package main

import (
	"context"
	"time"

	"go.mau.fi/whatsmeow/proto/waE2E"
)

// whatsappVoiceDownloadTimeout bounds one voice-note media download.
const whatsappVoiceDownloadTimeout = 2 * time.Minute

// whatsappVoice stores and transcribes accepted voice notes before their batch
// is acknowledged. Failure markers reveal no URLs, keys, or process output.
func whatsappVoice(ctx context.Context, client WhatsAppClient, store *VoiceStore, transcriber *VoiceTranscriber, audio *waE2E.AudioMessage) string {
	if audio.GetFileLength() > voiceMaxBytes || client == nil {
		return "(voice not downloaded)"
	}

	downloadCtx, cancel := context.WithTimeout(ctx, whatsappVoiceDownloadTimeout)
	defer cancel()

	data, err := client.Download(downloadCtx, audio)
	if err != nil {
		return "(voice not downloaded)"
	}

	return transcriber.Text(ctx, store, data)
}