courier

type ConfigProvider interface {
	CourierConfig(ctx context.Context) config.CourierConfigs
}

type Courier interface {
	Work(ctx context.Context) error
	QueueEmail(ctx context.Context, t EmailTemplate) (uuid.UUID, error)
	QueueSMS(ctx context.Context, t SMSTemplate) (uuid.UUID, error)
	SmtpDialer() *gomail.Dialer
	DispatchQueue(ctx context.Context) error
	DispatchMessage(ctx context.Context, msg Message) error
	SetGetEmailTemplateType(f func(t EmailTemplate) (TemplateType, error))
	SetNewEmailTemplateFromMessage(f func(d template.Dependencies, msg Message) (EmailTemplate, error))
	UseBackoff(b backoff.BackOff)
}

type Dependencies interface {
	PersistenceProvider
	x.LoggingProvider
	ConfigProvider
	x.HTTPClientProvider
}

type EmailTemplate interface {
	json.Marshaler
	EmailSubject(context.Context) (string, error)
	EmailBody(context.Context) (string, error)
	EmailBodyPlaintext(context.Context) (string, error)
	EmailRecipient() (string, error)
}

type Message struct {
	ID           uuid.UUID     `json:"-" faker:"-" db:"id"`
	NID          uuid.UUID     `json:"-"  faker:"-" db:"nid"`
	Status       MessageStatus `json:"-" db:"status"`
	Type         MessageType   `json:"-" db:"type"`
	Recipient    string        `json:"-" db:"recipient"`
	Body         string        `json:"-" db:"body"`
	Subject      string        `json:"-" db:"subject"`
	TemplateType TemplateType  `json:"-" db:"template_type"`
	TemplateData []byte        `json:"-" db:"template_data"`

	// CreatedAt is a helper struct field for gobuffalo.pop.
	CreatedAt time.Time `json:"-" faker:"-" db:"created_at"`
	// UpdatedAt is a helper struct field for gobuffalo.pop.
	UpdatedAt time.Time `json:"-" faker:"-" db:"updated_at"`
}

type MessageStatus int

type MessageType int

type PersistenceProvider interface {
	CourierPersister() Persister
}

type Persister interface {
	AddMessage(context.Context, *Message) error

	NextMessages(context.Context, uint8) ([]Message, error)

	SetMessageStatus(context.Context, uuid.UUID, MessageStatus) error

	LatestQueuedMessage(ctx context.Context) (*Message, error)
}

type Provider interface {
	Courier(ctx context.Context) Courier
}

type SMSTemplate interface {
	json.Marshaler
	SMSBody(context.Context) (string, error)
	PhoneNumber() (string, error)
}

type TemplateType string