<?php
// +----------------------------------------------------------------------
// | 萤火商城系统 [ 致力于通过产品和服务，帮助商家高效化开拓市场 ]
// +----------------------------------------------------------------------
// | Copyright (c) 2017~2023 https://www.yiovo.com All rights reserved.
// +----------------------------------------------------------------------
// | Licensed 这不是一个自由软件，不允许对程序代码以任何形式任何目的的再发行
// +----------------------------------------------------------------------
// | Author: 萤火科技 <admin@yiovo.com>
// +----------------------------------------------------------------------
declare (strict_types=1);

namespace app\job\service\goods;

use app\common\library\helper;
use app\common\service\BaseService;
use app\common\model\Spec as SpecModel;
use app\common\model\Goods as GoodsModel;
use app\common\model\Category as CategoryModel;
use app\common\model\GoodsSku as GoodsSkuModel;
use app\common\model\Delivery as DeliveryModel;
use app\common\model\UploadFile as UploadFileModel;
use app\common\model\GoodsImage as GoodsImageModel;
use app\common\model\goods\Import as GoodsImportModel;
use app\common\model\GoodsSpecRel as GoodsSpecRelModel;
use app\common\model\goods\Service as GoodsServiceModel;
use app\common\model\goods\ServiceRel as GoodsServiceRelModel;
use app\common\model\GoodsCategoryRel as GoodsCategoryRelModel;
use app\common\enum\goods\Status as GoodsStatusEnum;
use app\common\enum\goods\GoodsType as GoodsTypeEnum;
use app\common\enum\goods\SpecType as GoodsSpecTypeEnum;
use app\common\enum\goods\ImportStatus as GoodsImportStatusEnum;
use app\common\enum\goods\DeductStockType as DeductStockTypeEnum;
use app\common\validate\goods\Import as GoodsImportValidate;
use cores\exception\BaseException;

/**
 * 服务类：商品批量导入
 * Class Import
 * @package app\job\service\goods
 */
class Import extends BaseService
{
    /**
     * 错误日志记录
     * @var array
     */
    private array $errorLog = [];

    /**
     * 导入成功的数量
     * @var int
     */
    private int $successCount = 0;

    /**
     * 商品主信息字段映射
     * @var string[]
     */
    private array $mapGoods = [
        'goods_name' => 'B',
        'goods_no' => 'C',
        'categoryIds' => 'D',
        'imagesIds' => 'E',
        'delivery_id' => 'F',
        'status' => 'G',
        'sort' => 'N',
        'deduct_stock_type' => 'O',
        'sales_initial' => 'P',
        'serviceIds' => 'Q',
        'is_points_gift' => 'R',
        'is_points_discount' => 'S',
        'is_enable_grade' => 'T',
    ];

    /**
     * 商品SKU字段映射
     * @var string[]
     */
    private array $mapSku = [
        'specText' => 'H',
        'goods_price' => 'I',
        'line_price' => 'J',
        'stock_num' => 'K',
        'goods_weight' => 'L',
        'goods_sku_no' => 'M',
    ];

    /**
     * 批量导入商品
     * @param array $list
     * @param int $recordId
     * @param int $storeId
     * @return bool
     * @throws BaseException
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\DbException
     * @throws \think\db\exception\ModelNotFoundException
     */
    public function batch(array $list, int $recordId, int $storeId): bool
    {
        foreach ($list as $item) {
            // 生成商品数据（用于写入数据库）
            $data = $this->createData($item, $storeId);
            // 数据验证
            if (!$this->validateGoodsData($data, $storeId)) {
                $this->errorLog[] = ['goodsSn' => $item['A'], 'message' => $this->getError()];
                continue;
            }
            // 事务处理：添加商品
            $model = new GoodsModel();
            $model->transaction(function () use ($model, $data, $storeId) {
                // 添加商品
                $model->save($data);
                // 新增商品与分类关联
                GoodsCategoryRelModel::increased((int)$model['goods_id'], $data['categoryIds'], $storeId);
                // 新增商品与图片关联
                GoodsImageModel::increased((int)$model['goods_id'], $data['imagesIds'], $storeId);
                // 新增商品与规格关联
                GoodsSpecRelModel::increased((int)$model['goods_id'], $data['newSpecList'], $storeId);
                // 新增商品sku信息
                GoodsSkuModel::add((int)$model['goods_id'], $data['spec_type'], $data['newSkuList'], $storeId);
                // 新增服务与承诺关联
                GoodsServiceRelModel::increased((int)$model['goods_id'], $data['serviceIds'], $storeId);
            });
            // 记录导入成功
            $this->successCount++;
        }
        // 更新导入记录
        $this->updateRecord($recordId, \count($list));
        return true;
    }

    /**
     * 更新导入记录
     * @param int $recordId 商品导入记录ID
     * @param int $currentCount 当前任务导入的商品总量
     * @return void
     */
    private function updateRecord(int $recordId, int $currentCount)
    {
        // 获取导入记录
        $model = GoodsImportModel::detail($recordId);
        // 计算导入失败的数量
        $failCount = $currentCount - $this->successCount;
        // 更新导入记录
        $model->save([
            'success_count' => $model['success_count'] + $this->successCount,
            'fail_count' => $model['fail_count'] + $failCount,
            'fail_log' => array_merge($model['fail_log'], $this->errorLog),
        ]);
        // 判断是否为最后一次队列
        if ($model['total_count'] <= ($model['success_count'] + $model['fail_count'])) {
            $model->save(['end_time' => \time(), 'status' => GoodsImportStatusEnum::COMPLETED]);
        }
    }

    /**
     * 商品数据验证
     * @param array $data
     * @param int $storeId
     * @return bool
     */
    private function validateGoodsData(array $data, int $storeId): bool
    {
        // 验证商品信息：商品名称、分类ID集、图片ID集、运费模板ID
        $validate = new GoodsImportValidate;
        if (!$validate->scene('goods')->check($data)) {
            $this->setError($validate->getError());
            return false;
        }
        // 验证SKU信息：商品价格、库存数量、商品重量
        $skuList = $data['spec_type'] == GoodsSpecTypeEnum::MULTI ? $data['newSkuList'] : [$data['newSkuList']];
        foreach ($skuList as $item) {
            $validate = new GoodsImportValidate;
            if (!$validate->scene('skuInfo')->check($item)) {
                $this->setError($validate->getError());
                return false;
            }
        }
        // 验证运费模板ID是否存在
        if (!DeliveryModel::checkDeliveryId((int)$data['delivery_id'], $storeId)) {
            $this->setError('运费模板ID不存在');
            return false;
        }
        if ($data['spec_type'] == GoodsSpecTypeEnum::MULTI) {
            // 判断用户填写的SKU数量是否正确
            $shouldSkuTotal = SpecModel::calcSkuListTotal($data['specData']['specList']);
            $originalSkuTotal = \count($data['specData']['skuList']);
            if ($shouldSkuTotal !== $originalSkuTotal) {
                $this->setError('商品SKU数量不正确');
                return false;
            }
            // 判断商品SKU是否存在重复规格
            $goodsSkuIdArr = helper::getArrayColumn($data['newSkuList'], 'goods_sku_id');
            if (count($data['newSkuList']) != count(array_unique($goodsSkuIdArr))) {
                $this->setError('商品SKU存在重复的规格值');
                return false;
            }
        }
        return true;
    }

    /**
     * 生成商品数据（用于写入数据库）
     * @param array $original
     * @param int $storeId
     * @return array
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\DbException
     * @throws \think\db\exception\ModelNotFoundException
     */
    private function createData(array $original, int $storeId): array
    {
        // 商品规格
        $specType = isset($original['skuList']) ? GoodsSpecTypeEnum::MULTI : GoodsSpecTypeEnum::SINGLE;
        // 整理商品数据
        $data = [
            'goods_type' => GoodsTypeEnum::PHYSICAL,
            'goods_name' => $original[$this->mapGoods['goods_name']],
            'goods_no' => $original[$this->mapGoods['goods_no']],
            'spec_type' => $specType,
            'delivery_id' => $original[$this->mapGoods['delivery_id']],
            'sort' => $original[$this->mapGoods['sort']],
            'sales_initial' => $original[$this->mapGoods['sales_initial']],
            'deduct_stock_type' => $original[$this->mapGoods['deduct_stock_type']] === '付款减库存' ? DeductStockTypeEnum::PAYMENT
                : DeductStockTypeEnum::CREATE,
            'is_points_gift' => $original[$this->mapGoods['is_points_gift']] === '关闭' ? 0 : 1,
            'is_points_discount' => $original[$this->mapGoods['is_points_discount']] === '关闭' ? 0 : 1,
            'is_enable_grade' => $original[$this->mapGoods['is_enable_grade']] === '关闭' ? 0 : 1,
            'status' => $original['G'] === '下架' ? GoodsStatusEnum::OFF_SALE : GoodsStatusEnum::ON_SALE,
            'categoryIds' => $this->ids2array($original[$this->mapGoods['categoryIds']]),
            'imagesIds' => $this->ids2array($original[$this->mapGoods['imagesIds']]),
            'serviceIds' => $this->ids2array($original[$this->mapGoods['serviceIds']]),
            // 下面是默认数据, 没有会报错
            'content' => '',
            'alone_grade_equity' => [],
            'newSpecList' => [],
            'newSkuList' => [],
            'store_id' => $storeId,
        ];
        // 规格和sku数据处理
        if ($data['spec_type'] === GoodsSpecTypeEnum::MULTI) {
            $specList = $this->createSpecList($original['skuList']);
            $data['specData']['specList'] = $specList;
            $data['specData']['skuList'] = $this->createSkuList($original['skuList'], $specList);
            // 生成多规格数据 (携带id)
            $data['newSpecList'] = SpecModel::getNewSpecList($data['specData']['specList'], $storeId);
            // 生成skuList (携带goods_sku_id)
            $data['newSkuList'] = GoodsSkuModel::getNewSkuList($data['newSpecList'], $data['specData']['skuList']);
        } elseif ($data['spec_type'] === GoodsSpecTypeEnum::SINGLE) {
            // 生成skuItem
            $data['newSkuList'] = [
                'goods_price' => $original[$this->mapSku['goods_price']],
                'line_price' => $original[$this->mapSku['line_price']],
                'stock_num' => $original[$this->mapSku['stock_num']],
                'goods_weight' => $original[$this->mapSku['goods_weight']],
                // 'goods_sku_no' => $original[$this->mapSku['goods_sku_no']],
            ];
        }
        // 整理商品的价格和库存总量
        if ($data['spec_type'] === GoodsSpecTypeEnum::MULTI) {
            $data['stock_total'] = GoodsSkuModel::getStockTotal($data['specData']['skuList']);
            [$data['goods_price_min'], $data['goods_price_max']] = GoodsSkuModel::getGoodsPrices($data['specData']['skuList']);
            [$data['line_price_min'], $data['line_price_max']] = GoodsSkuModel::getLinePrices($data['specData']['skuList']);
        } elseif ($data['spec_type'] === GoodsSpecTypeEnum::SINGLE) {
            $data['goods_price_min'] = $data['goods_price_max'] = $original[$this->mapSku['goods_price']];
            $data['line_price_min'] = $data['line_price_max'] = $original[$this->mapSku['line_price']];
            $data['stock_total'] = $original[$this->mapSku['stock_num']];
        }
        // 过滤不存在的ID集数据
        $data['categoryIds'] = CategoryModel::filterCategoryIds($data['categoryIds'], $storeId);
        $data['imagesIds'] = UploadFileModel::filteFileIds($data['imagesIds'], $storeId);
        $data['serviceIds'] = GoodsServiceModel::filterServiceIds($data['serviceIds'], $storeId);
        return $data;
    }

    /**
     * ID集字符串转换成数组
     * @param string $value
     * @return array|false|string[]
     */
    private function ids2array(string $value)
    {
        return !empty($value) ? \explode(',', $value) : [];
    }

    /**
     * 创建标准的商品SKU数据
     * @param array $originalSkuList
     * @param array $specList
     * @return array
     */
    private function createSkuList(array $originalSkuList, array $specList): array
    {
        $data = [];
        foreach ($originalSkuList as $item) {
            // 设置skuKeys数据
            foreach ($item['specNames'] as $spec) {
                $specGroup = helper::arraySearch($specList, 'spec_name', $spec[0]);
                $specValue = helper::arraySearch($specGroup['valueList'], 'spec_value', $spec[1]);
                $item['skuKeys'][] = [
                    'groupKey' => $specGroup['key'],
                    'valueKey' => $specValue['key']
                ];
            }
            // 整理SKU数据
            $data[] = [
                'image_id' => 0,
                'goods_price' => $item[$this->mapSku['goods_price']],
                'line_price' => $item[$this->mapSku['line_price']],
                'stock_num' => $item[$this->mapSku['stock_num']],
                'goods_weight' => $item[$this->mapSku['goods_weight']],
                'goods_sku_no' => $item[$this->mapSku['goods_sku_no']],
                'skuKeys' => $item['skuKeys'],
            ];
        }
        return $data;
    }

    /**
     * 创建标准的商品规格数据（树状）
     * @param array $originalSkuList
     * @return array
     */
    private function createSpecList(array &$originalSkuList): array
    {
        // 生成规格数据
        $data = [];
        foreach ($originalSkuList as &$item) {
            $tempArr1 = \explode(',', $item['H']);  // ['颜色:白色', '尺码:小']
            foreach ($tempArr1 as $val) {
                $tempArr2 = \explode(':', $val);  // ['颜色','白色']
                $data[$tempArr2[0]][$tempArr2[1]] = 1;
                $item['specNames'][] = $tempArr2;
            }
        }
        // 整理为specList格式
        $specList = [];
        foreach ($data as $specName => $specValues) {
            $groupKey = \count($specList);
            $valueList = [];
            foreach ($specValues as $specValue => $key) {
                $valueList[] = [
                    'key' => \count($valueList),
                    'groupKey' => $groupKey,
                    'spec_value' => $specValue,
                ];
            }
            $specList[] = [
                'key' => $groupKey,
                'spec_name' => $specName,
                'valueList' => $valueList,
            ];
        }
        return $specList;
    }
}