"""
Configuration settings for Prezenta Work application
All server addresses and credentials are managed here
"""

import os
from pathlib import Path

# Base directories
BASE_DIR = Path(__file__).parent
DATA_DIR = BASE_DIR / "data"
FILES_DIR = BASE_DIR / "Files"
LOGS_DIR = DATA_DIR

# Ensure directories exist
DATA_DIR.mkdir(exist_ok=True)
FILES_DIR.mkdir(exist_ok=True)
LOGS_DIR.mkdir(exist_ok=True)

# ============================================================================
# SERVER CONFIGURATION
# ============================================================================

# Monitoring Server (Server_Monitorizare)
MONITORING_SERVER_HOST = os.environ.get('MONITORING_SERVER_HOST', '192.168.1.103')
MONITORING_SERVER_PORT = int(os.environ.get('MONITORING_SERVER_PORT', 80))
MONITORING_SERVER_URL = f"http://{MONITORING_SERVER_HOST}:{MONITORING_SERVER_PORT}/logs"

# Auto-Update Server
AUTO_UPDATE_SERVER_HOST = os.environ.get('AUTO_UPDATE_SERVER_HOST', '192.168.1.103')
AUTO_UPDATE_SERVER_USER = os.environ.get('AUTO_UPDATE_SERVER_USER', 'pi')
AUTO_UPDATE_SERVER_PASSWORD = os.environ.get('AUTO_UPDATE_SERVER_PASSWORD', 'Initial01!')
AUTO_UPDATE_SERVER_APP_PATH = "/home/pi/Desktop/prezenta/app.py"
AUTO_UPDATE_SERVER_REPO_PATH = "/home/pi/Desktop/prezenta/Files/reposytory"

# Network Connectivity Check
CONNECTIVITY_CHECK_HOST = os.environ.get('CONNECTIVITY_CHECK_HOST', '192.168.1.103')
CONNECTIVITY_CHECK_INTERVAL = 2700  # 45 minutes in seconds

# ============================================================================
# LOCAL CONFIGURATION
# ============================================================================

# File paths
DEVICE_INFO_FILE = DATA_DIR / "device_info.txt"
ID_MASA_FILE = DATA_DIR / "idmasa.txt"
TAG_FILE = DATA_DIR / "tag.txt"
LOG_FILE = LOGS_DIR / "log.txt"

# Logging
LOG_FILENAME = str(LOG_FILE)
LOG_FORMAT = '%(asctime)s - %(levelname)s - %(message)s'
LOG_RETENTION_DAYS = 10

# ============================================================================
# FLASK APPLICATION CONFIGURATION
# ============================================================================

# Try to use FLASK_PORT from environment, default to 80
FLASK_PORT = int(os.environ.get('FLASK_PORT', 80))
FLASK_HOST = '0.0.0.0'
FLASK_DEBUG = False
FLASK_USE_RELOADER = False

# Preferred ports for fallback (in order of preference)
PREFERRED_PORTS = [
    FLASK_PORT,
    80,
    5000,
    8080,
    3000
]

# ============================================================================
# REQUEST CONFIGURATION
# ============================================================================

REQUEST_TIMEOUT = 5  # seconds
UPDATE_TIMEOUT = 30  # seconds for version check
REPO_SYNC_TIMEOUT = 60  # seconds for repository sync

# ============================================================================
# HARDWARE CONFIGURATION
# ============================================================================

# Serial devices for RFID reader (in order of preference)
SERIAL_DEVICES = [
    '/dev/ttyS0',    # Raspberry Pi default
    '/dev/ttyAMA0',  # Alternative Pi UART
    '/dev/ttyUSB0',  # USB serial adapter
    '/dev/ttyACM0'   # USB CDC ACM device
]

# GPIO devices
GPIO_DEVICES = ['/dev/gpiomem', '/dev/mem']

# ============================================================================
# SYSTEM CONFIGURATION
# ============================================================================

# Commands allowed to execute via /execute_command endpoint
ALLOWED_COMMANDS = [
    "sudo apt update",
    "sudo apt upgrade -y",
    "sudo apt autoremove -y",
    "sudo apt autoclean",
    "sudo reboot",
    "sudo shutdown -h now",
    "df -h",
    "free -m",
    "uptime",
    "systemctl status",
    "sudo systemctl restart networking",
    "sudo systemctl restart ssh"
]

# Command execution timeout
COMMAND_TIMEOUT = 300  # 5 minutes

# ============================================================================
# RFID READER CONFIGURATION
# ============================================================================

# Special card IDs
CONFIG_CARD_ID = 12886709  # Card used for configuration

# ============================================================================
# DEPENDENCIES
# ============================================================================

# Required Python packages and their wheel files
REQUIRED_PACKAGES = {
    'rdm6300': 'rdm6300-0.1.1-py3-none-any.whl',
    'gpiozero': None,  # System package
    'requests': 'requests-2.32.3-py3-none-any.whl',
    'aiohttp': 'aiohttp-3.11.18-cp311-cp311-manylinux_2_17_aarch64.manylinux2014_aarch64.whl',
    'flask': None,  # Will try pip install if needed
    'urllib3': 'urllib3-2.3.0-py3-none-any.whl',
    'certifi': 'certifi-2025.1.31-py3-none-any.whl',
    'charset_normalizer': 'charset_normalizer-3.4.1-py3-none-any.whl',
    'idna': 'idna-3.10-py3-none-any.whl',
    'multidict': 'multidict-6.4.3-cp311-cp311-manylinux_2_17_aarch64.manylinux2014_aarch64.whl',
    'aiosignal': 'aiosignal-1.3.2-py2.py3-none-any.whl',
    'frozenlist': 'frozenlist-1.6.0-cp311-cp311-manylinux_2_17_aarch64.manylinux2014_aarch64.whl',
    'attrs': 'attrs-25.3.0-py3-none-any.whl',
    'yarl': 'yarl-1.20.0-cp311-cp311-manylinux_2_17_aarch64.manylinux2014_aarch64.whl',
    'aiohappyeyeballs': 'aiohappyeyeballs-2.6.1-py3-none-any.whl',
    'propcache': 'propcache-0.3.1-cp311-cp311-manylinux_2_17_aarch64.manylinux2014_aarch64.whl'
}

REPOSITORY_PATH = FILES_DIR / "reposytory"

def load_from_env_file():
    """Load configuration from .env file if it exists"""
    env_file = BASE_DIR / '.env'
    if env_file.exists():
        try:
            from dotenv import load_dotenv
            load_dotenv(env_file)
        except ImportError:
            print("Warning: python-dotenv not installed, skipping .env file")

# Load environment variables at startup
load_from_env_file()