package goods

import (
	"applet/app/admin/enum"
	"applet/app/admin/md"
	"applet/app/db"
	"applet/app/db/model"
	"applet/app/e"
	"applet/app/svc"
	"applet/app/utils"
	"applet/app/utils/logx"
	"fmt"
	"github.com/gin-gonic/gin"
	"github.com/jinzhu/copier"
	"github.com/pkg/errors"
	"reflect"
	"strings"
	"time"
)

// 处理图片
func DealImg(c *gin.Context, imageListUrl []string) []string {
	//七牛云配置
	scheme, host, subDomain, moreSubDomain := svc.ImageBucketNew(c)
	domain := fmt.Sprintf("%s://%s/", scheme, host)
	secondDomain := fmt.Sprintf("%s://%s/", scheme, subDomain)
	fmt.Println("")
	//处理图片链接
	for k, v := range imageListUrl {
		imageListUrl[k] = strings.ReplaceAll(v, domain, "{{host}}")
		imageListUrl[k] = strings.ReplaceAll(imageListUrl[k], secondDomain, "{{subhost}}")
		//兼容商品是迁移过来的
		for moreK, moreV := range moreSubDomain {
			keys := strings.ReplaceAll(moreK, "file_bucket_sub_host", "")
			moreDomain := fmt.Sprintf("%s://%s/", scheme, moreV)
			imageListUrl[k] = strings.ReplaceAll(imageListUrl[k], moreDomain, "{{subhost"+keys+"}}")
		}
	}
	return imageListUrl
}

// AddMallGoods 添加、编辑商品
func AddMallGoods(c *gin.Context, req *md.AddGoodsReq) error {
	if req.Base.GoodsId != "" {
		_, has, err := db.GetComm(db.Db, &model.Goods{GoodsId: utils.StrToInt64(req.Base.GoodsId)})
		if err != nil {
			return e.NewErr(e.ERR_DB_ORM, err.Error())
		}
		if !has {
			return e.NewErr(e.ERR_INVALID_ARGS, "编辑的商品ID不存在")
		}
	}

	sess := db.Db.NewSession()
	defer func() {
		_ = sess.Close()
	}()
	err := sess.Begin()
	if err != nil {
		return e.NewErr(e.ERR_DB_ORM, err.Error())
	}

	// 基本信息保存
	var goodsModel model.Goods
	err = copier.Copy(&goodsModel, req.Base)
	goodsModel.GoodsId = utils.StrToInt64(req.Base.GoodsId)
	if err != nil {
		return e.NewErr(e.ERR_DB_ORM, err.Error())
	}
	now := time.Now()
	goodsModel.SaleState = int(enum.MallGoodsSaleStateOnShelf)
	goodsModel.CreateAt = now.Format("2006-01-02 03:04:05")
	goodsModel.UpdateAt = now.Format("2006-01-02 03:04:05")
	//处理图片链接
	req.Base.ImageListUrl = DealImg(c, req.Base.ImageList)
	goodsModel.ImageList = utils.SerializeStr(req.Base.ImageListUrl)
	goodsModel.Spe = utils.SerializeStr(req.Base.Spe)
	//处理图片链接
	req.Base.DetailUrl = DealImg(c, req.Base.Detail)
	goodsModel.Detail = utils.SerializeStr(req.Base.DetailUrl) // detail为详情图列表

	if req.Base.GoodsId == "" {
		category, err := db.GetCategoryById(db.Db, utils.AnyToString(req.Base.CategoryId))
		if err != nil {
			_ = sess.Rollback()
			return err
		}
		goodsId, err := MakeGoodsId(c, utils.AnyToString(category.Id))
		if err != nil {
			_ = sess.Rollback()
			return err
		}
		goodsModel.GoodsId = utils.StrToInt64(goodsId)
		affect, err := sess.Insert(&goodsModel)
		if err != nil || affect != 1 {
			_ = sess.Rollback()
			return e.NewErr(e.ERR_DB_ORM, "插入商品失败")
		}
	} else {
		affect, err := sess.Where("goods_id=?", req.Base.GoodsId).AllCols().Update(&goodsModel)
		if err != nil || affect != 1 {
			return e.NewErr(e.ERR_DB_ORM, "更新商品失败")
		}
	}

	// 统计总库存

	// sku保存
	// 创建商品，则全部为插入
	skuModelList := make([]*model.Sku, 0, len(req.SkuList))
	for key, item := range req.SkuList {
		skuModelList = append(skuModelList, &model.Sku{
			SkuId:    utils.StrToInt64(utils.AnyToString(goodsModel.GoodsId) + utils.AnyToString(key)),
			GoodsId:  goodsModel.GoodsId,
			SkuCode:  item.SkuCode,
			Price:    item.Price,
			Indexes:  GetIndexesStr(&req.Base, item),
			Sku:      utils.SerializeStr(&item.Sku),
			CreateAt: now.Format("2006-01-02 03:04:05"),
			UpdateAt: now.Format("2006-01-02 03:04:05"),
		})
	}
	if req.Base.GoodsId != "" {
		// 如果是更新 先删除旧的再插入
		_, err = sess.Delete(&model.Sku{GoodsId: goodsModel.GoodsId})
		if err != nil {
			return e.NewErr(e.ERR_DB_ORM, "规格更新失败")
		}
	}

	// 插入sku
	insert, err := sess.Insert(skuModelList)
	if err != nil {
		fmt.Println(err)
		logx.Warn(err)
		return err
	}
	if insert < 1 {
		return e.NewErr(e.ERR_DB_ORM, "插入商品规格失败")
	}

	err = sess.Commit()
	if err != nil {
		return e.NewErr(e.ERR_DB_ORM, "更新商品失败")
	}
	return nil
}

// EditMallGoods 編辑商品
func EditMallGoods(c *gin.Context, req *md.AddGoodsReq) error {
	_, has, err := db.GetComm(db.Db, &model.Goods{GoodsId: utils.StrToInt64(req.Base.GoodsId)})
	if err != nil {
		return e.NewErr(e.ERR_DB_ORM, err.Error())
	}
	if !has {
		return e.NewErr(e.ERR_INVALID_ARGS, "编辑的商品ID不存在")
	}

	sess := db.Db.NewSession()
	defer func() {
		_ = sess.Close()
	}()
	err = sess.Begin()
	if err != nil {
		return e.NewErr(e.ERR_DB_ORM, err.Error())
	}

	// 基本信息保存
	var goodsModel model.Goods
	err = copier.Copy(&goodsModel, req.Base)
	goodsModel.GoodsId = utils.StrToInt64(req.Base.GoodsId)
	if err != nil {
		return e.NewErr(e.ERR_DB_ORM, err.Error())
	}
	now := time.Now()
	goodsModel.UpdateAt = now.Format("2006-01-02 03:04:05")
	//处理图片链接
	req.Base.ImageListUrl = DealImg(c, req.Base.ImageList)
	goodsModel.ImageList = utils.SerializeStr(req.Base.ImageListUrl)
	goodsModel.Spe = utils.SerializeStr(req.Base.Spe)
	//处理图片链接
	req.Base.DetailUrl = DealImg(c, req.Base.Detail)
	goodsModel.Detail = utils.SerializeStr(req.Base.DetailUrl) // detail为详情图列表

	if req.Base.GoodsId == "" {
		goodsModel.SaleState = 0
		affect, err := sess.Insert(&goodsModel)
		if err != nil || affect != 1 {
			_ = sess.Rollback()
			return e.NewErr(e.ERR_DB_ORM, "插入商品失败")

		}
	} else {
		_, err := sess.Where("goods_id=?", req.Base.GoodsId).AllCols().Update(&goodsModel)
		if err != nil {
			return e.NewErr(e.ERR_DB_ORM, "更新商品失败")
		}
	}

	// sku保存
	// 创建商品，则全部为插入
	skuModelList := make([]*model.Sku, 0, len(req.SkuList))
	for key, item := range req.SkuList {
		skuModelList = append(skuModelList, &model.Sku{
			SkuId:    utils.StrToInt64(utils.AnyToString(goodsModel.GoodsId) + "0" + utils.AnyToString(key)),
			GoodsId:  goodsModel.GoodsId,
			Price:    item.Price,
			SkuCode:  item.SkuCode,
			Indexes:  GetIndexesStr(&req.Base, item),
			Sku:      utils.SerializeStr(&item.Sku),
			CreateAt: now.Format("2006-01-02 03:04:05"),
			UpdateAt: now.Format("2006-01-02 03:04:05"),
		})
	}
	//先删除旧的再插入
	_, err = sess.Delete(&model.Sku{GoodsId: goodsModel.GoodsId})
	if err != nil {
		return e.NewErr(e.ERR_DB_ORM, "规格更新失败")
	}

	// 插入sku
	insert, err := sess.Insert(skuModelList)
	if err != nil || insert < 1 {
		return e.NewErr(e.ERR_DB_ORM, "插入商品规格失败")
	}

	err = sess.Commit()
	if err != nil {
		return e.NewErr(e.ERR_DB_ORM, "更新商品失败")
	}
	return nil
}

// GetIndexesStr sku属性值在spe中的index
func GetIndexesStr(baseGoods *md.MallBaseGoods, goodsSku *md.MallGoodsSku) string {
	spe := baseGoods.Spe
	sku := goodsSku.Sku

	result := ""

	for index, item := range sku {
		for _, itm := range spe {
			if item.Name == itm.Name {
				for i, v := range spe[index].Values {
					if v == item.Value {
						result = result + utils.IntToStr(i) + "-"
					}
				}
			}
		}
	}

	return strings.Trim(result, "-")
}

func MallGoodsDetail(c *gin.Context, id int) (map[string]interface{}, error) {
	resp := make(map[string]interface{})
	var skuList []*model.Sku
	var goodsModel *model.Goods

	// 新增商品的时候默认数据
	if id == 0 {
		resp["base_goods"] = nil
		resp["sku"] = nil
		return resp, nil
	}

	goodsModelInterface, has, err := db.GetComm(db.Db, &model.Goods{GoodsId: int64(id)})
	if !has {
		return nil, errors.New("当前商品不存在")
	}
	if err != nil {
		_ = logx.Error(err)
		return nil, e.NewErr(e.ERR_DB_ORM, fmt.Sprintf("查询商品失败：%#v", err))
	}
	goodsModel = goodsModelInterface.(*model.Goods)

	err = db.Db.Where("goods_id=?", id).Find(&skuList)
	if err != nil || len(skuList) == 0 {
		_ = logx.Error(err)
		return nil, e.NewErr(e.ERR_DB_ORM, fmt.Sprintf("查询商品规格失败：%#v\n", err))
	}

	var goodsMap map[string]interface{}
	utils.Unserialize([]byte(utils.SerializeStr(goodsModel)), &goodsMap)
	goodsMap["goods_id"] = utils.AnyToString(goodsModel.GoodsId)
	// 分类名称
	if goodsModel != nil && goodsModel.CategoryId != 0 {
		categoryInterface, has, err := db.GetComm(db.Db, &model.GoodsCategory{Id: goodsModel.CategoryId})
		if err != nil {
			return nil, errors.New("查询商品类目失败")
		}
		categoryModel := categoryInterface.(*model.GoodsCategory)
		if !has {
			goodsMap["category_name"] = ""
		} else {
			goodsMap["category_name"] = categoryModel.Name
		}
	}

	// **处理各复合结构**
	var tmpMap interface{}

	scheme, host, subDomain, moreSubDomain := svc.ImageBucketNew(c)

	// 商品主图
	if goodsMap["image_list"] != nil && goodsMap["image_list"] != "null" {
		utils.Unserialize([]byte(goodsMap["image_list"].(string)), &tmpMap)
		goodsMap["image_list"] = tmpMap
		var imageListUrlTmp []string
		for _, v := range goodsMap["image_list"].([]interface{}) {
			imageListUrlTmp = append(imageListUrlTmp, svc.ImageFormatWithBucketNew(scheme, host, subDomain, moreSubDomain, v.(string)))
		}
		goodsMap["image_list_url"] = imageListUrlTmp
	} else {
		goodsMap["image_list"] = []struct{}{}
		goodsMap["image_list_url"] = []struct{}{}
	}

	// 详情图
	if goodsMap["detail"] != nil && goodsMap["detail"] != "null" {
		var tmpDetailImageList []interface{}
		utils.Unserialize([]byte(goodsMap["detail"].(string)), &tmpDetailImageList)
		goodsMap["detail"] = tmpDetailImageList
		var detailImageUrlTmp []string
		for _, v := range goodsMap["detail"].([]interface{}) {
			detailImageUrlTmp = append(detailImageUrlTmp, svc.ImageFormatWithBucketNew(scheme, host, subDomain, moreSubDomain, v.(string)))
		}
		goodsMap["detail_url"] = detailImageUrlTmp
	}

	if goodsMap["detail"] == nil || reflect.ValueOf(goodsMap["detail"]).IsNil() {
		goodsMap["detail"] = []interface{}{}
		goodsMap["detail_url"] = []interface{}{}
	}

	// 规格属性
	speJson, ok := goodsMap["spe"].(string)
	if ok {
		if goodsMap["spe"] != nil && speJson != "" && speJson != "null" {
			utils.Unserialize([]byte(speJson), &tmpMap)
			goodsMap["spe"] = tmpMap
		} else {
			utils.Unserialize([]byte("[{\"name\": \"默认\",\"values\": [\"默认\"]}]"), &tmpMap)
			goodsMap["spe"] = tmpMap
		}
	} else {
		utils.Unserialize([]byte("[{\"name\": \"默认\",\"values\": [\"默认\"]}]"), &tmpMap)
		goodsMap["spe"] = tmpMap
	}
	if goodsMap["spe_images"] != nil && goodsMap["spe_images"] != "null" && goodsMap["spe_images"] != "[]" && goodsMap["spe_images"] != "" {
		var speImageListUrlTmp []string
		utils.Unserialize([]byte(goodsMap["spe_images"].(string)), &tmpMap)
		goodsMap["spe_images"] = tmpMap
		for _, v := range goodsMap["spe_images"].([]interface{}) {
			speImageListUrlTmp = append(speImageListUrlTmp, svc.ImageFormatWithBucketNew(scheme, host, subDomain, moreSubDomain, v.(string)))
		}
		goodsMap["spe_images_url"] = speImageListUrlTmp
	} else {
		goodsMap["spe_images"] = []struct{}{}
		goodsMap["spe_images_url"] = []struct{}{}
	}

	// sku处理
	skuListMap := make([]map[string]interface{}, 0, len(skuList))
	for _, item := range skuList {
		tmp := make(map[string]interface{})
		tmp["goods_id"] = item.GoodsId
		tmp["sku_id"] = item.SkuId
		tmp["sku_code"] = item.SkuCode
		tmp["price"] = item.Price
		tmp["indexes"] = item.Indexes
		utils.Unserialize([]byte(item.Sku), &tmpMap)
		tmp["sku"] = tmpMap
		if item.Indexes == "" || item.Indexes == " " {
			tmp["indexes"] = "0"
			utils.Unserialize([]byte("[{\"name\": \"默认\",\"values\": [\"默认\"]}]"), &tmpMap)
			tmp["sku"] = tmpMap
		}
		skuListMap = append(skuListMap, tmp)
	}

	// 清理不用的字段
	if _, ok := goodsMap["create_time"]; ok {
		delete(goodsMap, "create_at")
	}
	if _, ok := goodsMap["update_time"]; ok {
		delete(goodsMap, "update_at")
	}
	if _, ok := goodsMap["delete_at"]; ok {
		delete(goodsMap, "delete_at")
	}

	goodsMap["sale_state_zh"] = ""
	if _, ok := goodsMap["sale_state"]; ok {
		switch goodsMap["sale_state"] {
		case 1.00:
			goodsMap["sale_state_zh"] = "销售中"
			break
		case 2.00:
			goodsMap["sale_state_zh"] = "下架"
			break
		}
	}

	goodsMap["create_at"] = goodsModel.CreateAt
	goodsMap["update_at"] = goodsModel.UpdateAt

	resp["base_goods"] = goodsMap
	resp["sku"] = skuListMap

	return resp, nil

}

func MakeGoodsId(c *gin.Context, categoryId string) (string, error) {

	var goodsId = categoryId + utils.AnyToString(time.Now().UnixNano()/1e6)

	return goodsId, nil
}

func DelMallGoods(c *gin.Context, ids []string) {
	engine := db.Db
	session := engine.NewSession()
	defer func() {
		session.Close()
	}()
	session.Begin()
	_, err := session.Table("goods").Where(fmt.Sprintf("goods_id in (%s)", strings.Join(ids, ","))).Delete(new(model.Goods))
	if err != nil {
		session.Rollback()
		e.OutErr(c, e.ERR_DB_ORM, err)
		return
	}
	_, err = session.Table("sku").In("goods_id", ids).Delete(new(model.Sku))
	if err != nil {
		session.Rollback()
		e.OutErr(c, e.ERR_DB_ORM, err)
		return
	}
	session.Commit()
	e.OutSuc(c, []int{}, nil)
}