package dbs

import (
	"errors"
	"nf-repo/internal/interfaces/enums"
	"nf-repo/internal/sqlType"
	"time"
)

type User struct {
	Id        uint64 `json:"id" gorm:"primaryKey;column:id"`
	CreatedAt int64  `json:"created_at" gorm:"column:created_at;autoCreateTime:milli"`
	UpdatedAt int64  `json:"updated_at" gorm:"column:updated_at;autoUpdateTime:milli"`
	DeletedAt int64  `json:"deleted_at" gorm:"index;column:deleted_at;default:0"`

	Username string `json:"username" gorm:"column:username;type:varchar(64);unique"`
	Password string `json:"-" gorm:"column:password;type:varchar(256)"`

	Status enums.Status `json:"status" gorm:"column:status;default:0"`

	Nickname string `json:"nickname" gorm:"column:nickname;type:varchar(64)"`
	Comment  string `json:"comment" gorm:"column:comment"`

	Role       enums.Role                        `json:"role" gorm:"column:role"`
	Privileges sqlType.NumSlice[enums.Privilege] `json:"privileges" gorm:"column:privileges;type:bigint[]"`

	CreatedById   uint64 `json:"created_by_id" gorm:"column:created_by_id"`
	CreatedByName string `json:"created_by_name" gorm:"column:created_by_name;type:varchar(64)"`

	ActiveAt int64 `json:"active_at" gorm:"column:active_at"`
	Deadline int64 `json:"deadline" gorm:"column:deadline"`

	LoginAt int64 `json:"login_at" gorm:"-"`
}

func (u *User) IsValid(mustOk bool) error {
	now := time.Now()

	if now.UnixMilli() >= u.Deadline {
		return errors.New("用户已过期")
	}

	if now.UnixMilli() < u.ActiveAt {
		return errors.New("用户未启用")
	}

	if u.DeletedAt > 0 {
		return errors.New("用户不存在")
	}

	switch u.Status {
	case enums.StatusNormal:
	case enums.StatusFrozen:
		if mustOk {
			return errors.New("用户被冻结")
		}
	default:
		return errors.New("用户状态未知")
	}

	return nil
}