1import { Spinner } from "~/components/ui/spinner";
2import type {
3 PullRequestActor,
4 PullRequestCheck,
5 PullRequestCheckStatus,
6 PullRequestChecksState,
7 PullRequestLabel,
8 PullRequestMergeability,
9 PullRequestReviewDecision,
10 PullRequestState,
11} from "@t3tools/contracts";
12import { formatDiffCount } from "@t3tools/client-runtime/diff-count";
13import {
14 CircleCheckIcon,
15 CircleDashedIcon,
16 CircleDotIcon,
17 CircleXIcon,
18 UserCheckIcon,
19 UserRoundIcon,
20 UserRoundXIcon,
21} from "lucide-react";
22import { Children, type CSSProperties, isValidElement, type ReactNode, useState } from "react";
23
24import { cn } from "~/lib/utils";
25
26import { Badge } from "../ui/badge";
27import { InlineButton } from "../ui/button";
28import { Tooltip, TooltipPopup, TooltipTrigger } from "../ui/tooltip";
29import type { PullRequestReviewOutcome } from "./pullRequestDetail.logic";
30import { pullRequestLabelColor } from "./pullRequestList.logic";
31import {
32 PULL_REQUEST_STATE_PRESENTATION,
33 PullRequestGlyph,
34 type PullRequestStatePresentation,
35 type PullRequestGlyphIcon,
36} from "./pullRequestIcons";
37
38/**
39 * A host label as a flat tinted tag in the label's own color: a wash of it behind, the name
40 * in a mix of it and the theme foreground. The mix leans to the foreground because hosts hand
41 * out any color at all: at 30% of the label on light and 45% on dark, white, black and
42 * GitHub's pale yellows all clear 4.5:1 on their wash, selected row included, and
43 * saturated colors sit well above.
44 * A label with no usable color falls back to the muted tag. Children ride after the name,
45 * for an overflow count. The height is pinned so a labeled row is as tall as one without.
46 */
47export function PullRequestLabelChip({
48 label,
49 size = "sm",
50 className,
51 children,
52}: {
53 label: Pick<PullRequestLabel, "name" | "color">;
54 size?: "sm" | "default";
55 className?: string;
56 children?: ReactNode;
57}) {
58 const color = pullRequestLabelColor(label.color);
59 return (
60 <Badge
61 size={size}
62 variant={color ? "label" : "secondary"}
63 className={cn("min-w-0 max-w-40 shrink justify-start", className)}
64 {...(color ? { style: { "--label": color } as CSSProperties } : {})}
65 >
66 <span className="truncate">{label.name}</span>
67 {children}
68 </Badge>
69 );
70}
71
72/**
73 * The review verdict as one glyph beside the checks glyph, so a row answers both "does it
74 * build" and "did someone say yes" in the same spot. "Awaiting review" is only drawn when the
75 * host reports it, which on GitHub means the branch rules require a review nobody has given.
76 */
77function reviewDecisionPresentation(decision: PullRequestReviewDecision) {
78 switch (decision) {
79 case "approved":
80 return {
81 Icon: UserCheckIcon,
82 label: "Approved",
83 toneClassName: CHECK_STATUS_PRESENTATION.success.toneClassName,
84 };
85 case "changes-requested":
86 return {
87 Icon: UserRoundXIcon,
88 label: "Changes requested",
89 toneClassName: "text-amber-600/90 dark:text-amber-400/80",
90 };
91 case "review-required":
92 return {
93 Icon: UserRoundIcon,
94 label: "Awaiting review",
95 toneClassName: "text-muted-foreground/60",
96 };
97 }
98}
99
100export function PullRequestReviewDecisionGlyph({
101 decision,
102}: {
103 decision: PullRequestReviewDecision;
104}) {
105 const presentation = reviewDecisionPresentation(decision);
106 return (
107 <Tooltip>
108 <TooltipTrigger render={<span className="inline-flex shrink-0" />}>
109 <presentation.Icon aria-hidden className={cn("size-3.5", presentation.toneClassName)} />
110 <span className="sr-only">{presentation.label}</span>
111 </TooltipTrigger>
112 <TooltipPopup>{presentation.label}</TooltipPopup>
113 </Tooltip>
114 );
115}
116
117/**
118 * How a pull request's state reads anywhere it appears: the thread badge, the right-panel tab,
119 * the list, and the detail header all resolve through here so one pull request cannot look like
120 * two different things in two places.
121 *
122 * Closed and merged take precedence over a stale draft flag.
123 */
124export function resolvePullRequestState(input: {
125 readonly state: PullRequestState;
126 readonly isDraft: boolean;
127}): PullRequestStatePresentation {
128 const key = input.state === "open" && input.isDraft ? "draft" : input.state;
129 return PULL_REQUEST_STATE_PRESENTATION[key];
130}
131
132export interface PullRequestConflictPresentation {
133 readonly label: string;
134 readonly toneClassName: string;
135 readonly Icon: PullRequestGlyphIcon;
136}
137
138export function resolvePullRequestConflict(input: {
139 readonly state: PullRequestState;
140 readonly isDraft: boolean;
141 readonly mergeability?: PullRequestMergeability;
142 readonly baseBranch?: string;
143}): PullRequestConflictPresentation | null {
144 if (input.state !== "open" || input.isDraft || input.mergeability !== "conflicting") {
145 return null;
146 }
147 return {
148 label: input.baseBranch ? `Conflicts with ${input.baseBranch}` : "Has conflicts",
149 toneClassName: "text-destructive",
150 Icon: PullRequestGlyph.conflicting,
151 };
152}
153
154export function PullRequestStateGlyph({
155 state,
156 isDraft,
157 className,
158}: {
159 state: PullRequestState;
160 isDraft: boolean;
161 className?: string;
162}) {
163 const presentation = resolvePullRequestState({ state, isDraft });
164 return (
165 <Tooltip>
166 {/* The list row is itself a button, so the trigger stays a span: an interactive one would
167 nest a control inside that button and steal the row's click target. */}
168 <TooltipTrigger render={<span className="inline-flex shrink-0" />}>
169 <presentation.Icon
170 role="img"
171 aria-label={presentation.label}
172 className={cn("size-4 shrink-0", presentation.toneClassName, className)}
173 />
174 </TooltipTrigger>
175 <TooltipPopup>{presentation.label}</TooltipPopup>
176 </Tooltip>
177 );
178}
179
180export function PullRequestConflictGlyph({
181 state,
182 isDraft,
183 mergeability,
184 baseBranch,
185 className,
186}: {
187 state: PullRequestState;
188 isDraft: boolean;
189 mergeability?: PullRequestMergeability;
190 baseBranch?: string;
191 className?: string;
192}) {
193 const presentation = resolvePullRequestConflict({
194 state,
195 isDraft,
196 ...(mergeability === undefined ? {} : { mergeability }),
197 ...(baseBranch === undefined ? {} : { baseBranch }),
198 });
199 if (presentation === null) return null;
200 return (
201 <Tooltip>
202 <TooltipTrigger render={<span className="inline-flex shrink-0" />}>
203 <presentation.Icon
204 role="img"
205 aria-label={presentation.label}
206 className={cn("size-4 shrink-0", presentation.toneClassName, className)}
207 />
208 </TooltipTrigger>
209 <TooltipPopup>{presentation.label}</TooltipPopup>
210 </Tooltip>
211 );
212}
213
214const CHECK_STATUS_PRESENTATION = {
215 pending: { label: "Running", Icon: Spinner, toneClassName: "text-amber-500" },
216 "action-required": {
217 label: "Awaiting action",
218 Icon: CircleDotIcon,
219 toneClassName: "text-amber-600 dark:text-amber-400/90",
220 },
221 success: {
222 label: "Passed",
223 Icon: CircleCheckIcon,
224 toneClassName: "text-emerald-600 dark:text-emerald-300/90",
225 },
226 failure: { label: "Failed", Icon: CircleXIcon, toneClassName: "text-destructive" },
227 cancelled: { label: "Cancelled", Icon: CircleXIcon, toneClassName: "text-destructive" },
228 skipped: { label: "Skipped", Icon: CircleDashedIcon, toneClassName: "text-muted-foreground/70" },
229 neutral: { label: "Neutral", Icon: CircleDashedIcon, toneClassName: "text-muted-foreground/70" },
230} as const satisfies Record<
231 PullRequestCheckStatus,
232 { label: string; Icon: typeof CircleCheckIcon | typeof Spinner; toneClassName: string }
233>;
234
235function isWorkflowApprovalCheck(check: Pick<PullRequestCheck, "status" | "url">): boolean {
236 return (
237 check.status === "action-required" &&
238 check.url !== null &&
239 /\/actions\/runs\/\d+(?:\/|$)/u.test(check.url)
240 );
241}
242
243export function pullRequestCheckStatusLabel(
244 check: Pick<PullRequestCheck, "status" | "url">,
245): string {
246 return isWorkflowApprovalCheck(check)
247 ? "Awaiting approval"
248 : CHECK_STATUS_PRESENTATION[check.status].label;
249}
250
251export function PullRequestCheckStatusIcon({ status }: { status: PullRequestCheckStatus }) {
252 const presentation = CHECK_STATUS_PRESENTATION[status];
253 return (
254 <presentation.Icon
255 aria-hidden
256 className={cn("size-3.5 shrink-0", presentation.toneClassName)}
257 />
258 );
259}
260
261/**
262 * The rollup a listing row carries, which is one word rather than the checks behind it. The
263 * headline is GitHub's own wording, so a reader who knows that page reads this one the same way.
264 */
265const CHECKS_STATE_PRESENTATION = {
266 passing: {
267 label: "All checks have passed",
268 Icon: CircleCheckIcon,
269 toneClassName: CHECK_STATUS_PRESENTATION.success.toneClassName,
270 },
271 failing: {
272 label: "Some checks were not successful",
273 Icon: CircleXIcon,
274 toneClassName: "text-destructive",
275 },
276 pending: {
277 label: "Some checks haven't completed yet",
278 Icon: CircleDotIcon,
279 toneClassName: "text-amber-600 dark:text-amber-400/90",
280 },
281} as const satisfies Record<
282 PullRequestChecksState,
283 { label: string; Icon: typeof CircleCheckIcon; toneClassName: string }
284>;
285
286export function pullRequestChecksStatePresentation(state: PullRequestChecksState) {
287 return CHECKS_STATE_PRESENTATION[state];
288}
289
290/**
291 * The same rollup the server sends with a listing row, worked out here from the checks a detail
292 * already holds — so the header shows the icon without a second field travelling with it.
293 *
294 * Null for a change request with no checks: nothing to show beats a tick nobody earned.
295 */
296export function pullRequestChecksState(
297 checks: ReadonlyArray<PullRequestCheck>,
298): PullRequestChecksState | null {
299 if (checks.length === 0) return null;
300 const statuses = new Set(checks.map((check) => check.status));
301 if (statuses.has("failure") || statuses.has("cancelled")) return "failing";
302 if (statuses.has("pending") || statuses.has("action-required")) return "pending";
303 return statuses.has("success") ? "passing" : null;
304}
305
306/**
307 * How a verdict reads, in the one place every surface takes it from. The green is the green a
308 * passing check already wears in the same panel, so "approved" and "all checks passed" cannot
309 * look like two different kinds of good news.
310 *
311 * The ring runs a shade stronger than the text tones. At 16px across it is a thin arc, and the
312 * muted pairing that reads well as a word was barely there as an outline.
313 */
314const REVIEW_OUTCOME_PRESENTATION = {
315 approved: {
316 label: "Approved",
317 Icon: CircleCheckIcon,
318 toneClassName: "text-emerald-600 dark:text-emerald-300/90",
319 ringClassName: "ring-2 ring-emerald-500 dark:ring-emerald-400",
320 staleRingClassName:
321 "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))]",
322 badgeVariant: "success",
323 },
324 "changes-requested": {
325 label: "Changes requested",
326 Icon: CircleXIcon,
327 toneClassName: "text-destructive",
328 ringClassName: "ring-2 ring-destructive",
329 staleRingClassName: "ring-2 ring-[color-mix(in_srgb,var(--destructive)_35%,var(--background))]",
330 badgeVariant: "error",
331 },
332 dismissed: {
333 label: "Review dismissed",
334 Icon: CircleDashedIcon,
335 toneClassName: "text-muted-foreground/70",
336 ringClassName: "ring-2 ring-muted-foreground/60",
337 staleRingClassName:
338 "ring-2 ring-[color-mix(in_srgb,var(--contrast-muted-foreground)_30%,var(--background))]",
339 badgeVariant: "outline",
340 },
341} as const satisfies Record<
342 PullRequestReviewOutcome,
343 {
344 label: string;
345 Icon: typeof CircleCheckIcon;
346 toneClassName: string;
347 ringClassName: string;
348 staleRingClassName: string;
349 badgeVariant: "success" | "error" | "outline";
350 }
351>;
352
353export function pullRequestReviewOutcomeToneClassName(outcome: PullRequestReviewOutcome): string {
354 return REVIEW_OUTCOME_PRESENTATION[outcome].toneClassName;
355}
356
357/** Worn by whatever wraps a reviewer's avatar, so their verdict reads without a row of its own. */
358/**
359 * A faded verdict is mixed into the background rather than made translucent. The ring is the only
360 * separator an avatar carrying one has — the summary drops the opaque `ring-background` where a
361 * verdict is drawn — and the stack overlaps by 4px, so an alpha ring would let the neighbour show
362 * straight through it and the two faces would merge.
363 */
364export function pullRequestReviewOutcomeRingClassName(
365 outcome: PullRequestReviewOutcome,
366 stale = false,
367): string {
368 const presentation = REVIEW_OUTCOME_PRESENTATION[outcome];
369 return stale ? presentation.staleRingClassName : presentation.ringClassName;
370}
371
372/**
373 * What a superseded verdict says, which is the same word with when it applied added. Commits
374 * landed after it, so it stands for code the branch no longer has.
375 */
376export function pullRequestReviewOutcomeStaleLabel(outcome: PullRequestReviewOutcome): string {
377 return `${REVIEW_OUTCOME_PRESENTATION[outcome].label} earlier changes`;
378}
379
380/** Decorative: every caller says which verdict this is in words beside it. */
381export function PullRequestReviewOutcomeIcon({
382 outcome,
383 className,
384}: {
385 outcome: PullRequestReviewOutcome;
386 className?: string;
387}) {
388 const presentation = REVIEW_OUTCOME_PRESENTATION[outcome];
389 return (
390 <presentation.Icon
391 aria-hidden
392 className={cn("size-3.5 shrink-0", presentation.toneClassName, className)}
393 />
394 );
395}
396
397export function pullRequestReviewOutcomeLabel(outcome: PullRequestReviewOutcome): string {
398 return REVIEW_OUTCOME_PRESENTATION[outcome].label;
399}
400
401export function PullRequestReviewOutcomeBadge({
402 outcome,
403 className,
404}: {
405 outcome: PullRequestReviewOutcome;
406 className?: string;
407}) {
408 const presentation = REVIEW_OUTCOME_PRESENTATION[outcome];
409 return (
410 <Badge size="sm" variant={presentation.badgeVariant} className={className}>
411 <presentation.Icon aria-hidden className="size-3" />
412 {presentation.label}
413 </Badge>
414 );
415}
416
417export function PullRequestActorAvatar({
418 actor,
419 className,
420}: {
421 actor: PullRequestActor | null;
422 className?: string;
423}) {
424 const login = actor?.login ?? "ghost";
425 const avatarUrl = actor?.avatarUrl ?? null;
426 const [failedAvatarUrl, setFailedAvatarUrl] = useState<string | null>(null);
427 return avatarUrl === null || failedAvatarUrl === avatarUrl ? (
428 // Not every host reports an avatar, and a private host may refuse the browser's request.
429 <span
430 aria-hidden
431 className={cn(
432 "flex size-4 shrink-0 items-center justify-center rounded-full bg-muted text-3xs font-medium text-muted-foreground",
433 className,
434 )}
435 >
436 {login.slice(0, 1).toUpperCase()}
437 </span>
438 ) : (
439 <img
440 aria-hidden
441 alt=""
442 src={avatarUrl}
443 loading="lazy"
444 className={cn("size-4 shrink-0 rounded-full bg-muted object-cover", className)}
445 onError={() => setFailedAvatarUrl(avatarUrl)}
446 />
447 );
448}
449
450/**
451 * GitHub attributes work from a deleted account to "ghost"; say the same word everywhere.
452 *
453 * An actor as a login beside its avatar, or as the avatar alone. With a profile URL the actor
454 * is an inline link; `className` places it and never restyles it.
455 */
456export function PullRequestActorLabel({
457 actor,
458 className,
459 variant = "label",
460 tooltip = true,
461 profileUrl,
462}: {
463 actor: PullRequestActor | null;
464 className?: string;
465 variant?: "label" | "avatar";
466 tooltip?: boolean;
467 profileUrl?: string | null;
468}) {
469 const login = actor?.login ?? "ghost";
470 const label = (
471 <span className={cn("flex min-w-0 items-center", variant === "label" && "gap-1.5")}>
472 <PullRequestActorAvatar actor={actor} />
473 <span className={variant === "label" ? "truncate font-medium text-foreground" : "sr-only"}>
474 {login}
475 </span>
476 </span>
477 );
478 const placement = cn("flex min-w-0 shrink", className);
479 if (!tooltip) return <span className={placement}>{label}</span>;
480 return (
481 <Tooltip>
482 <TooltipTrigger
483 render={
484 profileUrl ? (
485 <InlineButton
486 className={placement}
487 render={
488 <a
489 href={profileUrl}
490 target="_blank"
491 rel="noopener noreferrer"
492 aria-label={`Open ${login}'s profile`}
493 />
494 }
495 />
496 ) : (
497 <span className={placement} />
498 )
499 }
500 >
501 {label}
502 </TooltipTrigger>
503 <TooltipPopup side="top">
504 {actor?.name && actor.name !== login ? `${actor.name} (@${login})` : login}
505 {profileUrl ? " · Open profile" : ""}
506 </TooltipPopup>
507 </Tooltip>
508 );
509}
510
511/** Added and removed lines, coloured the way every host colours them. */
512export function PullRequestDiffStat({
513 additions,
514 deletions,
515 className,
516}: {
517 additions: number;
518 deletions: number;
519 className?: string;
520}) {
521 // Not every host reports line counts. Showing "+0 -0" would read as an empty change set
522 // rather than as a missing one, so the stat is left out instead.
523 if (additions === 0 && deletions === 0) {
524 return null;
525 }
526 return (
527 <span className={cn("inline-flex items-baseline gap-1 tabular-nums", className)}>
528 <span className="text-diff-addition-foreground">+{formatDiffCount(additions)}</span>
529 <span className="text-diff-deletion">-{formatDiffCount(deletions)}</span>
530 </span>
531 );
532}
533
534/**
535 * Dot-separated metadata. It owns the separator, and draws one only between the segments that
536 * survive, so a caller can render `{condition ? <span/> : null}` without leaving a stray dot.
537 * `Children.toArray` drops the nullish entries and keys what remains, which a plain array
538 * check would not do for a single child or a fragment. A separator borrows the key of the
539 * segment it precedes, so it stays stable without counting positions.
540 */
541function separatorKey(segment: ReactNode): string {
542 return `separator:${isValidElement(segment) ? String(segment.key) : String(segment)}`;
543}
544
545export function PullRequestMetaLine({
546 children,
547 className,
548}: {
549 children: ReactNode;
550 className?: string;
551}) {
552 const segments = Children.toArray(children);
553 return (
554 <span className={cn("flex min-w-0 items-center gap-1.5", className)}>
555 {segments.flatMap((segment, index) =>
556 index === 0
557 ? segment
558 : [
559 <span
560 aria-hidden
561 className="shrink-0 text-muted-foreground/50"
562 key={separatorKey(segment)}
563 >
564 ·
565 </span>,
566 segment,
567 ],
568 )}
569 </span>
570 );
571}
572
573export function summarizePullRequestChecks(checks: ReadonlyArray<PullRequestCheck>): string {
574 if (checks.length === 0) return "No checks reported";
575 const actionRequired = checks.filter((check) => check.status === "action-required");
576 const workflowApprovalRequired = actionRequired.filter(isWorkflowApprovalCheck).length;
577 const otherActionRequired = actionRequired.length - workflowApprovalRequired;
578 const failed = checks.filter(
579 (check) => check.status === "failure" || check.status === "cancelled",
580 ).length;
581 const pending = checks.filter((check) => check.status === "pending").length;
582 const passed = checks.filter((check) => check.status === "success").length;
583 if (failed > 0) return `${failed} of ${checks.length} failing`;
584 if (workflowApprovalRequired > 0 && otherActionRequired > 0) {
585 return `${workflowApprovalRequired} ${workflowApprovalRequired === 1 ? "workflow" : "workflows"} and ${otherActionRequired} ${otherActionRequired === 1 ? "check" : "checks"} awaiting action`;
586 }
587 if (workflowApprovalRequired > 0) {
588 return `${workflowApprovalRequired} ${workflowApprovalRequired === 1 ? "workflow" : "workflows"} awaiting approval`;
589 }
590 if (otherActionRequired > 0) {
591 return `${otherActionRequired} ${otherActionRequired === 1 ? "check" : "checks"} awaiting action`;
592 }
593 if (pending > 0) return `${pending} of ${checks.length} running`;
594 return passed === checks.length ? "All checks passed" : `${passed} of ${checks.length} passing`;
595}