import subprocess
import os
import sys

def copy_to_clip(string):
    if(sys.platform == 'darwin'):
        cmd='echo \"' + string.strip()+'\" | pbcopy'
    else:
        cmd='echo \"' + string.strip()+'\" | clip'
    return subprocess.check_call(cmd, shell=True)

while(1):
    userInput = raw_input('Enter the string to switch to sponge case. Ctrl + C or \'!exit!\' to quit program.\n')
    if(userInput == '!exit!'):
        exit()
    newString = ""
    previousLower = False
    for i in range(0,len(userInput)):
        if not userInput[i].isalpha():
            newString = newString + userInput[i]
            continue
        if previousLower:
            newString = newString + userInput[i].upper()
            previousLower = False
        else:
            newString = newString + userInput[i].lower()
            previousLower = True

    print newString
    try:
        copy_to_clip(newString)
        print "*Sponge case copied to keyboard*"
    except:
        continue
        #do nothing