import binascii
import os.path
import sys

def tof(filepath):
	with open(filepath, 'r') as f:
	    content = f.read()
	content = content.replace("0x","")
	content = content.split(',')
	for i in range(len(content)):
		if len(content[i]) == 1: content[i] = "0" + content[i]
	content = "".join(content)
	with open(filepath+".file", 'wb') as f:
	    content = f.write(content.decode("hex"))
	print(os.path.basename(filepath)+".file created.")
	exit(0)

def toa(filepath):
	with open(filepath, 'rb') as f:
	    content = f.read()
	content = binascii.hexlify(content)
	content = [content[i:i+2] for i in range(0, len(content), 2)]
	content = ",0x".join(content)
	content = "0x" + content
	content = content.replace("0x00","0x0")
	with open(filepath+".array", 'w') as f:
	    content = f.write(content)
	print(os.path.basename(filepath)+".array created.")
	exit(0)

def usage():
	print("========================================================\n\
#\n\
# Usage: python file-hex-array.py [action] [option]\n\
#\n\
# Arguments:\n\
#          action ==>   toa   # convert file to array [option is file path]\n\
#                       tof   # convert array to file [option is array file path]\n\
#\n\
# Example : python file-hex-array.py toa 1.png\n\
#\n\
========================================================")
	exit(1)

if len(sys.argv) != 3:
	usage()
if sys.argv[1] == "toa" and os.path.isfile(sys.argv[2]):
	toa(sys.argv[2])
elif sys.argv[1] == "tof" and os.path.isfile(sys.argv[2]):
	tof(sys.argv[2])
else:
	usage()