#--- Header Comments ---
#Date: 9/11/19
#Coder: 
#Path: 
#File: 
#Purpose: 
#Notes: 
#https://www.mnn.com/lifestyle/arts-culture
/stories/why-your-
brain-can-read-jumbled-letters
#TODO: 

#--- Imports ---
import datetime #for current time
import getpass  #for username
import os       #for current path
import sys      #for versioning
import random



#--- Global Variables ---

#--- Functions ---
def print_current_user():
    username = getpass.getuser()
    print('Coder: ' + username)
    #https://stackoverflow.com/questions
    /5137497/find-current-directory-and-files-directory
    dir_path = os.path.dirname(os.path.realpath(__file__))
    print(dir_path)
#end print_current_user function
    
def print_current_time():
    now = datetime.datetime.now()
    print(now)
#end print_current_time function
    
def print_simple_heading(heading, symbol, n):
    my_decoration = ''
    for _ in range(n):
        my_decoration += symbol
    my_heading = my_decoration + heading + my_decoration;
    print(my_heading)
#end print_simple_heading function

def make_string_from_char(ch, length):
    temp = ''
    for _ in range(length):
        temp += ch
    return temp
#end make_string_from_char function

#utilize default parameter values
def intro(title="Python App", stageNo='1', explanation=''):
    num_char = 5
    my_char = '='
    title = title + ": Stage " + str(stageNo)
    print_simple_heading(title, my_char, num_char)
    print_current_user()
    print_current_time()
    print("Version:", sys.version)
    if len(explanation) > 0:
        print("")
        print(explanation)
    border_length = len(title) + 2*num_char;
    border = make_string_from_char(my_char, border_length)
    print(border)  
#end intro function

#---My Functions---
#https://stackoverflow.com/questions
/20601480/randomize-letters-in-a-word

def jumbleA(phrase):
    original = phrase
    lcPhrase = phrase.lower()
    alphabet = "abcdefghijklmnopqrstuvwxyz"
    ucAlphabet = alphabet.upper()
    #create a punctuation vector
    punctuationList = []
    lettersAndSpacesOnly = ""
    for symbol in original:
        if symbol in alphabet or symbol in ucAlphabet:
            punctuationList.append('x')
            lettersAndSpacesOnly += symbol
        else:
            if symbol == " ":
                lettersAndSpacesOnly += symbol
            punctuationList.append(symbol)
            
    wordsList = lettersAndSpacesOnly.split(" ")
    jumbledPhraseList = []
    for word in wordsList:
        wrd = reallyJumble(word)
        jumbledPhraseList.append(wrd)
    
    jumbledPhrase = ' '.join(jumbledPhraseList)
    ndx = -1
    for symbol in punctuationList:
        ndx += 1
        if symbol != 'x' and symbol != " ":
            #https://stackoverflow.com/questions
            /36050848/inserting-characters-in-strings-in-python?rq=1
            jumbledPhrase = jumbledPhrase[:ndx] + 
            symbol + jumbledPhrase[ndx:]
        
    return jumbledPhrase
            
#end function jumbleA

def jumble(word):
    #jumble the middle, but letters can be in their original locations
    original = word
    length = len(word)
    if length <= 3:
        return word
    else:
        word = word.lower()
        firstLetter = word[0:1]
        lastLetter = word[length-1: length]
        middle = word[1:length-1]
        
        #convert the string into a list of characters
        charlst = list(middle) 
        # shuffle the list of characters randomly
        random.shuffle(charlst)
        #convert the list of characters back into a string
        jumbledMiddle = ''.join(charlst) 
         
        temp = firstLetter + jumbledMiddle + lastLetter
        temp = matchCaseTo(original, temp)
        return temp
#end function jumble

def reallyJumble(word):
    #jumble the middle, 
    #try to force innerds to be different from original
    original = word
    length = len(word)
    if length <= 3:
        return word
    else:
        word = word.lower()
        firstLetter = word[0:1]
        lastLetter = word[length-1: length]
        middle = word[1:length-1]
        
        attempts = 0
        maxAttempts = 10
        jumbledMiddle = ""
        
        while attempts <= maxAttempts or middle == jumbledMiddle:
            attempts += 1
            #convert the string into a list of characters
            charlst = list(middle)  
            #shuffle the list of characters randomly
            random.shuffle(charlst)
            #convert the list of characters back into a string
            jumbledMiddle = ''.join(charlst) 
         
        temp = firstLetter + jumbledMiddle + lastLetter
        temp = matchCaseTo(original, temp)
        return temp
#end function jumble

def matchCaseTo(original, newbie):
    temp = ""
    locn = 0
    for symbol in original:
        #ndx = original.find(symbol)
        if symbol.isupper():
            ltr = newbie[locn:locn+1]
            ltr = ltr.upper()
            temp += ltr        
        else:
            temp += newbie[locn: locn + 1]
        locn += 1
    
    return temp
#end function matchCaseTo

#--- Driver Code ---
def main():
    explanation = 'Jumble the middle of a word or phrase, 
    preserving case and punctuation'
    intro(title="Jumbled Middle App", stageNo=4, explanation=explanation)
    print("Jumbled Middle App")
    #phrase = "When you're coding, it's a very HAPPY day!"
    phrase = "In brightest day, in blackest night; 
    no evil shall escape my sight. 
    Let those who worship evil's might, 
    beware my power: Green Lantern's LIGHT!"
    print(phrase)
    jumbledPhrase = jumbleA(phrase)
    print(jumbledPhrase)
#end function main

if __name__ == '__main__':
    main()
#end conditional

'''
    =====Jumbled Middle App: Stage 4=====
Coder: kp
/Users/kp/Desktop/2019-2020_Devmt/kp19-HCSF-T1/Demos
/AlienLanguageSagaWS/JumbledMiddlePrj-S4
2019-09-11 08:45:04.998439
Version: 3.7.3 (v3.7.3:ef4ec6ed12, Mar 25 2019, 16:52:21) 
[Clang 6.0 (clang-600.0.57)]

Jumble the middle of a word or phrase, preserving case and punctuation
=====================================
Jumbled Middle App
In brightest day, in blackest night; no evil shall escape my sight. 
Let those who worship evil's might, beware my power: 
Green Lantern's LIGHT!
In bsegrhitt day, in bseakclt nhgit; no eivl slahl epacse my shgit. 
Let tsohe who woihrsp elvi's mhgit, bwraee my pweor: 
Geren Lantner's LHIGT!
''                        

Last update: 09/17/19

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