#!/usr/bin/python
silverval = 0.0
fpp = 0.0
fgp = 0.0
fsp = 0.0
fcp = 0.0
fdol = 0.0

def getInput():
	return raw_input(">> ")

print "AD&D Currency Converter - Converts between real and AD&D currency"
print "Enter a monetary value followed by the currency (dollars, gp, sp, cp, pp)"
print "Enter \"q\" by itself to quit."
print "Enter \"s <new value of a silver piece in modern dollars>\""
print "		to set the value of silver."

while 1 :
    value = getInput()
    vlist = value.split(" ")
    if vlist[0].isdigit() :
        oldval = int(vlist[0])
        if vlist[1].lower() == "gp":
            fgp = oldval
            fsp = fgp * 10
            fcp = fsp * 10
            fpp = fgp / 10
            fdol = fsp * silverval
        elif vlist[1].lower() == "sp":
            fsp = oldval
            fgp = fsp / 10
            fcp = fsp * 10
            fpp = fgp / 10
            fdol = fsp * silverval
        elif vlist[1].lower() == "cp":
            fcp = oldval
            fsp = fcp / 10
            fgp = fsp / 10
            fpp = fgp / 10
            fdol = fsp * silverval
        elif vlist[1].lower() == "dollars":
            fsp = oldval / silverval
            fcp = fsp * 10
            fgp = fsp / 10
            fpp = fgp / 10
        else:
	        print "I didn't understand."
	        continue
            
        print vlist[0], vlist[1], " converts to:"
        print "\t", fpp, " platinum (or)"
        print "\t", fgp, " gold pieces (or)"
        print "\t", fsp, " silver pieces (or)"
        print "\t", fcp, " copper pieces (or)"
        print "\t", fdol, " dollars"
    elif vlist[0].lower() == "q":
	    break

    elif vlist[0].lower() == "s":
            if vlist[1].isdigit():
                silverval = int(vlist[1])
                print "silver value set to : ", silverval
            else :
                print "Please provide a numeric value as the second argument to the"
                print "     \"s\" command."

    else:
	    print "I didn't understand."
	    continue