feat: add policy pages
This commit is contained in:
gosangam
@@ -0,0 +1,455 @@
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"use client";
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import { useState, useMemo, useRef, useEffect } from "react";
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import Link from "next/link";
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import { Card, CardContent } from "@/components/ui/card";
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import { Badge } from "@/components/ui/badge";
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import { Input } from "@/components/ui/input";
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import { cn } from "@/lib/utils";
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import {
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Search,
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ChevronLeft,
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ChevronRight,
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ArrowUpDown,
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ArrowDownAZ,
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ArrowUpAZ,
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Hash,
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Check,
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} from "lucide-react";
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// ---------------------------------------------------------------------------
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// Types
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// ---------------------------------------------------------------------------
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export type YearGroup = { year: number; count: number };
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export type RecipientGroup = { name: string; count: number };
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export type LocationGroup = { name: string; count: number };
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type SortMode = "count" | "asc" | "desc";
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// ---------------------------------------------------------------------------
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// Diacritic-aware normalize (matches books-grid pattern)
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// ---------------------------------------------------------------------------
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function normalize(text: string): string {
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return text
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.toLowerCase()
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.replace(/ṛ/g, "r")
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.replace(/ṝ/g, "r")
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.replace(/ṣ/g, "s")
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.replace(/ś/g, "s")
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.replace(/ṭ/g, "t")
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.replace(/ḍ/g, "d")
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.replace(/ṇ/g, "n")
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.replace(/ñ/g, "n")
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.replace(/ṅ/g, "n")
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.replace(/ḥ/g, "h")
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.replace(/ṁ/g, "m")
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.replace(/ṃ/g, "m")
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.replace(/ḷ/g, "l")
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.replace(/ā/g, "a")
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.replace(/ī/g, "i")
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.replace(/ū/g, "u")
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.normalize("NFD")
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.replace(/[\u0300-\u036f]/g, "");
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}
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// ---------------------------------------------------------------------------
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// Sort Popover
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// ---------------------------------------------------------------------------
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const SORT_OPTIONS: { key: SortMode; label: string; icon: typeof Hash }[] = [
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{ key: "count", label: "Most letters first", icon: Hash },
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{ key: "asc", label: "A → Z", icon: ArrowDownAZ },
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{ key: "desc", label: "Z → A", icon: ArrowUpAZ },
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];
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const SORT_OPTIONS_YEAR: { key: SortMode; label: string; icon: typeof Hash }[] =
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[
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{ key: "count", label: "Most letters first", icon: Hash },
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{ key: "asc", label: "Oldest first", icon: ArrowDownAZ },
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{ key: "desc", label: "Newest first", icon: ArrowUpAZ },
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];
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function SortPopover({
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sort,
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onSortChange,
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isYear,
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}: {
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sort: SortMode;
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onSortChange: (s: SortMode) => void;
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isYear?: boolean;
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}) {
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const [open, setOpen] = useState(false);
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const ref = useRef<HTMLDivElement>(null);
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// Close on outside click
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useEffect(() => {
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if (!open) return;
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function handleClick(e: MouseEvent) {
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if (ref.current && !ref.current.contains(e.target as Node)) {
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setOpen(false);
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}
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}
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document.addEventListener("mousedown", handleClick);
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return () => document.removeEventListener("mousedown", handleClick);
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}, [open]);
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const options = isYear ? SORT_OPTIONS_YEAR : SORT_OPTIONS;
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return (
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<div ref={ref} className="relative">
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<button
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onClick={() => setOpen(!open)}
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className={cn(
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"flex items-center justify-center size-10 rounded-lg border transition-colors",
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open
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? "bg-primary/10 border-primary/30 text-primary"
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: "border-border text-muted-foreground hover:bg-muted hover:text-foreground",
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)}
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title="Sort options"
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aria-label="Sort options"
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>
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<ArrowUpDown className="size-4" />
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</button>
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{open && (
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<div className="absolute right-0 top-12 z-50 w-52 rounded-lg border border-border bg-card shadow-lg py-1 animate-in fade-in-0 zoom-in-95">
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{options.map((opt) => {
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const Icon = opt.icon;
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const isActive = sort === opt.key;
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return (
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<button
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key={opt.key}
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onClick={() => {
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onSortChange(opt.key);
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setOpen(false);
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}}
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className={cn(
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"flex items-center gap-3 w-full px-3 py-2.5 text-sm transition-colors text-left",
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isActive
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? "bg-primary/10 text-primary font-medium"
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: "text-foreground hover:bg-muted",
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)}
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>
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<Icon className="size-4 shrink-0" />
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<span className="flex-1">{opt.label}</span>
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{isActive && <Check className="size-3.5 shrink-0" />}
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</button>
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);
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})}
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</div>
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)}
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</div>
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);
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}
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// ---------------------------------------------------------------------------
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// Pagination
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// ---------------------------------------------------------------------------
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const PAGE_SIZE_RECIPIENTS = 50;
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const PAGE_SIZE_LOCATIONS = 60;
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const PAGE_SIZE_YEARS = 100;
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function Pagination({
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page,
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totalPages,
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onPageChange,
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}: {
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page: number;
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totalPages: number;
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onPageChange: (p: number) => void;
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}) {
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if (totalPages <= 1) return null;
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return (
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<div className="flex items-center justify-center gap-3 pt-4">
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<button
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onClick={() => onPageChange(page - 1)}
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disabled={page <= 1}
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className={cn(
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"flex items-center gap-1 px-3 py-1.5 rounded-md text-sm font-medium transition-colors",
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page <= 1
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? "text-muted-foreground/40 cursor-not-allowed"
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: "text-muted-foreground hover:bg-muted hover:text-foreground",
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)}
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>
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<ChevronLeft className="size-4" />
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Previous
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</button>
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<span className="text-sm text-muted-foreground">
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Page {page} of {totalPages}
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</span>
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<button
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onClick={() => onPageChange(page + 1)}
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disabled={page >= totalPages}
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className={cn(
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"flex items-center gap-1 px-3 py-1.5 rounded-md text-sm font-medium transition-colors",
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page >= totalPages
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? "text-muted-foreground/40 cursor-not-allowed"
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: "text-muted-foreground hover:bg-muted hover:text-foreground",
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)}
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>
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Next
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<ChevronRight className="size-4" />
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</button>
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</div>
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);
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}
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// ---------------------------------------------------------------------------
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// Sorting helpers
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// ---------------------------------------------------------------------------
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function sortYears(data: YearGroup[], mode: SortMode): YearGroup[] {
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const sorted = [...data];
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switch (mode) {
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case "count":
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return sorted.sort((a, b) => b.count - a.count);
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case "asc":
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return sorted.sort((a, b) => a.year - b.year);
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case "desc":
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return sorted.sort((a, b) => b.year - a.year);
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}
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}
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function sortRecipients(
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data: RecipientGroup[],
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mode: SortMode,
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): RecipientGroup[] {
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const sorted = [...data];
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switch (mode) {
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case "count":
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return sorted.sort((a, b) => b.count - a.count);
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case "asc":
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return sorted.sort((a, b) => a.name.localeCompare(b.name));
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case "desc":
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return sorted.sort((a, b) => b.name.localeCompare(a.name));
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}
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}
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function sortLocations(data: LocationGroup[], mode: SortMode): LocationGroup[] {
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const sorted = [...data];
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switch (mode) {
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case "count":
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return sorted.sort((a, b) => b.count - a.count);
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case "asc":
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return sorted.sort((a, b) => a.name.localeCompare(b.name));
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case "desc":
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return sorted.sort((a, b) => b.name.localeCompare(a.name));
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}
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}
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// ---------------------------------------------------------------------------
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// Component
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// ---------------------------------------------------------------------------
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export function LettersBrowser({
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currentView,
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years,
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recipients,
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locations,
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}: {
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currentView: string;
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years: YearGroup[];
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recipients: RecipientGroup[];
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locations: LocationGroup[];
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}) {
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const [query, setQuery] = useState("");
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const [page, setPage] = useState(1);
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const [sortYear, setSortYear] = useState<SortMode>("asc");
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const [sortRecipient, setSortRecipient] = useState<SortMode>("count");
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const [sortLocation, setSortLocation] = useState<SortMode>("count");
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const handleQueryChange = (q: string) => {
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setQuery(q);
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setPage(1);
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};
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const handleSortChange = (mode: SortMode) => {
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if (currentView === "year") setSortYear(mode);
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else if (currentView === "recipient") setSortRecipient(mode);
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else setSortLocation(mode);
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setPage(1);
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};
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const currentSort =
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currentView === "year"
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? sortYear
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: currentView === "recipient"
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? sortRecipient
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: sortLocation;
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// --- Filtered + sorted data ---
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const filteredYears = useMemo(() => {
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let data = years;
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if (query.trim()) {
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const q = normalize(query.trim());
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data = data.filter((yg) => String(yg.year).includes(q));
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}
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return sortYears(data, sortYear);
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}, [years, query, sortYear]);
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const filteredRecipients = useMemo(() => {
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let data = recipients;
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if (query.trim()) {
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const q = normalize(query.trim());
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data = data.filter((rg) => normalize(rg.name).includes(q));
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}
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return sortRecipients(data, sortRecipient);
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}, [recipients, query, sortRecipient]);
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const filteredLocations = useMemo(() => {
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let data = locations;
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if (query.trim()) {
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const q = normalize(query.trim());
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data = data.filter((lg) => normalize(lg.name).includes(q));
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}
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return sortLocations(data, sortLocation);
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}, [locations, query, sortLocation]);
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// --- Paginated data ---
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const activeData =
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currentView === "year"
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? filteredYears
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: currentView === "recipient"
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? filteredRecipients
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: filteredLocations;
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const pageSize =
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currentView === "year"
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? PAGE_SIZE_YEARS
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: currentView === "recipient"
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? PAGE_SIZE_RECIPIENTS
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: PAGE_SIZE_LOCATIONS;
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const totalPages = Math.max(1, Math.ceil(activeData.length / pageSize));
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const safePage = Math.min(page, totalPages);
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const startIdx = (safePage - 1) * pageSize;
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const endIdx = startIdx + pageSize;
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const placeholder =
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currentView === "year"
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? "Search years..."
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: currentView === "recipient"
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? "Search recipients..."
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: "Search locations...";
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const resultCount = activeData.length;
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const totalCount =
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currentView === "year"
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? years.length
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: currentView === "recipient"
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? recipients.length
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: locations.length;
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return (
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<div className="space-y-4">
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{/* Search + Sort */}
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<div className="flex gap-2">
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<div className="relative flex-1">
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<Search className="absolute left-3 top-1/2 -translate-y-1/2 size-4 text-muted-foreground" />
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<Input
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type="text"
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placeholder={placeholder}
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value={query}
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onChange={(e) => handleQueryChange(e.target.value)}
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className="pl-9"
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/>
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</div>
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<SortPopover
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sort={currentSort}
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onSortChange={handleSortChange}
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isYear={currentView === "year"}
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/>
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</div>
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{/* Result count */}
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{query.trim() && (
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<p className="text-sm text-muted-foreground">
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{resultCount === 0
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? "No results found"
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: `${resultCount} of ${totalCount} ${currentView === "year" ? "years" : currentView === "recipient" ? "recipients" : "locations"}`}
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</p>
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)}
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{/* Year view */}
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{currentView === "year" && (
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<div className="grid grid-cols-2 sm:grid-cols-3 md:grid-cols-4 lg:grid-cols-5 gap-3">
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{(filteredYears.slice(startIdx, endIdx) as YearGroup[]).map((yg) => (
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<Link key={yg.year} href={`/letters/year/${yg.year}`}>
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<Card className="transition-all hover:shadow-md hover:ring-foreground/20">
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<CardContent className="py-4 px-4 text-center">
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<p className="text-lg font-bold text-foreground">{yg.year}</p>
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<p className="text-xs text-muted-foreground">
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{yg.count} {yg.count === 1 ? "letter" : "letters"}
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</p>
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</CardContent>
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</Card>
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</Link>
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))}
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</div>
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)}
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{/* Recipient view */}
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{currentView === "recipient" && (
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<div className="grid grid-cols-2 md:grid-cols-3 gap-3">
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{(filteredRecipients.slice(startIdx, endIdx) as RecipientGroup[]).map(
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(rg) => (
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<Link
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key={rg.name}
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href={`/letters/recipient/${encodeURIComponent(rg.name)}`}
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>
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<Card className="transition-all hover:shadow-md hover:ring-foreground/20">
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<CardContent className="py-4 px-4 text-center">
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<p className="font-medium text-foreground truncate">
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{rg.name}
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</p>
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<p className="text-xs text-muted-foreground">
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{rg.count} {rg.count === 1 ? "letter" : "letters"}
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</p>
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</CardContent>
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</Card>
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</Link>
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),
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)}
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</div>
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)}
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{/* Location view */}
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{currentView === "location" && (
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<div className="grid grid-cols-2 md:grid-cols-3 gap-3">
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{(filteredLocations.slice(startIdx, endIdx) as LocationGroup[]).map(
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(lg) => (
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<Link
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key={lg.name}
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href={`/letters/location/${encodeURIComponent(lg.name)}`}
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>
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<Card className="transition-all hover:shadow-md hover:ring-foreground/20">
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<CardContent className="py-4 px-4 text-center">
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<p className="font-medium text-foreground">{lg.name}</p>
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<p className="text-xs text-muted-foreground">
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{lg.count} {lg.count === 1 ? "letter" : "letters"}
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</p>
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</CardContent>
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</Card>
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</Link>
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),
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)}
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</div>
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)}
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{/* Pagination */}
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<Pagination
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page={safePage}
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totalPages={totalPages}
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onPageChange={setPage}
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/>
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</div>
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);
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}
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