import subprocess
import os
import argparse

def main():
    parser = argparse.ArgumentParser(description="Start the Java server")
    parser.add_argument("name", help="The base name for the server JAR and PID file")
    parser.add_argument("--java_path", help="The path to the specific Java version's bin directory", required=True)
    args = parser.parse_args()

    # Get the current script directory and its name
    script_dir = os.path.dirname(os.path.abspath(__file__))
    dir_name = os.path.basename(script_dir)

    # Path to your Java application JAR file
    JAVA_APP_PATH = os.path.join(script_dir, args.name + '.jar')

    # Path to the PID file
    PID_FILE = os.path.join(script_dir, args.name + '.pid')

    # Unique identifier for the Java application (using the directory name)
    UNIQUE_IDENTIFIER = dir_name

    # Check if the PID file already exists
    if os.path.exists(PID_FILE):
        with open(PID_FILE, 'r') as file:
            pid = file.read().strip()
            print(f"Server is already running. PID={pid}")
            exit(1)

    # Path to the specific java.exe
    JAVA_EXECUTABLE = os.path.join(args.java_path, 'java.exe')

    # Start the Java application in the background with a unique identifier
    process = subprocess.Popen([JAVA_EXECUTABLE, '-Dapp.id=' + UNIQUE_IDENTIFIER, '-Xmx1024M', '-Xms1024M', '-jar', JAVA_APP_PATH, '--nogui', '--bonusChest'],
                               stdout=subprocess.DEVNULL, stderr=subprocess.STDOUT)

    # Save the PID of the Java application
    pid = process.pid
    with open(PID_FILE, 'w') as file:
        file.write(str(pid))

    print(f"Server started with PID={pid}")

if __name__ == "__main__":
    main()