import os
from pathlib import Path

class Config:
    # Flask
    SECRET_KEY = os.getenv('SECRET_KEY', 'dev-secret-key-change-in-production')
    
    # GPON Device
    GPON_HOST = os.getenv('GPON_HOST', '192.168.100.1')
    GPON_PORT = int(os.getenv('GPON_PORT', 23))
    GPON_USERNAME = os.getenv('GPON_USERNAME', 'leox')
    GPON_PASSWORD = os.getenv('GPON_PASSWORD', 'leolabs_7')
    
    # Monitoring
    POLL_INTERVAL = int(os.getenv('POLL_INTERVAL', 60))  # seconds
    
    # RRD Database
    RRD_DIR = Path(os.getenv('RRD_DIR', './data/rrd'))
    RRD_DIR.mkdir(parents=True, exist_ok=True)
    
    # Thresholds
    THRESHOLDS = {
        'rx_power_min': float(os.getenv('RX_POWER_MIN', -28.0)),
        'rx_power_max': float(os.getenv('RX_POWER_MAX', -8.0)),
        'tx_power_min': float(os.getenv('TX_POWER_MIN', 0.0)),
        'tx_power_max': float(os.getenv('TX_POWER_MAX', 5.0)),
        'temperature_max': float(os.getenv('TEMPERATURE_MAX', 85.0)),
        'fec_errors_max': int(os.getenv('FEC_ERRORS_MAX', 1000)),
        'tx_bias_min': float(os.getenv('TX_BIAS_MIN', 5.0)),
        'tx_bias_max': float(os.getenv('TX_BIAS_MAX', 90.0)),
        'voltage_min': float(os.getenv('VOLTAGE_MIN', 3.0)),
        'voltage_max': float(os.getenv('VOLTAGE_MAX', 3.6)),
    }
    
    # Web Interface
    LISTEN_HOST = os.getenv('LISTEN_HOST', '0.0.0.0')
    LISTEN_PORT = int(os.getenv('LISTEN_PORT', 8080))