package main

import (
	"fmt"
	"log"

	"encoding/base64"

	"io/ioutil"

	"github.com/hamcha/clessy/tg"
)

func stt(broker *tg.Broker, update tg.APIMessage) {
	if isCommand(update, "stt") {
		// Make replies work
		if update.ReplyTo != nil && update.ReplyTo.Voice != nil {
			update.Voice = update.ReplyTo.Voice
		}

		broker.SendTextMessage(update.Chat, fmt.Sprintf("Ok! Eccoti intanto delle informazioni sul file: \n<b>Durata: </b> %ds\n<b>Dimensione:</b> %d\n<b>Tipo:</b> %s", update.Voice.Duration, update.Voice.FileSize, *update.Voice.MimeType), &update.MessageID)

		broker.GetFile(update.Voice.FileID, func(broker *tg.Broker, data tg.BrokerUpdate) {
			if data.Type == tg.BError {
				log.Printf("[stt] Received error from broker: %s\n", *data.Error)
				broker.SendTextMessage(update.Chat, "<b>ERRORE!</b> @hamcha controlla la console!", &update.MessageID)
				return
			}

			bytes, err := base64.StdEncoding.DecodeString(*data.Bytes)
			if err != nil {
				log.Printf("[stt] Base64 decode error: %s\n", err.Error())
				broker.SendTextMessage(update.Chat, "<b>ERRORE!</b> @hamcha controlla la console!", &update.MessageID)
				return
			}

			err = ioutil.WriteFile(update.Voice.FileID, bytes, 0755)
			if err != nil {
				log.Printf("[stt] Save to file error: %s\n", err.Error())
				broker.SendTextMessage(update.Chat, "<b>ERRORE!</b> @hamcha controlla la console!", &update.MessageID)
				return
			}

			broker.SendTextMessage(update.Chat, fmt.Sprintf("Salvata registrazione su disco! (fname %s)", update.Voice.FileID), &update.MessageID)
		})
	}
}