package calsub

import (
	"time"

	"github.com/google/uuid"
	"github.com/target/goalert/validation/validate"
)

// Subscription stores the information from user subscriptions
type Subscription struct {
	ID         string
	Name       string
	UserID     string
	ScheduleID string
	LastUpdate time.Time
	LastAccess time.Time
	Disabled   bool

	// Config provides necessary parameters CalendarSubscription Config (i.e. ReminderMinutes)
	Config SubscriptionConfig

	token string
}

// Token returns the authorization token associated with this CalendarSubscription. It
// is only available when calling CreateTx.
func (cs Subscription) Token() string { return cs.token }

// Normalize will validate and produce a normalized CalendarSubscription struct.
func (cs Subscription) Normalize() (*Subscription, error) {
	if cs.ID == "" {
		cs.ID = uuid.New().String()
	}

	err := validate.Many(
		validate.Range("ReminderMinutes", len(cs.Config.ReminderMinutes), 0, 15),
		validate.IDName("Name", cs.Name),
		validate.UUID("ID", cs.ID),
		validate.UUID("UserID", cs.UserID),
	)
	if err != nil {
		return nil, err
	}

	return &cs, nil
}