package logic

import (
	"context"
	"encoding/json"
	"errors"
	"fmt"
	"fusenapi/constants"
	"fusenapi/model/gmodel"
	"fusenapi/utils/auth"
	"fusenapi/utils/basic"
	"fusenapi/utils/color_list"
	"fusenapi/utils/format"
	"fusenapi/utils/image"
	"fusenapi/utils/step_price"
	"gorm.io/gorm"
	"strconv"
	"strings"

	"fusenapi/server/product/internal/svc"
	"fusenapi/server/product/internal/types"

	"github.com/zeromicro/go-zero/core/logx"
)

type GetProductInfoLogic struct {
	logx.Logger
	ctx    context.Context
	svcCtx *svc.ServiceContext
}

func NewGetProductInfoLogic(ctx context.Context, svcCtx *svc.ServiceContext) *GetProductInfoLogic {
	return &GetProductInfoLogic{
		Logger: logx.WithContext(ctx),
		ctx:    ctx,
		svcCtx: svcCtx,
	}
}

func (l *GetProductInfoLogic) GetProductInfo(req *types.GetProductInfoReq, userinfo *auth.UserInfo) (resp *basic.Response) {
	//获取产品信息
	productInfo, err := l.svcCtx.AllModels.FsProduct.FindOneBySn(l.ctx, req.Pid)
	if err != nil {
		if errors.Is(err, gorm.ErrRecordNotFound) {
			return resp.SetStatusWithMessage(basic.CodeDbRecordNotFoundErr, "the product is not exists")
		}
		logx.Error(err)
		return resp.SetStatusWithMessage(basic.CodeDbSqlErr, "failed to get product info")
	}
	if req.Size > 0 {
		req.Size = image.GetCurrentSize(req.Size)
	}
	materialIdSlice, err := format.StrSlicToInt64Slice(strings.Split(*productInfo.MaterialIds, ","))
	if err != nil {
		logx.Error(err)
		return resp.SetStatusWithMessage(basic.CodeServiceErr, "failed to parse product material Id list")
	}
	//材料列表
	materials := make([]types.MaterialItem, 0, len(materialIdSlice))
	for _, v := range materialIdSlice {
		if title, ok := constants.MAP_MATERIAL[v]; ok {
			materials = append(materials, types.MaterialItem{
				Id:    v,
				Title: title,
			})
		}
	}
	//尺寸列表[这里要处理数据中的title]
	sizeList, err := l.svcCtx.AllModels.FsProductSize.GetAllByStatus(l.ctx, int64(constants.FAQ_STATUS_ON), 1, "id,title,capacity,cover,sort,parts_can_deleted")
	if err != nil {
		logx.Error(err)
		return resp.SetStatusWithMessage(basic.CodeDbSqlErr, "failed to get product size list")
	}
	sizeIds := make([]int64, 0, len(sizeList))
	for _, v := range sizeList {
		sizeIds = append(sizeIds, v.Id)
	}
	//获取产品标签
	tagInfo, err := l.svcCtx.AllModels.FsTags.FindOne(l.ctx, *productInfo.Type)
	if err != nil {
		if errors.Is(err, gorm.ErrRecordNotFound) {
			return resp.SetStatusWithMessage(basic.CodeDbRecordNotFoundErr, "tag info is not exists")
		}
		logx.Error(err)
		return resp.SetStatusWithMessage(basic.CodeDbSqlErr, "failed to get tag info")
	}
	typeName := *tagInfo.Title
	//获取该尺寸下的模型数据
	model3dList, err := l.svcCtx.AllModels.FsProductModel3d.GetAllBySizeIdsTag(l.ctx, sizeIds, constants.TAG_MODEL)
	if err != nil {
		logx.Error(err)
		return resp.SetStatusWithMessage(basic.CodeDbSqlErr, "failed to get product 3d model list")
	}
	model3dIds := make([]int64, 0, len(model3dList))
	mapModel3dWithSizeIdIndex := make(map[int64]int) //sizeid为key
	for k, v := range model3dList {
		model3dIds = append(model3dIds, v.Id)
		mapModel3dWithSizeIdIndex[*v.SizeId] = k
	}
	//通过产品id和模型id获取模板信息
	productTemplateList, err := l.svcCtx.AllModels.FsProductTemplateV2.FindAllByProductIdModelIds(l.ctx, model3dIds, productInfo.Id)
	if err != nil {
		logx.Error(err)
		return resp.SetStatusWithMessage(basic.CodeDbSqlErr, "failed to get product template list")
	}
	//获取模板包含的model_id
	mapTemplateModelId := make(map[int64]struct{})
	tagIds := make([]int64, 0, len(productTemplateList))
	for _, v := range productTemplateList {
		mapTemplateModelId[v.Id] = struct{}{}
		if v.Tag != nil && *v.Tag != "" {
			tagId, err := strconv.ParseInt(*v.Tag, 10, 64)
			if err != nil {
				logx.Error(err)
				return resp.SetStatusWithMessage(basic.CodeServiceErr, "tag is not a number")
			}
			tagIds = append(tagIds, tagId)
		}
	}
	//过滤没有模板的尺寸数据
	sizeListRsp := make([]types.SizeItem, 0, len(sizeList))
	for _, v := range sizeList {
		model3dIndex, ok := mapModel3dWithSizeIdIndex[v.Id]
		if !ok {
			continue
		}
		if _, ok = mapTemplateModelId[model3dList[model3dIndex].Id]; !ok {
			continue
		}
		var title types.SizeTitle
		if err = json.Unmarshal([]byte(*v.Title), &title); err != nil {
			logx.Error(err)
			return resp.SetStatusWithMessage(basic.CodeJsonErr, "failed to decode size info`s title")
		}
		var modelInfo map[string]interface{}
		if err = json.Unmarshal([]byte(*model3dList[model3dIndex].ModelInfo), &modelInfo); err != nil {
			logx.Error(err)
			return resp.SetStatusWithMessage(basic.CodeJsonErr, "failed to parse model info")
		}
		cover := ""
		if modelInfo["cover"] != nil && modelInfo["cover"].(string) != "" {
			cover = modelInfo["cover"].(string)
			if req.Size >= 200 {
				coverArr := strings.Split(modelInfo["cover"].(string), ".")
				cover = fmt.Sprintf("%s_%d.%s", coverArr[0], req.Size, coverArr[1])
			}
		}
		sizeListRsp = append(sizeListRsp, types.SizeItem{
			Id:              v.Id,
			Title:           title,
			Capacity:        *v.Capacity,
			Cover:           cover,
			Sort:            *v.Sort,
			PartsCanDeleted: *v.PartsCanDeleted > 0,
		})
	}
	//获取标签列表
	tagList, err := l.svcCtx.AllModels.FsTags.GetAllByIdsWithoutStatus(l.ctx, tagIds)
	if err != nil {
		logx.Error(err)
		return resp.SetStatusWithMessage(basic.CodeDbSqlErr, "failed to get tag list")
	}
	mapTag := make(map[string]int)
	for k, v := range tagList {
		mapTag[fmt.Sprintf("%d", v.Id)] = k
	}
	//获取全部模型信息
	allModel3dList, err := l.svcCtx.AllModels.FsProductModel3d.GetAll(l.ctx)
	if err != nil {
		logx.Error(err)
		return resp.SetStatusWithMessage(basic.CodeDbSqlErr, "failed to get all 3d model list")
	}
	mapAllmodel3d := make(map[int64]int)
	optionTemplateIds := make([]int64, 0, len(allModel3dList))
	lightIds := make([]int64, 0, len(allModel3dList))
	for k, v := range allModel3dList {
		mapAllmodel3d[v.Id] = k
		optionTemplateIds = append(optionTemplateIds, *v.OptionTemplate)
		lightIds = append(lightIds, *v.Light)
	}
	//获取公共模板信息
	optionTemplateList, err := l.svcCtx.AllModels.FsProductTemplateV2.FindAllByIdsWithoutStatus(l.ctx, optionTemplateIds, "id,material_img")
	if err != nil {
		logx.Error(err)
		return resp.SetStatusWithMessage(basic.CodeDbSqlErr, "failed to get option template list")
	}
	mapOptionTemplate := make(map[int64]int)
	for k, v := range optionTemplateList {
		mapOptionTemplate[v.Id] = k
	}
	//获取灯光信息
	lightList, err := l.svcCtx.AllModels.FsProductModel3dLight.GetAllByIdsWithoutStatus(l.ctx, lightIds)
	if err != nil {
		logx.Error(err)
		return resp.SetStatusWithMessage(basic.CodeDbSqlErr, "failed to get light list")
	}
	mapLight := make(map[int64]int)
	for k, v := range lightList {
		mapLight[v.Id] = k
	}
	//材料尺寸模板
	mapMaterialSizeTmp := make(map[string][]interface{})
	//循环阶梯价计算
	type MaterialSizePrice struct {
		Items    []interface{} `json:"items"`
		MinPrice string        `json:"min_price"`
		MaxPrice string        `json:"max_price"`
	}
	mapMaterialSizePrice := make(map[string]*MaterialSizePrice)
	//循环处理组装模板信息
	for _, tmp := range productTemplateList {
		allModel3dIndex, ok := mapAllmodel3d[*tmp.ModelId]
		if !ok {
			continue
		}
		//如果是配件信息就跳过，不返回
		if *allModel3dList[allModel3dIndex].Tag == constants.TAG_PARTS {
			continue
		}
		//未编辑模板信息的数据跳过
		if tmp.TemplateInfo == nil || *tmp.TemplateInfo == "" {
			continue
		}
		model3dInfo := allModel3dList[allModel3dIndex]
		//解码template info
		var templateInfoRsp map[string]interface{}
		if err = json.Unmarshal([]byte(*tmp.TemplateInfo), &templateInfoRsp); err != nil {
			logx.Error(err)
			return resp.SetStatusWithMessage(basic.CodeJsonErr, "failed to parse template info")
		}
		if templateInfoRsp["cover"] != nil && templateInfoRsp["cover"].(string) != "" {
			cover := templateInfoRsp["cover"].(string)
			if req.Size >= 200 {
				coverArr := strings.Split(templateInfoRsp["cover"].(string), ".")
				cover = fmt.Sprintf("%s_%d.%s", coverArr[0], req.Size, coverArr[1])
			}
			templateInfoRsp["cover"] = cover
			delete(templateInfoRsp, "isPublic")
			delete(templateInfoRsp, "name")
		}
		//解码模型数据
		var modelInfoRsp map[string]interface{}
		if err = json.Unmarshal([]byte(*model3dInfo.ModelInfo), &modelInfoRsp); err != nil {
			logx.Error(err)
			return resp.SetStatusWithMessage(basic.CodeJsonErr, "failed to parse template info")
		}
		modelInfoRsp["id"] = allModel3dList[allModel3dIndex].Id
		//解码灯光数据
		var lightInfoRsp interface{}
		lightIndex, ok := mapLight[*model3dInfo.Light]
		if ok && lightList[lightIndex].Info != nil && *lightList[lightIndex].Info != "" {
			if err = json.Unmarshal([]byte(*lightList[lightIndex].Info), &lightInfoRsp); err != nil {
				logx.Error(err)
				return resp.SetStatusWithMessage(basic.CodeJsonErr, "failed to parse light info")
			}
		}
		//配件备选项
		modelPartIds, err := format.StrSlicToInt64Slice(strings.Split(*model3dInfo.PartList, ","))
		if err != nil {
			logx.Error(err)
			return resp.SetStatusWithMessage(basic.CodeServiceErr, "failed to parse 3d model`s part_list")
		}
		partListRsp := make([]interface{}, 0, len(modelPartIds))
		for _, partId := range modelPartIds {
			//判断配件信息是否正常
			key, ok := mapAllmodel3d[partId]
			if !ok || *allModel3dList[key].Status != 1 {
				continue
			}
			var thisInfo map[string]interface{}
			temBytes, _ := json.Marshal(allModel3dList[key])
			_ = json.Unmarshal(temBytes, &thisInfo)
			thisInfo["material_img"] = ""
			if *allModel3dList[key].OptionTemplate != 0 {
				if optionTemplateIndex, ok := mapOptionTemplate[*allModel3dList[key].OptionTemplate]; ok {
					thisInfo["material_img"] = *optionTemplateList[optionTemplateIndex].MaterialImg
				}
			} else {
				tmpv2, err := l.svcCtx.AllModels.FsProductTemplateV2.FindOneByModelId(l.ctx, partId)
				if err != nil {
					if errors.Is(err, gorm.ErrRecordNotFound) {

					} else {
						logx.Error(err)
						return resp.SetStatusWithMessage(basic.CodeDbSqlErr, "failed to get product template")
					}
				}
				thisInfo["material_img"] = *tmpv2.MaterialImg
			}
			partListRsp = append(partListRsp, thisInfo)
		}
		tagName := ""
		if tagIndex, ok := mapTag[*tmp.Tag]; ok {
			tagName = *tagList[tagIndex].Title
		}
		//按照材质和尺寸来存放模板信息
		mapMaterialSizeTmpKey := l.getMapMaterialSizeTmpKey(*productInfo.MaterialIds, *model3dInfo.SizeId)
		mapMaterialSizeTmp[mapMaterialSizeTmpKey] = append(mapMaterialSizeTmp[mapMaterialSizeTmpKey], map[string]interface{}{
			"id":           tmp.Id,
			"title":        *tmp.Title,
			"templateData": templateInfoRsp,
			"modelData":    modelInfoRsp,
			"lightData":    lightInfoRsp,
			"partList":     partListRsp,
			"tag_name":     tagName,
		})
	}
	//产品价格查询
	productPriceList, err := l.svcCtx.AllModels.FsProductPrice.GetAllByProductIdStatus(l.ctx, productInfo.Id, 1)
	if err != nil {
		logx.Error(err)
		return resp.SetStatusWithMessage(basic.CodeDbSqlErr, "failed to get product price list")
	}
	for _, priceItem := range productPriceList {
		stepNumSlice, err := format.StrSlicToIntSlice(strings.Split(*priceItem.StepNum, ","))
		if err != nil {
			logx.Error(err)
			return resp.SetStatusWithMessage(basic.CodeServiceErr, "split step num err")
		}
		stepPriceSlice, err := format.StrSlicToIntSlice(strings.Split(*priceItem.StepPrice, ","))
		if err != nil {
			logx.Error(err)
			return resp.SetStatusWithMessage(basic.CodeServiceErr, "split step price err")
		}
		lenStepNum := len(stepNumSlice)
		lenStepPrice := len(stepPriceSlice)
		if lenStepNum == 0 {
			return resp.SetStatusWithMessage(basic.CodeServiceErr, "count of step num is empty")
		}
		for *priceItem.MinBuyNum < int64(stepNumSlice[lenStepNum-1]+5) {
			price := step_price.GetCentStepPrice(int(*priceItem.MinBuyNum), stepNumSlice, stepPriceSlice)
			mapMaterialSizePriceKey := l.getMapMaterialSizePriceKey(*priceItem.MaterialId, *priceItem.SizeId)
			if _, ok := mapMaterialSizePrice[mapMaterialSizePriceKey]; ok {
				mapMaterialSizePrice[mapMaterialSizePriceKey].Items = append(mapMaterialSizePrice[mapMaterialSizePriceKey].Items, map[string]interface{}{
					"num":       *priceItem.MinBuyNum,
					"total_num": *priceItem.MinBuyNum * (*priceItem.EachBoxNum),
					"price":     price,
				})
				mapMaterialSizePrice[mapMaterialSizePriceKey].MinPrice = fmt.Sprintf("%.2f", float64(stepPriceSlice[lenStepPrice-1])/100)
				mapMaterialSizePrice[mapMaterialSizePriceKey].MaxPrice = fmt.Sprintf("%.2f", float64(stepPriceSlice[0])/100)
			} else {
				items := map[string]interface{}{
					"num":       *priceItem.MinBuyNum,
					"total_num": *priceItem.MinBuyNum * (*priceItem.EachBoxNum),
					"price":     price,
				}
				mapMaterialSizePrice[mapMaterialSizePriceKey] = &MaterialSizePrice{
					Items:    []interface{}{items},
					MinPrice: fmt.Sprintf("%.2f", float64(stepPriceSlice[lenStepPrice-1])/100),
					MaxPrice: fmt.Sprintf("%.2f", float64(stepPriceSlice[0])/100),
				}
			}
			*priceItem.MinBuyNum++
		}
	}
	isLowRendering := false
	isRemoveBg := false
	var lastDesign interface{}
	if userinfo.UserId != 0 {
		//获取用户信息
		user, err := l.svcCtx.AllModels.FsUser.FindUserById(l.ctx, userinfo.UserId)
		if err != nil {
			if errors.Is(err, gorm.ErrRecordNotFound) {
				return resp.SetStatusWithMessage(basic.CodeDbRecordNotFoundErr, "user info not found")
			}
			logx.Error(err)
			return resp.SetStatusWithMessage(basic.CodeDbSqlErr, "failed to get user info")
		}
		isLowRendering = *user.IsLowRendering > 0
		isRemoveBg = *user.IsRemoveBg > 0
		lastDesign = l.getLastDesign(user)
	}
	var renderDesign interface{}
	if req.HaveCloudRendering == true {
		renderDesign = l.getRenderDesign(req.ClientNo)
	}
	return resp.SetStatusWithMessage(basic.CodeOK, "success", types.GetProductInfoRsp{
		Id:             productInfo.Id,
		Type:           *productInfo.Type,
		Title:          *productInfo.Title,
		IsEnv:          *productInfo.IsProtection,
		IsMicro:        *productInfo.IsMicrowave,
		TypeName:       typeName,
		IsLowRendering: isLowRendering,
		IsRemoveBg:     isRemoveBg,
		Materials:      materials,
		Sizes:          sizeListRsp,
		Templates:      mapMaterialSizeTmp,
		Price:          mapMaterialSizePrice,
		LastDesign:     lastDesign,
		RenderDesign:   renderDesign,
		Colors:         color_list.GetColor(),
	})

}

// 获取渲染设计
func (l *GetProductInfoLogic) getRenderDesign(clientNo string) interface{} {
	if clientNo == "" {
		return nil
	}
	renderDesign, err := l.svcCtx.AllModels.FsProductRenderDesign.FindOneRenderDesignByParams(l.ctx, gmodel.FindOneRenderDesignByParamsReq{
		ClientNo: &clientNo,
		Fields:   "id,info,material_id,optional_id,size_id,template_id",
		SortType: 2,
	})
	if err != nil {
		if errors.Is(err, gorm.ErrRecordNotFound) {
			return nil
		}
		logx.Error(err)
		return nil
	}
	var info interface{}
	if renderDesign.Info != nil && *renderDesign.Info != "" {
		if err = json.Unmarshal([]byte(*renderDesign.Info), &info); err != nil {
			logx.Error(err)
			return nil
		}
	}
	return map[string]interface{}{
		"id":          renderDesign.Id,
		"info":        info,
		"material_id": *renderDesign.MaterialId,
		"optional_id": *renderDesign.OptionalId,
		"size_id":     *renderDesign.SizeId,
		"template_id": *renderDesign.TemplateId,
	}
}

// 获取用户最新设计
func (l *GetProductInfoLogic) getLastDesign(userInfo gmodel.FsUser) interface{} {
	//查询用户最近下单成功的数据
	orderInfo, err := l.svcCtx.AllModels.FsOrder.FindLastSuccessOneOrder(l.ctx, userInfo.Id, int64(constants.STATUS_NEW_NOT_PAY))
	if err != nil {
		if errors.Is(err, gorm.ErrRecordNotFound) {
			return nil
		}
		logx.Error(err)
		return nil
	}
	//获取该订单相关设计信息
	orderDetail, err := l.svcCtx.AllModels.FsOrderDetail.GetOneOrderDetailByOrderId(l.ctx, orderInfo.Id)
	if err != nil {
		if errors.Is(err, gorm.ErrRecordNotFound) {
			return nil
		}
		logx.Error(err)
		return nil
	}
	//获取设计模板详情，便于获得design_id
	orderDetailTemplate, err := l.svcCtx.AllModels.FsOrderDetailTemplate.FindOne(l.ctx, *orderDetail.OrderDetailTemplateId)
	if err != nil {
		if errors.Is(err, gorm.ErrRecordNotFound) {
			return nil
		}
		logx.Error(err)
		return nil
	}
	//若没打开了个性化渲染按钮或者最后一次设计不存在，则不返回该设计相关数据
	if *userInfo.IsOpenRender != 1 || *orderDetailTemplate.DesignId <= 0 {
		return nil
	}
	//获取设计数据
	productDesign, err := l.svcCtx.AllModels.FsProductDesign.FindOne(l.ctx, *orderDetailTemplate.DesignId, userInfo.Id)
	if err != nil {
		if errors.Is(err, gorm.ErrRecordNotFound) {
			return nil
		}
		logx.Error(err)
		return nil
	}
	var info interface{}
	if productDesign.Info != nil && *productDesign.Info != "" {
		if err := json.Unmarshal([]byte(*productDesign.Info), &info); err != nil {
			logx.Error(err)
			return nil
		}
	}
	var logoColor interface{}
	if productDesign.LogoColor != nil && *productDesign.LogoColor != "" {
		if err := json.Unmarshal([]byte(*productDesign.LogoColor), &logoColor); err != nil {
			logx.Error(err)
			return nil
		}
	}
	return map[string]interface{}{
		"id":          productDesign.Id,
		"info":        info,
		"logo_color":  logoColor,
		"material_id": *productDesign.MaterialId,
		"optional_id": *productDesign.OptionalId,
		"size_id":     *productDesign.SizeId,
	}
}

// 获取按照材料跟尺寸分类的模板map key
func (l *GetProductInfoLogic) getMapMaterialSizeTmpKey(materialIds string, sizeId int64) string {
	return fmt.Sprintf("%s_%d", materialIds, sizeId)
}

// 获取按照材料跟尺寸分类的价格map key
func (l *GetProductInfoLogic) getMapMaterialSizePriceKey(materialId int64, sizeId int64) string {
	return fmt.Sprintf("%d_%d", materialId, sizeId)
}