var selectedColor = '#0d9488';
var slugManual = false;
var isCreateMode = false;
var formDirty = false;

function initPage() {
  var params = new URLSearchParams(window.location.search);
  isCreateMode = params.get('mode') === 'create';

  if (isCreateMode) {
    document.title = 'Crank — Create workspace';
    document.getElementById('page-title').textContent = 'Create a new workspace';
    document.getElementById('page-subtitle').textContent = 'A workspace is a shared environment for your team\'s MCP operations and agents. Each workspace gets its own MCP endpoint namespace.';
    document.getElementById('section-invite').style.display = '';
    document.getElementById('footer-note').style.display = '';
    var btn = document.getElementById('submit-btn');
    btn.textContent = 'Create workspace';
    btn.disabled = true;
    btn.style.opacity = '0.5';
    btn.style.cursor = 'not-allowed';
  } else {
    // Edit mode — prefill from current workspace
    document.getElementById('section-members').style.display = '';
    document.getElementById('section-danger').style.display = '';
    var ws = getCurrentWs();
    document.getElementById('ws-name').value = ws.name;
    document.getElementById('ws-slug').value = ws.slug;
    document.getElementById('ws-avatar-preview').textContent = ws.letter;
    document.getElementById('ws-avatar-preview').style.background = ws.color;
    selectedColor = ws.color;
    slugManual = true;
    // Activate matching color swatch
    document.querySelectorAll('.ws-color-swatch').forEach(function(s) {
      s.classList.toggle('active', s.dataset.color === ws.color);
    });
    // Scroll to #section-members if hash present
    if (window.location.hash === '#section-members') {
      setTimeout(function() {
        document.getElementById('section-members').scrollIntoView({ behavior: 'smooth', block: 'start' });
      }, 100);
    }
  }

  // Apply language state to lang buttons
  var lang = localStorage.getItem('crank_lang') || 'en';
  document.querySelectorAll('.lang-btn').forEach(function(btn) {
    btn.classList.toggle('active', btn.dataset.lang === lang);
  });
}

function onWsNameInput(val) {
  var letter = val.trim() ? val.trim()[0].toUpperCase() : '?';
  document.getElementById('ws-avatar-preview').textContent = letter;
  if (!slugManual) {
    var slug = val.toLowerCase().replace(/\s+/g, '-').replace(/[^a-z0-9-]/g, '').replace(/-+/g, '-').replace(/^-|-$/g, '');
    document.getElementById('ws-slug').value = slug;
  }
  if (isCreateMode) validateCreateForm();
  formDirty = true;
}

function onWsSlugInput(val) {
  var clean = val.toLowerCase().replace(/[^a-z0-9-]/g, '').replace(/-+/g, '-');
  document.getElementById('ws-slug').value = clean;
  slugManual = true;
  if (isCreateMode) validateCreateForm();
  formDirty = true;
}

function pickColor(el) {
  selectedColor = el.dataset.color;
  document.querySelectorAll('.ws-color-swatch').forEach(function(s) { s.classList.remove('active'); });
  el.classList.add('active');
  document.getElementById('ws-avatar-preview').style.background = selectedColor;
  formDirty = true;
}

function validateCreateForm() {
  var name = document.getElementById('ws-name').value.trim();
  var slug = document.getElementById('ws-slug').value.trim();
  var btn = document.getElementById('submit-btn');
  var valid = name.length > 0 && slug.length > 0;
  btn.disabled = !valid;
  btn.style.opacity = valid ? '1' : '0.5';
  btn.style.cursor = valid ? 'pointer' : 'not-allowed';
}

function submitForm() {
  var name = document.getElementById('ws-name').value.trim();
  var slug = document.getElementById('ws-slug').value.trim();
  if (!name || !slug) return;

  formDirty = false;

  if (isCreateMode) {
    if (window.WS_LIST) {
      WS_LIST.push({ slug: slug, name: slug, role: 'Owner', letter: name[0].toUpperCase(), color: selectedColor });
    }
    localStorage.setItem('crank_workspace', slug);
    window.location.href = (window.APP_BASE||'')+'index.html';
  } else {
    // Update current workspace in WS_LIST
    if (window.WS_LIST) {
      var current = localStorage.getItem('crank_workspace') || 'acme-workspace';
      var idx = WS_LIST.findIndex(function(w) { return w.slug === current; });
      if (idx !== -1) {
        WS_LIST[idx].name = slug;
        WS_LIST[idx].slug = slug;
        WS_LIST[idx].letter = name[0].toUpperCase();
        WS_LIST[idx].color = selectedColor;
      }
    }
    localStorage.setItem('crank_workspace', slug);
    // Show saved feedback
    var btn = document.getElementById('submit-btn');
    var orig = btn.textContent;
    btn.textContent = 'Saved ✓';
    btn.disabled = true;
    setTimeout(function() { btn.textContent = orig; btn.disabled = false; }, 1800);
  }
}

// Create mode invite rows
function addInviteRow() {
  var rows = document.getElementById('invite-rows');
  var div = document.createElement('div');
  div.className = 'invite-row';
  div.innerHTML =
    '<input class="form-input" type="email" placeholder="colleague@company.com" autocomplete="off" style="flex:1;margin-bottom:0;">' +
    '<select class="form-input" style="width:130px;margin-bottom:0;">' +
      '<option value="admin">Admin</option>' +
      '<option value="developer" selected>Developer</option>' +
      '<option value="viewer">Viewer</option>' +
    '</select>' +
    '<button class="invite-row-remove" onclick="removeInviteRow(this)" title="Remove">' +
      '<svg width="12" height="12"><use href="' + (window.APP_BASE||'') + 'icons/general/close.svg#icon"/></svg>' +
    '</button>';
  rows.appendChild(div);
}

function removeInviteRow(btn) {
  btn.closest('.invite-row').remove();
}

// Members management (edit mode)
function toggleInviteForm() {
  var f = document.getElementById('invite-form');
  var s = document.getElementById('invite-success');
  if (f.style.display === 'none') {
    f.style.display = '';
    s.style.display = 'none';
    document.getElementById('invite-email').focus();
  } else {
    f.style.display = 'none';
  }
}

function sendInvite() {
  var email = document.getElementById('invite-email').value.trim();
  if (!email || !email.includes('@')) return;
  document.getElementById('invite-success').style.display = '';
  document.getElementById('invite-email').value = '';
}

function updateRole(select, email) {
  console.log('Role updated:', email, '->', select.value);
}

function removeMember(btn, name) {
  if (!confirm('Remove ' + name + ' from this workspace?')) return;
  btn.closest('.member-row').remove();
  var rows = document.querySelectorAll('#members-list .member-row');
  var label = document.getElementById('members-count-label');
  if (label) label.textContent = rows.length + ' member' + (rows.length !== 1 ? 's' : '');
}

function revokeInvite(btn) {
  btn.closest('.member-row').remove();
  var pending = document.getElementById('pending-invites');
  if (pending && !pending.querySelector('.member-row')) pending.style.display = 'none';
}

document.addEventListener('DOMContentLoaded', function() {
  initPage();
  if (isCreateMode) document.getElementById('ws-name').focus();
});

window.addEventListener('beforeunload', function(e) {
  if (formDirty) {
    e.preventDefault();
    e.returnValue = '';
  }
});