import redis
import atexit
from flask import Flask, jsonify
from flask_apscheduler import APScheduler
from datetime import datetime, timedelta
from scanner import *
from config import *
import logging
logging.getLogger('apscheduler').setLevel(logging.ERROR)  


app = Flask(__name__)
scheduler = APScheduler()
scheduler.init_app(app)
scheduler.start()
run_counter = 0

scan_macs()
# --- Scheduler job ----------------------------------------------------
@scheduler.task(
    'interval',
    id='ble_scan',
    minutes=SCAN_INTERVAL_MINUTES,
    misfire_grace_time=30
)
def ble_scan_job():
    run_counter = run_counter + 1
    """Runs in the background, calls the async scanner."""
    update_cache()
    if run_counter > 9:
        run_counter = 0


# --- API -------------------------------------------------------------
@app.route('/macs', methods=['GET'])
def list_macs():
    """Return the current set of MACs as JSON."""
    macs = sorted(get_cache_snapshot())
    return jsonify({"count": len(macs), "macs": macs})

@app.route('/details', methods=['GET'])
def sensor_detail():
    """Return the current set of MACs as JSON."""
    sensors = get_sensor_details()
    return jsonify(sensors)

@app.route('/summary', methods=['GET'])
def sensor_summary():
    """Return the current set of MACs as JSON."""
    sensors = get_sensor_summary()
    return jsonify(sensors)
    
# --- Convenience route -----------------------------------------------
@app.route('/', methods=['GET'])
def hello():
    return "BLE Scanner API - see /macs for the list."

# --- Run --------------------------------------------------------------
if __name__ == '__main__':
    # The scheduler runs in its own thread; the main thread serves Flask.
    app.run(host=bind_ip, port=api_port, debug=False)
    # Register a graceful shutdown hook so the scanner state is persisted
    atexit.register(save_state)