#!/usr/bin/python
import argparse

chain = 0

def setChain(c):
	global chain
	chain = (c%256)

def generateShiny():
	if chain<70:
		return (4096,chain!=0)
	else:
		return (1024,False)

def generateIVs():
	if chain<=4:
		return 0
	elif chain<=9:
		return 1
	elif chain<=19:
		return 2
	elif chain<=29:
		return 3
	else:
		return 4

def generateHA():
	if chain<10:
		return 0
	elif chain<20:
		return 5
	elif chain<30:
		return 10
	else:
		return 15

if __name__=="__main__":
	parser = argparse.ArgumentParser(description="Calculates shiny chance and IVs for SOS battles in generation 7.")
	parser.add_argument("chain",type=int,help="Chain value. Due to overflow bug, will not be calculated hgher than 255 (handled automatically)")
	args = parser.parse_args()

	setChain(args.chain)

	shiny = generateShiny()
	iv = generateIVs()
	ha = generateHA()

	print "Shiny chance: 1/"+str(shiny[0])+("*" if shiny[1] else "")
	print str(iv)+" guaranteed perfect IV(s)"
	print "Hidden Ability chance: "+str(ha)+"%"
	if shiny[1]:
		print "* Shiny chances for chain values below 70 are not known."