app.py

import logging
import os
import sys

# Configure detailed logging from the very start
logging.basicConfig(
    level=logging.INFO,
    format="%(asctime)s - %(name)s - %(levelname)s - %(message)s",
    handlers=[logging.StreamHandler(sys.stdout)],
)

# Set up logger for this module
logger = logging.getLogger(__name__)

logger.info("=" * 80)
logger.info("🎬 STARTING APPLICATION BOOTSTRAP")
logger.info("=" * 80)
logger.info(f"📍 Current working directory: {os.getcwd()}")
logger.info(f"🐍 Python path: {sys.path[0]}")
logger.info(f"⚙️  Python version: {sys.version}")

from src.app_factory import (  # noqa: E402 (intentional import after logging setup)
    create_app,
)

logger.info("📦 Importing app factory...")

# Create the Flask app using the factory
logger.info("🏭 Creating Flask application...")
# During pytest runs, avoid initializing heavy HF startup flows
if os.getenv("PYTEST_RUNNING") == "1":
    app = create_app(initialize_vectordb=False, initialize_llm=False)
else:
    app = create_app()
logger.info("✅ Flask application created successfully")

if __name__ == "__main__":
    logger.info("-" * 80)
    logger.info("🖥️  STARTING DEVELOPMENT SERVER")
    logger.info("-" * 80)

    # Enable periodic memory logging and milestone tracking
    os.environ["MEMORY_DEBUG"] = "1"
    os.environ["MEMORY_LOG_INTERVAL"] = "10"

    port = int(os.environ.get("PORT", 8080))
    logger.info("🌐 Server configuration:")
    logger.info("   • Host: 0.0.0.0")
    logger.info(f"   • Port: {port}")
    logger.info("   • Debug: True")
    logger.info("   • Memory Debug: Enabled")

    logger.info("🚀 Starting Flask development server...")
    app.run(debug=True, host="0.0.0.0", port=port)