// Code scaffolded by goctl. Safe to edit.
// goctl 1.9.2

package user

import (
	"context"
	"errors"
	"juwan-backend/app/users/api/internal/contextx"
	"juwan-backend/app/users/rpc/usercenter"
	"juwan-backend/common/utils"

	"juwan-backend/app/users/api/internal/svc"
	"juwan-backend/app/users/api/internal/types"

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

var ChangeUserPassFailed = errors.New("change user pass failed")

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

// 修改用户密码
func NewUpdatePasswordLogic(ctx context.Context, svcCtx *svc.ServiceContext) *UpdatePasswordLogic {
	return &UpdatePasswordLogic{
		Logger: logx.WithContext(ctx),
		ctx:    ctx,
		svcCtx: svcCtx,
	}
}

func (l *UpdatePasswordLogic) UpdatePassword(req *types.UpdatePasswordReq) (resp *types.UpdatePasswordResp, err error) {
	// todo: add your logic here and delete this line
	userId, err := contextx.UserIDFrom(l.ctx)
	if err != nil {
		logx.Errorf("get user id from context failed, err:%v.", err)
		return nil, ChangeUserPassFailed
	}

	user, err := l.svcCtx.UserRpc.GetUsersById(l.ctx, &usercenter.GetUsersByIdReq{
		Id: userId,
	})
	if err != nil {
		logx.Errorf("get user info failed, err:%v.", err)
		return nil, ChangeUserPassFailed
	}

	oldPasswd, err := utils.HashPassword(req.OldPassword)
	if err != nil {
		logx.Errorf("hash old password failed, err:%v.", err)
		return nil, ChangeUserPassFailed
	}

	if oldPasswd != user.Users.PasswordHash {
		return nil, ChangeUserPassFailed
	}

	_, err = l.svcCtx.UserRpc.UpdateUsers(l.ctx, &usercenter.UpdateUsersReq{
		Id:           userId,
		Username:     &user.Users.Username,
		PasswordHash: &req.NewPassword,
	})
	if err != nil {
		logx.Errorf("update user password failed, err:%v.", err)
		return nil, ChangeUserPassFailed
	}
	return
}