import transitionWordsFactory from "./transitionWords";

const transitionWords = transitionWordsFactory().singleWords;

/**

* Returns an array with exceptions for the prominent words researcher.

* @returns {Array} The array filled with exceptions.

*/

const articles = [ "de", "het", "een", "der", "des", "den" ];

const cardinalNumerals = [

"eén", "één", "twee", "drie", "vier", "vijf", "zes", "zeven", "acht", "negen", "tien", "elf", "twaalf", "dertien",

"veertien", "vijftien", "zestien", "zeventien", "achttien", "negentien", "twintig", "honderd", "honderden", "duizend", "duizenden", "miljoen",

"miljoenen", "biljoen", "biljoenen",

];

const ordinalNumerals = [

"eerste", "tweede", "derde", "vierde", "vijfde", "zesde", "zevende", "achtste", "negende",

"tiende", "elfde", "twaalfde", "dertiende", "veertiende", "vijftiende", "zestiende", "zeventiende",

"achttiende", "negentiende", "twinstigste",

];

// 'Het' is already included in the list of articles.

const personalPronounsNominative = [ "ik", "je", "jij", "hij", "ze", "we", "wij", "jullie", "zij", "u", "ge", "gij", "men" ];

const personalPronounsAccusative = [ "mij", "jou", "hem", "haar", "hen", "hun", "uw" ];

const demonstrativePronouns = [ "dit", "dat", "deze", "die", "zelf" ];

// What to do with 'zijn', since it is also a verb?

const possessivePronouns = [ "mijn", "mijne", "jouw", "jouwe", "zijne", "hare", "ons", "onze", "hunne", "uwe", "elkaars", "elkanders" ];

const quantifiers = [

"alle", "sommige", "sommigen", "weinig", "weinige", "weinigen", "veel", "vele", "velen", "geen", "beetje",

"elke", "elk", "genoeg", "meer", "meest", "meeste", "meesten", "paar", "zoveel", "enkele", "enkelen", "zoveelste", "hoeveelste",

"laatste", "laatsten", "iedere", "allemaal", "zekere", "ander", "andere", "gene", "enig", "enige", "verscheidene",

"verschillende", "voldoende", "allerlei", "allerhande", "enerlei", "enerhande", "beiderlei", "beiderhande", "tweeërlei", "tweeërhande",

"drieërlei", "drieërhande", "velerlei", "velerhande", "menigerlei", "menigerhande", "enigerlei", "enigerhande", "generlei", "generhande",

];

const reflexivePronouns = [

"mezelf", "mijzelf", "jezelf", "jouzelf", "zichzelf", "haarzelf", "hemzelf", "onszelf", "julliezelf",

"henzelf", "hunzelf", "uzelf", "zich",

];

const reciprocalPronouns = [ "mekaar", "elkaar", "elkander", "mekander" ];

const indefinitePronouns = [ "iedereen", "ieder", "eenieder", "alleman", "allen", "alles", "iemand", "niemand", "iets", "niets", "menigeen" ];

const indefinitePronounsPossessive = [ "ieders", "aller", "iedereens", "eenieders" ];

const relativePronouns = [ "welke", "welk", "wat", "wie", "wiens", "wier" ];

const interrogativeProAdverbs = [ "hoe", "waarom", "waar", "hoezo", "hoeveel" ];

const pronominalAdverbs = [

"daaraan", "daarachter", "daaraf", "daarbij", "daarbinnen", "daarboven", "daarbuiten", "daardoorheen",

"daarheen", "daarin", "daarjegens", "daarmede", "daarnaar", "daarnaartoe", "daaromtrent", "daaronder", "daarop", "daarover",

"daaroverheen", "daarrond", "daartegen", "daartussen", "daartussenuit", "daaruit", "daarvan", "daarvandaan", "eraan", "erachter",

"erachteraan", "eraf", "erbij", "erbinnen", "erboven", "erbuiten", "erdoor", "erdoorheen", "erheen", "erin", "erjegens", "ermede",

"ermee", "erna", "ernaar", "ernaartoe", "ernaast", "erom", "eromtrent", "eronder", "eronderdoor", "erop", "eropaf", "eropuit", "erover",

"eroverheen", "errond", "ertegen", "ertegenaan", "ertoe", "ertussen", "ertussenuit", "eruit", "ervan", "ervandaan", "ervandoor", "ervoor",

"hieraan", "hierachter", "hieraf", "hierbij", "hierbinnen", "hierboven", "hierbuiten", "hierdoor", "hierdoorheen", "hierheen", "hierin",

"hierjegens", "hierlangs", "hiermede", "hiermee", "hierna", "hiernaar", "hiernaartoe", "hiernaast", "hieromheen", "hieromtrent",

"hieronder", "hierop", "hierover", "hieroverheen", "hierrond", "hiertegen", "hiertoe", "hiertussen", "hiertussenuit", "hieruit", "hiervan",

"hiervandaan", "hiervoor", "vandaan", "waaraan", "waarachter", "waaraf", "waarbij", "waarboven", "waarbuiten", "waardoorheen",

"waarheen", "waarin", "waarjegens", "waarmede", "waarna", "waarnaar", "waarnaartoe", "waarnaast", "waarop", "waarover", "waaroverheen",

"waarrond", "waartegen", "waartegenin", "waartoe", "waartussen", "waartussenuit", "waaruit", "waarvan", "waarvandaan", "waarvoor",

];

const locativeAdverbs = [

"daar", "hier", "ginder", "daarginds", "ginds", "ver", "veraf", "ergens", "nergens", "overal", "dichtbij",

"kortbij",

];

const filteredPassiveAuxiliaries = [ "word", "wordt", "werd", "werden", "ben", "bent", "is", "was", "waren" ];

const passiveAuxiliariesInfinitive = [ "worden", "zijn" ];

const otherAuxiliaries = [

"heb", "hebt", "heeft", "hadden", "had", "kun", "kan", "kunt", "kon", "konden", "mag",

"mocht", "mochten", "dien", "dient", "diende", "dienden", "moet", "moest", "moesten", "ga", "gaat",

"ging", "gingen",

];

const otherAuxiliariesInfinitive = [ "hebben", "kunnen", "mogen", "dienen", "moeten", "gaan" ];

// 'Vóórkomen' (appear) is not included, because we don't want to filter out 'voorkómen' (prevent).

const copula = [

"blijkt", "blijk", "bleek", "bleken", "gebleken", "dunkt", "dunk", "dunkte", "dunkten",

"gedunkt", "heet", "heette", "heetten", "geheten", "lijkt", "lijk", "geleken", "leek", "leken",

"schijn", "schijnt", "scheen", "schenen", "toescheen", "toeschijnt", "toeschijn", "toeschenen",

];

const copulaInfinitive = [ "blijken", "dunken", "heten", "lijken", "schijnen", "toeschijnen" ];

const prepositions = [

"à", "aan", "aangaande", "achter", "behalve", "behoudens", "beneden", "benevens", "benoorden", "benoordoosten", "benoordwesten",

"beoosten", "betreffende", "bewesten", "bezijden", "bezuiden", "bezuidoosten", "bezuidwesten", "bij", "binnen", "blijkens", "boven", "bovenaan",

"buiten", "circa", "conform", "contra", "cum", "dankzij", "door", "gedurende", "gezien", "in", "ingevolge", "inzake", "jegens", "krachtens",

"langs", "luidens", "met", "middels", "na", "naar", "naast", "nabij", "namens", "nevens", "niettegenstaande", "nopens", "om",

"omstreeks", "omtrent", "onder", "onderaan", "ongeacht", "onverminderd", "op", "over", "overeenkomstig", "per", "plus", "post",

"richting", "rond", "rondom", "spijts", "staande", "te", "tegen", "tegenover", "ten", "ter", "tijdens", "tot", "tussen",

"uit", "van", "vanaf", "vanuit", "versus", "via", "vis-à-vis", "volgens", "voor", "voorbij", "wegens", "zijdens",

"zonder",

];

// Many prepositional adverbs are already listed as preposition.

const prepositionalAdverbs = [

"af", "heen", "mee", "toe", "achterop", "onderin", "voorin", "bovenop",

"buitenop", "achteraan", "onderop", "binnenin", "tevoren",

];

const coordinatingConjunctions = [ "en", "alsmede", "of", "ofwel", "en/of" ];

/* 'Zowel' and 'als' are part of 'zowel...als', 'evenmin' is part of 'evenmin...als', 'zomin' is part of 'zomin...als',

'hetzij' is part of 'hetzij...hetzij'. */

const correlativeConjunctions = [ "zowel", "evenmin", "zomin", "hetzij" ];

const subordinatingConjunctions = [

"vermits", "dewijl", "dorodien", "naardien", "nademaal", "overmits", "wijl", "eer",

"eerdat", "aleer", "vooraleer", "alvorens", "totdat", "zolang", "sinds", "sedert", "ingeval", "tenware", "alhoewel",

"hoezeer", "uitgezonderd", "zoverre", "zover", "naargelang", "naarmate", "alsof",

];

// These verbs are frequently used in interviews to indicate questions and answers.

const interviewVerbs = [ "zegt", "zei", "vraagt", "vroeg", "denkt", "dacht", "stelt", "pleit", "pleitte" ];

// These transition words were not included in the list for the transition word assessment for various reasons.

const additionalTransitionWords = [

"absoluut", "zeker", "ongetwijfeld", "sowieso", "onmiddelijk", "meteen", "inclusief",

"direct", "ogenblikkelijk", "terstond", "natuurlijk", "vanzelfsprekend", "gewoonlijk", "normaliter",

"doorgaans", "werkelijk", "daadwerkelijk", "inderdaad", "waarachtig", "oprecht", "bijna", "meestal", "misschien",

"waarschijnlijk", "wellicht", "mogelijk", "vermoedelijk", "allicht", "aannemelijk", "oorspronkelijk", "aanvankelijk",

"initieel", "eigenlijk", "feitelijk", "wezenlijk", "juist", "reeds", "alvast", "bijv.", "vaak", "dikwijls", "veelal",

"geregeld", "menigmaal", "regelmatig", "veelvuldig", "eenvoudigweg", "simpelweg", "louter", "kortweg", "stomweg", "domweg", "zomaar",

"eventueel", "mogelijkerwijs", "eens", "weleens", "nooit", "ooit", "anders", "momenteel", "thans", "incidenteel", "trouwens", "elders",

"volgend", "recent", "onlangs", "recentelijk", "laatst", "zojuist", "relatief", "duidelijk", "overduidelijk", "klaarblijkelijk",

"nadrukkelijk", "ogenschijnlijk", "kennelijk", "schijnbaar", "alweer", "continu", "herhaaldelijk", "nog", "steeds", "nu",

];

// 'vrij' is not included because it also means 'free'.

const intensifiers = [

"zeer", "erg", "redelijk", "flink", "tikkeltje", "bijzonder", "ernstig", "enigszins",

"zo", "tamelijk", "nogal", "behoorlijk", "zwaar", "heel", "hele", "reuze", "buitengewoon",

"ontzettend", "vreselijk",

];

// These verbs convey little meaning.

const delexicalizedVerbs = [

"laat", "liet", "lieten", "kom", "komt", "kwam", "kwamen", "maakt",

"maak", "maakte", "maakten", "doe", "doet", "deed", "deden", "vindt", "vind", "vond", "vonden",

];

const delexicalizedVerbsInfinitive = [ "laten", "komen", "maken", "doen", "vinden" ];

/* These adjectives and adverbs are so general, they should never be suggested as a (single) keyword.

Keyword combinations containing these adjectives/adverbs are fine. */

const generalAdjectivesAdverbs = [

"nieuw", "nieuwe", "nieuwer", "nieuwere", "nieuwst", "nieuwste", "oud", "oude", "ouder", "oudere",

"oudst", "oudste", "vorig", "vorige", "goed", "goede", "beter", "betere", "best", "beste", "groot", "grote", "groter", "grotere",

"grootst", "grootste", "makkelijk", "makkelijke", "makkelijker", "makkelijkere", "makkelijkst", "makkelijste", "gemakkelijk",

"gemakkelijke", "gemakkelijker", "gemakkelijkere", "gemakkelijkst", "gemakkelijste", "simpel", "simpele", "simpeler", "simpelere",

"simpelst", "simpelste", "snel", "snelle", "sneller", "snellere", "snelst", "snelste", "verre", "verder", "verdere", "verst",

"verste", "lang", "lange", "langer", "langere", "langst", "langste", "hard", "harde", "harder", "hardere", "hardst", "hardste",

"minder", "mindere", "minst", "minste", "eigen", "laag", "lage", "lager", "lagere", "laagst", "laagste", "hoog", "hoge", "hoger",

"hogere", "hoogst", "hoogste", "klein", "kleine", "kleiner", "kleinere", "kleinst", "kleinste", "kort", "korte", "korter", "kortere",

"kortst", "kortste", "herhaaldelijke", "directe", "ongeveer", "slecht", "slechte", "slechter", "slechtere", "slechtst",

"slechtste", "zulke", "zulk", "zo'n", "zulks", "er", "extreem", "extreme", "bijbehorende", "bijbehorend", "niet",

];

const interjections = [

"oh", "wauw", "hèhè", "hè", "hé", "au", "ai", "jaja", "welja", "jawel", "ssst", "heremijntijd", "hemeltjelief", "aha",

"foei", "hmm", "nou", "nee", "tja", "nja", "okido", "ho", "halt", "komaan", "komop", "verrek", "nietwaar", "brr", "oef",

"ach", "och", "bah", "enfin", "afijn", "haha", "hihi", "hatsjie", "hatsjoe", "hm", "tring", "vroem", "boem", "hopla",

];

// These words and abbreviations are frequently used in recipes in lists of ingredients.

const recipeWords = [ "ml", "cl", "dl", "l", "tl", "el", "mg", "g", "gr", "kg", "ca", "theel", "min", "sec", "uur" ];

const timeWords = [

"seconde", "secondes", "seconden", "minuut", "minuten", "uur", "uren", "dag", "dagen", "week", "weken",

"maand", "maanden", "jaar", "jaren", "vandaag", "morgen", "overmorgen", "gisteren", "eergisteren",

"'s", "morgens", "avonds", "middags", "nachts",

];

const vagueNouns = [

"ding", "dingen", "manier", "manieren", "item", "items", "keer", "maal", "procent", "geval", "aspect", "persoon",

"personen", "deel",

];

const miscellaneous = [ "wel", "ja", "neen", "oké", "oke", "okee", "ok", "zoiets", "€", "euro" ];

const titlesPreceding = [ "mevr", "dhr", "mr", "dr", "prof" ];

const titlesFollowing = [ "jr", "sr" ];

/**

* Exports all function words concatenated, and specific word categories and category combinations

* to be used as filters for the prominent words.

*

* @returns {Object} Dutch function words.

*/

export default function() {

return {

// These word categories are filtered at the ending of word combinations.

filteredAtBeginning: [].concat( passiveAuxiliariesInfinitive, otherAuxiliariesInfinitive, copulaInfinitive, delexicalizedVerbsInfinitive ),

// These word categories are filtered at the ending of word combinations.

filteredAtEnding: [].concat( ordinalNumerals, generalAdjectivesAdverbs ),

// These word categories are filtered at the beginning and ending of word combinations.

filteredAtBeginningAndEnding: [].concat( articles, prepositions, coordinatingConjunctions, demonstrativePronouns, intensifiers, quantifiers ),

// These word categories are filtered everywhere within word combinations.

filteredAnywhere: [].concat( transitionWords, personalPronounsNominative, personalPronounsAccusative, reflexivePronouns, interjections,

cardinalNumerals, filteredPassiveAuxiliaries, otherAuxiliaries, copula, interviewVerbs, delexicalizedVerbs, indefinitePronouns,

correlativeConjunctions, subordinatingConjunctions, interrogativeProAdverbs, relativePronouns, locativeAdverbs, miscellaneous,

prepositionalAdverbs, pronominalAdverbs, recipeWords, timeWords, vagueNouns, reciprocalPronouns, possessivePronouns ),

cannotDirectlyPrecedePassiveParticiple: [].concat( articles, interrogativeProAdverbs, cardinalNumerals, possessivePronouns,

reflexivePronouns, indefinitePronounsPossessive, copula, copulaInfinitive, prepositions ),

// This export contains all of the above words.

all: [].concat( articles, cardinalNumerals, ordinalNumerals, demonstrativePronouns, possessivePronouns, reflexivePronouns, reciprocalPronouns,

personalPronounsNominative, personalPronounsAccusative, quantifiers, indefinitePronouns,

indefinitePronounsPossessive, relativePronouns, interrogativeProAdverbs,

pronominalAdverbs, locativeAdverbs, prepositionalAdverbs, filteredPassiveAuxiliaries, passiveAuxiliariesInfinitive,

otherAuxiliaries, otherAuxiliariesInfinitive, copula, copulaInfinitive, prepositions, coordinatingConjunctions,

correlativeConjunctions, subordinatingConjunctions, interviewVerbs,

transitionWords, additionalTransitionWords, intensifiers, delexicalizedVerbs, delexicalizedVerbsInfinitive,

interjections, generalAdjectivesAdverbs, recipeWords, vagueNouns, miscellaneous, titlesPreceding, titlesFollowing ),

};

}