Files
multica/packages/views/issues/components/reply-input.tsx

280 lines
10 KiB
TypeScript

"use client";
import { useRef, useState, useCallback, useEffect } from "react";
import { ContentEditor, type ContentEditorRef, useFileDropZone, FileDropOverlay, useLazyEditor, useUploadGate, useEditorUpload } from "../../editor";
import { FileUploadButton } from "@multica/ui/components/common/file-upload-button";
import { SubmitButton } from "@multica/ui/components/common/submit-button";
import { ActorAvatar } from "../../common/actor-avatar";
import type { Attachment } from "@multica/core/types";
import { contentReferencesAttachment } from "@multica/core/types";
import { formatShortcut, useShortcut } from "@multica/core/shortcuts";
import { useCommentDraftStore, type CommentDraftKey } from "@multica/core/issues/stores";
import { cn } from "@multica/ui/lib/utils";
import type { AvatarSize } from "@multica/ui/lib/avatar-size";
import { useT } from "../../i18n";
import { CommentTriggerChips } from "./comment-trigger-chips";
import { useCommentTriggerPreview } from "../hooks/use-comment-trigger-preview";
// ---------------------------------------------------------------------------
// Types
// ---------------------------------------------------------------------------
interface ReplyInputProps {
issueId: string;
parentId: string;
placeholder?: string;
avatarType: string;
avatarId: string;
/** Resolves true on success, false on failure — the reply box keeps its text
* (locked + spinning) until then, clearing only on success. */
onSubmit: (content: string, attachmentIds?: string[], suppressAgentIds?: string[]) => Promise<boolean>;
size?: "sm" | "default";
/** When set, hydrates/persists the in-progress reply via the draft store.
* Required for replies inside virtualized timeline threads, where the
* enclosing CommentCard may unmount on scroll-out. */
draftKey?: CommentDraftKey;
}
// ---------------------------------------------------------------------------
// ReplyInput
// ---------------------------------------------------------------------------
function ReplyInput({
issueId,
parentId,
placeholder,
avatarType,
avatarId,
onSubmit,
size = "default",
draftKey,
}: ReplyInputProps) {
const { t } = useT("issues");
const { t: tEditor } = useT("editor");
const sendShortcut = useShortcut("send");
const placeholderText = placeholder ?? t(($) => $.reply.placeholder);
const editorRef = useRef<ContentEditorRef>(null);
// See CommentInput — replying mid-upload posts without the file.
const uploadGate = useUploadGate(editorRef);
// If a draft key is provided, hydrate from store on mount (defaultValue is
// the only injection point on ContentEditorRef) and flush on every onUpdate.
const [initialDraft] = useState(() =>
draftKey ? useCommentDraftStore.getState().getDraft(draftKey) : undefined,
);
const [content, setContent] = useState(initialDraft ?? "");
const setDraft = useCommentDraftStore((s) => s.setDraft);
const clearDraft = useCommentDraftStore((s) => s.clearDraft);
const [isEmpty, setIsEmpty] = useState(!initialDraft?.trim());
const [submitting, setSubmitting] = useState(false);
const [suppressedAgentIds, setSuppressedAgentIds] = useState<Set<string>>(() => new Set());
const triggerPreview = useCommentTriggerPreview({ issueId, parentId, content });
// Attachments uploaded in this composer session — see CommentInput for the
// rationale (drives both submit-time attachment_ids and editor previews).
const [pendingAttachments, setPendingAttachments] = useState<Attachment[]>([]);
const { uploadWithToast } = useEditorUpload();
// Readonly-first: static shell until intent; an unsent draft mounts the
// real editor immediately (see CommentInput). This is also what keeps the
// reply box working across Virtuoso scroll-out — a typed draft rehydrates
// into a live editor when the card remounts, an untouched box folds back
// to the shell.
const lazy = useLazyEditor({
initialActive: !!initialDraft?.trim(),
editorRef,
});
const { isDragOver, dropZoneProps } = useFileDropZone({
onDrop: lazy.uploadOrQueue,
});
// Flush on tab close / mobile background — same rationale as CommentInput.
useEffect(() => {
if (!draftKey) return;
const flush = () => {
const md = editorRef.current?.getMarkdown();
if (md && md.trim().length > 0) setDraft(draftKey, md);
};
const onVis = () => { if (document.visibilityState === "hidden") flush(); };
document.addEventListener("visibilitychange", onVis);
window.addEventListener("pagehide", flush);
return () => {
document.removeEventListener("visibilitychange", onVis);
window.removeEventListener("pagehide", flush);
};
}, [draftKey, setDraft]);
const handleUpload = useCallback(async (file: File) => {
const result = await uploadWithToast(file, { issueId });
if (result) {
setPendingAttachments((prev) => [...prev, result]);
}
return result;
}, [uploadWithToast, issueId]);
useEffect(() => {
setSuppressedAgentIds(new Set());
}, [issueId, parentId]);
useEffect(() => {
const visible = new Set(triggerPreview.agents.map((agent) => agent.id));
setSuppressedAgentIds((prev) => {
const next = new Set([...prev].filter((id) => visible.has(id)));
return next.size === prev.size ? prev : next;
});
}, [triggerPreview.agents]);
const toggleSuppressedAgent = useCallback((agentId: string) => {
setSuppressedAgentIds((prev) => {
const next = new Set(prev);
if (next.has(agentId)) next.delete(agentId);
else next.add(agentId);
return next;
});
}, []);
const handleSubmit = async () => {
const content = editorRef.current?.getMarkdown()?.replace(/(\n\s*)+$/, "").trim();
if (!content || submitting) return;
// Submit-time re-read — the shortcut path never sees the disabled button.
if (uploadGate.isBlocked()) return;
// Track every attachment whose stable download URL OR legacy
// storage URL is referenced in the markdown body. Both shapes
// can appear in the same comment during the MUL-3130 rollout.
const activeIds = pendingAttachments
.filter((a) => contentReferencesAttachment(content, a))
.map((a) => a.id);
const suppressAgentIds = triggerPreview.agents
.filter((agent) => suppressedAgentIds.has(agent.id))
.map((agent) => agent.id);
// Pessimistic submit (see CommentInput): keep the text, lock + spin, clear
// only once the server accepts it.
setSubmitting(true);
try {
const ok = await onSubmit(
content,
activeIds.length > 0 ? activeIds : undefined,
suppressAgentIds.length > 0 ? suppressAgentIds : undefined,
);
if (ok) {
editorRef.current?.clearContent();
setContent("");
setIsEmpty(true);
setSuppressedAgentIds(new Set());
setPendingAttachments([]);
if (draftKey) clearDraft(draftKey);
}
} finally {
setSubmitting(false);
}
};
const avatarSize: AvatarSize = size === "sm" ? "sm" : "md";
return (
<div className="group/editor flex items-start gap-2.5">
<ActorAvatar
actorType={avatarType}
actorId={avatarId}
size={avatarSize}
className="mt-0.5 shrink-0"
/>
<div
{...dropZoneProps}
className={cn(
"relative min-w-0 flex-1 flex flex-col",
!isEmpty && "pb-9",
)}
>
{/* Lock the editor while the reply is in flight — see CommentInput. */}
{lazy.active && (
<div
className={cn(
"flex-1 min-h-0 overflow-y-auto",
submitting && "pointer-events-none opacity-60",
!lazy.ready && "hidden",
)}
aria-busy={submitting || undefined}
>
<ContentEditor
ref={editorRef}
defaultValue={initialDraft}
onReady={lazy.onReady}
placeholder={placeholderText}
onUpdate={(md) => {
setContent(md);
setIsEmpty(!md.trim());
if (draftKey) {
if (md.trim().length > 0) setDraft(draftKey, md);
else clearDraft(draftKey);
}
}}
onSubmit={handleSubmit}
onUploadFile={handleUpload}
onUploadingChange={uploadGate.onUploadingChange}
debounceMs={100}
currentIssueId={issueId}
attachments={pendingAttachments}
enableSlashCommands
slashCommandMode="command"
/>
</div>
)}
{/* Static shell — clones the empty single-line reply box (see
CommentInput for the pattern). */}
{!lazy.ready && (
<div
data-testid="reply-composer-shell"
role="button"
tabIndex={0}
aria-label={placeholderText}
className="flex-1 min-h-0 cursor-text rich-text-editor text-sm"
onClick={() => lazy.activate()}
onKeyDown={(e) => {
if (e.key === "Enter" || e.key === " ") {
e.preventDefault();
lazy.activate();
}
}}
>
{/* <p> under rich-text-editor: same type metrics as the real
editor's empty paragraph — no height jump on swap. */}
<p className="text-muted-foreground">{placeholderText}</p>
</div>
)}
<div className="absolute bottom-0 left-0 right-24 min-w-0">
<CommentTriggerChips
agents={triggerPreview.agents}
blocked={triggerPreview.blocked}
draftContent={content}
suppressedAgentIds={suppressedAgentIds}
onToggle={toggleSuppressedAgent}
/>
</div>
<div className="absolute bottom-0 right-0 flex items-center gap-1">
<FileUploadButton
size="sm"
multiple
onSelect={(file) => lazy.uploadOrQueue([file])}
/>
<SubmitButton
onClick={handleSubmit}
disabled={isEmpty}
loading={submitting}
busy={uploadGate.uploading}
tooltip={uploadGate.uploading
? tEditor(($) => $.upload.in_progress)
: sendShortcut
? `${t(($) => $.comment.send_tooltip)} · ${formatShortcut(sendShortcut)}`
: t(($) => $.comment.send_tooltip)}
ariaLabel={uploadGate.uploading
? tEditor(($) => $.upload.in_progress)
: t(($) => $.comment.send_tooltip)}
/>
</div>
{isDragOver && <FileDropOverlay />}
</div>
</div>
);
}
export { ReplyInput, type ReplyInputProps };