package service

import (
	"database/sql"
	"drive-linked/model"
	"drive-linked/pkg/dto"
	"drive-linked/pkg/serializer"
	"github.com/kataras/iris/v12"
	"net/http"
)

type UsersService struct {
	Ctx iris.Context
}

const (
	MethodUserName  = "name"
	MethodUserEmail = "email"
)

func NewUsersService(ctx iris.Context) *UsersService {
	return &UsersService{Ctx: ctx}
}

func (serv *UsersService) GetOneUser(field, method string) {
	var err error
	resp := dto.NewResponse(serv.Ctx)
	user := &model.User{}

	switch method {
	case MethodUserName:
		err = user.GetByName(field)
	case MethodUserEmail:
		err = user.GetByEmail(field)
	}

	switch err {
	case nil:
		// 复制到dto对象
		var userResult dto.UserProfile
		err = userResult.CopyOf(user)
		if err != nil {
			resp.Error(http.StatusInternalServerError, "service.users Error")
		}
		resp.Success(userResult)
	case sql.ErrNoRows:
		resp.Error(serializer.ErrNoUser, "找不到此用户")
	default:
		resp.Error(http.StatusInternalServerError, "获取用户信息失败，数据库异常")
	}
}