#! /usr/bin/python3.7
import requests
import sys
import textwrap

# USE UR OWN API KEY
API_KEY = "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"
REQUEST_URI = "https://www.dictionaryapi.com/api/v3/references/collegiate/json/{word}?key={key}"

def convert_italics(string):
    # M-W returns etymology responses with italics in the 
    # form {it}italic{/it}. This converts it to terminal-
    # friendly markup.
    new_open_tags = string.replace('{it}', '\033[3m')
    new_close_tags = new_open_tags.replace('{/it}', '\033[00m\033[30m')
    return new_close_tags

def print_help():
    print("""USAGE:

    $ mw word

    Where `word` is the word you want defined.
    """)

def print_suggestions(json):
    print('Given word not found. Did you mean one of these?\n')
    cols = 4
    for idx, suggestion in enumerate(json):
        if (idx + 1) % cols == 0:
            print(suggestion)
        else:
            tab = '                     '
            tab = tab[:20 - len(suggestion)]
            print(suggestion + tab, end='')
    print()

def print_definition(json):
    for case in range(len(json)):
        word = json[case]['meta']['id']
        try:
            part_of_speech = json[case]['fl']
        except KeyError:
            part_of_speech = ""
        syllables = json[case]['hwi']['hw']
        try:
            pronunciation = json[case]['hwi']['prs'][0]['mw']
        except KeyError:
            pronunciation = ""

        print('\033[1m{word}\033[0m ({pos})'.format(word=word, pos=part_of_speech))
        print('  {syllables} | {pronunciation}\n'.format(syllables=syllables, 
            pronunciation=pronunciation))

        for idx, shortdef in enumerate(json[case]['shortdef']):
            print(str(idx + 1) + ". " + textwrap.fill(shortdef, subsequent_indent='   '))


        try:
            etymology = json[case]['et'][0][1]
            print('\n')
            print('HISTORY, ETYMOLOGY')
            print(convert_italics(etymology))
        except KeyError:
            pass
        print()


if len(sys.argv) < 2:
    print_help()
    sys.exit(0)

if sys.argv[1] == '-h' or sys.argv[1] == '--help':
    print_help()
    sys.exit(0)

word_to_define = sys.argv[1]

definition_json = requests.get(REQUEST_URI.format(word=word_to_define, 
    key=API_KEY)).json()

if 'meta' not in definition_json[0]:
    # Given word not in dict. Returned suggestions.
    print_suggestions(definition_json)
else:
    print_definition(definition_json)