#!/usr/bin/env bash
# Pocket-TTS voice generator + sender
# Usage: voice.sh "text" [voice] [format]
# Output: path to generated audio file (for chaining)

TTS_URL="https://hf4uwho-pocket-tts.hf.space/tts"
TEXT="${1:?Usage: voice.sh 'text' [voice] [format]}"
VOICE="${2:-af_alloy}"
FORMAT="${3:-ogg}"
OUTDIR="/tmp/tts"
mkdir -p "$OUTDIR"

# Unique filename
HASH=$(echo -n "$TEXT$VOICE$(date +%s%N)" | md5sum | cut -c1-12)
OUTFILE="$OUTDIR/voice_${HASH}.${FORMAT}"

# Generate
HTTP_CODE=$(curl -s -w "%{http_code}" -o "$OUTFILE" "${TTS_URL}?text=$(python3 -c "import urllib.parse; print(urllib.parse.quote('''$TEXT'''))")&voice=${VOICE}&format=${FORMAT}" 2>/dev/null)

if [ "$HTTP_CODE" != "200" ]; then
  echo "ERROR: HTTP $HTTP_CODE" >&2
  rm -f "$OUTFILE"
  exit 1
fi

# Verify it's actual audio
MIME=$(file -b --mime-type "$OUTFILE" 2>/dev/null)
if [[ "$MIME" != audio/* ]] && [[ "$MIME" != application/ogg ]]; then
  echo "ERROR: Not audio (got $MIME)" >&2
  cat "$OUTFILE" >&2
  rm -f "$OUTFILE"
  exit 1
fi

echo "$OUTFILE"