package model

import (
	"bigdata_archives/app/e"
	"bigdata_archives/global"
	"bigdata_archives/unity"
	"bigdata_archives/utils"
	"database/sql/driver"
	"encoding/json"
	"fmt"
	"log"
)

type User struct {
	utils.BaseModel
	Account  string `json:"account" validate:"required"`
	Password string `json:"password" validate:"required"`
	State    *int   `json:"state"`
	Menu     Menus  `gorm:"type:json" json:"menu"`
}

type UserDto struct {
	User
	Token string `json:"token"`
}

func (*User) TableName() string {
	return "user"
}

type Menus []string

func (lo Menus) Value() (driver.Value, error) {
	return json.Marshal(lo)
}

func (fn *Menus) Scan(src interface{}) error {
	if src == nil {
		*fn = make(Menus, 0)
		return nil
	}
	var u []byte
	switch v := src.(type) {
	case string:
		u = []byte(v)
	case []byte:
		u = v
	default:
		return fmt.Errorf("unsupported type: %T", src)
	}
	return json.Unmarshal(u, (*[]string)(fn))
}

// Login 登录
func (u *User) Login(userName, password string) (UserDto, e.Rescode) {
	//TODO implement me
	md5 := utils.MD5(password)
	tx := global.DBLink.Where("account = ?", userName).Where("password = ?", md5).Where("state = ?", 1).First(&u)
	if tx.Error != nil {
		return UserDto{}, e.AccountAndPasswordIsWrong
	}
	if tx.RowsAffected > 0 {
		token, err := utils.CreateToken(u.ID, u.Account, "user")
		if err != nil {
			return UserDto{}, e.TheUserAlreadyExists
		}
		var userDto = UserDto{}
		userDto.Token = token
		return userDto, e.SUCCESS
	}
	return UserDto{}, e.LoginFailed
}

// CreateAdmin 创建管理员
func CreateAdmin() {
	var user = User{}
	var count int64
	global.DBLink.Table("user").Where("account = ?", "admin").Count(&count)
	if count == 0 {
		user.Account = "admin"
		user.Menu = []string{"*"}
		if user.State == nil {
			user.State = new(int)
			*user.State = 1
		}
		md5 := utils.MD5("123456")
		user.Password = md5
		create := global.DBLink.Create(&user)
		if create.Error == nil && create.RowsAffected > 0 {
			log.Println("管理员创建成功")
		}
	}
}

// AddUser 添加用户
func (u *User) AddUser(user User) (User, e.Rescode) {
	//TODO implement me
	md5 := utils.MD5(user.Password)
	user.Password = md5
	if user.State == nil {
		user.State = new(int)
		*user.State = 1
	}
	tx := global.DBLink.Create(&user)
	if tx.Error != nil && tx.RowsAffected == 0 {
		return User{}, e.CreateFailed
	} else {
		return user, e.SUCCESS
	}
}
func (u *User) GetUser(params unity.QueryPageParams) ([]User, e.Rescode) {
	//TODO implement me
	panic("implement me")
}

func (u *User) GetUserById(id int) (User, e.Rescode) {
	//TODO implement me
	var user User
	tx := global.DBLink.Where("id = ?", id).First(&user)
	if tx.Error == nil && tx.RowsAffected > 0 {
		return user, e.SUCCESS
	}
	return User{}, e.TheUserIsEmpty
}