Decode QSUSB 'val' attributes

qsusb_decode.py

"""Testing QwikSwitch value attributes."""


def legacy_status(st):
    """legacy_status method from the qsmobile.js.

    Pass in the 'val' from &devices or the
    'data' received after calling a specific ID.
    """
    # 2d0c00002a0000
    if st[:2] == '30' or st[:2] == '47':  # RX1 CT
        o = st[4:5]
        # console.log("legstat. " + o);
        if o == '0':
            return 0
        if o == '8':
            return 100
    if st == '7e':
        return 0
    if st == '7f':
        return 100
    if len(st) == 6:  # old
        l = int(st[4:], 16)
        hw = st[:2]
        if hw == '01':  # old dim
            return round(((125-l) / 125) * 100)
        if hw == '02':  # old rel
            return 100 if l == 127 else 0

        if hw == '28':  # LED DIM
            if st[2:4] == "01":
                if st[4:] == '78':
                    return 0
            return round(((120 - l) / 120) * 100)

    # Additional tests
    if st.upper().find('ON') >= 0:
        return 100
    if len(st) == 0 or st.upper().find('OFF') >= 0:
        return 0
    return -1  # fallback to return an int
    # return st


def test(a, b, s):
    """assert testing."""
    if a == b:
        print('OK: {} [{}]'.format(s, b))
    else:
        print('ERR: {} ["{}" should be {}]'.format(s, b, a))

test(0, legacy_status(''), 'PB QC off')
test(100, legacy_status('4733800000d50001'), 'PB QC on')

test(0, legacy_status('280c78'), 'JK dim 0')
test(20, legacy_status('280c60'), 'JK dim 20')
test(100, legacy_status('280c00'), 'JK dim 100')

test(100, legacy_status('ON'), 'JK rel on')
test(0, legacy_status('OFF'), 'JK rel off')