// ── Profile page logic ────────────────────────────────────────────────────────

let rigs = [];

// ── Toast ─────────────────────────────────────────────────────────────────────

function showToast(msg, type = 'success') {
  const el = document.createElement('div');
  el.className = `toast align-items-center text-bg-${type} border-0 show`;
  el.innerHTML = `<div class="d-flex"><div class="toast-body">${msg}</div>
    <button type="button" class="btn-close btn-close-white me-2 m-auto" data-bs-dismiss="toast"></button></div>`;
  document.getElementById('toastContainer').appendChild(el);
  setTimeout(() => el.remove(), 3500);
}

function showAlert(id, msg, type = 'danger') {
  const el = document.getElementById(id);
  el.className = `alert alert-${type} mt-3`;
  el.textContent = msg;
  el.classList.remove('d-none');
}

function hideAlert(id) {
  document.getElementById(id).classList.add('d-none');
}

// ── Load profile ─────────────────────────────────────────────────────────────

async function loadProfile() {
  try {
    const user = await apiGet('/users/profile/');
    document.getElementById('firstName').value       = user.first_name || '';
    document.getElementById('lastName').value        = user.last_name  || '';
    document.getElementById('email').value           = user.email;
    document.getElementById('profileUsername').textContent = '@' + user.username;

    if (user.avatar_url) {
      document.getElementById('avatarWrap').innerHTML =
        `<img src="${user.avatar_url}" class="avatar-img mx-auto d-block" alt="avatar">`;
    } else {
      const initials = ((user.first_name?.[0] || '') + (user.last_name?.[0] || '') ||
                         user.username?.[0] || '?').toUpperCase();
      document.getElementById('avatarInitials').textContent = initials;
    }
  } catch(e) {
    showToast('Failed to load profile', 'danger');
  }
}

// ── Save profile info ─────────────────────────────────────────────────────────

document.getElementById('profileForm').addEventListener('submit', async e => {
  e.preventDefault();
  hideAlert('profileAlert');
  const btn = document.getElementById('saveProfileBtn');
  btn.disabled = true;
  try {
    await apiPatch('/users/profile/', {
      first_name: document.getElementById('firstName').value.trim(),
      last_name:  document.getElementById('lastName').value.trim(),
    });
    showAlert('profileAlert', 'Profile saved!', 'success');
    showToast('Profile updated!');
  } catch(e) {
    showAlert('profileAlert', formatErrors(e.data));
  } finally {
    btn.disabled = false;
  }
});

// ── Avatar upload ─────────────────────────────────────────────────────────────

document.getElementById('avatarInput').addEventListener('change', async e => {
  const file = e.target.files[0];
  if (!file) return;
  const alertEl = document.getElementById('avatarAlert');
  alertEl.classList.add('d-none');
  try {
    // Step 1: upload image to /api/photos/upload/
    const form = new FormData();
    form.append('file', file);
    const photo = await apiPost('/photos/upload/', form);

    // Step 2: set it as the user's avatar
    const updated = await apiPatch('/users/profile/', { avatar: photo.id });
    if (updated.avatar_url) {
      document.getElementById('avatarWrap').innerHTML =
        `<img src="${updated.avatar_url}" class="avatar-img mx-auto d-block" alt="avatar">`;
    }
    showToast('Avatar updated!');
  } catch(e) {
    alertEl.textContent = (e.data && formatErrors(e.data)) || e.message || 'Upload failed. Please try a smaller image.';
    alertEl.classList.remove('d-none');
  }
});

// ── Change password ───────────────────────────────────────────────────────────

document.getElementById('passwordForm').addEventListener('submit', async e => {
  e.preventDefault();
  hideAlert('passwordAlert');
  const p1 = document.getElementById('newPassword1').value;
  const p2 = document.getElementById('newPassword2').value;
  if (p1 !== p2) {
    showAlert('passwordAlert', 'New passwords do not match.');
    return;
  }
  try {
    await apiPost('/auth/password/change/', {
      old_password:  document.getElementById('oldPassword').value,
      new_password1: p1,
      new_password2: p2,
    });
    showAlert('passwordAlert', 'Password changed successfully!', 'success');
    document.getElementById('passwordForm').reset();
    showToast('Password changed!');
  } catch(e) {
    showAlert('passwordAlert', formatErrors(e.data));
  }
});

// ── Rigs table ────────────────────────────────────────────────────────────────

function renderRigs() {
  const tbody = document.getElementById('rigsBody');
  const wrap  = document.getElementById('rigsTableWrap');
  const empty = document.getElementById('rigsEmpty');
  document.getElementById('rigsSpinner').classList.add('d-none');

  if (!rigs.length) {
    empty.classList.remove('d-none');
    return;
  }
  wrap.classList.remove('d-none');

  tbody.innerHTML = rigs.map(rig => `
    <tr>
      <td class="fw-semibold">${rig.name}</td>
      <td>${rig.rig_items.length} item${rig.rig_items.length === 1 ? '' : 's'}</td>
      <td>
        <span class="badge ${rig.is_public ? 'bg-success' : 'bg-secondary'}">
          ${rig.is_public ? 'Public' : 'Private'}
        </span>
      </td>
      <td>
        <button class="btn btn-sm ${rig.is_public ? 'btn-outline-secondary' : 'btn-outline-success'}"
                onclick="toggleRig(${rig.id})">
          <i class="bi bi-${rig.is_public ? 'lock' : 'globe2'} me-1"></i>
          ${rig.is_public ? 'Make private' : 'Make public'}
        </button>
      </td>
    </tr>
  `).join('');
}

async function loadRigs() {
  try {
    rigs = await apiGet('/rigs/');
    renderRigs();
  } catch(e) {
    document.getElementById('rigsSpinner').classList.add('d-none');
    showToast('Failed to load rigs', 'danger');
  }
}

async function toggleRig(id) {
  const rig = rigs.find(r => r.id === id);
  if (!rig) return;
  try {
    const updated = await apiPatch(`/rigs/${id}/`, { is_public: !rig.is_public });
    const idx = rigs.findIndex(r => r.id === id);
    if (idx >= 0) rigs[idx] = { ...rigs[idx], is_public: updated.is_public };
    renderRigs();
    showToast(`Rig is now ${updated.is_public ? 'public' : 'private'}.`);
  } catch(e) {
    showToast('Failed to update rig.', 'danger');
  }
}

// ── Init ──────────────────────────────────────────────────────────────────────
loadProfile();
loadRigs();