package beaconfire

import (
	"errors"
	"fmt"
	"time"
)

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

type BeaconParam struct {
	From, Title, Content string
	Ts                   int64
	To                   []string
	Fmt                  string
}

func NewBeaconParam(from, title, content string, fmt string, to ...string) *BeaconParam {
	bp := &BeaconParam{
		From:    from,
		Title:   title,
		Content: content,
		Ts:      time.Now().Unix(),
		Fmt:     fmt,
	}

	bp.To = append(bp.To, to...)
	return bp
}

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

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

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

type BeaconFire interface {
	Name() string
	Send(*BeaconParam) error
}