package invite

import (
	"errors"
	"time"
)

var ErrEmailHasAccount = errors.New("email already has an account")
var ErrPendingInvite = errors.New("pending invite already exists")
var ErrInviteNotFound = errors.New("invite not found")
var ErrInviteEmailNotSent = errors.New("invite email not sent")

const Lifetime = 3 * 24 * time.Hour

type Status string

const (
	StatusPending  Status = "pending"
	StatusExpired  Status = "expired"
	StatusAccepted Status = "accepted"
)

type Invite struct {
	ID         uint32     `json:"id"`
	Email      string     `json:"email"`
	HashedCode string     `json:"hashed_code"`
	ExpiresAt  time.Time  `json:"expires_at"`
	InvitedBy  uint32     `json:"invited_by"`
	AcceptedAt *time.Time `json:"accepted_at"`
	CreatedAt  time.Time  `json:"created_at"`
}

func (i Invite) StatusAt(now time.Time) Status {
	if i.AcceptedAt != nil {
		return StatusAccepted
	}
	if i.ExpiresAt.After(now) {
		return StatusPending
	}
	return StatusExpired
}