import Detector from "./Detector.js";
import compromise from 'fr-compromise';
import conj from 'conjugation-fr';
import { toInfinitive } from "../data.js"; // check path ??
import { cleanMessageContent } from "../utils/strings.js";

/*check the pronoun / subject of the question to answer properly by conjugating
exemple : tu fais quoi ? je fais feur
*/

const suffixes = [
  ', mon gars',
  ', mec',
  ", je crois",
  '',
  '',
  ''
];

export default class withPronounDetector extends Detector {
  async createSpecificReply(message) {
    const reference = await message.fetchReference().catch(() => null);
    const isSelfTarget = (reference && reference.author.id === message.client.user?.id) ?? false;

    const compromiseMatch = compromise(cleanMessageContent(message).toLowerCase()).match('(#Pronoun|ça|ca|tu) (#Verb|fait) #Infinitive? quoi [<suffix>!Verb{0,3}]$');

    if (compromiseMatch == null || compromiseMatch.length === 0) {
      return null;
    }

    return this.conjugateResponse(compromiseMatch, isSelfTarget);
  }

  conjugateResponse(compromiseMatch, isSelfTarget = false) {
    const parsed = compromiseMatch.json();
    const result = parsed[0];

    const replySuffix = compromiseMatch.groups('suffix')?.text().trim() ?? '';

    if (result == null) {
      return '';
    }

    // warning : result.terms[1] can't exist if the compromise structure change 
    const verbTerm = result.terms[1];
    if (!verbTerm) return '';

    const verbInfinitive = toInfinitive[verbTerm.text];
    if (!verbInfinitive) return ''; // safety check if the verb is in the list

    let conjugated = '';
    const tenseTag = verbTerm.tags.find(t => t.endsWith('Tense')) ?? 'Present';

    const getConjugation = (pronoun) => {
        const tenseData = conj.findTense(verbInfinitive, tenseTag);
        return tenseData.find(c => c.pronoun === pronoun)?.verb;
    };

    switch (result.terms[0].text.toLowerCase()) {
      case 'je':
      case "j'":
        conjugated = `tu ${getConjugation('tu')}`;
        break;
      case 'tu':
      case "t'":
        if (isSelfTarget) {
          conjugated = `je ${getConjugation('je')}`;
        } else {
          conjugated = `il ${getConjugation('il')}`;
        }
        break;
      case 'il':
        conjugated = `il ${getConjugation('il')}`;
        break;
      case 'elle':
        conjugated = `elle ${getConjugation('il')}`; // 'elle' utilise la conjugaison 'il' dans cette lib souvent
        break;
      case 'on':
        conjugated = `on ${getConjugation('il')}`;
        break;
      case 'ça':
        conjugated = `ça ${getConjugation('il')}`;
        break;
      case 'nous':
        conjugated = `nous ${getConjugation('nous')}`;
        break;
      case 'vous':
        conjugated = `on ${getConjugation('il')}`;
        break;
      case 'ils':
        conjugated = `ils ${getConjugation('ils')}`;
        break;
      case 'elles':
        conjugated = `elles ${getConjugation('ils')}`;
        break;
      default:
        conjugated = '';
        break;
    }

    const infinitiveVerb = result.terms.find(t => t.tags.includes('Infinitive'))?.text ?? '';

    return (`${conjugated} ${infinitiveVerb} feur ${replySuffix}${suffixes[Math.floor(Math.random() * suffixes.length)]}`).trim().replaceAll('  ', ' ').replace(' ,', ',');
  }
}