import os
import logging
import time
from datetime import datetime
from flask import Flask, request, jsonify
#from win10toast import ToastNotifier
#import asyncio
import subprocess
import signal
import psutil

import telegram
from telegram import Update 
from telegram.ext import Updater, CommandHandler, CallbackContext, MessageHandler, filters
import telegram.error

logging.basicConfig(filename='osiris_listener.log', level=logging.DEBUG, format='%(asctime)s %(message)s')

app = Flask(__name__)
#toaster = ToastNotifier()

####
# Constants
####

java_minecraft_servers = {
    "mc_vanilla" : {
        'profile_id': 'vanilla',
        'server_name': 'Vanilla 1.21',
        'directory': 'C:/Users/4lexK/Desktop/GameServers/Minecraft/Vanilla_1-21/'
    },
    "mc_sanderpack" : {
        'profile_id': 'sanderpack',
        'server_name': 'The 1.12.2 Pack (SanderPack)',
        'directory': 'C:/Users/4lexK/Desktop/GameServers/Minecraft/1-12-2-Pack/'
    },
    "mc_sanderhorizons" : {
        'profile_id': 'sanderhorizons',
        'server_name': 'GT New Horizons 2.6.0 (SanderHorizons)',
        'directory': 'C:/Users/4lexK/Desktop/GameServers/Minecraft/gt_new_horizons_2.6.0/'
    },
    "mc_sanderhardcore" : {
        'profile_id': 'sanderhardcore',
        'server_name': 'RLCraft 2.9.3 (SanderHardcore)',
        'directory': 'C:/Users/4lexK/Desktop/GameServers/Minecraft/rlcraft/'
    },
    "mc_sandervalley" : {
        'profile_id': 'sandervalley',
        'server_name': 'Farming Valley (SanderValley)',
        'directory': 'C:/Users/4lexK/Desktop/GameServers/Minecraft/farming_valley_1-1-2/'
    }   
}

####
# Tool Functions
####
def read_pid_file(pid_file):
    """Read the PID from the specified PID file."""
    try:
        with open(pid_file, 'r') as file:
            pid = int(file.read().strip())
        return pid
    except (FileNotFoundError, ValueError):
        return None

def is_java_process(pid):
    try:
        p = psutil.Process(pid)
        return 'java' in p.name().lower()
    except psutil.NoSuchProcess:
        return False

####
# Flask Functions
####

@app.route('/osiris_execute', methods=['POST'])
def execute_script():
    logging.info("Commando zur Ausführung erhalten.")
    data = request.get_json()
    command = data.get('command')
    
    if not command:
        logging.error("No command provided in request.")
        return jsonify({'error': 'No command provided'}), 400
    
    logging.debug(f"Commando: {command}")
    # Hier neue Commands zur Prüfung einpflegen
    clean_command = command.strip()
    match clean_command:
        case 'testcommand':
            try:
                #toaster.show_toast("TestCommand", "Verbindung wurde getestet", d)uration=10)
                #asyncio.run(send_telegram_message("Test command executed."))
                return jsonify({'message': 'Test Command abgesetzt und Notification auf bei Host erstellt.'})
            except Exception as exc:
                logging.error(f"Error executing test command: {exc}")
                #asyncio.run(send_telegram_message(f"Error executing test command: {e}"))
                return jsonify({'message': f'Error: {str(exc)}'}), 500     
                        
        case 'shutdown':
            logging.info("Received request to shutdown.")
            try:
                #toaster.show_toast("Shutdown", "Shutdown Command erhalten. Host wird heruntergefahren.", duration=10)
                os.system("shutdown /s /t 1")
                #asyncio.run(send_telegram_message("Ich schlafe dann weiter. Bis demnächst :-)"))
                return jsonify({'message': 'Shutdown command wurde ausgeführt. System fährt herunter.'})
            except Exception as e:
                logging.error(f"Error executing shutdown command: {exc}")
                #asyncio.run(send_telegram_message(f"Error executing shutdown command: {e}"))
                return jsonify({"message": "Fehler beim veranlassen des Shutdowns", 'error': str(e)}), 500
            

@app.route('/status_nuc', methods=['GET'])
def status():
    logging.info("Status check received.")
    # Get CPU and RAM usage
    cpu_usage = psutil.cpu_percent(interval=1)
    ram_usage = psutil.virtual_memory().percent
    status = {
        "cpu": cpu_usage, 
        "ram": ram_usage
    }
    return jsonify({'message': f'status = online | CPU = {cpu_usage} | RAM = {ram_usage}'})


@app.route('/status_servers', methods=['GET'])
def status_gameservers():
    logging.info("Check Status der Server")
    response_msg = "Status Game Server:"
    for profile in java_minecraft_servers.keys():
        server = java_minecraft_servers[profile]
        pid_file = os.path.join(server['directory'], 'server.pid')
        if os.path.exists(pid_file):
            with open(pid_file, 'r') as file:
                pid = int(file.read().strip())
                if psutil.pid_exists(pid) and is_java_process(pid):
                    response_msg += f"\nServer {server['server_name']} läuft mit PID {pid}."
                else:
                    response_msg += f"\nServer {server['server_name']} läuft nicht."                   
        else:
            response_msg += f"\nKein PID file für Server {server['server_name']} gefunden."
    
    return jsonify({"message": response_msg })


if __name__ == '__main__':
    #toaster.show_toast("Starte Osiris", "Osiris Listener wurde gestartet. Warte auf Befehle...", duration=30)
    logging.info("Starte Server.")
    #asyncio.run(send_telegram_message(f"Nuc_Morroc hier. Bin jetzt wach ;-)"))
        
    app.run(host='0.0.0.0', port=9713)