package admin

import (
	model "github.com/HFO4/cloudreve/models"
	"github.com/HFO4/cloudreve/pkg/serializer"
	"strings"
)

// AddUserService 用户添加服务
type AddUserService struct {
	User     model.User `json:"User" binding:"required"`
	Password string     `json:"password"`
}

// UserService 用户ID服务
type UserService struct {
	ID uint `uri:"id" json:"id" binding:"required"`
}

// Get 获取用户详情
func (service *UserService) Get() serializer.Response {
	group, err := model.GetUserByID(service.ID)
	if err != nil {
		return serializer.Err(serializer.CodeNotFound, "用户不存在", err)
	}

	return serializer.Response{Data: group}
}

// Add 添加用户
func (service *AddUserService) Add() serializer.Response {
	if service.User.ID > 0 {

		user, _ := model.GetUserByID(service.User.ID)
		if service.Password != "" {
			user.SetPassword(service.Password)
		}

		// 只更新必要字段
		user.Nick = service.User.Nick
		user.Email = service.User.Email
		user.GroupID = service.User.GroupID
		user.Status = service.User.Status
		user.Score = service.User.Score

		// 检查愚蠢操作
		if user.ID == 1 && user.GroupID != 1 {
			return serializer.ParamErr("无法更改初始用户的用户组", nil)
		}

		if err := model.DB.Save(&user).Error; err != nil {
			return serializer.ParamErr("用户保存失败", err)
		}
	} else {
		service.User.SetPassword(service.Password)
		if err := model.DB.Create(&service.User).Error; err != nil {
			return serializer.ParamErr("用户组添加失败", err)
		}
	}

	return serializer.Response{Data: service.User.ID}
}

// Users 列出用户
func (service *AdminListService) Users() serializer.Response {
	var res []model.User
	total := 0

	tx := model.DB.Model(&model.User{})
	if service.OrderBy != "" {
		tx = tx.Order(service.OrderBy)
	}

	for k, v := range service.Conditions {
		tx = tx.Where(k+" = ?", v)
	}

	if len(service.Searches) > 0 {
		search := ""
		for k, v := range service.Searches {
			search += (k + " like '%" + v + "%' OR ")
		}
		search = strings.TrimSuffix(search, " OR ")
		tx = tx.Where(search)
	}

	// 计算总数用于分页
	tx.Count(&total)

	// 查询记录
	tx.Set("gorm:auto_preload", true).Limit(service.PageSize).Offset((service.Page - 1) * service.PageSize).Find(&res)

	// 补齐缺失用户组

	return serializer.Response{Data: map[string]interface{}{
		"total": total,
		"items": res,
	}}
}