import os
import sys
# DON'T CHANGE THIS !!!
sys.path.insert(0, os.path.dirname(os.path.dirname(__file__)))

from flask import Flask, send_from_directory
from flask_cors import CORS
from src.models.user import db
from src.routes.user import user_bp
from src.routes.ai_chat import ai_chat_bp

app = Flask(__name__, static_folder=os.path.join(os.path.dirname(__file__), 'static'))
app.config['SECRET_KEY'] = os.environ.get('SECRET_KEY', 'asdf#FGSgvasgf$5$WGT')

# Enable CORS for all routes
CORS(app)

app.register_blueprint(user_bp, url_prefix='/api')
app.register_blueprint(ai_chat_bp, url_prefix='/api')

# Database configuration
database_path = os.path.join(os.path.dirname(__file__), 'database', 'app.db')
app.config['SQLALCHEMY_DATABASE_URI'] = f"sqlite:///{database_path}"
app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False

# Ensure database directory exists
os.makedirs(os.path.dirname(database_path), exist_ok=True)

db.init_app(app)
with app.app_context():
    db.create_all()

# Health check endpoint
@app.route('/health')
def health_check():
    return {'status': 'healthy', 'message': 'Server is running'}, 200

# GPU status endpoint (if needed for health check)
@app.route('/api/gpu-status')
def gpu_status():
    return {'status': 'ok', 'message': 'GPU status endpoint'}, 200

@app.route('/', defaults={'path': ''})
@app.route('/<path:path>')
def serve(path):
    static_folder_path = app.static_folder
    if static_folder_path is None:
        return "Static folder not configured", 404

    if path != "" and os.path.exists(os.path.join(static_folder_path, path)):
        return send_from_directory(static_folder_path, path)
    else:
        index_path = os.path.join(static_folder_path, 'index.html')
        if os.path.exists(index_path):
            return send_from_directory(static_folder_path, 'index.html')
        else:
            return "index.html not found", 404


if __name__ == '__main__':
    # Get port from environment variable, default to 5000
    port = int(os.environ.get('PORT', 5000))
    debug = os.environ.get('FLASK_ENV') == 'development'
    
    app.run(host='0.0.0.0', port=port, debug=debug)