package sine

import (
	"io"
	"log"
	"time"

	"git.icedream.tech/icedream/uplink/app/channels"
	humanize "github.com/dustin/go-humanize"
	"github.com/viert/lame"
)

type pluginInstance struct {
}

func (instance *pluginInstance) SetChannelManager(channelManager *channels.ChannelManager) {
	c, err := channelManager.Open("sine")
	if err != nil {
		log.Println("ERROR: sine channel could not be opened:", err)
		log.Println("Skipping sine channel creation")
		return
	}

	wr := lame.NewWriter(c.InputStream)
	wr.Encoder.SetBitrate(192)
	wr.Encoder.SetQuality(1)
	wr.Encoder.SetInSamplerate(44100)
	wr.Encoder.SetNumChannels(2)
	wr.Encoder.InitParams()

	go func() {
		log.Println("Sine stream goroutine started")

		sine := new(SineStream)
		sine.Samplerate = 44100
		sine.Frequency = 990
		sine.Beep = true
		sine.Timestamp = time.Now()

		log.Println("Will now broadcast sine stream")
		n, err := io.Copy(wr, sine)
		if err != nil {
			log.Fatal("Sine stream copy failed:", err)
		}
		log.Println("Sine stream finished, written", humanize.Bytes(uint64(n)), "bytes")
	}()
}