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import { useNavigate } from "@tanstack/react-router";
import {
Bell,
Search,
MessageSquare,
Clock,
Star,
Trash2,
CheckCheck,
Loader2,
} from "lucide-react";
import { Button } from "../components/ui/button";
import { Input } from "../components/ui/input";
import { Skeleton } from "../components/ui/skeleton";
import { StickyPageHeader } from "../components/ui/sticky-page-header";
import { PushPermissionBanner } from "../components/pwa/PushPermissionBanner";
import { FacetedFilter } from "../components/ui/faceted-filter";
import { EmptyState } from "../components/ui/empty-state";
import { NotificationRow } from "../components/notifications/NotificationRow";
import { useDebouncedValue, useConfirmDialog } from "../hooks";
import {
useNotifications,
useMarkAsRead,
useMarkAllAsRead,
useDeleteNotification,
useDeleteNotificationsBulk,
} from "../hooks/queries/useNotificationQueries";
import { notify } from "../lib/notify";
import { GENERIC_ERROR_MESSAGE } from "../lib/api";
import type { NotificationItem } from "../lib/api/notifications";
export function NotificationsPage() {
const navigate = useNavigate();
const { confirm, dialog: confirmDialog } = useConfirmDialog();
// Filters
const [categoryFilter, setCategoryFilter] = useState<Set<string>>(
() => new Set(),
);
const [searchInput, setSearchInput] = useState("");
const debouncedSearch = useDebouncedValue(searchInput, 300);
const [limit, setLimit] = useState(30);
const [selectedIds, setSelectedIds] = useState<Set<string>>(
() => new Set(),
);
// Derive single category for API (FacetedFilter uses Set, but API takes single string)
const activeCategory =
categoryFilter.size === 1 ? [...categoryFilter][0] : undefined;
const { data, isLoading, isError } = useNotifications({
category: activeCategory,
search: debouncedSearch || undefined,
page: 1,
limit,
});
// Use data directly from query — no accumulation needed for "load more"
// since each page fetch includes offset-based results
const allNotifications = data?.notifications ?? [];
// Split into unread / read (API already sorts unread first, newest first)
const unreadNotifications = useMemo(
() => allNotifications.filter((n) => !n.readAt),
[allNotifications],
);
const readNotifications = useMemo(
() => allNotifications.filter((n) => n.readAt),
[allNotifications],
);
const unreadCount = data?.unread_count ?? 0;
const hasMore = data?.has_more ?? false;
// Mutations
const markAsRead = useMarkAsRead();
const markAllAsRead = useMarkAllAsRead();
const deleteNotification = useDeleteNotification();
const deleteBulk = useDeleteNotificationsBulk();
// Selection handlers
const handleSelect = useCallback(
(id: string, checked: boolean) => {
setSelectedIds((prev) => {
const next = new Set(prev);
if (checked) {
next.add(id);
} else {
next.delete(id);
}
return next;
});
},
[],
);
const handleSelectAllInSection = useCallback(
(notifications: NotificationItem[], checked: boolean) => {
setSelectedIds((prev) => {
const next = new Set(prev);
for (const n of notifications) {
if (checked) {
next.add(n.id);
} else {
next.delete(n.id);
}
}
return next;
});
},
[],
);
// Row click
const handleClick = useCallback(
(notification: NotificationItem) => {
if (!notification.readAt) {
markAsRead.mutate(notification.id, {
onError: () => notify.error(GENERIC_ERROR_MESSAGE),
});
}
const url = notification.data?.url as string | undefined;
if (url?.startsWith("/")) {
navigate({ to: url });
}
},
[markAsRead, navigate],
);
// Mark as read
const handleMarkAsRead = useCallback(
(id: string) => {
markAsRead.mutate(id, {
onError: () => notify.error(GENERIC_ERROR_MESSAGE),
});
},
[markAsRead],
);
// Mark all as read
const handleMarkAllAsRead = useCallback(() => {
markAllAsRead.mutate(activeCategory, {
onSuccess: () => {
notify.success("All notifications marked as read");
},
onError: () => {
notify.error(GENERIC_ERROR_MESSAGE);
},
});
}, [markAllAsRead, activeCategory]);
// Delete single
const handleDelete = useCallback(
async (id: string) => {
if (
!(await confirm({
title: "Delete notification",
description:
"Delete this notification? This action cannot be undone.",
confirmLabel: "Delete",
variant: "destructive",
}))
) {
return;
}
deleteNotification.mutate(id, {
onError: () => {
notify.error(GENERIC_ERROR_MESSAGE);
},
});
},
[confirm, deleteNotification],
);
// Delete bulk
const handleDeleteBulk = useCallback(async () => {
const ids = [...selectedIds];
Iif (ids.length === 0) return;
if (
!(await confirm({
title: `Delete ${ids.length} notification${ids.length > 1 ? "s" : ""}`,
description: `Delete ${ids.length} selected notification${ids.length > 1 ? "s" : ""}? This action cannot be undone.`,
confirmLabel: "Delete",
variant: "destructive",
}))
) {
return;
}
deleteBulk.mutate(ids, {
onSuccess: () => {
setSelectedIds(new Set());
notify.success(`${ids.length} notification${ids.length > 1 ? "s" : ""} deleted`);
},
onError: () => {
notify.error(GENERIC_ERROR_MESSAGE);
},
});
}, [selectedIds, confirm, deleteBulk]);
// Load more — increase limit to fetch more items in a single query
const handleLoadMore = useCallback(() => {
setLimit((prev) => prev + 30);
}, []);
// Filter change handlers — reset limit when filters change
const handleCategoryChange = useCallback((selected: Set<string>) => {
setCategoryFilter(selected);
setLimit(30);
}, []);
const handleSearchChange = useCallback(
(e: React.ChangeEvent<HTMLInputElement>) => {
setSearchInput(e.target.value);
setLimit(30);
},
[],
);
// Category counts (from current data set)
const categoryCounts = useMemo(() => {
const counts: Record<string, number> = {
enquiry: 0,
reminder: 0,
milestone: 0,
other: 0,
};
for (const n of allNotifications) {
if (counts[n.category] !== undefined) {
counts[n.category]++;
}
}
return counts;
}, [allNotifications]);
if (isLoading && allNotifications.length === 0) {
return (
<div className="space-y-6">
<div className="flex items-center justify-between">
<Skeleton className="h-8 w-40" />
<Skeleton className="h-9 w-28" />
</div>
<div className="flex flex-wrap gap-2">
<Skeleton className="h-9 w-48" />
<Skeleton className="h-9 w-24" />
<Skeleton className="h-9 w-28" />
</div>
<div className="space-y-2">
<Skeleton className="h-16 w-full" />
<Skeleton className="h-16 w-full" />
<Skeleton className="h-16 w-full" />
</div>
</div>
);
}
const isAllUnreadSelected =
unreadNotifications.length > 0 &&
unreadNotifications.every((n) => selectedIds.has(n.id));
const isAllReadSelected =
readNotifications.length > 0 &&
readNotifications.every((n) => selectedIds.has(n.id));
return (
<div className="space-y-6">
<StickyPageHeader>
<div className="flex items-center justify-between w-full">
<h1 className="text-2xl font-bold text-foreground-default flex items-center gap-2 flex-shrink-0">
<Bell className="h-6 w-6" />
Notifications
</h1>
<div className="flex items-center gap-2">
{unreadCount > 0 && (
<Button
variant="ghost"
size="sm"
onClick={handleMarkAllAsRead}
disabled={markAllAsRead.isPending}
>
{markAllAsRead.isPending ? (
<Loader2 className="h-4 w-4 animate-spin" />
) : (
<CheckCheck className="h-4 w-4" />
)}
<span className="hidden sm:inline">Mark all read</span>
</Button>
)}
{selectedIds.size > 0 && (
<Button
variant="ghost"
size="sm"
onClick={handleDeleteBulk}
disabled={deleteBulk.isPending}
className="text-error hover:text-error"
>
{deleteBulk.isPending ? (
<Loader2 className="h-4 w-4 animate-spin" />
) : (
<Trash2 className="h-4 w-4" />
)}
Delete ({selectedIds.size})
</Button>
)}
</div>
</div>
</StickyPageHeader>
{/* Push notification banner */}
<PushPermissionBanner />
{/* Search & Faceted Filters */}
<div className="space-y-2 sm:space-y-0 sm:flex sm:flex-wrap sm:items-center sm:gap-2">
<div className="relative w-full sm:min-w-0 sm:flex-1 sm:basis-40 sm:max-w-sm">
<Search className="absolute left-3 top-1/2 h-4 w-4 -translate-y-1/2 text-foreground-subtle" />
<Input
placeholder="Filter notifications..."
value={searchInput}
onChange={handleSearchChange}
className="pl-10"
/>
</div>
<div className="flex items-center gap-2">
<FacetedFilter
title="Category"
options={[
{
value: "enquiry",
label: "Enquiry",
icon: <MessageSquare className="h-4 w-4" />,
count: categoryCounts.enquiry,
},
{
value: "reminder",
label: "Reminder",
icon: <Clock className="h-4 w-4" />,
count: categoryCounts.reminder,
},
{
value: "milestone",
label: "Milestone",
icon: <Star className="h-4 w-4" />,
count: categoryCounts.milestone,
},
{
value: "other",
label: "Other",
icon: <Bell className="h-4 w-4" />,
count: categoryCounts.other,
},
]}
selected={categoryFilter}
onChange={handleCategoryChange}
/>
</div>
</div>
{/* Empty states */}
{allNotifications.length === 0 && !isLoading ? (
isError ? (
<EmptyState
icon={Bell}
title="Something went wrong"
description="Could not load notifications. Please try again."
/>
) : debouncedSearch || categoryFilter.size > 0 ? (
<EmptyState
icon={Bell}
title="Nothing here"
description={
activeCategory
? `No ${activeCategory} notifications yet`
: "No notifications match your search"
}
/>
) : (
<EmptyState
icon={Bell}
title="You're all caught up"
description="New enquiries and reminders will show up here"
/>
)
) : (
<div className="space-y-4">
{/* Unread section */}
{unreadNotifications.length > 0 && (
<div className="space-y-2">
<div className="flex items-center gap-3 px-1">
<input
type="checkbox"
checked={isAllUnreadSelected}
onChange={(e) =>
handleSelectAllInSection(
unreadNotifications,
e.target.checked,
)
}
className="h-4 w-4 rounded border-border-strong text-primary-600 focus:ring-primary-500/40 cursor-pointer"
/>
<h2 className="text-sm font-semibold text-foreground-default">
Unread · {unreadNotifications.length}
</h2>
</div>
<div className="space-y-2">
{unreadNotifications.map((notification) => (
<NotificationRow
key={notification.id}
notification={notification}
isSelected={selectedIds.has(notification.id)}
onSelect={handleSelect}
onRead={handleMarkAsRead}
onDelete={handleDelete}
onClick={handleClick}
/>
))}
</div>
</div>
)}
{/* Read section */}
{readNotifications.length > 0 && (
<div className="space-y-2">
<div className="flex items-center gap-3 px-1">
<input
type="checkbox"
checked={isAllReadSelected}
onChange={(e) =>
handleSelectAllInSection(
readNotifications,
e.target.checked,
)
}
className="h-4 w-4 rounded border-border-strong text-primary-600 focus:ring-primary-500/40 cursor-pointer"
/>
<h2 className="text-sm font-semibold text-foreground-muted">
Earlier · {readNotifications.length}
</h2>
</div>
<div className="space-y-2">
{readNotifications.map((notification) => (
<NotificationRow
key={notification.id}
notification={notification}
isSelected={selectedIds.has(notification.id)}
onSelect={handleSelect}
onRead={handleMarkAsRead}
onDelete={handleDelete}
onClick={handleClick}
/>
))}
</div>
</div>
)}
{/* Load more */}
{hasMore && (
<div className="flex justify-center pt-4">
<Button
variant="outline"
onClick={handleLoadMore}
disabled={isLoading}
>
{isLoading ? (
<>
<Loader2 className="h-4 w-4 animate-spin" />
Loading...
</>
) : (
"Load more"
)}
</Button>
</div>
)}
</div>
)}
{confirmDialog}
</div>
);
}
|