app.py

from flask import Flask, request, jsonify, send_file
from flask_cors import CORS
from audio_generator import generate_audio
import os
import logging
from datetime import datetime

app = Flask(__name__)
CORS(app, resources={r"/tts": {"origins": "*"}})

# Configure logging
logging.basicConfig(level=logging.INFO)
logger = logging.getLogger(__name__)

@app.route('/health', methods=['GET'])
def health():
    return jsonify({"status": "healthy", "time": datetime.utcnow().isoformat()})

@app.route('/tts', methods=['POST'])
def text_to_speech():
    try:
        if not request.is_json:
            return jsonify({"error": "JSON body required"}), 400

        data = request.get_json()
        text = data.get("text", "").strip()

        if not text:
            return jsonify({"error": "Text is required"}), 400
        if len(text) > 3000:
            return jsonify({"error": "Text exceeds 3000 character limit"}), 400

        audio_path = generate_audio(text)
        
        # Clean up old files (keep last 10)
        files = sorted([f for f in os.listdir(os.path.dirname(audio_path))], 
                      key=lambda f: os.path.getmtime(os.path.join(os.path.dirname(audio_path), f)))
        for old_file in files[:-10]:
            os.remove(os.path.join(os.path.dirname(audio_path), old_file))

        return send_file(
            audio_path,
            mimetype="audio/mpeg",
            as_attachment=True,
            download_name="speech.mp3"
        )

    except Exception as e:
        logger.error(f"Error: {str(e)}")
        return jsonify({"error": str(e)}), 500

if __name__ == "__main__":
    os.makedirs("tts_outputs", exist_ok=True)
    app.run(host="0.0.0.0", port=7860)