// @flow
import { ALERT } from 'constants/icons';
import { SETTINGS_GRP } from 'constants/settings';
import React from 'react';
import Button from 'component/button';
import Card from 'component/common/card';
import { FormField } from 'component/common/form';
import FileSelector from 'component/common/file-selector';
import I18nMessage from 'component/i18nMessage';
import SettingAutoLaunch from 'component/settingAutoLaunch';
import SettingClosingBehavior from 'component/settingClosingBehavior';
import SettingCommentsServer from 'component/settingCommentsServer';
import SettingDataHosting from 'component/settingDataHosting';
import SettingShareUrl from 'component/settingShareUrl';
import SettingsRow from 'component/settingsRow';
import SettingWalletServer from 'component/settingWalletServer';
import Spinner from 'component/spinner';
import { getPasswordFromCookie } from 'util/saved-passwords';
import * as DAEMON_SETTINGS from 'constants/daemon_settings';
import SettingEnablePrereleases from 'component/settingEnablePrereleases';

const IS_MAC = process.platform === 'darwin';

type Price = {
  currency: string,
  amount: number,
};

type SetDaemonSettingArg = boolean | string | number | Price;

type DaemonSettings = {
  download_dir: string,
  share_usage_data: boolean,
  max_key_fee?: Price,
  max_connections_per_download?: number,
  save_files: boolean,
  save_blobs: boolean,
  ffmpeg_path: string,
};

type Props = {
  // --- select ---
  daemonSettings: DaemonSettings,
  ffmpegStatus: { available: boolean, which: string },
  findingFFmpeg: boolean,
  walletEncrypted: boolean,
  isAuthenticated: boolean,
  allowAnalytics: boolean,
  // --- perform ---
  setDaemonSetting: (string, ?SetDaemonSettingArg) => void,
  clearDaemonSetting: (string) => void,
  clearCache: () => Promise<any>,
  findFFmpeg: () => void,
  encryptWallet: () => void,
  decryptWallet: () => void,
  updateWalletStatus: () => void,
  confirmForgetPassword: ({}) => void,
  toggle3PAnalytics: (boolean) => void,
};

export default function SettingSystem(props: Props) {
  const {
    daemonSettings,
    ffmpegStatus,
    findingFFmpeg,
    walletEncrypted,
    isAuthenticated,
    allowAnalytics,
    setDaemonSetting,
    clearDaemonSetting,
    clearCache,
    findFFmpeg,
    encryptWallet,
    decryptWallet,
    updateWalletStatus,
    confirmForgetPassword,
    toggle3PAnalytics,
  } = props;

  const [clearingCache, setClearingCache] = React.useState(false);
  const [storedPassword, setStoredPassword] = React.useState(false);
  const { available: ffmpegAvailable, which: ffmpegPath } = ffmpegStatus;

  function onChangeEncryptWallet() {
    if (walletEncrypted) {
      decryptWallet();
    } else {
      encryptWallet();
    }
  }

  function onConfirmForgetPassword() {
    confirmForgetPassword({ callback: () => setStoredPassword(false) });
  }

  // Update ffmpeg variables
  React.useEffect(() => {
    const { available } = ffmpegStatus;
    const { ffmpeg_path: ffmpegPath } = daemonSettings;
    if (!available) {
      if (ffmpegPath) {
        clearDaemonSetting('ffmpeg_path');
      }
      findFFmpeg();
    }
  }, []); // eslint-disable-line react-hooks/exhaustive-deps

  // Update storedPassword state
  React.useEffect(() => {
    updateWalletStatus();
    getPasswordFromCookie().then((p) => {
      if (typeof p === 'string') {
        setStoredPassword(true);
      }
    });
  }, []); // eslint-disable-line react-hooks/exhaustive-deps

  return (
    <>
      <div className="card__title-section">
        <h2 className="card__title">{__('System')}</h2>
      </div>
      <Card
        id={SETTINGS_GRP.SYSTEM}
        isBodyList
        body={
          <>
            {/* @if TARGET='app' */}
            <SettingsRow title={__('Download directory')} subtitle={__('LBRY downloads will be saved here.')}>
              <FileSelector
                type="openDirectory"
                currentPath={daemonSettings.download_dir}
                onFileChosen={(newDirectory: WebFile) => {
                  setDaemonSetting('download_dir', newDirectory.path);
                }}
              />
            </SettingsRow>
            {/* @endif */}

            <SettingsRow
              title={__('Save all viewed content to your downloads directory')}
              subtitle={__(
                'Paid content and some file types are saved by default. Changing this setting will not affect previously downloaded content.'
              )}
            >
              <FormField
                type="checkbox"
                name="save_files"
                onChange={() => setDaemonSetting('save_files', !daemonSettings.save_files)}
                checked={daemonSettings.save_files}
              />
            </SettingsRow>
            <SettingsRow
              title={__('Data Hosting')}
              multirow
              subtitle={
                <React.Fragment>
                  {__('Help improve the P2P data network (and make LBRY happy) by hosting data.')}{' '}
                  {__("View History Hosting lets you choose how much storage to use helping content you've consumed.")}{' '}
                  {/* {__( */}
                  {/*  'Automatic Hosting lets you delegate some amount of storage for the network to automatically download and host.' */}
                  {/* )}{' '} */}
                  {__('Playing videos may exceed your history hosting limit until cleanup runs every 30 minutes.')}
                  <br />
                  <Button button="link" label={__('Learn more')} href="https://lbry.com/faq/host-content" />
                </React.Fragment>
              }
            >
              <SettingDataHosting />
            </SettingsRow>
            <SettingsRow
              title={__('Share usage and diagnostic data')}
              subtitle={
                <React.Fragment>
                  {__(
                    `This is information like error logging, performance tracking, and usage statistics. It includes your IP address and basic system details, but no other identifying information (unless you connect to a cloud service)`
                  )}{' '}
                  <Button button="link" label={__('Learn more')} href="https://lbry.com/privacypolicy" />
                </React.Fragment>
              }
              multirow
            >
              <FormField
                type="checkbox"
                name="share_internal"
                onChange={() => setDaemonSetting('share_usage_data', !daemonSettings.share_usage_data)}
                checked={daemonSettings.share_usage_data}
                label={<React.Fragment>{__('Allow the app to share data to LBRY.inc')}</React.Fragment>}
                helper={
                  isAuthenticated
                    ? __('Internal sharing is required while signed in.')
                    : __('Internal sharing is required to participate in rewards programs.')
                }
                disabled={isAuthenticated && daemonSettings.share_usage_data}
              />
              <FormField
                type="checkbox"
                name="share_third_party"
                onChange={(e) => toggle3PAnalytics(e.target.checked)}
                checked={allowAnalytics}
                label={__('Allow the app to access third party analytics platforms')}
                helper={__('We use detailed analytics to improve all aspects of the LBRY experience.')}
              />
            </SettingsRow>
            {/* Auto launch in a hidden state doesn't work on mac https://github.com/Teamwork/node-auto-launch/issues/81 */}
            {!IS_MAC && (
              <SettingsRow
                title={__('Start minimized')}
                subtitle={__(
                  'Improve view speed and help the LBRY network by allowing the app to cuddle up in your system tray.'
                )}
              >
                <SettingAutoLaunch noLabels />
              </SettingsRow>
            )}
            <SettingsRow title={__('Leave app running in notification area when the window is closed')}>
              <SettingClosingBehavior noLabels />
            </SettingsRow>
            <SettingsRow
              title={__('Enable Upgrade to Test Builds')}
              subtitle={__('Prereleases may break things and we may not be able to fix them for you.')}
            >
              <SettingEnablePrereleases />
            </SettingsRow>
            <SettingsRow
              title={
                <span>
                  {__('Automatic transcoding')}
                  {findingFFmpeg && <Spinner type="small" />}
                </span>
              }
            >
              <FileSelector
                type="openDirectory"
                placeholder={__('A Folder containing FFmpeg')}
                currentPath={ffmpegPath || daemonSettings.ffmpeg_path}
                onFileChosen={(newDirectory: WebFile) => {
                  // $FlowFixMe
                  setDaemonSetting('ffmpeg_path', newDirectory.path);
                  findFFmpeg();
                }}
                disabled={Boolean(ffmpegPath)}
              />
              <p className="help">
                {ffmpegAvailable ? (
                  <I18nMessage
                    tokens={{
                      learn_more: (
                        <Button
                          button="link"
                          label={__('Learn more')}
                          href="https://lbry.com/faq/video-publishing-guide#automatic"
                        />
                      ),
                    }}
                  >
                    FFmpeg is correctly configured. %learn_more%
                  </I18nMessage>
                ) : (
                  <I18nMessage
                    tokens={{
                      check_again: (
                        <Button
                          button="link"
                          label={__('Check again')}
                          onClick={() => findFFmpeg()}
                          disabled={findingFFmpeg}
                        />
                      ),
                      learn_more: (
                        <Button
                          button="link"
                          label={__('Learn more')}
                          href="https://lbry.com/faq/video-publishing-guide#automatic"
                        />
                      ),
                    }}
                  >
                    FFmpeg could not be found. Navigate to it or Install, Then %check_again% or quit and restart the
                    app. %learn_more%
                  </I18nMessage>
                )}
              </p>
            </SettingsRow>
            <SettingsRow
              title={__('Encrypt my wallet with a custom password')}
              subtitle={
                <React.Fragment>
                  <I18nMessage
                    tokens={{
                      learn_more: (
                        <Button button="link" label={__('Learn more')} href="https://lbry.com/faq/account-sync" />
                      ),
                    }}
                  >
                    Wallet encryption is currently unavailable until it's supported for synced accounts. It will be
                    added back soon. %learn_more%.
                  </I18nMessage>
                  {/* {__('Secure your local wallet data with a custom password.')}{' '}
                   <strong>{__('Lost passwords cannot be recovered.')} </strong>
                   <Button button="link" label={__('Learn more')} href="https://lbry.com/faq/wallet-encryption" />. */}
                </React.Fragment>
              }
            >
              <FormField
                disabled
                type="checkbox"
                name="encrypt_wallet"
                onChange={() => onChangeEncryptWallet()}
                checked={walletEncrypted}
              />
            </SettingsRow>

            {walletEncrypted && storedPassword && (
              <SettingsRow
                title={__('Save wallet password')}
                subtitle={__('Automatically unlock your wallet on startup')}
              >
                <FormField
                  type="checkbox"
                  name="save_password"
                  onChange={onConfirmForgetPassword}
                  checked={storedPassword}
                />
              </SettingsRow>
            )}
            <SettingsRow
              title={__('Max connections')}
              subtitle={__(
                'For users with good bandwidth, try a higher value to improve streaming and download speeds. Low bandwidth users may benefit from a lower setting. Default is 4.'
              )}
            >
              {/* Disabling below until we get downloads to work with shared subscriptions code */}
              {/*
            <FormField
              type="checkbox"
              name="auto_download"
              onChange={() => setClientSetting(SETTINGS.AUTO_DOWNLOAD, !autoDownload)}
              checked={autoDownload}
              label={__('Automatically download new content from my subscriptions')}
              helper={__(
                "The latest file from each of your subscriptions will be downloaded for quick access as soon as it's published."
              )}
            />
            */}
              <fieldset-section>
                <FormField
                  name="max_connections"
                  type="select"
                  min={1}
                  max={100}
                  onChange={(e) => setDaemonSetting(DAEMON_SETTINGS.MAX_CONNECTIONS_PER_DOWNLOAD, e.target.value)}
                  value={daemonSettings[DAEMON_SETTINGS.MAX_CONNECTIONS_PER_DOWNLOAD]}
                >
                  {[1, 2, 4, 6, 10, 20].map((connectionOption) => (
                    <option key={connectionOption} value={connectionOption}>
                      {connectionOption}
                    </option>
                  ))}
                </FormField>
              </fieldset-section>
            </SettingsRow>

            <SettingsRow
              title={__('Wallet server')}
              subtitle={
                <I18nMessage
                  tokens={{
                    learn_more: (
                      <Button button="link" href="http://lbry.com/faq/wallet-servers" label={__('Learn More')} />
                    ),
                  }}
                >
                  Wallet servers are used to relay data to and from the LBRY blockchain. They also determine what
                  content shows in trending or is blocked. %learn_more%
                </I18nMessage>
              }
              multirow
            >
              <SettingWalletServer />
            </SettingsRow>

            <SettingsRow title={__('Comments server')} multirow>
              <SettingCommentsServer />
            </SettingsRow>
            <SettingsRow title={__('Share url')} multirow>
              <SettingShareUrl />
            </SettingsRow>
            <SettingsRow
              title={__('Clear application cache')}
              subtitle={__('This might fix issues that you are having. Your wallet will not be affected.')}
            >
              <Button
                button="secondary"
                icon={ALERT}
                label={clearingCache ? __('Clearing') : __('Clear Cache')}
                onClick={() => {
                  setClearingCache(true);
                  clearCache();
                }}
                disabled={clearingCache}
              />
            </SettingsRow>
          </>
        }
      />
    </>
  );
}