import {type Theme, useTheme} from '@emotion/react';
import styled from '@emotion/styled';

import {LinkButton} from 'sentry/components/button';
import ProjectBadge from 'sentry/components/idBadge/projectBadge';
import Link from 'sentry/components/links/link';
import LoadingIndicator from 'sentry/components/loadingIndicator';
import {ROW_HEIGHT, ROW_PADDING} from 'sentry/components/performance/waterfall/constants';
import {RowRectangle} from 'sentry/components/performance/waterfall/rowBar';
import {pickBarColor} from 'sentry/components/performance/waterfall/utils';
import PerformanceDuration from 'sentry/components/performanceDuration';
import {Tooltip} from 'sentry/components/tooltip';
import {IconIssues} from 'sentry/icons';
import {t} from 'sentry/locale';
import {space} from 'sentry/styles/space';
import type {DateString} from 'sentry/types/core';
import {generateLinkToEventInTraceView} from 'sentry/utils/discover/urls';
import {getShortEventId} from 'sentry/utils/events';
import Projects from 'sentry/utils/projects';
import {useLocation} from 'sentry/utils/useLocation';
import useOrganization from 'sentry/utils/useOrganization';
import usePageFilters from 'sentry/utils/usePageFilters';
import useProjects from 'sentry/utils/useProjects';
import {normalizeUrl} from 'sentry/utils/withDomainRequired';
import {getTraceDetailsUrl} from 'sentry/views/performance/traceDetails/utils';
import {transactionSummaryRouteWithQuery} from 'sentry/views/performance/transactionSummary/utils';

import type {TraceResult} from './content';
import type {Field} from './data';

interface ProjectRendererProps {
  projectSlug: string;
  hideName?: boolean;
}

export function ProjectRenderer({projectSlug, hideName}: ProjectRendererProps) {
  const organization = useOrganization();

  return (
    <Projects orgId={organization.slug} slugs={[projectSlug]}>
      {({projects}) => {
        const project = projects.find(p => p.slug === projectSlug);
        return (
          <ProjectBadge
            hideName={hideName}
            project={project ? project : {slug: projectSlug}}
            avatarSize={16}
          />
        );
      }}
    </Projects>
  );
}

export const TraceBreakdownContainer = styled('div')`
  position: relative;
  display: flex;
  min-width: 150px;
  height: ${ROW_HEIGHT - 2 * ROW_PADDING}px;
  background-color: ${p => p.theme.gray100};
`;

const RectangleTraceBreakdown = styled(RowRectangle)<{
  sliceColor: string;
  sliceName: string | null;
}>`
  background-color: ${p => p.sliceColor};
  position: relative;
  width: 100%;
  ${p => `
    opacity: var(--highlightedSlice-${p.sliceName ?? ''}-opacity, var(--defaultSlice-opacity, 1.0));
  `}
  ${p => `
    transform: var(--highlightedSlice-${p.sliceName ?? ''}-transform, var(--defaultSlice-transform, 1.0));
  `}
  transition: opacity,transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
`;

export function TraceBreakdownRenderer({
  trace,
  setHighlightedSliceName,
}: {
  setHighlightedSliceName: (sliceName: string) => void;

  trace: TraceResult<Field>;
}) {
  const theme = useTheme();

  return (
    <TraceBreakdownContainer data-test-id="relative-ops-breakdown">
      {trace.breakdowns.map(breakdown => {
        return (
          <SpanBreakdownSliceRenderer
            key={breakdown.start + (breakdown.project ?? t('missing instrumentation'))}
            sliceName={breakdown.project}
            sliceStart={breakdown.start}
            sliceEnd={breakdown.end}
            trace={trace}
            theme={theme}
            onMouseEnter={() =>
              breakdown.project ? setHighlightedSliceName(breakdown.project) : null
            }
          />
        );
      })}
    </TraceBreakdownContainer>
  );
}

const BREAKDOWN_BAR_SIZE = 150;
const BREAKDOWN_QUANTIZE_STEP = 3;
export function SpanBreakdownSliceRenderer({
  trace,
  theme,
  sliceName,
  sliceStart,
  sliceEnd,
  onMouseEnter,
}: {
  onMouseEnter: () => void;
  sliceEnd: number;
  sliceName: string | null;
  sliceStart: number;
  theme: Theme;
  trace: TraceResult<Field>;
}) {
  const traceDuration = trace.end - trace.start;

  const sliceDuration = sliceEnd - sliceStart;

  if (sliceDuration <= 0) {
    return null;
  }
  const sliceColor = sliceName ? pickBarColor(sliceName) : theme.gray100;
  const sliceWidth =
    BREAKDOWN_QUANTIZE_STEP *
    Math.ceil(
      (BREAKDOWN_BAR_SIZE / BREAKDOWN_QUANTIZE_STEP) * (sliceDuration / traceDuration)
    );
  const relativeSliceStart = sliceStart - trace.start;
  const sliceOffset =
    BREAKDOWN_QUANTIZE_STEP *
    Math.floor(
      ((BREAKDOWN_BAR_SIZE / BREAKDOWN_QUANTIZE_STEP) * relativeSliceStart) /
        traceDuration
    ); // 150px wide breakdown.
  return (
    <BreakdownSlice
      sliceName={sliceName}
      sliceOffset={sliceOffset}
      sliceWidth={sliceWidth}
      onMouseEnter={onMouseEnter}
    >
      <Tooltip
        title={
          <div>
            <FlexContainer>
              {sliceName ? <ProjectRenderer projectSlug={sliceName} hideName /> : null}
              <div>{sliceName}</div>
            </FlexContainer>
            <div>
              <PerformanceDuration milliseconds={sliceDuration} abbreviation />
            </div>
          </div>
        }
        containerDisplayMode="block"
      >
        <RectangleTraceBreakdown sliceColor={sliceColor} sliceName={sliceName} />
      </Tooltip>
    </BreakdownSlice>
  );
}

const FlexContainer = styled('div')`
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: ${space(0.5)};
  padding-bottom: ${space(0.5)};
`;

const BreakdownSlice = styled('div')<{
  sliceName: string | null;
  sliceOffset: number;
  sliceWidth: number;
}>`
  position: absolute;
  width: max(3px, ${p => p.sliceWidth}px);
  left: ${p => p.sliceOffset}px;
  ${p => (p.sliceName ? null : 'z-index: -1;')}
`;

interface SpanIdRendererProps {
  projectSlug: string;
  spanId: string;
  timestamp: string;
  traceId: string;
  transactionId: string;
}

export function SpanIdRenderer({
  projectSlug,
  spanId,
  timestamp,
  traceId,
  transactionId,
}: SpanIdRendererProps) {
  const location = useLocation();
  const organization = useOrganization();

  const target = generateLinkToEventInTraceView({
    projectSlug,
    traceSlug: traceId,
    timestamp,
    eventId: transactionId,
    organization,
    location,
    spanId,
  });

  return <Link to={target}>{getShortEventId(spanId)}</Link>;
}

interface TraceIdRendererProps {
  traceId: string;
  timestamp?: DateString;
  transactionId?: string;
}

export function TraceIdRenderer({
  traceId,
  timestamp,
  transactionId,
}: TraceIdRendererProps) {
  const organization = useOrganization();
  const {selection} = usePageFilters();
  const stringOrNumberTimestamp =
    timestamp instanceof Date ? timestamp.toISOString() : timestamp ?? '';

  const target = getTraceDetailsUrl(
    organization,
    traceId,
    {
      start: selection.datetime.start,
      end: selection.datetime.end,
      statsPeriod: selection.datetime.period,
    },
    stringOrNumberTimestamp,
    transactionId
  );

  return <Link to={target}>{getShortEventId(traceId)}</Link>;
}

interface TransactionRendererProps {
  projectSlug: string;
  transaction: string;
}

export function TransactionRenderer({
  projectSlug,
  transaction,
}: TransactionRendererProps) {
  const location = useLocation();
  const organization = useOrganization();
  const {projects} = useProjects({slugs: [projectSlug]});

  const target = transactionSummaryRouteWithQuery({
    orgSlug: organization.slug,
    transaction,
    query: {
      ...location.query,
      query: undefined,
    },
    projectID: String(projects[0]?.id ?? ''),
  });

  return <Link to={target}>{transaction}</Link>;
}

export function TraceIssuesRenderer({trace}: {trace: TraceResult<Field>}) {
  const organization = useOrganization();

  const issueCount = trace.numErrors + trace.numOccurrences;

  return (
    <LinkButton
      to={normalizeUrl({
        pathname: `/organizations/${organization.slug}/issues`,
        query: {
          query: `is:unresolved trace:"${trace.trace}"`,
        },
      })}
      size="xs"
      icon={<IconIssues size="xs" />}
      style={{minHeight: '20px', height: '20px'}}
    >
      {issueCount !== undefined ? (
        issueCount
      ) : (
        <LoadingIndicator
          size={12}
          mini
          style={{height: '12px', width: '12px', margin: 0, marginRight: 0}}
        />
      )}
      {issueCount === 100 && '+'}
    </LinkButton>
  );
}