import struct
from apev2 import Apev2

# apev2 spec: https://wiki.hydrogenaud.io/index.php?title=APEv2_specification

# parse dates from XLastPlayed and XLastScheduled from SPL. by brainsmoke:
# d=swap32(0x14a63351)
# Y,M,D,h,m,s = 1980+(d>>25), (d>>21)&0xf, (d>>16)&0x1f, (d>>11)&0x1f, (d>>5)&0x3f, (d<<1)&0x3f
# print(Y,M,D,h,m,s)


# for swapping endianness of a binary package
def swap32(i):
    return struct.unpack("<I", struct.pack(">I", i))[0]


ape = Apev2.from_file('OMYG.apetag')

for item in ape.tag.frames:
    key = item.item_key
    value = item.item_value
    # print(key, value)

    if key == 'XLastPlayed':
        hex = value.hex()

        for i in range(0, len(hex), 8):
            hex_chunk = "0x{}".format(hex[i: i+8])

            d=swap32(int(hex_chunk, 16))
            Y,M,D,h,m,s = 1980+(d>>25), (d>>21)&0xf, (d>>16)&0x1f, (d>>11)&0x1f, (d>>5)&0x3f, (d<<1)&0x3f
            print(Y,M,D,h,m,s)