# -*- ruby -*-
#encoding: utf-8

require 'wordnet' unless defined?( WordNet )
require 'wordnet/model'

# WordNet word model class
class WordNet::Word < WordNet::Model( :words )
	include WordNet::Constants

	#                 Table "public.words"
	#  Column |         Type          |     Modifiers
	# --------+-----------------------+--------------------
	#  wordid | integer               | not null default 0
	#  lemma  | character varying(80) | not null
	# Indexes:
	#     "pk_words" PRIMARY KEY, btree (wordid)
	#     "unq_words_lemma" UNIQUE, btree (lemma)
	# Referenced by:
	#     TABLE "adjpositions" CONSTRAINT "fk_adjpositions_wordid"
	#        FOREIGN KEY (wordid) REFERENCES words(wordid)
	#     TABLE "bncconvtasks" CONSTRAINT "fk_bncconvtasks_wordid"
	#        FOREIGN KEY (wordid) REFERENCES words(wordid)
	#     TABLE "bncimaginfs" CONSTRAINT "fk_bncimaginfs_wordid"
	#        FOREIGN KEY (wordid) REFERENCES words(wordid)
	#     TABLE "bncs" CONSTRAINT "fk_bncs_wordid"
	#        FOREIGN KEY (wordid) REFERENCES words(wordid)
	#     TABLE "bncspwrs" CONSTRAINT "fk_bncspwrs_wordid"
	#        FOREIGN KEY (wordid) REFERENCES words(wordid)
	#     TABLE "casedwords" CONSTRAINT "fk_casedwords_wordid"
	#        FOREIGN KEY (wordid) REFERENCES words(wordid)
	#     TABLE "lexlinks" CONSTRAINT "fk_lexlinks_word1id"
	#        FOREIGN KEY (word1id) REFERENCES words(wordid)
	#     TABLE "lexlinks" CONSTRAINT "fk_lexlinks_word2id"
	#        FOREIGN KEY (word2id) REFERENCES words(wordid)
	#     TABLE "morphmaps" CONSTRAINT "fk_morphmaps_wordid"
	#        FOREIGN KEY (wordid) REFERENCES words(wordid)
	#     TABLE "sensemaps2021" CONSTRAINT "fk_sensemaps2021_wordid"
	#        FOREIGN KEY (wordid) REFERENCES words(wordid)
	#     TABLE "sensemaps2130" CONSTRAINT "fk_sensemaps2130_wordid"
	#        FOREIGN KEY (wordid) REFERENCES words(wordid)
	#     TABLE "senses20" CONSTRAINT "fk_senses20_wordid"
	#        FOREIGN KEY (wordid) REFERENCES words(wordid)
	#     TABLE "senses21" CONSTRAINT "fk_senses21_wordid"
	#        FOREIGN KEY (wordid) REFERENCES words(wordid)
	#     TABLE "senses" CONSTRAINT "fk_senses_wordid"
	#        FOREIGN KEY (wordid) REFERENCES words(wordid)
	#     TABLE "vframemaps" CONSTRAINT "fk_vframemaps_wordid"
	#        FOREIGN KEY (wordid) REFERENCES words(wordid)
	#     TABLE "vframesentencemaps" CONSTRAINT "fk_vframesentencemaps_wordid"
	#        FOREIGN KEY (wordid) REFERENCES words(wordid)
	#     TABLE "vnclassmembers" CONSTRAINT "fk_vnclassmembers_wordid"
	#        FOREIGN KEY (wordid) REFERENCES words(wordid)
	#     TABLE "vnframemaps" CONSTRAINT "fk_vnframemaps_wordid"
	#        FOREIGN KEY (wordid) REFERENCES words(wordid)
	#     TABLE "vnrolemaps" CONSTRAINT "fk_vnrolemaps_wordid"
	#        FOREIGN KEY (wordid) REFERENCES words(wordid)


	set_primary_key :wordid

	#
	# Associations
	#

	##
	# The WordNet::Sense objects that relate the word with its Synsets
	one_to_many :senses,
		key: :wordid,
		primary_key: :wordid

	##
	# The WordNet::Synsets related to the word via its senses
	many_to_many :synsets,
		join_table: :senses,
		left_key: :wordid,
		right_key: :synsetid

	##
	# The WordNet::Morphs related to the word
	many_to_many :morphs,
		join_table: :morphmaps,
		left_key: :wordid,
		right_key: :morphid


	#
	# Dataset methods
	#

	dataset_module do

		### Limit the dataset to words matching the given +lemma+.
		def by_lemma( lemma )
			return where( lemma: lemma )
		end

	end


	#
	# Other methods
	#

	### Return the stringified word; alias for #lemma.
	def to_s
		return self.lemma
	end


	### Return a dataset for all of the Word's Synsets that are nouns.
	def nouns
		return synsets_dataset.nouns
	end


	### Return a dataset for all of the Word's Synsets that are verbs.
	def verbs
		return synsets_dataset.verbs
	end


	### Return a dataset for all of the Word's Synsets that are adjectives.
	def adjectives
		return synsets_dataset.adjectives
	end


	### Return a dataset for all of the Word's Synsets that are adverbs.
	def adverbs
		return synsets_dataset.adverbs
	end


	### Return a dataset for all of the Word's Synsets that are adjective satellites.
	def adjective_satellites
		return synsets_dataset.adjective_satellites
	end

end # class WordNet::Word