export const dynamic = "force-dynamic";

import type { Metadata } from "next";
import Link from "next/link";
import { PageHeader } from "@/components/layout/page-header";
import { buildOgMeta } from "@/lib/og";
import {
  getLetterYears,
  getLetterRecipients,
  getLetterLocations,
  getTotalLetterCount,
} from "@/lib/letters";
import { LettersNav } from "./letters-nav";
import { LettersBrowser } from "./letters-browser";

export function generateMetadata(): Metadata {
  return buildOgMeta({
    title: "Letters",
    detail: "6,800+ letters (1947–1977)",
    quote:
      "Personal correspondence by Śrīla Prabhupāda — guiding disciples, Godbrothers, and well-wishers in the science of Kṛṣṇa consciousness.",
  });
}

export default async function LettersPage({
  searchParams,
}: {
  searchParams: Promise<{ view?: string }>;
}) {
  const { view = "year" } = await searchParams;

  const [years, recipients, locations, totalCount] = await Promise.all([
    getLetterYears(),
    getLetterRecipients(),
    getLetterLocations(),
    getTotalLetterCount(),
  ]);

  return (
    <div className="min-h-screen bg-background">
      <PageHeader>
        <Link
          href="/"
          className="text-sm text-muted-foreground hover:text-foreground transition-colors"
        >
          &larr; Home
        </Link>
        <h1 className="mt-3 text-3xl font-bold text-foreground">Letters</h1>
        <p className="mt-1 text-muted-foreground">
          {totalCount.toLocaleString()} letters by Śrīla Prabhupāda (1947–1977)
        </p>
      </PageHeader>

      <main className="max-w-4xl mx-auto px-6 py-8 space-y-6">
        <LettersNav currentView={view} />

        <LettersBrowser
          currentView={view}
          years={years}
          recipients={recipients}
          locations={locations}
        />
      </main>
    </div>
  );
}