package service

import (
	"github.com/pkg/errors"
	"gorm.io/gorm"
	"sghgogs.com/micro/common"
	"sghgogs.com/micro/common/errorcode"
	pb "sghgogs.com/micro/shopping-service/proto"
	"sghgogs.com/micro/shopping-service/utils"
)

func (svc *Service) Login(auth *pb.LoginRequest) (*pb.User, int64, error) {
	var user *pb.User
	group, err := svc.Repository.GetUserGroup(&pb.GetUserGroupRequest{Code: auth.Code})
	if err != nil {
		if errors.Is(err, gorm.ErrRecordNotFound) {
			return user, 0, errorcode.New(svc.Namespace, common.ErrorMessage[common.InvalidCodeError], 500)
		}
		return user, 0, errorcode.New(svc.Namespace, err.Error(), 500)
	}
	if !utils.IsUserGroup(group.ID) {
		return user, 0, errorcode.New(svc.Namespace, common.ErrorMessage[common.NotAssignedError], 500)
	}
	if utils.UserUserGroupID == group.ID {
		if exists, err := svc.Repository.IsUserExists(auth.Username); err != nil {
			return user, 0, errorcode.New(svc.Namespace, err.Error(), 500)
		} else {
			if !exists {
				return user, 0, errorcode.New(svc.Namespace, common.ErrorMessage[common.AccountDoesNotExist], 400)
			}
		}
	}
	if utils.AdminUserGroupID == group.ID {
		if exists, err := svc.Repository.IsAdminUserExists(auth.Username); err != nil {
			return user, 0, errorcode.New(svc.Namespace, err.Error(), 500)
		} else {
			if !exists {
				return user, 0, errorcode.New(svc.Namespace, common.ErrorMessage[common.AccountDoesNotExist], 400)
			}
		}
	}
	login, err := svc.Repository.Login(auth.Username)
	if err != nil {
		return user, 0, errorcode.New(svc.Namespace, err.Error(), 500)
	}
	if !utils.CheckPasswordHash(auth.Password, login.Password) {
		return user, 0, errorcode.BadRequest(svc.Namespace, common.ErrorMessage[common.IncorrectPasswordErrorCode])
	}
	res := svc.getUserRes(&login)
	if utils.AdminUserGroupID == group.ID {
		res.Roles = svc.getBaseRoleRes(login.Roles)
	}
	return res, group.ID, nil
}

func (svc *Service) Profile(groupID int64, userID int64) (*pb.User, error) {
	// Profile
	profile, err := svc.Repository.Profile(userID)
	if err != nil {
		return &pb.User{}, errorcode.New(svc.Namespace, err.Error(), 500)
	}
	res := svc.getUserRes(&profile)
	if utils.AdminUserGroupID == groupID {
		res.Roles = svc.getBaseRoleRes(profile.Roles)
	}
	return res, nil
}