/**
 * typing.js
 * Typing animation for .hero-role / #typed element
 */

export function initTyping() {
  'use strict';

  const typedElement = document.getElementById('typed');
  if (!typedElement) return;

  const prefersReducedMotion = window.matchMedia('(prefers-reduced-motion: reduce)').matches;
  const phrasesJson = typedElement.getAttribute('data-phrases');
  let phrases = [];

  if (phrasesJson) {
    try {
      phrases = JSON.parse(phrasesJson);
    } catch (e) {
      console.warn('Failed to parse typing phrases:', e);
      phrases = ['Security & Web Dev', 'WordPress Developer'];
    }
  }

  if (!phrases.length) return;

  let currentPhraseIndex = 0;
  let currentCharIndex = 0;
  let isDeleting = false;

  function type() {
    const phrase = phrases[currentPhraseIndex];
    const speed = isDeleting ? 50 : 100;

    if (isDeleting) {
      currentCharIndex--;
    } else {
      currentCharIndex++;
    }

    typedElement.textContent = phrase.substring(0, currentCharIndex);

    // Add cursor
    if (!isDeleting && currentCharIndex === phrase.length) {
      typedElement.innerHTML += '<span class="cursor"></span>';
    } else if (isDeleting && currentCharIndex === 0) {
      currentPhraseIndex = (currentPhraseIndex + 1) % phrases.length;
      isDeleting = false;
      setTimeout(type, 500);
      return;
    } else {
      typedElement.innerHTML = phrase.substring(0, currentCharIndex) + '<span class="cursor"></span>';
    }

    if (!isDeleting && currentCharIndex === phrase.length) {
      isDeleting = true;
      setTimeout(type, 2000);
    } else {
      setTimeout(type, prefersReducedMotion ? 0 : speed);
    }
  }

  if (prefersReducedMotion) {
    // Just show the first phrase without animation
    typedElement.textContent = phrases[0];
  } else {
    type();
  }
}
