export const dynamic = "force-dynamic";

import Link from "next/link";
import { notFound } from "next/navigation";
import { getLettersByYear } from "@/lib/letters";
import { PageHeader } from "@/components/page-header";
import { Card, CardContent } from "@/components/ui/card";

export default async function LettersByYearPage({
  params,
}: {
  params: Promise<{ year: string }>;
}) {
  const { year: yearStr } = await params;
  const year = parseInt(yearStr, 10);
  if (isNaN(year)) notFound();

  const letters = await getLettersByYear(year);
  if (letters.length === 0) notFound();

  return (
    <div className="min-h-screen bg-background">
      <PageHeader>
        <Link
          href="/letters?view=year"
          className="text-sm text-muted-foreground hover:text-foreground transition-colors"
        >
          &larr; Letters by Year
        </Link>
        <h1 className="mt-3 text-3xl font-bold text-foreground">
          Letters from {year}
        </h1>
        <p className="mt-1 text-muted-foreground">
          {letters.length} {letters.length === 1 ? "letter" : "letters"}
        </p>
      </PageHeader>

      <main className="max-w-3xl mx-auto px-6 py-8">
        <Card className="divide-y divide-border">
          <CardContent className="p-0">
            <ul className="divide-y divide-border">
              {letters.map((letter) => (
                <li key={letter.slug}>
                  <Link
                    href={`/letters/${letter.slug}`}
                    className="flex flex-col sm:flex-row sm:items-center sm:justify-between px-5 py-4 gap-1 sm:gap-4 hover:bg-muted transition-colors"
                  >
                    <div className="min-w-0">
                      <p className="font-medium text-foreground">
                        To: {letter.recipientDisplay}
                      </p>
                      <p className="text-sm text-muted-foreground">
                        {letter.date}
                        {letter.location ? ` · ${letter.location}` : ""}
                      </p>
                    </div>
                  </Link>
                </li>
              ))}
            </ul>
          </CardContent>
        </Card>
      </main>
    </div>
  );
}