// Resume Builder JavaScript
let resumes = JSON.parse(localStorage.getItem('haitham_resumes_v2') || '{}');
let currentProfileName = localStorage.getItem('haitham_current_profile_v2') || 'Main Resume';

const getEl = (id) => document.getElementById(id);

const getInitialContent = () => ({
  name: getEl('userName')?.innerText || '',
  photo: getEl('userPhoto')?.src || '',
  phone: getEl('userPhone')?.innerText || '',
  email: getEl('userEmail')?.innerText || '',
  linkedin: getEl('userLinkedin')?.innerText || '',
  location: getEl('userLocation')?.innerText || '',
  about: getEl('aboutMe')?.innerText || '',
  education: getEl('educationList')?.innerHTML || '',
  skills: getEl('skillsList')?.innerHTML || '',
  language: getEl('languageList')?.innerHTML || '',
  experience: getEl('experienceContainer')?.innerHTML || ''
});

const init = () => {
  if (Object.keys(resumes).length === 0) {
    resumes['Main Resume'] = getInitialContent();
    saveToDisk();
  }
  updateSelect();
  loadProfile(currentProfileName);
};

const handlePhotoUpload = (input) => {
  const file = input.files[0];
  if (file) {
    const reader = new FileReader();
    reader.onload = (e) => {
      getEl('userPhoto').src = e.target.result;
      saveCurrentProfile();
    };
    reader.readAsDataURL(file);
  }
};

const photoInput = getEl('photoInput');
const photoFrame = getEl('photoFrame');
if (photoInput && photoFrame) {
  photoInput.addEventListener('change', (e) => handlePhotoUpload(e.target));
  photoFrame.addEventListener('click', () => photoInput.click());
}

const updateSelect = () => {
  const select = getEl('resumeSelect');
  if (!select) return;
  select.innerHTML = '';
  Object.keys(resumes).forEach(name => {
    const opt = document.createElement('option');
    opt.value = name;
    opt.textContent = name;
    if (name === currentProfileName) opt.selected = true;
    select.appendChild(opt);
  });
};

const loadProfile = (name) => {
  const p = resumes[name] || resumes[Object.keys(resumes)[0]];
  if (!p) return;
  currentProfileName = name;
  localStorage.setItem('haitham_current_profile_v2', name);

  getEl('userName').innerText = p.name || '';
  getEl('userPhoto').src = p.photo || 'Resume.jpg';
  getEl('userPhone').innerText = p.phone || '';
  getEl('userEmail').innerText = p.email || '';
  getEl('userLinkedin').innerText = p.linkedin || '';
  getEl('userLocation').innerText = p.location || '';
  getEl('aboutMe').innerText = p.about || '';
  getEl('educationList').innerHTML = p.education || '';
  getEl('skillsList').innerHTML = p.skills || '';
  getEl('languageList').innerHTML = p.language || '';
  getEl('experienceContainer').innerHTML = p.experience || '';
};

const saveCurrentProfile = () => {
  resumes[currentProfileName] = getInitialContent();
  saveToDisk();
  showStatus('Changes Saved');
};

const createNewProfile = () => {
  const name = prompt('Name this version (e.g., Geely IT Manager):');
  if (name && !resumes[name]) {
    resumes[name] = { ...resumes[currentProfileName] };
    currentProfileName = name;
    saveToDisk();
    updateSelect();
    loadProfile(name);
  } else if (resumes[name]) {
    alert('This name already exists.');
  }
};

const deleteProfile = () => {
  if (Object.keys(resumes).length <= 1) return alert('You need at least one profile.');
  if (confirm('Delete "' + currentProfileName + '"?')) {
    delete resumes[currentProfileName];
    currentProfileName = Object.keys(resumes)[0];
    saveToDisk();
    updateSelect();
    loadProfile(currentProfileName);
  }
};

const saveToDisk = () => {
  localStorage.setItem('haitham_resumes_v2', JSON.stringify(resumes));
};

const showStatus = (msg) => {
  const btn = getEl('btnSave');
  if (!btn) return;
  const original = btn.textContent;
  btn.textContent = msg;
  btn.style.backgroundColor = '#059669';
  setTimeout(() => {
    btn.textContent = original;
    btn.style.backgroundColor = '';
  }, 2000);
};

const btnNew = getEl('btnNew');
const btnSave = getEl('btnSave');
const btnDelete = getEl('btnDelete');
const btnPrint = getEl('btnPrint');
const resumeSelect = getEl('resumeSelect');

if (btnNew) btnNew.addEventListener('click', createNewProfile);
if (btnSave) btnSave.addEventListener('click', saveCurrentProfile);
if (btnDelete) btnDelete.addEventListener('click', deleteProfile);
if (btnPrint) btnPrint.addEventListener('click', () => window.print());
if (resumeSelect) resumeSelect.addEventListener('change', (e) => loadProfile(e.target.value));

document.addEventListener('DOMContentLoaded', init);