from flask import Flask, render_template, redirect, url_for, request, session
import os
import subprocess
import psutil

app = Flask(__name__)
app.secret_key = os.getenv("FLASK_SECRET_KEY", "default_secret_key")

# Speichern der Prozess-ID
bot_process = None

def bot_status():
    """Überprüft, ob der Bot läuft."""
    global bot_process
    if bot_process is None:
        return False
    return bot_process.poll() is None  # None bedeutet, dass der Prozess noch läuft

def start_bot():
    """Startet den Bot."""
    global bot_process
    if not bot_status():
        bot_process = subprocess.Popen(["python", "bot.py"], cwd=os.path.dirname(os.path.abspath(__file__)))
    else:
        print("Bot läuft bereits.")

def stop_bot():
    """Stoppt den Bot."""
    global bot_process
    if bot_process and bot_status():
        bot_process.terminate()
        bot_process.wait()  # Warten, bis der Prozess beendet ist
        bot_process = None
    else:
        print("Bot läuft nicht.")

@app.route("/")
def index():
    if "username" in session:
        return render_template("index.html", bot_running=bot_status())
    return redirect(url_for("login"))

@app.route("/login", methods=["GET", "POST"])
def login():
    if request.method == "POST":
        username = request.form["username"]
        password = request.form["password"]
        if username == os.getenv("ADMIN_USER") and password == os.getenv("ADMIN_PASS"):
            session["username"] = username
            return redirect(url_for("index"))
        else:
            return "Invalid credentials!"
    return render_template("login.html")

@app.route("/logout")
def logout():
    session.pop("username", None)
    return redirect(url_for("login"))

@app.route("/start_bot")
def start():
    if "username" in session:
        start_bot()
        return redirect(url_for("index"))
    return redirect(url_for("login"))

@app.route("/stop_bot")
def stop():
    if "username" in session:
        stop_bot()
        return redirect(url_for("index"))
    return redirect(url_for("login"))

@app.route("/settings", methods=["GET", "POST"])
def settings():
    if "username" in session:
        if request.method == "POST":
            # Hier kannst du Formulareingaben für Bot-Einstellungen verarbeiten
            pass
        return render_template("settings.html")
    return redirect(url_for("login"))

if __name__ == "__main__":
    app.run(host="0.0.0.0", port=5000, debug=True)