import { Spinner } from "~/components/ui/spinner";import type {  PullRequestActor,  PullRequestCheck,  PullRequestCheckStatus,  PullRequestChecksState,  PullRequestMergeability,  PullRequestState,} from "@t3tools/contracts";import {  CircleCheckIcon,  CircleDashedIcon,  CircleDotIcon,  CircleXIcon,  GitMergeIcon,  GitPullRequestClosedIcon,  GitPullRequestDraftIcon,  GitPullRequestIcon,  TriangleAlertIcon,  UserCheckIcon,} from "lucide-react";import { Children, isValidElement, type ReactNode } from "react"; import { cn } from "~/lib/utils"; import { Badge } from "../ui/badge";import { Tooltip, TooltipPopup, TooltipTrigger } from "../ui/tooltip";import type { PullRequestReviewOutcome } from "./pullRequestDetail.logic"; interface StatePresentation {  readonly label: string;  readonly toneClassName: string;  readonly Icon: typeof GitPullRequestIcon;} export function PullRequestApprovalGlyph() {  return (    <Tooltip>      <TooltipTrigger render={<span className="inline-flex shrink-0" />}>        <UserCheckIcon          aria-hidden          className={cn("size-3.5", CHECK_STATUS_PRESENTATION.success.toneClassName)}        />        <span className="sr-only">Approved</span>      </TooltipTrigger>      <TooltipPopup>Approved</TooltipPopup>    </Tooltip>  );} /** * How a pull request's state reads on this page. Open, closed, merged, and draft use the same * ink as the thread badge in `ThreadStatusIndicators`, so one pull request cannot look like two * different things in two places. * * Draft outranks conflicts: a draft is not heading for a merge yet, so conflicts only surface * once it is real work. */export function resolvePullRequestState(input: {  readonly state: PullRequestState;  readonly isDraft: boolean;  readonly mergeability?: PullRequestMergeability;  readonly baseBranch?: string;}): StatePresentation {  if (input.state === "merged") {    return {      label: "Merged",      toneClassName: "text-violet-600 dark:text-violet-300/90",      Icon: GitMergeIcon,    };  }  if (input.state === "closed") {    return {      label: "Closed",      toneClassName: "text-red-600 dark:text-red-300/90",      Icon: GitPullRequestClosedIcon,    };  }  if (input.isDraft) {    return {      label: "Draft",      toneClassName: "text-zinc-500 dark:text-zinc-400/80",      Icon: GitPullRequestDraftIcon,    };  }  if (input.mergeability === "conflicting") {    return {      // "Has conflicts" leaves out the one thing a reader wants when the warning triangle catches      // their eye, so name the branch it collides with wherever the caller knows it.      label: input.baseBranch ? `Conflicts with ${input.baseBranch}` : "Has conflicts",      toneClassName: "text-destructive",      Icon: TriangleAlertIcon,    };  }  return {    label: "Open",    toneClassName: "text-emerald-600 dark:text-emerald-300/90",    Icon: GitPullRequestIcon,  };} export function PullRequestStateGlyph({  state,  isDraft,  mergeability,  baseBranch,  className,}: {  state: PullRequestState;  isDraft: boolean;  mergeability?: PullRequestMergeability;  baseBranch?: string;  className?: string;}) {  const presentation = resolvePullRequestState({    state,    isDraft,    ...(mergeability ? { mergeability } : {}),    ...(baseBranch ? { baseBranch } : {}),  });  return (    <Tooltip>      {/* The list row is itself a button, so the trigger stays a span: an interactive one would          nest a control inside that button and steal the row's click target. */}      <TooltipTrigger render={<span className="inline-flex shrink-0" />}>        <presentation.Icon          role="img"          aria-label={presentation.label}          className={cn("size-4 shrink-0", presentation.toneClassName, className)}        />      </TooltipTrigger>      <TooltipPopup>{presentation.label}</TooltipPopup>    </Tooltip>  );} const CHECK_STATUS_PRESENTATION = {  pending: { label: "Running", Icon: Spinner, toneClassName: "text-amber-500" },  "action-required": {    label: "Awaiting action",    Icon: CircleDotIcon,    toneClassName: "text-amber-600 dark:text-amber-400/90",  },  success: {    label: "Passed",    Icon: CircleCheckIcon,    toneClassName: "text-emerald-600 dark:text-emerald-300/90",  },  failure: { label: "Failed", Icon: CircleXIcon, toneClassName: "text-destructive" },  cancelled: { label: "Cancelled", Icon: CircleXIcon, toneClassName: "text-destructive" },  skipped: { label: "Skipped", Icon: CircleDashedIcon, toneClassName: "text-muted-foreground/70" },  neutral: { label: "Neutral", Icon: CircleDashedIcon, toneClassName: "text-muted-foreground/70" },} as const satisfies Record<  PullRequestCheckStatus,  { label: string; Icon: typeof CircleCheckIcon | typeof Spinner; toneClassName: string }>; function isWorkflowApprovalCheck(check: Pick<PullRequestCheck, "status" | "url">): boolean {  return (    check.status === "action-required" &&    check.url !== null &&    /\/actions\/runs\/\d+(?:\/|$)/u.test(check.url)  );} export function pullRequestCheckStatusLabel(  check: Pick<PullRequestCheck, "status" | "url">,): string {  return isWorkflowApprovalCheck(check)    ? "Awaiting approval"    : CHECK_STATUS_PRESENTATION[check.status].label;} export function PullRequestCheckStatusIcon({ status }: { status: PullRequestCheckStatus }) {  const presentation = CHECK_STATUS_PRESENTATION[status];  return (    <presentation.Icon      aria-hidden      className={cn("size-3.5 shrink-0", presentation.toneClassName)}    />  );} /** * The rollup a listing row carries, which is one word rather than the checks behind it. The * headline is GitHub's own wording, so a reader who knows that page reads this one the same way. */const CHECKS_STATE_PRESENTATION = {  passing: {    label: "All checks have passed",    Icon: CircleCheckIcon,    toneClassName: CHECK_STATUS_PRESENTATION.success.toneClassName,  },  failing: {    label: "Some checks were not successful",    Icon: CircleXIcon,    toneClassName: "text-destructive",  },  pending: {    label: "Some checks haven't completed yet",    Icon: CircleDotIcon,    toneClassName: "text-amber-600 dark:text-amber-400/90",  },} as const satisfies Record<  PullRequestChecksState,  { label: string; Icon: typeof CircleCheckIcon; toneClassName: string }>; export function pullRequestChecksStatePresentation(state: PullRequestChecksState) {  return CHECKS_STATE_PRESENTATION[state];} /** * The same rollup the server sends with a listing row, worked out here from the checks a detail * already holds — so the header shows the icon without a second field travelling with it. * * Null for a change request with no checks: nothing to show beats a tick nobody earned. */export function pullRequestChecksState(  checks: ReadonlyArray<PullRequestCheck>,): PullRequestChecksState | null {  if (checks.length === 0) return null;  const statuses = new Set(checks.map((check) => check.status));  if (statuses.has("failure") || statuses.has("cancelled")) return "failing";  if (statuses.has("pending") || statuses.has("action-required")) return "pending";  return statuses.has("success") ? "passing" : null;} /** * How a verdict reads, in the one place every surface takes it from. The green is the green a * passing check already wears in the same panel, so "approved" and "all checks passed" cannot * look like two different kinds of good news. * * The ring runs a shade stronger than the text tones. At 16px across it is a thin arc, and the * muted pairing that reads well as a word was barely there as an outline. */const REVIEW_OUTCOME_PRESENTATION = {  approved: {    label: "Approved",    Icon: CircleCheckIcon,    toneClassName: "text-emerald-600 dark:text-emerald-300/90",    ringClassName: "ring-2 ring-emerald-500 dark:ring-emerald-400",    staleRingClassName:      "ring-2 ring-[color-mix(in_srgb,var(--color-emerald-500)_35%,var(--background))] dark:ring-[color-mix(in_srgb,var(--color-emerald-400)_35%,var(--background))]",    badgeVariant: "success",  },  "changes-requested": {    label: "Changes requested",    Icon: CircleXIcon,    toneClassName: "text-destructive",    ringClassName: "ring-2 ring-destructive",    staleRingClassName: "ring-2 ring-[color-mix(in_srgb,var(--destructive)_35%,var(--background))]",    badgeVariant: "error",  },  dismissed: {    label: "Review dismissed",    Icon: CircleDashedIcon,    toneClassName: "text-muted-foreground/70",    ringClassName: "ring-2 ring-muted-foreground/60",    staleRingClassName:      "ring-2 ring-[color-mix(in_srgb,var(--contrast-muted-foreground)_30%,var(--background))]",    badgeVariant: "outline",  },} as const satisfies Record<  PullRequestReviewOutcome,  {    label: string;    Icon: typeof CircleCheckIcon;    toneClassName: string;    ringClassName: string;    staleRingClassName: string;    badgeVariant: "success" | "error" | "outline";  }>; export function pullRequestReviewOutcomeToneClassName(outcome: PullRequestReviewOutcome): string {  return REVIEW_OUTCOME_PRESENTATION[outcome].toneClassName;} /** Worn by whatever wraps a reviewer's avatar, so their verdict reads without a row of its own. *//** * A faded verdict is mixed into the background rather than made translucent. The ring is the only * separator an avatar carrying one has — the summary drops the opaque `ring-background` where a * verdict is drawn — and the stack overlaps by 4px, so an alpha ring would let the neighbour show * straight through it and the two faces would merge. */export function pullRequestReviewOutcomeRingClassName(  outcome: PullRequestReviewOutcome,  stale = false,): string {  const presentation = REVIEW_OUTCOME_PRESENTATION[outcome];  return stale ? presentation.staleRingClassName : presentation.ringClassName;} /** * What a superseded verdict says, which is the same word with when it applied added. Commits * landed after it, so it stands for code the branch no longer has. */export function pullRequestReviewOutcomeStaleLabel(outcome: PullRequestReviewOutcome): string {  return `${REVIEW_OUTCOME_PRESENTATION[outcome].label} earlier changes`;} /** Decorative: every caller says which verdict this is in words beside it. */export function PullRequestReviewOutcomeIcon({  outcome,  className,}: {  outcome: PullRequestReviewOutcome;  className?: string;}) {  const presentation = REVIEW_OUTCOME_PRESENTATION[outcome];  return (    <presentation.Icon      aria-hidden      className={cn("size-3.5 shrink-0", presentation.toneClassName, className)}    />  );} export function pullRequestReviewOutcomeLabel(outcome: PullRequestReviewOutcome): string {  return REVIEW_OUTCOME_PRESENTATION[outcome].label;} export function PullRequestReviewOutcomeBadge({  outcome,  className,}: {  outcome: PullRequestReviewOutcome;  className?: string;}) {  const presentation = REVIEW_OUTCOME_PRESENTATION[outcome];  return (    <Badge size="sm" variant={presentation.badgeVariant} className={cn("gap-1", className)}>      <presentation.Icon aria-hidden className="size-3" />      {presentation.label}    </Badge>  );} export function PullRequestActorAvatar({  actor,  className,}: {  actor: PullRequestActor | null;  className?: string;}) {  const login = actor?.login ?? "ghost";  const avatarUrl = actor?.avatarUrl ?? null;  return avatarUrl === null ? (    // Not every host reports an avatar, so the initial stands in where none arrives.    <span      aria-hidden      className={cn(        "flex size-4 shrink-0 items-center justify-center rounded-full bg-muted text-[8px] font-medium text-muted-foreground",        className,      )}    >      {login.slice(0, 1).toUpperCase()}    </span>  ) : (    <img      aria-hidden      alt=""      src={avatarUrl}      loading="lazy"      className={cn("size-4 shrink-0 rounded-full bg-muted object-cover", className)}    />  );} /** GitHub attributes work from a deleted account to "ghost"; say the same word everywhere. */export function PullRequestActorLabel({  actor,  className,  labelClassName,  tooltip = true,  profileUrl,}: {  actor: PullRequestActor | null;  className?: string;  labelClassName?: string;  tooltip?: boolean;  profileUrl?: string | null;}) {  const login = actor?.login ?? "ghost";  const label = (    <>      <PullRequestActorAvatar actor={actor} />      <span className={cn("truncate", labelClassName)}>{login}</span>    </>  );  if (!tooltip) {    return <span className={cn("flex min-w-0 items-center gap-1.5", className)}>{label}</span>;  }  return (    <Tooltip>      <TooltipTrigger        render={          profileUrl ? (            <a              href={profileUrl}              target="_blank"              rel="noopener noreferrer"              aria-label={`Open ${login}'s profile`}            />          ) : (            <span />          )        }        className={cn(          "flex min-w-0 items-center gap-1.5",          profileUrl &&            "cursor-pointer rounded-sm underline-offset-2 outline-none hover:text-foreground hover:underline focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-1 focus-visible:ring-offset-background",          className,        )}      >        {label}      </TooltipTrigger>      <TooltipPopup side="top">{profileUrl ? `Open ${login}'s profile` : login}</TooltipPopup>    </Tooltip>  );} /** Added and removed lines, coloured the way every host colours them. */export function PullRequestDiffStat({  additions,  deletions,  className,}: {  additions: number;  deletions: number;  className?: string;}) {  // Not every host reports line counts. Showing "+0 -0" would read as an empty change set  // rather than as a missing one, so the stat is left out instead.  if (additions === 0 && deletions === 0) {    return null;  }  return (    <span className={cn("inline-flex items-baseline gap-1 tabular-nums", className)}>      <span className="text-diff-addition-foreground">+{additions.toLocaleString()}</span>      <span className="text-diff-deletion">-{deletions.toLocaleString()}</span>    </span>  );} /** * Dot-separated metadata. It owns the separator, and draws one only between the segments that * survive, so a caller can render `{condition ? <span/> : null}` without leaving a stray dot. * `Children.toArray` drops the nullish entries and keys what remains, which a plain array * check would not do for a single child or a fragment. A separator borrows the key of the * segment it precedes, so it stays stable without counting positions. */function separatorKey(segment: ReactNode): string {  return `separator:${isValidElement(segment) ? String(segment.key) : String(segment)}`;} export function PullRequestMetaLine({  children,  className,}: {  children: ReactNode;  className?: string;}) {  const segments = Children.toArray(children);  return (    <span className={cn("flex min-w-0 items-center gap-1.5", className)}>      {segments.flatMap((segment, index) =>        index === 0          ? segment          : [              <span                aria-hidden                className="shrink-0 text-muted-foreground/50"                key={separatorKey(segment)}              >                ·              </span>,              segment,            ],      )}    </span>  );} export function summarizePullRequestChecks(checks: ReadonlyArray<PullRequestCheck>): string {  if (checks.length === 0) return "No checks reported";  const actionRequired = checks.filter((check) => check.status === "action-required");  const workflowApprovalRequired = actionRequired.filter(isWorkflowApprovalCheck).length;  const otherActionRequired = actionRequired.length - workflowApprovalRequired;  const failed = checks.filter(    (check) => check.status === "failure" || check.status === "cancelled",  ).length;  const pending = checks.filter((check) => check.status === "pending").length;  const passed = checks.filter((check) => check.status === "success").length;  if (failed > 0) return `${failed} of ${checks.length} failing`;  if (workflowApprovalRequired > 0 && otherActionRequired > 0) {    return `${workflowApprovalRequired} ${workflowApprovalRequired === 1 ? "workflow" : "workflows"} and ${otherActionRequired} ${otherActionRequired === 1 ? "check" : "checks"} awaiting action`;  }  if (workflowApprovalRequired > 0) {

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