"""
In here the System module is partially implemented
"""
import sys
from typing import List

from ..old_jtypes import JObj, JInteger


class JMockSystemOut(JObj):
    type = "Ljava/io/PrintStream;"
    value = None


class JMockSystemIn(JObj):
    type = "Ljava/io/InputStream;"
    value = None


def mock_printstream_println(self: JObj, args: List[JObj]):
    if len(args) != 1:
        raise ValueError("Argument length mismatch")
    if args[0].type != 'java/lang/String':
        raise ValueError("Argument type mismatch")

    print(args[0].value)


def mock_inputstream_read(self: JObj, args: List[JObj]):
    character = sys.stdin.read(1).strip()
    return JInteger(ord(character))