(Guide::class, 'id', 'name');
				$form->confirm('提示', '如果修改了标题、价格、产品图片、旅游须知、产品详情需要重新审核，同时<span class="btn-danger">下架所有</span>关联的代理商产品，是否继续？');
			} else {
				$form->switch('is_rec')->help('推荐后将在小程序“我的”页面下方显示');

				$options = Channel::selectOptions(fn($query) => $query->where('agent_id', $agent_id));
				$form->multipleSelect('channel_id')->options(array_slice($options, 1, null, true));

				$form->number('earnest')->min(0)
					->default(0)->help('单位：元。不输入或输入 0 则不支持定金支付，必须和定金超时时间同时设置才会生效');
				$form->number('earnest_timeout')->min(0)
					->default(0)->help('单位：分钟。超过这个时间未支付，订单将自动关闭');
				$form->number('deposit')->min(0)
					->default(0)->help('单位：元。不输入或输入 0 则不支持订金支付，必须和订金超时时间同时设置才会生效');
				$form->number('deposit_timeout')->min(0)
					->default(0)->help('单位：分钟。超过这个时间未支付，订单将自动关闭');
			}
        })->saving(function (Form $form) {
			//不允许修改非自己的数据
			if ($form->isEditing() && $form->model()->agent_id != Admin::user()->id) {
				return $form->response()->error('数据不存在');
			}

			if ($form->isEditing() && $form->product_id === null && $form->product_ids === null) {
				//推荐按钮开关
				if ($form->is_rec !== null) {
					$form->model()->is_rec = $form->is_rec ? 1 : 0;
					$form->model()->save();
					return $form->response()->success('更新成功！');
				}

				if ($form->stock !== null || $form->status !== null) {
					$ids = explode(',', $form->model()->product_ids);
					$count = Product::where([['status', '=', ProductStatus::ON_SALE], ['stock', '>=', $form->model()->stock]])
						->whereIn('id', $ids)->count();
					if (count($ids) != $count) {
						return $form->response()->error('供应商产品已下架或库存不足！');
					}

					//修改库存
					if ($form->stock !== null) {
						$form->model()->stock = $form->stock;
						$form->model()->save();
						return $form->response()->success('更新成功！');
					}
					//上下架状态按钮开关
					if ($form->status !== null) {
						//待审核和拒绝的状态不允许修改
						if (in_array($form->model()->status, [ProductStatus::UNAUDITED, ProductStatus::REFUSE])) {
							return $form->response()->error('产品待审核或审核拒绝，不允许修改！');
						}

						//组团云产品处理
						if ($form->type == 2) {
							$cloud_product = AgentProduct::find($form->agent_cloud_pid);
							if (!$cloud_product || $cloud_product->status != ProductStatus::ON_SALE) {
								return $form->response()->error('你选择的组团云产品状态异常，上架失败！');
							}
						}

						$form->model()->status = $form->status == 1 ? ProductStatus::ON_SALE : ProductStatus::SOLD_OUT;
						$form->model()->save();
						return $form->response()->success('更新成功！');
					}
				}
			}

			if (is_null($form->type)) {
				return $form->response()->error('请选择销售类型！');
			}
			//单品销售
			if ($form->type == 0) {
				$form->product_id = (int)$form->product_id;
				if (!$form->product_id) {
					return $form->response()->error('请选择产品');
				}
				$form->product_ids =  $form->product_id;

				//将供应商产品写入title,pictures,know,content
				$product = Product::find($form->product_id);
				if ($product->status != ProductStatus::ON_SALE) {
					return $form->response()->error('产品ID '. $form->product_id .' 已下架');
				} else if ($product->stock < $form->stock) {
					return $form->response()->error("供应商当前库存为{$product->stock}，你设置的库存不能超过该数值");
				}
				$form->title = $product->title;
				$form->pictures = $product->pictures;
				$form->know = $product->know;
				$form->content = $product->content;
			}
			//组合销售
			else if ($form->type == 1) {
				if (!$form->product_ids) {
					return $form->response()->error('请选择产品');
				}
				$product_ids = explode(',', $form->product_ids);

				if (count($product_ids) < 2) {
					return $form->response()->error('组合销售必须选择两个以上产品，否则请选择单品销售');
				}
				$form->product_id = $product_ids[0];

				$required_fields = ['title', 'pictures', 'know', 'content'];
				foreach ($required_fields as $field) {
					if (!$form->$field) {
						return $form->response()->error('内容输入不完整，标题、产品图片、旅游须知、产品详情必填');
					}
				}

				//判断供应商产品是否存在或下架
				$not_in_id = Product::query()
					->whereIn('id', $product_ids)
					->where(function ($query) use ($form) {
						$query->where('status', '<>', ProductStatus::ON_SALE)
							->orWhere('stock', '<', $form->stock);
					})
					->pluck('id')
					->toArray();
				if ($not_in_id) {
					return $form->response()->error('产品ID ' . join('，', $not_in_id) . ' 库存小于你设置的库存' . $form->stock . '，或不存在、已下架等');
				}

				//如果是组团版旅行社，标记为是云产品
				if (Admin::user()->type == AgentType::CLUSTER) {
					$form->hidden('is_cloud');
					$form->is_cloud = 1;
				}
			}
			//组团云产品
			else if ($form->type == 2) {
				$form->agent_cloud_pid = (int)$form->agent_cloud_pid;
				if (!$form->agent_cloud_pid) {
					return $form->response()->error('请选择产品');
				}

				//产品信息预判断
				$cloud_product = \App\Models\AgentProduct::where([
					['stock', '>', 0],
					['status', '=', ProductStatus::ON_SALE],
					['is_cloud', '=', 1],
					['type', '=', 1],
					['agent_id', '<>', Admin::user()->id],
				])->find($form->agent_cloud_pid);

				if (!$cloud_product) {
					return $form->response()->error('你选择的组团云产品库存不足或已下架，请重新选择');
				} else if ($cloud_product->stock < $form->stock) {
					return $form->response()->error("组团云产品当前库存为{$cloud_product->stock}，你设置的库存不能超过该数值");
				}

				//同步关键字段信息
				$form->product_id =  $cloud_product->product_id;
				$form->product_ids =  $cloud_product->product_ids;
				$form->guide_id =  $cloud_product->guide_id;
				$form->title = $cloud_product->title;
				$form->pictures = $cloud_product->pictures;
				$form->know = $cloud_product->know;
				$form->content = $cloud_product->content;
			} else {
				return $form->response()->error('不存在此销售方式');
			}

			$agent_id = Admin::user()->id;
			//处理特殊字段
			$form->hidden(['agent_id', 'status']); //表单没有的字段，必须加这句才能够重写
			$form->agent_id = $agent_id;
			$form->agent_cloud_pid = $form->type ==2 ? ($form->agent_cloud_pid ?? 0) : 0;
			if (array_key_exists('guide_id', $form->input())) {
				$form->guide_id = $form->guide_id ?? 0;
			}
			//组合销售需要审核，编辑时是否需要审核在saved里面判断
			if ($form->type == 1) {
				if ($form->isCreating()) {
					$form->status = ProductStatus::UNAUDITED;
				} else if ($form->isEditing() && in_array($form->model()->status, [ProductStatus::UNAUDITED, ProductStatus::REFUSE])) {
					$form->deleteInput('status'); //待审核和拒绝的状态不允许修改
				}
			} else {
				$form->status = $form->status == ProductStatus::ON_SALE ? ProductStatus::ON_SALE : ProductStatus::SOLD_OUT;
			}

			//订金
			if ($form->earnest <= 0 || $form->earnest_timeout <= 0) {
				$form->earnest = 0;
				$form->earnest_timeout = 0;
			} else if ($form->earnest > $form->price) {
				return $form->response()->error('订金不能大于商品价');
			}

			//定金
			if ($form->deposit <= 0 || $form->deposit_timeout <= 0) {
				$form->deposit = 0;
				$form->deposit_timeout = 0;
			} else if ($form->earnest > $form->price) {
				return $form->response()->error('定金不能大于商品价');
			}

			//不允许编辑的字段
			$form->ignore(['id', 'agent_id', 'status', 'created_at', 'updated_at', 'deleted_at']);

			//判断是否重复发布产品
			$where = [
				['agent_id', '=', $agent_id],
				['product_id', '=', $form->product_id],
				['product_ids', '=', $form->product_ids],
			];
			if ($form->isEditing()) {
				$where[] = ['id', '<>', $form->getKey()];
			}
			if ($id = $form->repository()->model()->where($where)->value('id')) {
				return $form->response()->error("你发布的产品ID {$id} 与本产品重复，请检查");
			}
		})->saved(function (Form $form) {
			/** 保存到组合产品明细，先查询出之前明细，再跟新的比较，若没有则删除，新的产品原来明细表没有的，则插入 **/
			$product_ids = explode(',', $form->product_ids);
			$agent_product_id = $form->getKey();

			$product = Product::whereIn('id', $product_ids)->orderBy('id')
				->get(['id AS product_id', 'supplier_id'])->toArray();

			$insert_data = array_map(function ($v) use ($agent_product_id) {
				$v['agent_product_id'] = $agent_product_id;
				$v['agent_id'] = Admin::user()->id;
				return $v;
			}, $product);

			//组合产品编辑关键字段需要审核
			if ($form->isEditing() && $form->model()->wasChanged(['title', 'pictures', 'know', 'content'])) {
				$form->model()->update(['status' => ProductStatus::UNAUDITED]);
			}

			if ($form->isCreating()) {
				AgentProductItem::insert($insert_data);
			} else if ($form->isEditing()) {
				//删除原来有，但现在没有的数据
				AgentProductItem::query()
					->where('agent_product_id', $agent_product_id)
					->whereNotIn('product_id', $product_ids)->delete();

				//插入原来没有，但是现在有的数据
				foreach ($insert_data as $v) {
					AgentProductItem::query()->firstOrCreate(
						['agent_product_id' => $agent_product_id, 'product_id' => $v['product_id']],
						$v
					);
				}
			}

			//如果是组团云产品，且处于上架状态，同步信息到其它产品，否则下架所有关联的产品
			if ($form->is_cloud) {
				if ($form->status == ProductStatus::ON_SALE) {
					$data = [
						'product_id' => $form->product_id,
						'product_ids' => $form->product_ids,
						'guide_id' => $form->guide_id,
						'title' => $form->title,
						'pictures' => explode(',', $form->pictures),
						'know' => $form->know,
						'content' => $form->content,
					];
				} else {
					$data = ['status' => ProductStatus::SOLD_OUT];
				}
				\App\Models\AgentProduct::query()
					->where(['agent_cloud_pid' => $form->getKey(), 'type' => 2])
					->update($data);
			}
		})->deleting(function (Form $form) {
			//不允许删除非自己的数据
			if (array_filter($form->model()->toArray(), fn($v) => $v['agent_id'] != Admin::user()->id)) {
				return $form->response()->error('数据不存在');
			}

			//处理组合产品明细表
			$ids = array_column($form->model()->toArray(),'id');
			AgentProductItem::query()->whereIn('agent_product_id',$ids)->delete();
		});
    }
}