package logic

import (
	"encoding/json"
	"errors"
	"fusenapi/model/gmodel"
	"fusenapi/utils/auth"
	"fusenapi/utils/basic"
	"fusenapi/utils/metadata"
	"time"

	"context"

	"fusenapi/server/home-user-auth/internal/svc"
	"fusenapi/server/home-user-auth/internal/types"

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

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

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

// 处理进入前逻辑w,r
// func (l *UserLogoSetLogic) BeforeLogic(w http.ResponseWriter, r *http.Request) {
// }

func (l *UserLogoSetLogic) UserLogoSet(req *types.UserLogoSetReq, userinfo *auth.UserInfo) (resp *basic.Response) {
	// 返回值必须调用Set重新返回, resp可以空指针调用 resp.SetStatus(basic.CodeOK, data)
	// userinfo 传入值时, 一定不为null
	// 更新用户信息
	if userinfo.IsOnlooker() {
		// 如果是，返回未授权的错误码
		return resp.SetStatus(basic.CodeUnAuth)
	}

	var userId int64
	var guestId int64

	// 检查用户是否是游客
	if userinfo.IsGuest() {
		// 如果是，使用游客ID和游客键名格式
		guestId = userinfo.GuestId
	} else {
		// 否则，使用用户ID和用户键名格式
		userId = userinfo.UserId
	}

	var userInfo = &gmodel.FsUserInfo{}
	fsUserInfoModel := gmodel.NewFsUserInfoModel(l.svcCtx.MysqlConn)
	BuilderDB := fsUserInfoModel.BuilderDB(l.ctx, nil).Model(&gmodel.FsUserInfo{}).Where("module = ?", "profile")
	if userId > 0 {
		BuilderDB.Where("user_id=?", userId)
	} else {
		BuilderDB.Where("guest_id=?", guestId)
	}
	userInfo, err := fsUserInfoModel.FindOne(BuilderDB, nil)
	if err != nil {
		if errors.Is(err, gorm.ErrRecordNotFound) {
			logx.Error(err)
			return resp.SetStatus(basic.CodeDbSqlErr, "UserInfoSet error system failed")
		}
	}

	var nowTime = time.Now().UTC()

	var metadataMap map[string]interface{}
	err = l.svcCtx.MysqlConn.WithContext(l.ctx).Transaction(func(tx *gorm.DB) error {
		if userInfo.Id != 0 {
			var metadataMapOld map[string]interface{}
			json.Unmarshal(*userInfo.Metadata, &metadataMapOld)
		}
		// 更新merchant_category
		if req.Module == "merchant_category" {
			logoSelectedId, isEx := metadataMapOld["logo_selected_id"]
			if isEx {
				var materialId int64 = int64(logoSelectedId.(float64))

				var userMaterialInfo gmodel.FsUserMaterial
				userMaterialGorm := tx.Where("id = ?", materialId)
				resUserMaterialInfo := userMaterialGorm.First(&userMaterialInfo)
				err = resUserMaterialInfo.Error
				if err != nil {
					logc.Errorf(l.ctx, "FsUserMaterial First err：%+v", err)
					return err
				}
				var metadataMapOld map[string]interface{}
				if userMaterialInfo.Id > 0 {
					err = json.Unmarshal(*userMaterialInfo.Metadata, &metadataMapOld)
					if err != nil {
						logc.Errorf(l.ctx, "userMaterialInfo Metadata Unmarshal err：%+v", err)
						return err
					}
				}
				var metadataChild = make(map[string]interface{}, 1)
				metadataChild["merchant_category"] = reqMetadata["category_id"]
				metadataMap, err = metadata.SetMetadata(metadataChild, metadataMapOld)
				if err != nil {
					logc.Errorf(l.ctx, "metadata SetMetadata err：%+v", err)
					return err
				}
				metadataB, err := json.Marshal(metadataMap)
				if err != nil {
					logc.Errorf(l.ctx, "metadata marshal err：%+v", err)
					return err
				}
				userMaterialInfo.Metadata = &metadataB
				resUpdates := tx.Select("metadata").Where("id = ?", materialId).Updates(&userMaterialInfo)
				err = resUpdates.Error
				if err != nil {
					if err != gorm.ErrRecordNotFound {
						logc.Errorf(l.ctx, "userMaterialInfo Updates err：%+v", err)
						return err
					}
				}
			}
		} else {
			var metadataChild = make(map[string]interface{}, 1)
			metadataChild["logo_selected_id"] = reqMetadata["logo_selected_id"]
			metadataMap, err = metadata.SetMetadata(metadataChild, metadataMapOld)
			if err != nil {
				logc.Errorf(l.ctx, "metadata SetMetadata err：%+v", err)
				return err
			}
			metadataB, err := json.Marshal(metadataMap)
			if err != nil {
				logc.Errorf(l.ctx, "metadata marshal err：%+v", err)
				return err
			}
			userInfo.Metadata = &metadataB
			userInfo.Utime = &nowTime
			resUpdates := tx.Model(&userInfo).Select("metadata").Where("id = ?", userInfo.Id).Updates(&userInfo)
			err = resUpdates.Error
			if err != nil {
				if err != gorm.ErrRecordNotFound {
					logc.Errorf(l.ctx, "FsUserInfo Updates err：%+v", err)
					return err
				}
			}
		}

		return nil
	})
	if err != nil {
		logx.Error(err)
		return resp.SetStatus(basic.CodeDbSqlErr, "service fail")
	}
	return resp.SetStatus(basic.CodeOK)
}

// 处理逻辑后 w,r 如:重定向, resp 必须重新处理
// func (l *UserLogoSetLogic) AfterLogic(w http.ResponseWriter, r *http.Request, resp *basic.Response) {
// // httpx.OkJsonCtx(r.Context(), w, resp)
// }