import React, { useContext, useState } from 'react';
import { useDispatch, useSelector } from 'react-redux';
import { useHistory } from 'react-router-dom';
import PulseLoader from '../../../components/ui/pulse-loader';
import { CUSTODY_ACCOUNT_ROUTE } from '../../../helpers/constants/routes';
import {
  AlignItems,
  DISPLAY,
  TextColor,
  TEXT_ALIGN,
  FLEX_DIRECTION,
} from '../../../helpers/constants/design-system';
import { BUILT_IN_NETWORKS } from '../../../../shared/constants/network';
import { I18nContext } from '../../../contexts/i18n';
import { MetaMetricsContext } from '../../../contexts/metametrics';
import { getMostRecentOverviewPage } from '../../../ducks/history/history';
import { setProviderType } from '../../../store/actions';
import { mmiActionsFactory } from '../../../store/institutional/institution-background';
import {
  Label,
  Text,
  ButtonLink,
  Button,
  BUTTON_SIZES,
  BUTTON_VARIANT,
} from '../../../components/component-library';
import Box from '../../../components/ui/box';

const ConfirmAddCustodianToken = () => {
  const t = useContext(I18nContext);
  const dispatch = useDispatch();
  const history = useHistory();
  const trackEvent = useContext(MetaMetricsContext);
  const mmiActions = mmiActionsFactory();

  const mostRecentOverviewPage = useSelector(getMostRecentOverviewPage);
  const connectRequests = useSelector(
    (state) => state.metamask.institutionalFeatures?.connectRequests,
  );
  const complianceActivated = useSelector((state) =>
    Boolean(state.metamask.institutionalFeatures?.complianceProjectId),
  );
  const [showMore, setShowMore] = useState(false);
  const [isLoading, setIsLoading] = useState(false);
  const [connectError, setConnectError] = useState('');

  const handleConnectError = (e) => {
    let errorMessage = e.message;

    if (!errorMessage) {
      errorMessage = 'Connection error';
    }

    setConnectError(errorMessage);
    setIsLoading(false);
  };

  const renderSelectedToken = () => {
    const connectRequest = connectRequests ? connectRequests[0] : undefined;

    return (
      <Box
        paddingTop={2}
        paddingBottom={2}
        display={DISPLAY.FLEX}
        flexDirection={FLEX_DIRECTION.ROW}
        alignItems={AlignItems.center}
      >
        <Text>
          {showMore && connectRequest?.token
            ? connectRequest?.token
            : `...${connectRequest?.token.slice(-9)}`}
        </Text>
        {!showMore && (
          <Box paddingLeft={2}>
            <ButtonLink
              rel="noopener noreferrer"
              onClick={() => {
                setShowMore(true);
              }}
            >
              {t('showMore')}
            </ButtonLink>
          </Box>
        )}
      </Box>
    );
  };

  const connectRequest = connectRequests ? connectRequests[0] : undefined;

  if (!connectRequest) {
    history.push(mostRecentOverviewPage);
    return null;
  }

  trackEvent({
    category: 'MMI',
    event: 'Custodian onboarding',
    properties: {
      actions: 'Custodian RPC request',
      custodian: connectRequest.custodian,
      apiUrl: connectRequest.apiUrl,
    },
  });

  let custodianLabel = '';

  if (
    connectRequest.labels &&
    connectRequest.labels.some((label) => label.key === 'service')
  ) {
    custodianLabel = connectRequest.labels.find(
      (label) => label.key === 'service',
    ).value;
  }

  return (
    <Box className="page-container">
      <Box className="page-container__header">
        <Text className="page-container__title">{t('custodianAccount')}</Text>
        <Text className="page-container__subtitle">
          {t('mmiAddToken', [connectRequest.origin])}
        </Text>
      </Box>
      <Box padding={4} className="page-container__content">
        {custodianLabel && (
          <>
            <Text padding={4} color={TextColor.textDefault}>
              {t('custodian')}
            </Text>
            <Label
              marginRight={4}
              marginLeft={4}
              color={TextColor.textAlternative}
              className="add_custodian_token_confirm__url"
            >
              {custodianLabel}
            </Label>
          </>
        )}

        <Text padding={4} color={TextColor.textDefault}>
          {t('token')}
        </Text>
        <Box
          marginRight={4}
          marginLeft={4}
          className="add_custodian_token_confirm__token"
        >
          {renderSelectedToken()}
        </Box>
        {connectRequest.apiUrl && (
          <Box>
            <Text padding={4} color={TextColor.textDefault}>
              {t('apiUrl')}
            </Text>
            <Text
              marginRight={4}
              marginLeft={4}
              color={TextColor.textAlternative}
              fontSize="14"
              className="add_custodian_token_confirm__url"
            >
              {connectRequest.apiUrl}
            </Text>
          </Box>
        )}
      </Box>

      {!complianceActivated && (
        <Box marginTop={4} data-testid="connect-custodian-token-error">
          <Text data-testid="error-message" textAlign={TEXT_ALIGN.CENTER}>
            {connectError}
          </Text>
        </Box>
      )}

      <Box as="footer" className="page-container__footer" padding={4}>
        {isLoading ? (
          <PulseLoader />
        ) : (
          <Box display={DISPLAY.FLEX} gap={4}>
            <Button
              block
              variant={BUTTON_VARIANT.SECONDARY}
              size={BUTTON_SIZES.LG}
              data-testid="cancel-btn"
              onClick={() => {
                mmiActions.removeAddTokenConnectRequest({
                  origin: connectRequest.origin,
                  apiUrl: connectRequest.apiUrl,
                  token: connectRequest.token,
                });
                history.push(mostRecentOverviewPage);
                trackEvent({
                  category: 'MMI',
                  event: 'Custodian onboarding',
                  properties: {
                    actions: 'Custodian RPC cancel',
                    custodian: connectRequest.custodian,
                    apiUrl: connectRequest.apiUrl,
                  },
                });
              }}
            >
              {t('cancel')}
            </Button>
            <Button
              block
              data-testid="confirm-btn"
              size={BUTTON_SIZES.LG}
              onClick={async () => {
                setConnectError('');
                setIsLoading(true);

                try {
                  if (connectRequest.chainId) {
                    const networkType = Object.keys(BUILT_IN_NETWORKS).find(
                      (key) =>
                        Number(BUILT_IN_NETWORKS[key].chainId).toString(10) ===
                        connectRequest.chainId.toString(),
                    );
                    await dispatch(setProviderType(networkType));
                  }

                  let custodianName = connectRequest.service.toLowerCase();

                  if (connectRequest.service === 'JSONRPC') {
                    custodianName = connectRequest.environment;
                  }

                  await mmiActions.setCustodianConnectRequest({
                    token: connectRequest.token,
                    apiUrl: connectRequest.apiUrl,
                    custodianName,
                    custodianType: connectRequest.service,
                  });
                  mmiActions.removeAddTokenConnectRequest({
                    origin: connectRequest.origin,
                    apiUrl: connectRequest.apiUrl,
                    token: connectRequest.token,
                  });
                  trackEvent({
                    category: 'MMI',
                    event: 'Custodian onboarding',
                    properties: {
                      actions: 'Custodian RPC confirm',
                      custodian: connectRequest.custodian,
                      apiUrl: connectRequest.apiUrl,
                    },
                  });
                  history.push(CUSTODY_ACCOUNT_ROUTE);
                } catch (e) {
                  handleConnectError(e);
                }
              }}
            >
              {t('confirm')}
            </Button>
          </Box>
        )}
      </Box>
    </Box>
  );
};

export default ConfirmAddCustodianToken;