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import { useState } from 'react';
import { formatDistanceToNow } from 'date-fns';
import { Button } from '@/components/ui';
import { Icon } from '@/components/ui/icons';
/**
* Comment data structure
*/
export interface ErrorCommentData {
id: string;
userId: number;
userEmail: string;
content: string;
createdAt: Date | string;
updatedAt: Date | string;
}
export interface ErrorCommentsTabProps {
/** List of comments */
comments: ErrorCommentData[];
/** Callback when adding a new comment */
onAddComment: (content: string) => Promise<void>;
/** Whether a comment is being added */
isAdding?: boolean;
/** Total number of comments (for pagination) */
total?: number;
/** Callback to load more comments */
onLoadMore?: () => void;
/** Whether more comments are available */
hasMore?: boolean;
}
function formatRelativeTime(date: Date | string): string {
const d = typeof date === 'string' ? new Date(date) : date;
return formatDistanceToNow(d, { addSuffix: true });
}
/**
* ErrorCommentsTab Component
*
* Displays comments on an error and allows adding new comments.
*/
export function ErrorCommentsTab({
comments,
onAddComment,
isAdding = false,
total,
onLoadMore,
hasMore = false,
}: ErrorCommentsTabProps) {
const [newComment, setNewComment] = useState('');
const handleSubmit = async (e: React.FormEvent) => {
e.preventDefault();
if (!newComment.trim() || isAdding) return;
await onAddComment(newComment.trim());
setNewComment('');
};
return (
<div className="space-y-4" data-testid="error-comments-tab">
{/* Add Comment Form */}
<form onSubmit={handleSubmit} className="space-y-2">
<textarea
value={newComment}
onChange={(e) => setNewComment(e.target.value)}
placeholder="Add a comment..."
rows={3}
disabled={isAdding}
className="w-full p-3 border rounded-lg dark:bg-gray-700 dark:border-gray-600 dark:text-white placeholder-gray-400 dark:placeholder-gray-500 focus:ring-2 focus:ring-blue-500 focus:border-transparent resize-none"
data-testid="comment-input"
/>
<div className="flex justify-end">
<Button
type="submit"
disabled={!newComment.trim() || isAdding}
data-testid="add-comment-button"
>
{isAdding ? (
<>
<Icon name="loader" size={16} className="mr-1 animate-spin" />
Adding...
</>
) : (
'Add Comment'
)}
</Button>
</div>
</form>
{/* Comments List */}
<div className="space-y-3" data-testid="comments-list">
{comments.map((comment) => (
<div
key={comment.id}
className="border-l-2 border-blue-500 pl-3 py-2"
data-testid="comment-item"
>
<div className="flex items-center gap-2 text-sm text-gray-500 dark:text-gray-400">
<span className="font-medium text-gray-700 dark:text-gray-300">
{comment.userEmail}
</span>
<span>·</span>
<span title={new Date(comment.createdAt).toLocaleString()}>
{formatRelativeTime(comment.createdAt)}
</span>
</div>
<p className="mt-1 text-gray-900 dark:text-gray-200 whitespace-pre-wrap">
{comment.content}
</p>
</div>
))}
{comments.length === 0 && (
<p className="text-gray-500 dark:text-gray-400 text-center py-8">
No comments yet. Be the first to add one!
</p>
)}
{/* Load More */}
{hasMore && onLoadMore && (
<div className="text-center pt-2">
<Button variant="ghost" size="sm" onClick={onLoadMore}>
Load more comments
</Button>
</div>
)}
{/* Total Count */}
{total !== undefined && total > comments.length && (
<p className="text-xs text-gray-500 dark:text-gray-400 text-center">
Showing {comments.length} of {total} comments
</p>
)}
</div>
</div>
);
}
export default ErrorCommentsTab;
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