package entities

import (
	"time"

	"github.com/google/uuid"
	"gorm.io/gorm"
)

type OtpSession struct {
	ID            uuid.UUID `gorm:"type:uuid;primary_key;default:gen_random_uuid()" json:"id"`
	Token         string    `gorm:"type:varchar(255);uniqueIndex;not null" json:"token"`
	Code          string    `gorm:"type:varchar(10);not null" json:"code"`
	PhoneNumber   string    `gorm:"type:varchar(20);not null;index" json:"phone_number"`
	Purpose       string    `gorm:"type:varchar(50);not null;index" json:"purpose"`
	ExpiresAt     time.Time `gorm:"not null;index" json:"expires_at"`
	IsUsed        bool      `gorm:"default:false;index" json:"is_used"`
	AttemptsCount int       `gorm:"default:0" json:"attempts_count"`
	MaxAttempts   int       `gorm:"default:3" json:"max_attempts"`
	Metadata      Metadata  `gorm:"type:jsonb;default:'{}'" json:"metadata"`
	CreatedAt     time.Time `gorm:"autoCreateTime" json:"created_at"`
	UpdatedAt     time.Time `gorm:"autoUpdateTime" json:"updated_at"`
}

func (o *OtpSession) BeforeCreate(tx *gorm.DB) error {
	if o.ID == uuid.Nil {
		o.ID = uuid.New()
	}
	return nil
}

func (OtpSession) TableName() string {
	return "otp_sessions"
}

func (o *OtpSession) IsExpired() bool {
	return time.Now().After(o.ExpiresAt)
}

func (o *OtpSession) IsMaxAttemptsReached() bool {
	return o.AttemptsCount >= o.MaxAttempts
}

func (o *OtpSession) CanBeUsed() bool {
	return !o.IsUsed && !o.IsExpired() && !o.IsMaxAttemptsReached()
}

func (o *OtpSession) IncrementAttempts() {
	o.AttemptsCount++
}

func (o *OtpSession) MarkAsUsed() {
	o.IsUsed = true
}