import dictionaryJs from 'https://cdn.jsdelivr.net/npm/dictionary-js@0.1.0/+esm'
import randomParagraph from 'https://cdn.jsdelivr.net/npm/random-paragraph@1.0.4/+esm'
import tokenGenerator from 'https://cdn.jsdelivr.net/npm/generate-token@1.0.1/+esm'

export async function generate(userInput) {
  // Step 1: Generate a token to decide paragraph complexity
  let token = tokenGenerator.generate(20);
  let maxSentences = token.length;

  // Step 2: Break user input into words
  let words = userInput.split(/\s+/).map(w => w.toLowerCase().replace(/[^a-z]/gi, ''));

  // Step 3: Lookup definitions for each word (filtering blanks or duplicates)
  let definitions = [];
  let seenWords = new Set();

  for (let word of words) {
    if (!seenWords.has(word) && word.length > 1) {
      seenWords.add(word);
      try {
        let result = await dictionaryJs.search(word);
        if (result && result.length > 0) {
          definitions.push(`${word}: ${result[0].definition}`);
        }
      } catch (err) {
        console.warn(`No definition found for: ${word}`);
      }
    }
  }

  // Step 4: Generate a random paragraph using maxSentences
  let paragraph = randomParagraph({ min: 4, max: maxSentences });

  console.log(paragraph);
}