import os
from flask import Flask, render_template
from flask_bootstrap import Bootstrap5
from models import db, Feature

app = Flask(__name__)
db_user = os.getenv('DB_USER', 'postgres')
db_pass = os.getenv('DB_PASS', 'password')  # Fallback; overridden by env
db_name = os.getenv('DB_NAME', 'demo_db')
app.config['SQLALCHEMY_DATABASE_URI'] = f'postgresql://{db_user}:{db_pass}@db:5432/{db_name}'
app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False

bootstrap = Bootstrap5(app)
db.init_app(app)

@app.route('/')
def index():
    with app.app_context():
        Feature.seed_db()  # Seed on first load if empty
        features = Feature.query.all()
    return render_template('index.html', features=features)