import {Component, Fragment} from 'react';
import {browserHistory} from 'react-router';
import styled from '@emotion/styled';
import {Location, LocationDescriptorObject} from 'history';

import GridEditable, {
  COL_WIDTH_UNDEFINED,
  GridColumn,
} from 'sentry/components/gridEditable';
import SortLink from 'sentry/components/gridEditable/sortLink';
import Link from 'sentry/components/links/link';
import Pagination from 'sentry/components/pagination';
import QuestionTooltip from 'sentry/components/questionTooltip';
import Tooltip from 'sentry/components/tooltip';
import {t, tct} from 'sentry/locale';
import {Organization, Project} from 'sentry/types';
import {defined} from 'sentry/utils';
import {trackAnalyticsEvent} from 'sentry/utils/analytics';
import DiscoverQuery, {
  TableData,
  TableDataRow,
} from 'sentry/utils/discover/discoverQuery';
import EventView, {EventData, isFieldSortable} from 'sentry/utils/discover/eventView';
import {getFieldRenderer} from 'sentry/utils/discover/fieldRenderers';
import {
  fieldAlignment,
  getAggregateAlias,
  isSpanOperationBreakdownField,
  SPAN_OP_RELATIVE_BREAKDOWN_FIELD,
} from 'sentry/utils/discover/fields';
import parseLinkHeader from 'sentry/utils/parseLinkHeader';
import CellAction, {Actions, updateQuery} from 'sentry/views/eventsV2/table/cellAction';
import {TableColumn} from 'sentry/views/eventsV2/table/types';

import {COLUMN_TITLES} from '../../data';
import {
  generateTraceLink,
  generateTransactionLink,
  normalizeSearchConditions,
} from '../utils';

import OperationSort, {TitleProps} from './operationSort';

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;
}

class OperationTitle extends Component<TitleProps> {
  render() {
    const {onClick} = this.props;
    return (
      <div onClick={onClick}>
        <span>{t('operation duration')}</span>
        <StyledIconQuestion
          size="xs"
          position="top"
          title={t(
            `Span durations are summed over the course of an entire transaction. Any overlapping spans are only counted once.`
          )}
        />
      </div>
    );
  }
}

type Props = {
  eventView: EventView;
  location: Location;
  organization: Organization;
  setError: (msg: string | undefined) => void;
  totalEventCount: string;
  transactionName: string;
  columnTitles?: string[];
};

type State = {
  widths: number[];
};

class EventsTable extends Component<Props, State> {
  state: State = {
    widths: [],
  };

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

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

      const searchConditions = normalizeSearchConditions(eventView.query);

      updateQuery(searchConditions, action, column, value);

      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, location, transactionName} = 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, eventView});

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

    if (field === 'id' || field === 'trace') {
      const generateLink = field === 'id' ? generateTransactionLink : generateTraceLink;
      const target = generateLink(transactionName)(organization, dataRow, location.query);

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

    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)}
            allowActions={allowActions}
          >
            {rendered}
          </CellAction>
        </Tooltip>
      );
    }

    return (
      <CellAction
        column={column}
        dataRow={dataRow}
        handleCellAction={this.handleCellAction(column)}
        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.transactionEvents.sort',
      eventName: 'Performance Views: Transaction Events Tab 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} = 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);
    // Event id and Trace id are technically sortable but we don't want to sort them here since sorting by a uuid value doesn't make sense
    const canSort =
      field.field !== 'id' &&
      field.field !== 'trace' &&
      field.field !== SPAN_OP_RELATIVE_BREAKDOWN_FIELD &&
      isFieldSortable(field, tableMeta);

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

    if (field.field === SPAN_OP_RELATIVE_BREAKDOWN_FIELD) {
      title = (
        <OperationSort
          title={OperationTitle}
          eventView={eventView}
          tableMeta={tableMeta}
          location={location}
        />
      );
    }

    const sortLink = (
      <SortLink
        align={align}
        title={title || field.field}
        direction={currentSortKind}
        canSort={canSort}
        generateSortLink={generateSortLink}
        onClick={() => this.onSortClick(currentSortKind, currentSortField)}
      />
    );
    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]);
  };

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

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

    const totalTransactionsView = eventView.clone();
    totalTransactionsView.sorts = [];
    totalTransactionsView.fields = [{field: 'count()', width: -1}];

    const {widths} = this.state;
    const containsSpanOpsBreakdown = eventView
      .getColumns()
      .find(
        (col: TableColumn<React.ReactText>) =>
          col.name === SPAN_OP_RELATIVE_BREAKDOWN_FIELD
      );
    const columnOrder = eventView
      .getColumns()
      .filter(
        (col: TableColumn<React.ReactText>) =>
          !containsSpanOpsBreakdown || !isSpanOperationBreakdownField(col.name)
      )
      .map((col: TableColumn<React.ReactText>, i: number) => {
        if (typeof widths[i] === 'number') {
          return {...col, width: widths[i]};
        }
        return col;
      });
    return (
      <div>
        <DiscoverQuery
          eventView={eventView}
          orgSlug={organization.slug}
          location={location}
          setError={error => setError(error?.message)}
          referrer="api.performance.transaction-events"
          useEvents
        >
          {({pageLinks, isLoading, tableData}) => {
            const parsedPageLinks = parseLinkHeader(pageLinks);
            let currentEvent = parsedPageLinks?.next?.cursor.split(':')[1] ?? 0;
            if (!parsedPageLinks?.next?.results) {
              currentEvent = totalEventCount;
            }
            const paginationCaption =
              totalEventCount && currentEvent
                ? tct('Showing [currentEvent] of [totalEventCount] events', {
                    currentEvent,
                    totalEventCount,
                  })
                : undefined;

            return (
              <Fragment>
                <GridEditable
                  isLoading={isLoading}
                  data={tableData?.data ?? []}
                  columnOrder={columnOrder}
                  columnSortBy={eventView.getSorts()}
                  grid={{
                    onResizeColumn: this.handleResizeColumn,
                    renderHeadCell: this.renderHeadCellWithMeta(tableData?.meta) as any,
                    renderBodyCell: this.renderBodyCellWithData(tableData) as any,
                  }}
                  location={location}
                />
                <Pagination
                  disabled={isLoading}
                  caption={paginationCaption}
                  pageLinks={pageLinks}
                />
              </Fragment>
            );
          }}
        </DiscoverQuery>
      </div>
    );
  }
}

const StyledIconQuestion = styled(QuestionTooltip)`
  position: relative;
  top: 1px;
  left: 4px;
`;

export default EventsTable;