/* global browser, window, document, localStorage */
const CONTAINER_HIDE_SRC = '/img/container-hide.svg';
const CONTAINER_UNHIDE_SRC = '/img/container-unhide.svg';

function showOrHideContainerTabs(userContextId, hasHiddenTabs) {
  // Let's show/hide the tabs
  return browser.runtime.sendMessage({
    method: hasHiddenTabs ? 'showTabs' : 'hideTabs',
    userContextId: userContextId
  })
  // We need to retrieve the new identity configuration in order to choose the
  // correct icon.
  .then(() => {
    return browser.runtime.sendMessage({
      method: 'getIdentity',
      userContextId: userContextId
    });
  })
  // Let's update the icon.
  .then((identity) => {
    let hideorshowIcon = document.querySelector(`#uci-${identity.userContextId}-hideorshow-icon`);
    if (!identity.hasHiddenTabs && !identity.hasOpenTabs) {
      hideorshowIcon.style.display = "none";
    } else {
      hideorshowIcon.style.display = "";
    }

    hideorshowIcon.src = hasHiddenTabs ? CONTAINER_HIDE_SRC : CONTAINER_UNHIDE_SRC;

    // The new identity is returned.
    return identity;
  });
}

if (localStorage.getItem('onboarded2')) {
  for (let element of document.querySelectorAll('.onboarding')) {
    element.classList.add('hide');
  }
  document.querySelector('#container-panel').classList.remove('hide');
} else if (localStorage.getItem('onboarded1')) {
  document.querySelector('.onboarding-panel-1').classList.add('hide');
  document.querySelector('#container-panel').classList.add('hide');
} else {
  document.querySelector('.onboarding-panel-2').classList.add('hide');
  document.querySelector('#container-panel').classList.add('hide');
}

document.querySelector('#onboarding-next-button').addEventListener('click', () => {
  localStorage.setItem('onboarded1', true);
  document.querySelector('.onboarding-panel-2').classList.remove('hide');
  document.querySelector('.onboarding-panel-1').classList.add('hide');
  document.querySelector('#container-panel').classList.add('hide');
});

document.querySelector('#onboarding-done-button').addEventListener('click', () => {
  localStorage.setItem('onboarded2', true);
  document.querySelector('.onboarding-panel-1').classList.add('hide');
  document.querySelector('.onboarding-panel-2').classList.add('hide');
  document.querySelector('#container-panel').classList.remove('hide');
});

browser.runtime.sendMessage({method: 'queryIdentities'}).then(identities => {
  let fragment = document.createDocumentFragment();

  identities.forEach(identity => {
    let hideOrShowIconSrc = CONTAINER_HIDE_SRC;

    if (identity.hasHiddenTabs) {
      hideOrShowIconSrc = CONTAINER_UNHIDE_SRC;
    }

    let tr = document.createElement('tr');
    fragment.appendChild(tr);
    tr.setAttribute('data-identity-cookie-store-id', identity.userContextId);
    tr.innerHTML = `
      <td>
        <div class="userContext-icon"
          data-identity-icon="${identity.image}"
          data-identity-color="${identity.color}">
        </div>
      </td>
      <td>${identity.name}</td>
      <td class="newtab">
        <img
          title="Open a new ${identity.name} container tab"
          src="/img/container-add.svg"
          class="icon newtab-icon" />
      </td>
      <td class="hideorshow" >
        <img
          title="Hide or show ${identity.name} container tabs"
          data-identity-cookie-store-id="${identity.userContextId}"
          id="uci-${identity.userContextId}-hideorshow-icon"
          class="icon hideorshow-icon"
          src="${hideOrShowIconSrc}"
        />
      </td>
      <td>&gt;</td>`;

    // No tabs, no icon.
    if (!identity.hasHiddenTabs && !identity.hasOpenTabs) {
      let hideorshowIcon = fragment.querySelector(`#uci-${identity.userContextId}-hideorshow-icon`);
      hideorshowIcon.style.display = "none";
    }

    tr.addEventListener('click', e => {
      if (e.target.matches('.hideorshow-icon')) {
        showOrHideContainerTabs(identity.userContextId,
                                identity.hasHiddenTabs).then(i => {
          identity = i
        });
      } else if (e.target.matches('.newtab-icon')) {
        showOrHideContainerTabs(identity.userContextId, true).then(() => {
          browser.runtime.sendMessage({
            method: 'openTab',
            userContextId: identity.userContextId,
          }).then(() => {
            window.close();
          });
        });
      }
    });
  });

  document.querySelector('.identities-list').appendChild(fragment);
});

document.querySelector('#edit-containers-link').addEventListener('click', () => {
  browser.runtime.sendMessage({
    method: 'openTab',
    url: "about:preferences#containers"
  }).then(() => {
    window.close();
  });
});

document.querySelector('#sort-containers-link').addEventListener('click', () => {
  browser.runtime.sendMessage({
    method: 'sortTabs'
  }).then(() => {
    window.close();
  });
});