import subprocess
import shlex


class MinecraftServerManager:
    def __init__(self):
        self.servers = {}

    def start_server(self, server_directory, java_executable='java', jar_file='server.jar', memory_size='2048M'):
        command = f"{java_executable} -Xmx{memory_size} -Xms{memory_size} -jar {jar_file} > /dev/null"
        process = subprocess.Popen(shlex.split(command), cwd=server_directory, stdin=subprocess.PIPE)

        server_id = len(self.servers) + 1
        self.servers[server_id] = {
            'process': process,
            'directory': server_directory,
            'port': None
        }

        print(f"Started server {server_id} in directory {server_directory}")
        return server_id

    def execute_server_command(self, server_id, command):
        if server_id in self.servers:
            process = self.servers[server_id]['process']
            process.stdin.write(command.encode('utf-8') + b'\n')
            process.stdin.flush()
            print(f"Server {server_id} executed command : {command}")
        else:
            print(f"No server found with ID {server_id}")

    def stop_server(self, server_id):
        if server_id in self.servers:
            process = self.servers[server_id]['process']
            process.communicate(input=b"stop\n")
            del self.servers[server_id]
            print(f"Stopped server {server_id}")
        else:
            print(f"No server found with ID {server_id}")

    def stop_server_forcefully(self, server_id):
        if server_id in self.servers:
            process = self.servers[server_id]['process']
            process.terminate()
            del self.servers[server_id]
            print(f"Stopped server {server_id}")
        else:
            print(f"No server found with ID {server_id}")

    def get_servers(self):
        return self.servers.values()

    def get_server_id_by_port(self, port):
        for server_id, server_info in self.servers.items():
            if server_info['port'] == port:
                return server_id
        return None


if __name__ == "__main__":
    pass