/* Shell do aplicativo: login + abas + configurações + usuários. */
(async function init() {
  // sessao (o servidor ja bloqueia "/" sem cookie, mas precisamos dos dados do usuario)
  let usuarioAtual;
  try {
    ({ user: usuarioAtual } = await API.get('/api/auth/me'));
  } catch {
    window.location.href = '/login.html';
    return;
  }
  el('usuario-logado').textContent = `${usuarioAtual.username} (${usuarioAtual.role === 'admin' ? 'admin' : 'comercial'})`;
  el('btn-usuarios').classList.toggle('hidden', usuarioAtual.role !== 'admin');

  el('btn-sair').addEventListener('click', async () => {
    await API.post('/api/auth/logout');
    window.location.href = '/login.html';
  });

  // usuarios (somente admin)
  async function carregarListaUsuarios() {
    const { users } = await API.get('/api/users');
    el('lista-usuarios').replaceChildren(...users.map((u) =>
      h('div', { class: 'row space-between' },
        h('span', {}, u.username),
        h('span', { class: 'muted' }, u.role === 'admin' ? 'Administrador' : 'Comercial'))));
  }

  el('btn-usuarios').addEventListener('click', async () => {
    el('modal-usuarios').showModal();
    try {
      await carregarListaUsuarios();
    } catch (error) {
      toast(`Erro: ${error.message}`);
    }
  });

  el('btn-fechar-usuarios').addEventListener('click', () => el('modal-usuarios').close());

  el('form-novo-usuario').addEventListener('submit', async (event) => {
    event.preventDefault();
    try {
      await API.post('/api/users', {
        username: el('novo-usuario-username').value,
        password: el('novo-usuario-password').value,
        role: el('novo-usuario-role').value
      });
      el('novo-usuario-username').value = '';
      el('novo-usuario-password').value = '';
      await carregarListaUsuarios();
      toast('Usuário criado');
    } catch (error) {
      toast(`Erro: ${error.message}`);
    }
  });

  // abas
  for (const tab of document.querySelectorAll('.tab')) {
    tab.addEventListener('click', () => {
      for (const t of document.querySelectorAll('.tab')) {
        t.classList.toggle('active', t === tab);
        t.setAttribute('aria-selected', t === tab ? 'true' : 'false');
      }
      for (const panel of document.querySelectorAll('.tab-panel')) {
        panel.classList.toggle('active', panel.id === `tab-${tab.dataset.tab}`);
      }
      if (tab.dataset.tab === 'tratamento') Tratamento.ativar();
    });
  }

  // configurações
  el('btn-settings').addEventListener('click', async () => {
    const { settings } = await API.get('/api/settings');
    el('cfg-pipeline').value = settings['zpro.pipelineId'] || 1;
    el('cfg-stage').value = settings['zpro.stageId'] || 1;
    el('cfg-responsible').value = settings['zpro.responsibleId'] || 15;
    el('cfg-forecast').value = settings['zpro.closingForecastDays'] || 30;
    el('modal-settings').showModal();
  });

  el('btn-salvar-settings').addEventListener('click', async (event) => {
    event.preventDefault();
    try {
      await API.put('/api/settings', {
        'zpro.pipelineId': el('cfg-pipeline').value,
        'zpro.stageId': el('cfg-stage').value,
        'zpro.responsibleId': el('cfg-responsible').value,
        'zpro.closingForecastDays': el('cfg-forecast').value
      });
      el('modal-settings').close();
      toast('Configurações salvas');
    } catch (error) {
      toast(`Erro: ${error.message}`);
    }
  });

  // limpar toda a base (zona de risco)
  el('btn-limpar-base').addEventListener('click', () => {
    el('reset-base-senha').value = '';
    el('modal-settings').close();
    el('modal-reset-base').showModal();
  });

  el('btn-cancelar-reset-base').addEventListener('click', () => {
    el('modal-reset-base').close();
  });

  el('btn-confirmar-reset-base').addEventListener('click', async () => {
    const senha = el('reset-base-senha').value;
    if (!senha) {
      toast('Informe a senha de segurança');
      return;
    }
    try {
      await API.post('/api/admin/reset', { senha });
      el('modal-reset-base').close();
      toast('Base de leads limpa com sucesso — recarregando...');
      setTimeout(() => window.location.reload(), 1200);
    } catch (error) {
      toast(`Erro: ${error.message}`);
    }
  });

  // fecha modais clicando fora
  for (const dialog of document.querySelectorAll('dialog')) {
    dialog.addEventListener('click', (event) => {
      if (event.target === dialog) dialog.close();
    });
  }

  Tratamento.bindEvents();

  try {
    await Captura.init();
  } catch (error) {
    toast(`Erro ao carregar: ${error.message}`, 8000);
  }
})();