#!/usr/bin/python2
# -*- coding: utf-8 -*-

import requests
import sys
import shlex
import optparse
from lxml import etree

VERSION = "2.0.10b"
class Definition(object):

	#ID is relative to the word type, eg noun 1, noun 2, verb 1, verb 2, not to the entire list
	id = 0
	word = ""
	dictionary = ""
	word_type = ""
	definition = ""
	synonyms = []
	antonyms = []

	def __init__(self, word, id, dictionary, word_type, definition, synonyms, antonyms):
		self.word = word
		self.id = id
		self.dictionary = dictionary
		self.word_type = word_type
		self.definition = definition
		self.synonyms = synonyms
		self.antonyms = antonyms

def get_xml(word, word_dict):
	api_url = "http://services.aonaware.com/DictService/DictService.asmx/DefineInDict?dictId="+word_dict+"&word="+word

	try:
		xml = etree.parse(api_url)
	except IOError:
		print "Error: Could not access the Dictionary service."
		return

	#Root element tag is WordDefinition, which is the same as the element which contains the definition
	#That's akward, so let's just 
	for element in xml.iter("{http://services.aonaware.com/webservices/}Definitions"):
		root = element
		break;

	return root

def parse_xml(xml):

	#Only worrying about one definition for now, add multiples later
	for element in xml.iter("{http://services.aonaware.com/webservices/}WordDefinition"):
		definition = element.text
		break;

	definition_lines = definition.split("\n")

	items = []
	synonyms = []
	antonyms = []
	id = 0
	syn_line = False
	ant_line = False
	word = definition_lines[0]
	for line in definition_lines[1:]:
		extra_parts = line.split("[")
		line_parts = extra_parts[0].split(":")

		#Work out if this is a line that includes identifying information (word type or id)
		#This is done by checking the indenting - if the first 8 characters are spaces, it's not
		#It's a bit hacky, maybe change this later

		id_line = False
		for char in line_parts[0][0:7]:
			if char != " ":
				id_line = True

		if id_line:
			if id > 0:
				#Add a previous line to the array of definitions, if there is one
				item = Definition(word, id, "wn", word_type, definition, synonyms, antonyms)
				items.append(item)
				synonyms = []
				antonyms = []
				syn_line = False
				ant_line = False

			id_parts = line_parts[0].strip().split(" ")

			if id_parts[0] == "[also":
				#This line comes at the end, don't worry about it for now
				break;

			if id_parts[0].isdigit() != True:
				word_type = id_parts[0]
				if len(id_parts) < 2:
					id = 1
				else :
					id = id_parts[1]
				definition = line_parts[1].strip() + " "
			else:
				id = id_parts[0]
				definition = line_parts[1].strip() + " "

			for word in line_parts[2:]:
				definition += word + " "
		elif syn_line:
			for part in line_parts:
				extra_words = part.strip().split(" ")
				for syn in extra_words:
					synonyms.append(syn.strip("{},] "))
		elif ant_line:
			for part in line_parts:
				extra_words = part.strip().split(" ")
				for ant in extra_words:
					antonyms.append(syn.strip("{},] "))	
		else:
			definition += line_parts[0].strip() + " "
			if len(line_parts) > 1:
				for part in line_parts[1:-1]:
					definition += part + ":"
				definition += line_parts[-1]

		if len(extra_parts) > 0:
			for part in extra_parts:
				extra_words = part.split(" ")
				if extra_words[0] == "syn:":
					for syn in extra_words[1:]:
						synonyms.append(syn.strip("{},] "))
						syn_line = True
				elif extra_words[0] == "ant:":
					for ant in extra_words[1:]:
						antonyms.append(ant.strip("{},] "))
						ant_line = True

	item = Definition(word, id, "wn", word_type, definition, synonyms, antonyms)
	items.append(item)
	
	return items

def parse_args():
	args = sys.argv[1:]

	if not args:
		args = shlex.split(sys.stdin.read())

	parser = optparse.OptionParser( usage = "!define <term> <type> <dictionary>" )
	parser.add_option( "-v", "--version", action = "store_true" )
	options, args = parser.parse_args( args )
	types = ["n", "noun", "v", "verb", "adj", "adjective", "adv", "adverb"]
	dicts = ["wn", "wordnet", "oed"]

	word_type = ""
	word_dict = ""

	if len(args) > 0:
		word = args[0]

	if len(args) > 1:
		for arg in args[1:]:
			if arg in types:
				word_type = arg
			elif arg in dicts:
				word_dict = arg

	return word, word_type, word_dict, options.version

def parse_oed(word):
	types = ["n.", "—n.", "v.", "—v.", "adj.", "—adj.", "adv.", "—adv."]
	file = open("oed.txt")
	word_line = ""

	for line in file:
		word_part = line.split(" ")[0]

		if word_part.lower() == word.lower():
			word_line = line
			break;

	if word_line == "":
		return

	prev_part = ""
	items = []
	id = 0
	definition = ""

	for part in line.split(" ")[1:]:
		
		if part in types:
			if id > 0:
				item = Definition(word, id, "oed", word_type, definition, [], [])
				items.append(item)
				definition = ""

			word_type = part

		elif part.isdigit() and prev_part is not None and (prev_part[-1] == "." or prev_part[-1] == ")"):
			item = Definition(word, id, "oed", word_type, definition, [], [])
			items.append(item)
			definition = ""
			id = part
		else:
			definition += part + " "
			
		prev_part = part

	if id == 0:
		id = 1
	item = Definition(word, id, "oed", word_type, definition, [], [])
	items.append(item)
	return items


def main():
	word, word_type, word_dict, version = parse_args()

	if version:
		print VERSION
		sys.exit( 0 )

	if word_dict == "oed":
		items = parse_oed(word)
	else:
		if word_dict == "" or word_dict is None:
			word_dict = "wn"
		xml = get_xml(word, word_dict)

		if xml is None:
			return

		items = parse_xml(xml)

	line_length = 0
	num_more = 0
	suppress_print = False

	if items is None or len(items) == 0:
		print "No definition found for "+word
		return

	for item in items:

		if word_type is "" or word_type == item.word_type:
			if suppress_print:
				num_more+=1
			else:
				definition = item.word_type + " " + str(item.id) + ": " + item.definition
				if line_length + len(definition) > 458:
					suppress_print = True
					num_more+= 1
				else:
					print definition,

				line_length += len(definition)
	
	if suppress_print:
		print "(" + str(num_more) + " more)"

if __name__ == "__main__":
	main()