from threading import Thread
from typing import Callable
from re import compile

import libcommon


def reader() -> None:
    if libcommon.minecraftProc.stdout:
        for line in libcommon.minecraftProc.stdout:
            line = line.rstrip("\n")
            print(line)
            for pattern, func in libcommon.minecraftOutputBinds:
                match = pattern.match(line)
                if match:
                    func(*match.groups())
                    break


def onConsoleOutput(pattern: str) -> Callable:
    def decorator(func: Callable) -> Callable:
        libcommon.minecraftOutputBinds.append((compile(pattern), func))
        return func
    return decorator


def sendCommand(cmd: str) -> None:
    if libcommon.minecraftProc.stdin:
        libcommon.minecraftProc.stdin.write(cmd+"\n")
        libcommon.minecraftProc.stdin.flush()


def main() -> None:
    libcommon.minecraftInit("python -u program.py")

    t = Thread(target=reader, daemon=True)
    t.start()

    try:
        while libcommon.minecraftProc.poll() is None:
            sendCommand(input())
    except KeyboardInterrupt:
        sendCommand("stop")
        libcommon.minecraftProc.wait()


if __name__ == "__main__":
    main()