import './settings.css';

import { useRef, useState } from 'preact/hooks';

import Avatar from '../components/avatar';
import Icon from '../components/icon';
import NameText from '../components/name-text';
import store from '../utils/store';

/*
  Settings component that shows these settings:
  - Accounts list for switching
  - Dark/light/auto theme switch (done with adding/removing 'is-light' or 'is-dark' class on the body)
*/

function Settings({ onClose }) {
  // Accounts
  const accounts = store.local.getJSON('accounts');
  const currentAccount = store.session.get('currentAccount');
  const currentTheme = store.local.get('theme') || 'auto';
  const themeFormRef = useRef();
  const moreThanOneAccount = accounts.length > 1;
  const [currentDefault, setCurrentDefault] = useState(0);

  return (
    <div id="settings-container" class="sheet">
      {/* <button type="button" class="close-button plain large" onClick={onClose}>
        <Icon icon="x" alt="Close" />
      </button> */}
      <h2>Accounts</h2>
      <ul class="accounts-list">
        {accounts.map((account, i) => {
          const isCurrent = account.info.id === currentAccount;
          const isDefault = i === (currentDefault || 0);
          return (
            <li>
              <div>
                {moreThanOneAccount && (
                  <span class={`current ${isCurrent ? 'is-current' : ''}`}>
                    <Icon icon="check-circle" alt="Current" />
                  </span>
                )}
                <Avatar url={account.info.avatarStatic} size="xxl" />
                <NameText account={account.info} showAcct />
              </div>
              <div class="actions">
                {isDefault && moreThanOneAccount && (
                  <>
                    <span class="tag">Default</span>{' '}
                  </>
                )}
                {!isCurrent && (
                  <button
                    type="button"
                    class="light"
                    onClick={() => {
                      store.session.set('currentAccount', account.info.id);
                      location.reload();
                    }}
                  >
                    <Icon icon="transfer" /> Switch
                  </button>
                )}
                <div>
                  {!isDefault && moreThanOneAccount && (
                    <button
                      type="button"
                      class="plain small"
                      onClick={() => {
                        // Move account to the top of the list
                        accounts.splice(i, 1);
                        accounts.unshift(account);
                        store.local.setJSON('accounts', accounts);
                        setCurrentDefault(i);
                      }}
                    >
                      Set as default
                    </button>
                  )}
                  {isCurrent && (
                    <>
                      {' '}
                      <button
                        type="button"
                        class="plain small"
                        onClick={() => {
                          const yes = confirm(
                            'Are you sure you want to log out?',
                          );
                          if (!yes) return;
                          accounts.splice(i, 1);
                          store.local.setJSON('accounts', accounts);
                          location.reload();
                        }}
                      >
                        Log out
                      </button>
                    </>
                  )}
                </div>
              </div>
            </li>
          );
        })}
      </ul>
      {moreThanOneAccount && (
        <p>
          <small>
            Note: <i>Default</i> account will always be used for first load.
            Switched accounts will persist during the session.
          </small>
        </p>
      )}
      <p style={{ textAlign: 'end' }}>
        <a href="/#/login" class="button" onClick={onClose}>
          Add new account
        </a>
      </p>
      <h2>Theme</h2>
      <form
        ref={themeFormRef}
        onInput={(e) => {
          console.log(e);
          e.preventDefault();
          const formData = new FormData(themeFormRef.current);
          const theme = formData.get('theme');
          const html = document.documentElement;

          if (theme === 'auto') {
            html.classList.remove('is-light', 'is-dark');
          } else {
            html.classList.toggle('is-light', theme === 'light');
            html.classList.toggle('is-dark', theme === 'dark');
          }
          document
            .querySelector('meta[name="color-scheme"]')
            .setAttribute('content', theme);

          if (theme === 'auto') {
            store.local.del('theme');
          } else {
            store.local.set('theme', theme);
          }
        }}
      >
        <div class="radio-group">
          <label>
            <input
              type="radio"
              name="theme"
              value="light"
              defaultChecked={currentTheme === 'light'}
            />
            <span>Light</span>
          </label>
          <label>
            <input
              type="radio"
              name="theme"
              value="dark"
              defaultChecked={currentTheme === 'dark'}
            />
            <span>Dark</span>
          </label>
          <label>
            <input
              type="radio"
              name="theme"
              value="auto"
              defaultChecked={
                currentTheme !== 'light' && currentTheme !== 'dark'
              }
            />
            <span>Auto</span>
          </label>
        </div>
      </form>
      <h2>About</h2>
      <p>
        <a href="https://github.com/cheeaun/phanpy" target="_blank">
          Built
        </a>{' '}
        by{' '}
        <a href="https://mastodon.social/@cheeaun" target="_blank">
          @cheeaun
        </a>
        .
      </p>
      {__BUILD_TIME__ && (
        <p>
          Last build:{' '}
          <relative-time datetime={new Date(__BUILD_TIME__).toISOString()} />{' '}
          {__COMMIT_HASH__ && (
            <>
              (
              <a
                href={`https://github.com/cheeaun/phanpy/commit/${__COMMIT_HASH__}`}
                target="_blank"
              >
                <code>{__COMMIT_HASH__}</code>
              </a>
              )
            </>
          )}
        </p>
      )}
    </div>
  );
}

export default Settings;