import React, { useState, useContext } from 'react';

import { useHistory } from 'react-router-dom';
import { useDispatch, useSelector } from 'react-redux';

import Box from '../../../components/ui/box/box';
import Button from '../../../components/ui/button';
import Typography from '../../../components/ui/typography';
import {
  FONT_WEIGHT,
  TextColor,
  TypographyVariant,
} from '../../../helpers/constants/design-system';
import { useI18nContext } from '../../../hooks/useI18nContext';
import { addUrlProtocolPrefix } from '../../../helpers/utils/ipfs';
import {
  setCompletedOnboarding,
  setFeatureFlag,
  setUseMultiAccountBalanceChecker,
  setUsePhishDetect,
  setUseTokenDetection,
  showModal,
  setIpfsGateway,
  showNetworkDropdown,
  setUseCurrencyRateCheck,
} from '../../../store/actions';
import { ONBOARDING_PIN_EXTENSION_ROUTE } from '../../../helpers/constants/routes';
import { TextField } from '../../../components/component-library';
import { Icon } from '../../../components/component-library/icon/deprecated';
import NetworkDropdown from '../../../components/app/dropdowns/network-dropdown';
import NetworkDisplay from '../../../components/app/network-display/network-display';
import {
  COINGECKO_LINK,
  CRYPTOCOMPARE_LINK,
  PRIVACY_POLICY_LINK,
} from '../../../../shared/lib/ui-utils';
import { MetaMetricsContext } from '../../../contexts/metametrics';
import {
  MetaMetricsEventCategory,
  MetaMetricsEventName,
} from '../../../../shared/constants/metametrics';

import { Setting } from './setting';

export default function PrivacySettings() {
  const t = useI18nContext();
  const dispatch = useDispatch();
  const history = useHistory();
  const [usePhishingDetection, setUsePhishingDetection] = useState(true);
  const [turnOnTokenDetection, setTurnOnTokenDetection] = useState(true);
  const [turnOnCurrencyRateCheck, setTurnOnCurrencyRateCheck] = useState(true);
  const [showIncomingTransactions, setShowIncomingTransactions] =
    useState(true);
  const [
    isMultiAccountBalanceCheckerEnabled,
    setMultiAccountBalanceCheckerEnabled,
  ] = useState(true);
  const [ipfsURL, setIPFSURL] = useState('');
  const [ipfsError, setIPFSError] = useState(null);
  const trackEvent = useContext(MetaMetricsContext);

  const networks = useSelector(
    (state) => state.metamask.networkConfigurations || {},
  );

  const handleSubmit = () => {
    dispatch(
      setFeatureFlag('showIncomingTransactions', showIncomingTransactions),
    );
    dispatch(setUsePhishDetect(usePhishingDetection));
    dispatch(setUseTokenDetection(turnOnTokenDetection));
    dispatch(
      setUseMultiAccountBalanceChecker(isMultiAccountBalanceCheckerEnabled),
    );
    dispatch(setUseCurrencyRateCheck(turnOnCurrencyRateCheck));
    dispatch(setCompletedOnboarding());

    if (ipfsURL && !ipfsError) {
      const { host } = new URL(addUrlProtocolPrefix(ipfsURL));
      dispatch(setIpfsGateway(host));
    }

    trackEvent({
      category: MetaMetricsEventCategory.Onboarding,
      event: MetaMetricsEventName.OnboardingWalletAdvancedSettings,
      properties: {
        show_incoming_tx: showIncomingTransactions,
        use_phising_detection: usePhishingDetection,
        turnon_token_detection: turnOnTokenDetection,
      },
    });

    history.push(ONBOARDING_PIN_EXTENSION_ROUTE);
  };

  const handleIPFSChange = (url) => {
    setIPFSURL(url);
    try {
      const { host } = new URL(addUrlProtocolPrefix(url));
      if (!host || host === 'gateway.ipfs.io') {
        throw new Error();
      }
      setIPFSError(null);
    } catch (error) {
      setIPFSError(t('onboardingAdvancedPrivacyIPFSInvalid'));
    }
  };

  return (
    <>
      <div className="privacy-settings" data-testid="privacy-settings">
        <div className="privacy-settings__header">
          <Typography
            variant={TypographyVariant.H2}
            fontWeight={FONT_WEIGHT.BOLD}
          >
            {t('advancedConfiguration')}
          </Typography>
          <Typography variant={TypographyVariant.H4}>
            {t('setAdvancedPrivacySettingsDetails')}
          </Typography>
        </div>
        <div
          className="privacy-settings__settings"
          data-testid="privacy-settings-settings"
        >
          <Setting
            value={showIncomingTransactions}
            setValue={setShowIncomingTransactions}
            title={t('showIncomingTransactions')}
            description={t('onboardingShowIncomingTransactionsDescription', [
              <a
                key="etherscan"
                href="https://etherscan.io/"
                target="_blank"
                rel="noreferrer"
              >
                {t('etherscan')}
              </a>,
              <a
                href="https://etherscan.io/privacyPolicy"
                target="_blank"
                rel="noreferrer"
                key="privacyMsg"
              >
                {t('privacyMsg')}
              </a>,
            ])}
          />
          <Setting
            value={usePhishingDetection}
            setValue={setUsePhishingDetection}
            title={t('usePhishingDetection')}
            description={t('onboardingUsePhishingDetectionDescription', [
              <a
                href="https://www.jsdelivr.com"
                target="_blank"
                rel="noreferrer"
                key="jsDeliver"
              >
                {t('jsDeliver')}
              </a>,
              <a
                href="https://www.jsdelivr.com/terms/privacy-policy-jsdelivr-com"
                target="_blank"
                rel="noreferrer"
                key="privacyMsg"
              >
                {t('privacyMsg')}
              </a>,
            ])}
          />
          <Setting
            value={turnOnTokenDetection}
            setValue={setTurnOnTokenDetection}
            title={t('turnOnTokenDetection')}
            description={t('useTokenDetectionPrivacyDesc')}
          />
          <Setting
            value={isMultiAccountBalanceCheckerEnabled}
            setValue={setMultiAccountBalanceCheckerEnabled}
            title={t('useMultiAccountBalanceChecker')}
            description={t('useMultiAccountBalanceCheckerDescription')}
          />
          <Setting
            title={t('onboardingAdvancedPrivacyNetworkTitle')}
            showToggle={false}
            description={
              <>
                {t('onboardingAdvancedPrivacyNetworkDescription', [
                  <a
                    href="https://consensys.net/privacy-policy/"
                    key="link"
                    target="_blank"
                    rel="noopener noreferrer"
                  >
                    {t('privacyMsg')}
                  </a>,
                ])}

                <Box paddingTop={2}>
                  {Object.values(networks).length > 1 ? (
                    <div className="privacy-settings__network">
                      <>
                        <NetworkDisplay
                          onClick={() => dispatch(showNetworkDropdown())}
                        />
                        <NetworkDropdown
                          hideElementsForOnboarding
                          dropdownStyles={{
                            position: 'absolute',
                            top: '40px',
                            left: '0',
                            width: '309px',
                            zIndex: '55',
                          }}
                          onAddClick={() => {
                            dispatch(
                              showModal({ name: 'ONBOARDING_ADD_NETWORK' }),
                            );
                          }}
                        />
                      </>
                    </div>
                  ) : null}
                  {Object.values(networks).length === 1 ? (
                    <Button
                      type="secondary"
                      rounded
                      large
                      onClick={(e) => {
                        e.preventDefault();
                        dispatch(showModal({ name: 'ONBOARDING_ADD_NETWORK' }));
                      }}
                      icon={<Icon name="add" marginRight={2} />}
                    >
                      {t('onboardingAdvancedPrivacyNetworkButton')}
                    </Button>
                  ) : null}
                </Box>
              </>
            }
          />
          <Setting
            title={t('onboardingAdvancedPrivacyIPFSTitle')}
            showToggle={false}
            description={
              <>
                {t('onboardingAdvancedPrivacyIPFSDescription')}
                <Box paddingTop={2}>
                  <TextField
                    style={{ width: '100%' }}
                    inputProps={{ 'data-testid': 'ipfs-input' }}
                    onChange={(e) => {
                      handleIPFSChange(e.target.value);
                    }}
                  />
                  {ipfsURL ? (
                    <Typography
                      variant={TypographyVariant.H7}
                      color={
                        ipfsError
                          ? TextColor.errorDefault
                          : TextColor.successDefault
                      }
                    >
                      {ipfsError || t('onboardingAdvancedPrivacyIPFSValid')}
                    </Typography>
                  ) : null}
                </Box>
              </>
            }
          />
          <Setting
            value={turnOnCurrencyRateCheck}
            setValue={setTurnOnCurrencyRateCheck}
            title={t('currencyRateCheckToggle')}
            description={t('currencyRateCheckToggleDescription', [
              <a
                key="coingecko_link"
                href={COINGECKO_LINK}
                rel="noreferrer"
                target="_blank"
              >
                {t('coingecko')}
              </a>,
              <a
                key="cryptocompare_link"
                href={CRYPTOCOMPARE_LINK}
                rel="noreferrer"
                target="_blank"
              >
                {t('cryptoCompare')}
              </a>,
              <a
                key="privacy_policy_link"
                href={PRIVACY_POLICY_LINK}
                rel="noreferrer"
                target="_blank"
              >
                {t('privacyMsg')}
              </a>,
            ])}
          />
        </div>
        <Button type="primary" rounded onClick={handleSubmit}>
          {t('done')}
        </Button>
      </div>
    </>
  );
}