#  Copyright (c) PARRRATE T&V 2021. All rights reserved.

from io import BytesIO

from bu4.encoding.codes import *

__all__ = ('transply',)


def transply(source: str) -> bytes:
    transplied = BytesIO()
    for c in source:
        if c.isspace():
            pass
        elif c in '/':
            transplied.write(bytes([CODE_CALL]))
        elif c in '{‹':
            transplied.write(bytes([CODE_CALL, CODE_QOPN]))
        elif c in '(':
            transplied.write(bytes([CODE_MAKE]))
        elif c in '|':
            transplied.write(bytes([CODE_QCLS, CODE_MAKE]))
        elif c in '})':
            transplied.write(bytes([CODE_NULL]))
        elif c in '#':
            transplied.write(bytes([CODE_SKIP]))
        elif c in '?':
            transplied.write(bytes([CODE_QOPN, CODE_NULL, CODE_QCLS]))
        elif c in ']»':
            transplied.write(bytes([CODE_NULL, CODE_QCLS]))
        elif c in '[':
            transplied.write(bytes([CODE_QOPN, CODE_NAME]))
        elif c in '"':
            transplied.write(bytes([CODE_QUOT]))
        elif c in '<':
            transplied.write(bytes([CODE_QOPN]))
        elif c in '>›':
            transplied.write(bytes([CODE_QCLS]))
        elif c in '«':
            transplied.write(bytes([CODE_QOPN, CODE_XCPT]))
        elif c in '&':
            transplied.write(bytes([CODE_DLYD]))
        else:
            transplied.write(c.encode())
    return transplied.getvalue()