import {Component, Fragment} from 'react';
import {RouteComponentProps} from 'react-router';
import styled from '@emotion/styled';
import {LocationDescriptorObject} from 'history';
import omit from 'lodash/omit';
import pick from 'lodash/pick';
import moment from 'moment';

import {DateTimeObject} from 'sentry/components/charts/utils';
import CompactSelect from 'sentry/components/compactSelect';
import ErrorBoundary from 'sentry/components/errorBoundary';
import HookOrDefault from 'sentry/components/hookOrDefault';
import * as Layout from 'sentry/components/layouts/thirds';
import {normalizeDateTimeParams} from 'sentry/components/organizations/pageFilters/parse';
import {ChangeData} from 'sentry/components/organizations/timeRangeSelector';
import PageHeading from 'sentry/components/pageHeading';
import PageTimeRangeSelector from 'sentry/components/pageTimeRangeSelector';
import SentryDocumentTitle from 'sentry/components/sentryDocumentTitle';
import {
  DATA_CATEGORY_NAMES,
  DEFAULT_RELATIVE_PERIODS,
  DEFAULT_STATS_PERIOD,
} from 'sentry/constants';
import {t} from 'sentry/locale';
import {PageHeader} from 'sentry/styles/organization';
import space from 'sentry/styles/space';
import {DataCategory, DateString, Organization, Project} from 'sentry/types';
import withOrganization from 'sentry/utils/withOrganization';
import HeaderTabs from 'sentry/views/organizationStats/header';

import {CHART_OPTIONS_DATACATEGORY, ChartDataTransform} from './usageChart';
import UsageStatsOrg from './usageStatsOrg';
import UsageStatsProjects from './usageStatsProjects';

const HookHeader = HookOrDefault({hookName: 'component:org-stats-banner'});

export const PAGE_QUERY_PARAMS = [
  'pageStatsPeriod',
  'pageStart',
  'pageEnd',
  'pageUtc',
  'dataCategory',
  'transform',
  'sort',
  'query',
  'cursor',
];

type Props = {
  organization: Organization;
} & RouteComponentProps<{orgId: string}, {}>;

export class OrganizationStats extends Component<Props> {
  get dataCategory(): DataCategory {
    const dataCategory = this.props.location?.query?.dataCategory;

    switch (dataCategory) {
      case DataCategory.ERRORS:
      case DataCategory.TRANSACTIONS:
      case DataCategory.ATTACHMENTS:
      case DataCategory.PROFILES:
        return dataCategory as DataCategory;
      default:
        return DataCategory.ERRORS;
    }
  }

  get dataCategoryName(): string {
    const dataCategory = this.dataCategory;
    return DATA_CATEGORY_NAMES[dataCategory] ?? t('Unknown Data Category');
  }

  get dataDatetime(): DateTimeObject {
    const query = this.props.location?.query ?? {};

    const {
      start,
      end,
      statsPeriod,
      utc: utcString,
    } = normalizeDateTimeParams(query, {
      allowEmptyPeriod: true,
      allowAbsoluteDatetime: true,
      allowAbsolutePageDatetime: true,
    });

    if (!statsPeriod && !start && !end) {
      return {period: DEFAULT_STATS_PERIOD};
    }

    // Following getParams, statsPeriod will take priority over start/end
    if (statsPeriod) {
      return {period: statsPeriod};
    }

    const utc = utcString === 'true';
    if (start && end) {
      return utc
        ? {
            start: moment.utc(start).format(),
            end: moment.utc(end).format(),
            utc,
          }
        : {
            start: moment(start).utc().format(),
            end: moment(end).utc().format(),
            utc,
          };
    }

    return {period: DEFAULT_STATS_PERIOD};
  }

  // Validation and type-casting should be handled by chart
  get chartTransform(): string | undefined {
    return this.props.location?.query?.transform;
  }

  // Validation and type-casting should be handled by table
  get tableSort(): string | undefined {
    return this.props.location?.query?.sort;
  }

  get tableQuery(): string | undefined {
    return this.props.location?.query?.query;
  }

  get tableCursor(): string | undefined {
    return this.props.location?.query?.cursor;
  }

  getNextLocations = (project: Project): Record<string, LocationDescriptorObject> => {
    const {location, organization} = this.props;
    const nextLocation: LocationDescriptorObject = {
      ...location,
      query: {
        ...location.query,
        project: project.id,
      },
    };

    // Do not leak out page-specific keys
    nextLocation.query = omit(nextLocation.query, PAGE_QUERY_PARAMS);

    return {
      performance: {
        ...nextLocation,
        pathname: `/organizations/${organization.slug}/performance/`,
      },
      projectDetail: {
        ...nextLocation,
        pathname: `/organizations/${organization.slug}/projects/${project.slug}/`,
      },
      issueList: {
        ...nextLocation,
        pathname: `/organizations/${organization.slug}/issues/`,
      },
      settings: {
        pathname: `/settings/${organization.slug}/projects/${project.slug}/`,
      },
    };
  };

  handleUpdateDatetime = (datetime: ChangeData): LocationDescriptorObject => {
    const {start, end, relative, utc} = datetime;

    if (start && end) {
      const parser = utc ? moment.utc : moment;

      return this.setStateOnUrl({
        pageStatsPeriod: undefined,
        pageStart: parser(start).format(),
        pageEnd: parser(end).format(),
        pageUtc: utc ?? undefined,
      });
    }

    return this.setStateOnUrl({
      pageStatsPeriod: relative || undefined,
      pageStart: undefined,
      pageEnd: undefined,
      pageUtc: undefined,
    });
  };

  /**
   * TODO: Enable user to set dateStart/dateEnd
   *
   * See PAGE_QUERY_PARAMS for list of accepted keys on nextState
   */
  setStateOnUrl = (
    nextState: {
      cursor?: string;
      dataCategory?: DataCategory;
      pageEnd?: DateString;
      pageStart?: DateString;
      pageStatsPeriod?: string | null;
      pageUtc?: boolean | null;
      query?: string;
      sort?: string;
      transform?: ChartDataTransform;
    },
    options: {
      willUpdateRouter?: boolean;
    } = {
      willUpdateRouter: true,
    }
  ): LocationDescriptorObject => {
    const {location, router} = this.props;
    const nextQueryParams = pick(nextState, PAGE_QUERY_PARAMS);

    const nextLocation = {
      ...location,
      query: {
        ...location?.query,
        ...nextQueryParams,
      },
    };

    if (options.willUpdateRouter) {
      router.push(nextLocation);
    }

    return nextLocation;
  };

  renderPageControl = () => {
    const {organization} = this.props;

    const {start, end, period, utc} = this.dataDatetime;

    return (
      <Fragment>
        <DropdownDataCategory
          triggerProps={{prefix: t('Category')}}
          value={this.dataCategory}
          options={CHART_OPTIONS_DATACATEGORY}
          onChange={opt => this.setStateOnUrl({dataCategory: opt.value as DataCategory})}
        />

        <StyledPageTimeRangeSelector
          organization={organization}
          relative={period ?? ''}
          start={start ?? null}
          end={end ?? null}
          utc={utc ?? null}
          onUpdate={this.handleUpdateDatetime}
          relativeOptions={omit(DEFAULT_RELATIVE_PERIODS, ['1h'])}
        />
      </Fragment>
    );
  };

  render() {
    const {organization} = this.props;
    const hasTeamInsights = organization.features.includes('team-insights');

    return (
      <SentryDocumentTitle title="Usage Stats">
        <Fragment>
          {hasTeamInsights && (
            <HeaderTabs organization={organization} activeTab="stats" />
          )}
          <Body>
            <Layout.Main fullWidth>
              {!hasTeamInsights && (
                <Fragment>
                  <PageHeader>
                    <PageHeading>{t('Organization Usage Stats')}</PageHeading>
                  </PageHeader>
                  <p>
                    {t(
                      'We collect usage metrics on three categories: errors, transactions, and attachments. The charts below reflect data that Sentry has received across your entire organization. You can also find them broken down by project in the table.'
                    )}
                  </p>
                </Fragment>
              )}
              <HookHeader organization={organization} />

              <PageGrid>
                {this.renderPageControl()}

                <ErrorBoundary mini>
                  <UsageStatsOrg
                    organization={organization}
                    dataCategory={this.dataCategory}
                    dataCategoryName={this.dataCategoryName}
                    dataDatetime={this.dataDatetime}
                    chartTransform={this.chartTransform}
                    handleChangeState={this.setStateOnUrl}
                  />
                </ErrorBoundary>
              </PageGrid>

              <ErrorBoundary mini>
                <UsageStatsProjects
                  organization={organization}
                  dataCategory={this.dataCategory}
                  dataCategoryName={this.dataCategoryName}
                  dataDatetime={this.dataDatetime}
                  tableSort={this.tableSort}
                  tableQuery={this.tableQuery}
                  tableCursor={this.tableCursor}
                  handleChangeState={this.setStateOnUrl}
                  getNextLocations={this.getNextLocations}
                />
              </ErrorBoundary>
            </Layout.Main>
          </Body>
        </Fragment>
      </SentryDocumentTitle>
    );
  }
}

export default withOrganization(OrganizationStats);

const PageGrid = styled('div')`
  display: grid;
  grid-template-columns: 1fr;
  gap: ${space(2)};

  @media (min-width: ${p => p.theme.breakpoints.small}) {
    grid-template-columns: repeat(2, 1fr);
  }
  @media (min-width: ${p => p.theme.breakpoints.large}) {
    grid-template-columns: repeat(4, 1fr);
  }
`;

const DropdownDataCategory = styled(CompactSelect)`
  grid-column: auto / span 1;

  button[aria-haspopup='listbox'] {
    width: 100%;
    height: 100%;
  }

  @media (min-width: ${p => p.theme.breakpoints.small}) {
    grid-column: auto / span 2;
  }
  @media (min-width: ${p => p.theme.breakpoints.large}) {
    grid-column: auto / span 1;
  }
`;

const StyledPageTimeRangeSelector = styled(PageTimeRangeSelector)`
  grid-column: auto / span 1;

  @media (min-width: ${p => p.theme.breakpoints.small}) {
    grid-column: auto / span 2;
  }
  @media (min-width: ${p => p.theme.breakpoints.large}) {
    grid-column: auto / span 3;
  }
`;

const Body = styled(Layout.Body)`
  @media (min-width: ${p => p.theme.breakpoints.medium}) {
    display: block;
  }
`;