''' Purpose: demonstrate dict mappings
'''

# get access to url support
import url

# where is the dog to notoriety mappings
PUPPIES_CSV = "http://www.cs.virginia.edu/~cs1112/datasets/csv/puppies.csv"

# get data set
dataset = url.get_dataset( PUPPIES_CSV )

# convert dataset to a form suitable for querying
# another accumulation - building dictionary
notoriety = {}   # start with empty dict --> comes with all its functions
                 # { } == {}      # whitespaces are ignored
for row in dataset:
    # for each row in the dataset
    # each row contains a dog's name and its importance: [ dog_name, importance ]
    # row has 2 elements ( we know this ) --> put two variables on the left --> assign each of the elements
    #   into each of the variables
    #   the first element in the list row == name of dog
    #   the second element in the list row == importance of the dog
    name, importance = row               # not splitting in the sense that you use .split() on strings
                                         # string.split() --> turns string into a list
    # row is a list, cannot split it like you split with strings

    # ex:
    # name, importance = [ 'snoopy', 'good boy' ]
    #   name = 'snoopy'
    #   importance = 'good boy'

    # same thing as above
    name = row[0]
    importance = row[1]



    # add to the dictionary (no append, b/c not a list)
    # dict[ key ] = value
    notoriety[ name ] = importance


# ask for dog of interest
reply = input( "Enter name of dog: " )

dog = reply.strip()
dog = dog.capitalize()

# look up claim to fame
fame = notoriety.get( dog )   # given a dog name, we want to get the importance

print( fame )
print()

# functions keys() and values() are dict functions
# dict_name.keys()     dict_name.values()
notoriety_keys = notoriety.keys()        # gives us all the keys in the dictionary - all unique values
                                         # not a list
notoriety_values = notoriety.values()    # gives us all the values in the dictionary - may not be all unique
                                         # also not a list

# to convert the two types above into a list, we use the list() function
list_of_notoriety_keys = list( notoriety_keys )
list_of_notoriety_values = list( notoriety_values )

print( list_of_notoriety_keys )
print( list_of_notoriety_values )

# print( notoriety_keys )
# print( notoriety_values )