import * as React from 'react';
import * as ReactRouter from 'react-router';
import {Location, LocationDescriptorObject} from 'history';

import {addSuccessMessage} from 'app/actionCreators/indicator';
import {openModal} from 'app/actionCreators/modal';
import {fetchLegacyKeyTransactionsCount} from 'app/actionCreators/performance';
import GuideAnchor from 'app/components/assistant/guideAnchor';
import GridEditable, {COL_WIDTH_UNDEFINED, GridColumn} from 'app/components/gridEditable';
import SortLink from 'app/components/gridEditable/sortLink';
import Link from 'app/components/links/link';
import Pagination from 'app/components/pagination';
import Tooltip from 'app/components/tooltip';
import {IconStar} from 'app/icons';
import {tct} from 'app/locale';
import {Organization, Project} from 'app/types';
import {defined} from 'app/utils';
import {trackAnalyticsEvent} from 'app/utils/analytics';
import DiscoverQuery, {TableData, TableDataRow} from 'app/utils/discover/discoverQuery';
import EventView, {EventData, isFieldSortable} from 'app/utils/discover/eventView';
import {getFieldRenderer} from 'app/utils/discover/fieldRenderers';
import {fieldAlignment, getAggregateAlias} from 'app/utils/discover/fields';
import {tokenizeSearch} from 'app/utils/tokenizeSearch';
import CellAction, {Actions, updateQuery} from 'app/views/eventsV2/table/cellAction';
import {TableColumn} from 'app/views/eventsV2/table/types';

import TransactionThresholdModal, {
  modalCss,
  TransactionThresholdMetric,
} from './transactionSummary/transactionThresholdModal';
import {transactionSummaryRouteWithQuery} from './transactionSummary/utils';
import {COLUMN_TITLES} from './data';

export function getProjectID(
  eventData: EventData,
  projects: Project[]
): string | undefined {
  const projectSlug = (eventData?.project as string) || undefined;

  if (typeof projectSlug === undefined) {
    return undefined;
  }

  const project = projects.find(currentProject => currentProject.slug === projectSlug);

  if (!project) {
    return undefined;
  }

  return project.id;
}

type Props = {
  eventView: EventView;
  organization: Organization;
  location: Location;
  setError: (msg: string | undefined) => void;
  summaryConditions: string;

  projects: Project[];
  columnTitles?: string[];
};

type State = {
  widths: number[];
  keyedTransactions: number | null;
  transaction: string | undefined;
  transactionThreshold: number | undefined;
  transactionThresholdMetric: TransactionThresholdMetric | undefined;
};
class Table extends React.Component<Props, State> {
  state: State = {
    widths: [],
    keyedTransactions: null,
    transaction: undefined,
    transactionThreshold: undefined,
    transactionThresholdMetric: undefined,
  };

  componentDidMount() {
    this.fetchKeyTransactionCount();
  }

  async fetchKeyTransactionCount() {
    const {organization} = this.props;
    try {
      const count = await fetchLegacyKeyTransactionsCount(organization.slug);
      this.setState({keyedTransactions: count});
    } catch (error) {
      this.setState({keyedTransactions: null});
    }
  }

  handleCellAction = (column: TableColumn<keyof TableDataRow>, dataRow: TableDataRow) => {
    return (action: Actions, value: React.ReactText) => {
      const {eventView, location, organization, projects} = this.props;

      trackAnalyticsEvent({
        eventKey: 'performance_views.overview.cellaction',
        eventName: 'Performance Views: Cell Action Clicked',
        organization_id: parseInt(organization.id, 10),
        action,
      });

      if (action === Actions.EDIT_THRESHOLD) {
        const project_threshold = dataRow.project_threshold_config;
        const transactionName = dataRow.transaction as string;
        const projectID = getProjectID(dataRow, projects);

        openModal(
          modalProps => (
            <TransactionThresholdModal
              {...modalProps}
              organization={organization}
              transactionName={transactionName}
              eventView={eventView}
              project={projectID}
              transactionThreshold={project_threshold[1]}
              transactionThresholdMetric={project_threshold[0]}
              onApply={(threshold, metric) => {
                if (
                  threshold !== project_threshold[1] ||
                  metric !== project_threshold[0]
                ) {
                  this.setState({
                    transaction: transactionName,
                    transactionThreshold: threshold,
                    transactionThresholdMetric: metric,
                  });
                }
                addSuccessMessage(
                  tct('[transactionName] updated successfully', {
                    transactionName,
                  })
                );
              }}
            />
          ),
          {modalCss, backdrop: 'static'}
        );
        return;
      }

      const searchConditions = tokenizeSearch(eventView.query);

      // remove any event.type queries since it is implied to apply to only transactions
      searchConditions.removeTag('event.type');

      updateQuery(searchConditions, action, column, value);

      ReactRouter.browserHistory.push({
        pathname: location.pathname,
        query: {
          ...location.query,
          cursor: undefined,
          query: searchConditions.formatString(),
        },
      });
    };
  };

  renderBodyCell(
    tableData: TableData | null,
    column: TableColumn<keyof TableDataRow>,
    dataRow: TableDataRow
  ): React.ReactNode {
    const {eventView, organization, projects, location} = this.props;

    if (!tableData || !tableData.meta) {
      return dataRow[column.key];
    }
    const tableMeta = tableData.meta;

    const field = String(column.key);
    const fieldRenderer = getFieldRenderer(field, tableMeta);
    const rendered = fieldRenderer(dataRow, {organization, location});

    const allowActions = [
      Actions.ADD,
      Actions.EXCLUDE,
      Actions.SHOW_GREATER_THAN,
      Actions.SHOW_LESS_THAN,
    ];

    if (organization.features.includes('project-transaction-threshold-override')) {
      allowActions.push(Actions.EDIT_THRESHOLD);
    }

    if (field === 'transaction') {
      const projectID = getProjectID(dataRow, projects);
      const summaryView = eventView.clone();
      if (dataRow['http.method']) {
        summaryView.additionalConditions.setTagValues('http.method', [
          dataRow['http.method'] as string,
        ]);
      }
      summaryView.query = summaryView.getQueryWithAdditionalConditions();
      const target = transactionSummaryRouteWithQuery({
        orgSlug: organization.slug,
        transaction: String(dataRow.transaction) || '',
        query: summaryView.generateQueryStringObject(),
        projectID,
      });

      return (
        <CellAction
          column={column}
          dataRow={dataRow}
          handleCellAction={this.handleCellAction(column, dataRow)}
          allowActions={allowActions}
        >
          <Link to={target} onClick={this.handleSummaryClick}>
            {rendered}
          </Link>
        </CellAction>
      );
    }

    if (field.startsWith('key_transaction')) {
      // don't display per cell actions for key_transaction
      return rendered;
    }

    if (field.startsWith('team_key_transaction')) {
      // don't display per cell actions for team_key_transaction
      return rendered;
    }

    const fieldName = getAggregateAlias(field);
    const value = dataRow[fieldName];
    if (tableMeta[fieldName] === 'integer' && defined(value) && value > 999) {
      return (
        <Tooltip
          title={value.toLocaleString()}
          containerDisplayMode="block"
          position="right"
        >
          <CellAction
            column={column}
            dataRow={dataRow}
            handleCellAction={this.handleCellAction(column, dataRow)}
            allowActions={allowActions}
          >
            {rendered}
          </CellAction>
        </Tooltip>
      );
    }

    return (
      <CellAction
        column={column}
        dataRow={dataRow}
        handleCellAction={this.handleCellAction(column, dataRow)}
        allowActions={allowActions}
      >
        {rendered}
      </CellAction>
    );
  }

  renderBodyCellWithData = (tableData: TableData | null) => {
    return (
      column: TableColumn<keyof TableDataRow>,
      dataRow: TableDataRow
    ): React.ReactNode => this.renderBodyCell(tableData, column, dataRow);
  };

  onSortClick(currentSortKind?: string, currentSortField?: string) {
    const {organization} = this.props;
    trackAnalyticsEvent({
      eventKey: 'performance_views.landingv2.transactions.sort',
      eventName: 'Performance Views: Landing Transactions Sorted',
      organization_id: parseInt(organization.id, 10),
      field: currentSortField,
      direction: currentSortKind,
    });
  }

  renderHeadCell(
    tableMeta: TableData['meta'],
    column: TableColumn<keyof TableDataRow>,
    title: React.ReactNode
  ): React.ReactNode {
    const {eventView, location, organization} = this.props;

    const align = fieldAlignment(column.name, column.type, tableMeta);
    const field = {field: column.name, width: column.width};

    function generateSortLink(): LocationDescriptorObject | undefined {
      if (!tableMeta) {
        return undefined;
      }

      const nextEventView = eventView.sortOnField(field, tableMeta);
      const queryStringObject = nextEventView.generateQueryStringObject();

      return {
        ...location,
        query: {...location.query, sort: queryStringObject.sort},
      };
    }
    const currentSort = eventView.sortForField(field, tableMeta);
    const canSort = isFieldSortable(field, tableMeta);

    const currentSortKind = currentSort ? currentSort.kind : undefined;
    const currentSortField = currentSort ? currentSort.field : undefined;

    const sortLink = (
      <SortLink
        align={align}
        title={title || field.field}
        direction={currentSortKind}
        canSort={canSort}
        generateSortLink={generateSortLink}
        onClick={() => this.onSortClick(currentSortKind, currentSortField)}
      />
    );
    if (field.field.startsWith('user_misery')) {
      return (
        <GuideAnchor
          target="project_transaction_threshold"
          position="top"
          disabled={!organization.features.includes('project-transaction-threshold')}
        >
          {sortLink}
        </GuideAnchor>
      );
    }
    return sortLink;
  }

  renderHeadCellWithMeta = (tableMeta: TableData['meta']) => {
    const columnTitles = this.props.columnTitles ?? COLUMN_TITLES;
    return (column: TableColumn<keyof TableDataRow>, index: number): React.ReactNode =>
      this.renderHeadCell(tableMeta, column, columnTitles[index]);
  };

  renderPrependCellWithData = (tableData: TableData | null) => {
    const {eventView} = this.props;
    const {keyedTransactions} = this.state;

    const keyTransactionColumn = eventView
      .getColumns()
      .find((col: TableColumn<React.ReactText>) => col.name === 'key_transaction');
    const teamKeyTransactionColumn = eventView
      .getColumns()
      .find((col: TableColumn<React.ReactText>) => col.name === 'team_key_transaction');
    return (isHeader: boolean, dataRow?: any) => {
      if (keyTransactionColumn) {
        if (isHeader) {
          const star = (
            <IconStar
              key="keyTransaction"
              color="yellow300"
              isSolid
              data-test-id="key-transaction-header"
            />
          );
          return [this.renderHeadCell(tableData?.meta, keyTransactionColumn, star)];
        } else {
          return [this.renderBodyCell(tableData, keyTransactionColumn, dataRow)];
        }
      } else if (teamKeyTransactionColumn) {
        if (isHeader) {
          const star = (
            <GuideAnchor
              target="team_key_transaction_header"
              position="top"
              disabled={keyedTransactions === null} // wait for the legacy counts to load
            >
              <GuideAnchor
                target="team_key_transaction_existing"
                position="top"
                disabled={!keyedTransactions}
              >
                <IconStar
                  key="keyTransaction"
                  color="yellow300"
                  isSolid
                  data-test-id="team-key-transaction-header"
                />
              </GuideAnchor>
            </GuideAnchor>
          );
          return [this.renderHeadCell(tableData?.meta, teamKeyTransactionColumn, star)];
        } else {
          return [this.renderBodyCell(tableData, teamKeyTransactionColumn, dataRow)];
        }
      }
      return [];
    };
  };

  handleSummaryClick = () => {
    const {organization} = this.props;
    trackAnalyticsEvent({
      eventKey: 'performance_views.overview.navigate.summary',
      eventName: 'Performance Views: Overview view summary',
      organization_id: parseInt(organization.id, 10),
    });
  };

  handleResizeColumn = (columnIndex: number, nextColumn: GridColumn) => {
    const widths: number[] = [...this.state.widths];
    widths[columnIndex] = nextColumn.width
      ? Number(nextColumn.width)
      : COL_WIDTH_UNDEFINED;
    this.setState({widths});
  };

  getSortedEventView() {
    const {eventView} = this.props;

    return eventView.withSorts([
      {
        field: 'team_key_transaction',
        kind: 'desc',
      },
      ...eventView.sorts,
    ]);
  }

  render() {
    const {eventView, organization, location, setError} = this.props;

    const {widths, transaction, transactionThreshold, transactionThresholdMetric} =
      this.state;
    const columnOrder = eventView
      .getColumns()
      // remove key_transactions from the column order as we'll be rendering it
      // via a prepended column
      .filter(
        (col: TableColumn<React.ReactText>) =>
          col.name !== 'key_transaction' &&
          col.name !== 'team_key_transaction' &&
          !col.name.startsWith('count_miserable') &&
          col.name !== 'project_threshold_config'
      )
      .map((col: TableColumn<React.ReactText>, i: number) => {
        if (typeof widths[i] === 'number') {
          return {...col, width: widths[i]};
        }
        return col;
      });

    const sortedEventView = this.getSortedEventView();
    const columnSortBy = sortedEventView.getSorts();

    const prependColumnWidths = ['max-content'];

    return (
      <div>
        <DiscoverQuery
          eventView={sortedEventView}
          orgSlug={organization.slug}
          location={location}
          setError={setError}
          referrer="api.performance.landing-table"
          transactionName={transaction}
          transactionThreshold={transactionThreshold}
          transactionThresholdMetric={transactionThresholdMetric}
        >
          {({pageLinks, isLoading, tableData}) => (
            <React.Fragment>
              <GridEditable
                isLoading={isLoading}
                data={tableData ? tableData.data : []}
                columnOrder={columnOrder}
                columnSortBy={columnSortBy}
                grid={{
                  onResizeColumn: this.handleResizeColumn,
                  renderHeadCell: this.renderHeadCellWithMeta(tableData?.meta) as any,
                  renderBodyCell: this.renderBodyCellWithData(tableData) as any,
                  renderPrependColumns: this.renderPrependCellWithData(tableData) as any,
                  prependColumnWidths,
                }}
                location={location}
              />
              <Pagination pageLinks={pageLinks} />
            </React.Fragment>
          )}
        </DiscoverQuery>
      </div>
    );
  }
}

export default Table;