#!/usr/bin/python
# TYPE:sciencemath
# DESC:Using chemParseCMD.py, finds percent mass of things.

from chemParseCMD import *
import sys

while __name__ == "__main__":
	print
	knows = raw_input("Do you know the formula? (y/n) ")
	if 'y' in knows:
		seq = parse(raw_input("The formula is: "))
		mainmass = seq.get_mass()
		elementsToParse = input("How many elements you asking for? ")
		for i in range(0, elementsToParse):
			element = parse(raw_input("Element #%d: " % (i+1)))
			elementmass = element.get_mass()
			percentmass = signif((elementmass / mainmass)*100)
			print
			print "Percent: %s" % (percentmass)
			print "TEX: \\frac{%sg}{%sg} = %s\\%%" % (signif(elementmass), signif(mainmass), percentmass)
			print
	elif 'n' in knows:
		numEls = input("Number of elements in formula: ")
		print """
	Insert each element and form in the format of NAME:PERCENT
	"""
		data = []
		for i in range(0, numEls):
			data.append(raw_input("Element %d: " % (i + 1)))
		print
		percents, moles, ratios = {}, {}, {}
		lowest = ['el', 9999]
		for line in data:
			line = line.strip()
			element = line.split(":")[0]
			percent = float(line.split(":")[1])
			percents[element] = percent
			elementMole = percent / ELEMENTS[element].get_mass()
			if elementMole < lowest[1]: lowest = [element,elementMole]
			print "Moles of %s: %s" % (element, str(elementMole)) 
			moles[element] = elementMole
		print
		for element, mole in moles.items():
			print "Ratio of %s: %s" % ( element, str(mole/lowest[1]) )