from flask import Flask, render_template_string, jsonify
from flask_cors import CORS
from cloudflare import get_dns_records
import os
import logging

# Configurazione logging
logging.basicConfig(
    level=logging.INFO,
    format='%(asctime)s - %(name)s - %(levelname)s - %(message)s'
)
logger = logging.getLogger(__name__)

app = Flask(__name__)
CORS(app)  # Abilita CORS per richieste AJAX

# ----------------------------
# Template HTML
# ----------------------------
with open("templates/index.html", encoding="utf-8") as f:
    TEMPLATE = f.read()

REFRESH_SECONDS = int(os.getenv("REFRESH_SECONDS", "60"))

# ----------------------------
# Endpoint principale
# ----------------------------
@app.route("/")
def index():
    try:
        records = get_dns_records()
        return render_template_string(TEMPLATE, records=records, refresh_seconds=REFRESH_SECONDS)
    except Exception as e:
        logger.error(f"Errore nel caricamento dei record: {e}")
        return render_template_string(TEMPLATE, records=[], refresh_seconds=REFRESH_SECONDS)

# ----------------------------
# API endpoint per refresh AJAX
# ----------------------------
@app.route("/api/records")
def api_records():
    try:
        records = get_dns_records()
        return jsonify({"success": True, "records": records})
    except Exception as e:
        logger.error(f"Errore API: {e}")
        return jsonify({"success": False, "error": str(e)}), 500

# ----------------------------
# Health check
# ----------------------------
@app.route("/health")
def health():
    return jsonify({"status": "ok"}), 200

# ----------------------------
# Avvio Flask
# ----------------------------
if __name__ == "__main__":
    logger.info(f"Avvio server su porta 5000 con refresh ogni {REFRESH_SECONDS}s")
    app.run(host="0.0.0.0", port=5000, debug=False)