<?php

namespace app\operations\controller\plus\groupbuy;

use app\operations\controller\Controller;
use app\operations\model\plus\groupbuy\Product as ProductModel;
use app\common\model\product\Product as CommonProductModel;

/**
 * 商家端团购商品控制器
 */
class Product extends Controller
{
    /**
     * 团购商品列表
     */
    public function index()
    {
        $model = new ProductModel();
        $list = $model->getList($this->postData());
        return $this->renderSuccess('', compact('list'));
    }

    /**
     * 添加团购商品
     */
    public function add()
    {
        if ($this->request->isGet()) {
            // 获取店铺的商品列表用于选择
            $commonProductModel = new CommonProductModel();
            $postData = $this->postData();
            $postData['shop_supplier_id'] = $this->getSupplierId();
            $productList = $commonProductModel->getList($postData);
            return $this->renderSuccess('', compact('productList'));
        }
        
        $model = new ProductModel();
        $data = $this->postData();
        
        // 如果传递的是批量数据，则处理多个商品
        if (isset($data['product_list']) && is_array($data['product_list']) && count($data['product_list']) > 0) {
            // 处理批量添加
            $successCount = 0;
            $errors = [];
            
            foreach ($data['product_list'] as $productData) {
                $productData['shop_supplier_id'] = $this->getSupplierId();
                if ($model->add($productData)) {
                    $successCount++;
                } else {
                    $errors[] = "商品ID {$productData['product_id']} 添加失败: " . $model->getError();
                }
            }
            
            if ($successCount > 0) {
                $message = "成功添加 {$successCount} 个商品";
                if (!empty($errors)) {
                    $message .= ", 部分商品添加失败: " . implode(', ', $errors);
                    return $this->renderSuccess($message);
                }
                return $this->renderSuccess($message);
            } else {
                return $this->renderError('所有商品添加失败: ' . implode(', ', $errors));
            }
        } else {
            // 单个商品添加
            $data['shop_supplier_id'] = $this->getSupplierId();
            if ($model->add($data)) {
                return $this->renderSuccess('添加成功');
            }
            return $this->renderError($model->getError() ?: '添加失败');
        }
    }

    /**
     * 编辑团购商品
     */
    public function edit()
    {
        $groupbuy_product_id = $this->request->param('groupbuy_product_id');
        if (empty($groupbuy_product_id)) {
            return $this->renderError('缺少必要参数：groupbuy_product_id');
        }
        
        $model = ProductModel::detail($groupbuy_product_id, [
            'product', 'groupbuySku'
        ]);
        if (!$model) {
            return $this->renderError('团购商品不存在');
        }
        
        // 验证权限 - 商家端可以编辑所有商品，不需要权限验证
        /*
        if ($model['shop_supplier_id'] != $this->getStoreId()) {
            return $this->renderError('没有权限操作此商品');
        }
        */
        
        if ($this->request->isGet()) {
            return $this->renderSuccess('', compact('model'));
        }
        
        $data = $this->postData();
        if ($model->edit($data)) {
            return $this->renderSuccess('更新成功');
        }
        return $this->renderError($model->getError() ?: '更新失败');
    }

    /**
     * 删除团购商品
     */
    public function delete()
    {
        $groupbuy_product_id = $this->request->param('groupbuy_product_id');
        if (empty($groupbuy_product_id)) {
            return $this->renderError('缺少必要参数：groupbuy_product_id');
        }
        
        $model = ProductModel::detail($groupbuy_product_id);
        if (!$model) {
            return $this->renderError('团购商品不存在');
        }
        
        // 验证权限 - 商家端可以删除所有商品，不需要权限验证
        /*
        if ($model['shop_supplier_id'] != $this->getStoreId()) {
            return $this->renderError('没有权限操作此商品');
        }
        */
        
        if ($model->remove()) {
            return $this->renderSuccess('删除成功');
        }
        return $this->renderError('删除失败');
    }

    /**
     * 获取团购商品详情
     */
    public function detail()
    {
        $groupbuy_product_id = $this->request->param('groupbuy_product_id');
        if (empty($groupbuy_product_id)) {
            return $this->renderError('缺少必要参数：groupbuy_product_id');
        }
        
        $model = ProductModel::detail($groupbuy_product_id, [
            'product', 'groupbuySku', 'active'
        ]);
        if (!$model) {
            return $this->renderError('团购商品不存在');
        }
        
        // 验证权限 - 商家端可以查看所有商品，不需要权限验证
        /*
        if ($model['shop_supplier_id'] != $this->getStoreId()) {
            return $this->renderError('没有权限查看此商品');
        }
        */
        
        return $this->renderSuccess('', compact('model'));
    }
}