package model

import (
	"time"

	"gorm.io/gorm"
)

// 性别取值，空字符串表示未设置。
const (
	GenderMale   = "male"
	GenderFemale = "female"
	GenderOther  = "other"
)

// User 用户，与用户组为多对多关系。
type User struct {
	ID           uint           `gorm:"primaryKey" json:"id"`
	Username     string         `gorm:"size:50;uniqueIndex;not null" json:"username"`
	Email        string         `gorm:"size:255;uniqueIndex;not null" json:"email"`
	PasswordHash string         `gorm:"size:255;not null" json:"-"`
	Nickname     string         `gorm:"size:50" json:"nickname"`
	Avatar       string         `gorm:"size:255" json:"avatar"`
	Gender       string         `gorm:"size:10;not null;default:''" json:"gender" example:"male"`
	Birthday     Date           `gorm:"type:date" json:"birthday" swaggertype:"string" example:"1995-06-15"`
	Status       int8           `gorm:"not null;default:1" json:"status"`
	Groups       []UserGroup    `gorm:"-" json:"groups"`
	CreatedAt    time.Time      `json:"created_at"`
	UpdatedAt    time.Time      `json:"updated_at"`
	DeletedAt    gorm.DeletedAt `gorm:"index" json:"-"`
}

// IsAdmin 是否属于管理员组。
func (u User) IsAdmin() bool {
	for _, group := range u.Groups {
		if group.ID == GroupIDAdmin {
			return true
		}
	}
	return false
}