''' Purpose: translate user text to English
'''
import url

DEFAULT_URL = 'http://www.cs.virginia.edu/~cs1112/words/babel'

DEFAULT_DICTIONARY = url.get_dictionary( DEFAULT_URL )

def glot( text, dictionary = DEFAULT_DICTIONARY) :
    ''' returns a translation of text according to dictionary, where
        text may have embedded \n's
    '''

    # So now we're working with text (lots of lines)
    contents = text.split('\n') # Split on each line and get a list of lines
    result = ""
    for each_line in contents:
        meaning = line( each_line , dictionary )
        result = result + meaning + "\n" # Translate each line using line
        # and add it to our final result with each line separated using "\n"
    return result


def line( string, dictionary = DEFAULT_DICTIONARY ) :
    ''' returns a translation of string according to dictionary, where
        string is composed of zero or more words
    '''
    words = string.split()
    result = "" # accumulator
    for w in words:
        meaning = word( w , dictionary ) # call the word function on each w in our list of words
        # from the line
        result = result + meaning + " " # add each translated word to my result

    return result

# Remember that we just have this program as a module with function definitions
# so the order of where in code sequentially we write the functions doesn't matter
# because we can build functions from other defined functions (like word in line)
# and we can test everything at the bottom (name == main thing)
# since the code is executed at the bottom when all the functions are written ABOVE it.

def word( string, dictionary = DEFAULT_DICTIONARY) :
    ''' returns a translation of the string according to dictionary,
        where string is composed of a single word.  if the translation
        is unknown the function return the word within <>
    '''

    # If we find the word in our dictionary, we return the meaning
    # from the dictionary. Otherwise, we return <word>

    if ( string in dictionary.keys() ): # if the word is in my dictionary keys
        meaning = dictionary.get( string ) # give me the meaning from the dict
    else: # if it's not in my dictionary
        meaning = "<" + string + ">" # flag the word

    return meaning # return the meaning (or flag)

if ( __name__ == '__main__' ) :
    print( word( 'lapiz' ) )
    print()

    print( line( 'como esta eso' ) )
    print()

    print( glot( 'tun vous savez hvor\nmi pencil ist' ) )
    print()

    DIGIT_URL = 'http://www.cs.virginia.edu/~cs1112/words/digits'

    d = url.get_dictionary( DIGIT_URL )

    print( glot( '0 O 1 2 3 4 5', dictionary = d ) )