import React, { PureComponent } from 'react';
import { connect, ConnectedProps } from 'react-redux';

// Utils
import { rangeUtil } from '@grafana/data';
import { InlineField, InlineSwitch, VerticalGroup } from '@grafana/ui';
import appEvents from 'app/core/app_events';
import EmptyListCTA from 'app/core/components/EmptyListCTA/EmptyListCTA';
import Page from 'app/core/components/Page/Page';
import config from 'app/core/config';
import { contextSrv } from 'app/core/core';
import { getNavModel } from 'app/core/selectors/navModel';
import { getTimeZone } from 'app/features/profile/state/selectors';
import { AccessControlAction, ApiKey, NewApiKey, StoreState } from 'app/types';
import { ShowModalReactEvent } from 'app/types/events';

import { ApiKeysActionBar } from './ApiKeysActionBar';
import { ApiKeysAddedModal } from './ApiKeysAddedModal';
import { ApiKeysController } from './ApiKeysController';
import { ApiKeysForm } from './ApiKeysForm';
import { ApiKeysTable } from './ApiKeysTable';
import { addApiKey, deleteApiKey, loadApiKeys, toggleIncludeExpired } from './state/actions';
import { setSearchQuery } from './state/reducers';
import { getApiKeys, getApiKeysCount, getIncludeExpired, getIncludeExpiredDisabled } from './state/selectors';

function mapStateToProps(state: StoreState) {
  const canCreate = contextSrv.hasAccess(AccessControlAction.ActionAPIKeysCreate, true);

  return {
    navModel: getNavModel(state.navIndex, 'apikeys'),
    apiKeys: getApiKeys(state.apiKeys),
    searchQuery: state.apiKeys.searchQuery,
    apiKeysCount: getApiKeysCount(state.apiKeys),
    hasFetched: state.apiKeys.hasFetched,
    timeZone: getTimeZone(state.user),
    includeExpired: getIncludeExpired(state.apiKeys),
    includeExpiredDisabled: getIncludeExpiredDisabled(state.apiKeys),
    canCreate: canCreate,
  };
}

const mapDispatchToProps = {
  loadApiKeys,
  deleteApiKey,
  setSearchQuery,
  toggleIncludeExpired,
  addApiKey,
};

const connector = connect(mapStateToProps, mapDispatchToProps);

interface OwnProps {}

export type Props = OwnProps & ConnectedProps<typeof connector>;

interface State {
  isAdding: boolean;
}

export class ApiKeysPageUnconnected extends PureComponent<Props, State> {
  constructor(props: Props) {
    super(props);
  }

  componentDidMount() {
    this.fetchApiKeys();
  }

  async fetchApiKeys() {
    await this.props.loadApiKeys();
  }

  onDeleteApiKey = (key: ApiKey) => {
    this.props.deleteApiKey(key.id!);
  };

  onSearchQueryChange = (value: string) => {
    this.props.setSearchQuery(value);
  };

  onIncludeExpiredChange = (event: React.SyntheticEvent<HTMLInputElement>) => {
    this.props.toggleIncludeExpired();
  };

  onAddApiKey = (newApiKey: NewApiKey) => {
    const openModal = (apiKey: string) => {
      const rootPath = window.location.origin + config.appSubUrl;

      appEvents.publish(
        new ShowModalReactEvent({
          props: {
            apiKey,
            rootPath,
          },
          component: ApiKeysAddedModal,
        })
      );
    };

    const secondsToLive = newApiKey.secondsToLive;
    try {
      const secondsToLiveAsNumber = secondsToLive ? rangeUtil.intervalToSeconds(secondsToLive) : null;
      const apiKey: ApiKey = {
        ...newApiKey,
        secondsToLive: secondsToLiveAsNumber,
      };
      this.props.addApiKey(apiKey, openModal);
      this.setState((prevState: State) => {
        return {
          ...prevState,
          isAdding: false,
        };
      });
    } catch (err) {
      console.error(err);
    }
  };

  render() {
    const {
      hasFetched,
      navModel,
      apiKeysCount,
      apiKeys,
      searchQuery,
      timeZone,
      includeExpired,
      includeExpiredDisabled,
      canCreate,
    } = this.props;

    if (!hasFetched) {
      return (
        <Page navModel={navModel}>
          <Page.Contents isLoading={true}>{}</Page.Contents>
        </Page>
      );
    }

    return (
      <Page navModel={navModel}>
        <Page.Contents isLoading={false}>
          <ApiKeysController>
            {({ isAdding, toggleIsAdding }) => {
              const showCTA = !isAdding && apiKeysCount === 0;
              const showTable = apiKeysCount > 0;
              return (
                <>
                  {/* TODO: enable when API keys to service accounts migration is ready
                    {config.featureToggles.serviceAccounts && (
                      <Alert title="Switch from API keys to Service accounts" severity="info">
                        Service accounts give you more control. API keys will be automatically migrated into tokens inside
                        respective service accounts. The current API keys will still work, but will be called tokens and
                        you will find them in the detail view of a respective service account.
                      </Alert>
                  )} */}
                  {showCTA ? (
                    <EmptyListCTA
                      title="You haven't added any API keys yet."
                      buttonIcon="key-skeleton-alt"
                      onClick={toggleIsAdding}
                      buttonTitle="New API key"
                      proTip="Remember, you can provide view-only API access to other applications."
                      buttonDisabled={!canCreate}
                    />
                  ) : null}
                  {showTable ? (
                    <ApiKeysActionBar
                      searchQuery={searchQuery}
                      disabled={isAdding || !canCreate}
                      onAddClick={toggleIsAdding}
                      onSearchChange={this.onSearchQueryChange}
                    />
                  ) : null}
                  <ApiKeysForm
                    show={isAdding}
                    onClose={toggleIsAdding}
                    onKeyAdded={this.onAddApiKey}
                    disabled={!canCreate}
                  />
                  {showTable ? (
                    <VerticalGroup>
                      <InlineField disabled={includeExpiredDisabled} label="Include expired keys">
                        <InlineSwitch id="showExpired" value={includeExpired} onChange={this.onIncludeExpiredChange} />
                      </InlineField>
                      <ApiKeysTable apiKeys={apiKeys} timeZone={timeZone} onDelete={this.onDeleteApiKey} />
                    </VerticalGroup>
                  ) : null}
                </>
              );
            }}
          </ApiKeysController>
        </Page.Contents>
      </Page>
    );
  }
}

const ApiKeysPage = connector(ApiKeysPageUnconnected);
export default ApiKeysPage;