package beaconfire

import (
	"errors"
	"fmt"
)

const (
	BEACON_FMT_HTML     = "html"
	BEACON_FMT_MARKDOWN = "markdown"
	BEACON_FMT_PLAIN    = "plain"
)

var (
	ErrNoReceiver = errors.New("no receiver")
)

type BeaconMessage struct {
	Title   string // Message Title
	Content string // Message Content
	Ts      int64  //..
	Fmt     string
}

func NewBeaconMessage(title, content string, ts int64, fmt string) *BeaconMessage {
	bp := &BeaconMessage{
		Title:   title,
		Content: content,
		Ts:      ts,
		Fmt:     fmt,
	}

	return bp
}

func (bp BeaconMessage) FormatMarkdown() string {
	return fmt.Sprintf("### %v\n> %v\n> %v", bp.Title, Ts2Str(bp.Ts), bp.Content)
}

func (bp BeaconMessage) FormatHTML() string {
	return fmt.Sprintf("<b>%v</b>\n<i>%v</i>\n%v", bp.Title, Ts2Str(bp.Ts), bp.Content)
}

func (bp BeaconMessage) FormatPlainText() string {
	return fmt.Sprintf("%v\n%v\n%v", bp.Title, Ts2Str(bp.Ts), bp.Content)
}

// Interface of BeaconFire
type BeaconFire interface {
	Name() string
	Send(*BeaconMessage) error
}