#!/bin/bash
# TTS synthesis test
curl -v -o /tmp/test_tts.wav \
  -H "Content-Type: application/json" \
  -d '{"input":"Hello world, this is a test of the text to speech engine.","voice":"Vivian"}' \
  http://localhost:8072/v1/audio/speech 2>&1

echo "---"
if [ -f /tmp/test_tts.wav ]; then
  ls -la /tmp/test_tts.wav
  file /tmp/test_tts.wav 2>/dev/null || echo "(file cmd not found)"
  python3 -c "
import struct
with open('/tmp/test_tts.wav','rb') as f:
    hdr = f.read(44)
    if hdr[:4] == b'RIFF':
        sz = struct.unpack('<I', hdr[4:8])[0]
        fmt = hdr[8:12]
        ch = struct.unpack('<H', hdr[22:24])[0]
        sr = struct.unpack('<I', hdr[24:28])[0]
        print(f'WAV: size={sz+8}, channels={ch}, sample_rate={sr}')
    else:
        print(f'Not WAV, first bytes: {hdr[:20]}')
" 2>&1
else
  echo "No output file created"
fi