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

app = Flask(__name__)
CORS(app)
logging.basicConfig(level=logging.INFO)

@app.route('/health', methods=['GET'])
def health():
    return jsonify({"status": "ok"}), 200

@app.route('/generate-audio', methods=['POST'])
def generate_audio_route():
    data = request.get_json()
    text = data.get("text", "").strip()

    if not text:
        return jsonify({"error": "Text is required"}), 400

    try:
        filename = generate_audio(text)
        app.logger.info(f"Successfully generated audio for text: {text[:50]}...")
        return send_file(
            filename,
            mimetype="audio/mpeg",
            as_attachment=True,
            download_name="lesson_audio.mp3"
        )
    except RuntimeError as e:
        app.logger.error(f"Audio generation failed: {str(e)}")
        return jsonify({"error": str(e)}), 500
    except Exception as e:
        app.logger.error(f"Unexpected error: {str(e)}")
        return jsonify({"error": "Internal server error"}), 500

if __name__ == "__main__":
    app.run(host='0.0.0.0', port=7860)