<?php

declare (strict_types=1);
namespace Modular\ConnectorDependencies\Doctrine\Inflector\Rules\Italian;

use Modular\ConnectorDependencies\Doctrine\Inflector\Rules\Pattern;
use Modular\ConnectorDependencies\Doctrine\Inflector\Rules\Substitution;
use Modular\ConnectorDependencies\Doctrine\Inflector\Rules\Transformation;
use Modular\ConnectorDependencies\Doctrine\Inflector\Rules\Word;
class Inflectible
{
    /** @return iterable<Transformation> */
    public static function getSingular(): iterable
    {
        // Reverse of -sce → -scia (fasce → fascia)
        yield new Transformation(new Pattern('([aeiou])sce$'), '\1scia');
        // Reverse of -cie → -cia (farmacia → farmacie)
        yield new Transformation(new Pattern('cie$'), 'cia');
        // Reverse of -gie → -gia (bugia → bugie)
        yield new Transformation(new Pattern('gie$'), 'gia');
        // Reverse of -ce → -cia (arance → arancia)
        yield new Transformation(new Pattern('([^aeiou])ce$'), '\1cia');
        // Reverse of -ge → -gia (valige → valigia)
        yield new Transformation(new Pattern('([^aeiou])ge$'), '\1gia');
        // Reverse of -chi → -co (bachi → baco)
        yield new Transformation(new Pattern('([bcdfghjklmnpqrstvwxyz][aeiou])chi$'), '\1co');
        // Reverse of -ghi → -go (laghi → lago)
        yield new Transformation(new Pattern('([bcdfghjklmnpqrstvwxyz][aeiou])ghi$'), '\1go');
        // Reverse of -ci → -co (medici → medico)
        yield new Transformation(new Pattern('([aeiou][bcdfghjklmnpqrstvwxyz])ci$'), '\1co');
        // Reverse of -gi → -go (psicologi → psicologo)
        yield new Transformation(new Pattern('([aeiou][bcdfghjklmnpqrstvwxyz])gi$'), '\1go');
        // Reverse of -i → -io (zii → zio, negozi → negozio)
        // This is more complex due to Italian's stress patterns, but we'll handle the basic case
        yield new Transformation(new Pattern('([^aeiou])i$'), '\1io');
        // Handle words that end with -i but should go to -co/-go (amici → amico, not amice)
        yield new Transformation(new Pattern('([^aeiou])ci$'), '\1co');
        yield new Transformation(new Pattern('([^aeiou])gi$'), '\1go');
        // Reverse of -a → -e
        yield new Transformation(new Pattern('e$'), 'a');
        // Reverse of -e → -i
        yield new Transformation(new Pattern('i$'), 'e');
        // Reverse of -o → -i
        yield new Transformation(new Pattern('i$'), 'o');
    }
    /** @return iterable<Transformation> */
    public static function getPlural(): iterable
    {
        // Words ending in -scia without stress on 'i' become -sce (e.g. fascia → fasce)
        yield new Transformation(new Pattern('([aeiou])scia$'), '\1sce');
        // Words ending in -cia/gia with stress on 'i' keep the 'i' in plural
        yield new Transformation(new Pattern('cia$'), 'cie');
        // e.g. farmacia → farmacie
        yield new Transformation(new Pattern('gia$'), 'gie');
        // e.g. bugia → bugie
        // Words ending in -cia/gia without stress on 'i' lose the 'i' in plural
        yield new Transformation(new Pattern('([^aeiou])cia$'), '\1ce');
        // e.g. arancia → arance
        yield new Transformation(new Pattern('([^aeiou])gia$'), '\1ge');
        // e.g. valigia → valige
        // Words ending in -co/-go with stress on 'o' become -chi/-ghi
        yield new Transformation(new Pattern('([bcdfghjklmnpqrstvwxyz][aeiou])co$'), '\1chi');
        // e.g. baco → bachi
        yield new Transformation(new Pattern('([bcdfghjklmnpqrstvwxyz][aeiou])go$'), '\1ghi');
        // e.g. lago → laghi
        // Words ending in -co/-go with stress on the penultimate syllable become -ci/-gi
        yield new Transformation(new Pattern('([aeiou][bcdfghjklmnpqrstvwxyz])co$'), '\1ci');
        // e.g. medico → medici
        yield new Transformation(new Pattern('([aeiou][bcdfghjklmnpqrstvwxyz])go$'), '\1gi');
        // e.g. psicologo → psicologi
        // Words ending in -io with stress on 'i' keep the 'i' in plural
        yield new Transformation(new Pattern('([^aeiou])io$'), '\1i');
        // e.g. zio → zii
        // Words ending in -io with stress on 'o' lose the 'i' in plural
        yield new Transformation(new Pattern('([aeiou])io$'), '\1i');
        // e.g. negozio → negozi
        // Standard ending rules
        yield new Transformation(new Pattern('a$'), 'e');
        // -a → -e
        yield new Transformation(new Pattern('e$'), 'i');
        // -e → -i
        yield new Transformation(new Pattern('o$'), 'i');
        // -o → -i
    }
    /** @return iterable<Substitution> */
    public static function getIrregular(): iterable
    {
        // Irregular substitutions (singular => plural)
        $irregulars = ['ala' => 'ali', 'albergo' => 'alberghi', 'amica' => 'amiche', 'amico' => 'amici', 'ampio' => 'ampi', 'arancia' => 'arance', 'arma' => 'armi', 'asparago' => 'asparagi', 'banca' => 'banche', 'belga' => 'belgi', 'braccio' => 'braccia', 'budello' => 'budella', 'bue' => 'buoi', 'caccia' => 'cacce', 'calcagno' => 'calcagna', 'camicia' => 'camicie', 'cane' => 'cani', 'capitale' => 'capitali', 'carcere' => 'carceri', 'casa' => 'case', 'cavaliere' => 'cavalieri', 'centinaio' => 'centinaia', 'cerchio' => 'cerchia', 'cervello' => 'cervella', 'chiave' => 'chiavi', 'chirurgo' => 'chirurgi', 'ciglio' => 'ciglia', 'città' => 'città', 'corno' => 'corna', 'corpo' => 'corpi', 'crisi' => 'crisi', 'dente' => 'denti', 'dio' => 'dei', 'dito' => 'dita', 'dottore' => 'dottori', 'fiore' => 'fiori', 'fratello' => 'fratelli', 'fuoco' => 'fuochi', 'gamba' => 'gambe', 'ginocchio' => 'ginocchia', 'gioco' => 'giochi', 'giornale' => 'giornali', 'giraffa' => 'giraffe', 'labbro' => 'labbra', 'lenzuolo' => 'lenzuola', 'libro' => 'libri', 'madre' => 'madri', 'maestro' => 'maestri', 'magico' => 'magici', 'mago' => 'maghi', 'maniaco' => 'maniaci', 'manico' => 'manici', 'mano' => 'mani', 'medico' => 'medici', 'membro' => 'membri', 'metropoli' => 'metropoli', 'migliaio' => 'migliaia', 'miglio' => 'miglia', 'mille' => 'mila', 'mio' => 'miei', 'moglie' => 'mogli', 'mosaico' => 'mosaici', 'muro' => 'muri', 'nemico' => 'nemici', 'nome' => 'nomi', 'occhio' => 'occhi', 'orecchio' => 'orecchi', 'osso' => 'ossa', 'paio' => 'paia', 'pane' => 'pani', 'papa' => 'papi', 'pasta' => 'paste', 'penna' => 'penne', 'pesce' => 'pesci', 'piede' => 'piedi', 'pittore' => 'pittori', 'poeta' => 'poeti', 'porco' => 'porci', 'porto' => 'porti', 'problema' => 'problemi', 'ragazzo' => 'ragazzi', 're' => 're', 'rene' => 'reni', 'riso' => 'risa', 'rosa' => 'rosa', 'sale' => 'sali', 'sarto' => 'sarti', 'scuola' => 'scuole', 'serie' => 'serie', 'serramento' => 'serramenta', 'sorella' => 'sorelle', 'specie' => 'specie', 'staio' => 'staia', 'stazione' => 'stazioni', 'strido' => 'strida', 'strillo' => 'strilla', 'studio' => 'studi', 'suo' => 'suoi', 'superficie' => 'superfici', 'tavolo' => 'tavoli', 'tempio' => 'templi', 'treno' => 'treni', 'tuo' => 'tuoi', 'uomo' => 'uomini', 'uovo' => 'uova', 'urlo' => 'urla', 'valigia' => 'valigie', 'vestigio' => 'vestigia', 'vino' => 'vini', 'viola' => 'viola', 'zio' => 'zii'];
        foreach ($irregulars as $singular => $plural) {
            yield new Substitution(new Word($singular), new Word($plural));
        }
    }
}
