import Link from "next/link";
import { listAllSeries } from "@/lib/db/queries";
import { createSeriesAction } from "@/app/actions/entities";
import { Film, Plus, ArrowDownAZ, Hash } from "lucide-react";
import { cn } from "@/lib/utils";

export const dynamic = "force-dynamic";

export default async function SeriesIndexPage({
  searchParams,
}: {
  searchParams: Promise<Record<string, string | string[] | undefined>>;
}) {
  const sp = await searchParams;
  const sort: "az" | "count" = sp.sort === "count" ? "count" : "az";
  const raw = listAllSeries();
  const items = sort === "count"
    ? [...raw].sort((a, b) => b.count - a.count || a.name.localeCompare(b.name))
    : [...raw].sort((a, b) => a.name.localeCompare(b.name));
  return (
    <div className="max-w-[1600px] mx-auto px-6 py-6 fade-in">
      <div className="flex items-center justify-between mb-6">
        <div>
          <h1 className="text-3xl font-semibold tracking-tight">Series</h1>
          <p className="text-[var(--color-fg-dim)] mt-1">{items.length} total</p>
        </div>
        <div className="flex items-center gap-2">
          <div className="flex items-center rounded-lg glass overflow-hidden text-xs">
            <Link
              href="/series"
              className={cn(
                "flex items-center gap-1 px-2.5 py-1.5",
                sort === "az"
                  ? "bg-[var(--color-cyan)] text-black font-medium"
                  : "text-[var(--color-fg-dim)] hover:text-[var(--color-fg)] hover:bg-[var(--color-glass)]",
              )}
              title="Sort A → Z"
            >
              <ArrowDownAZ className="w-3.5 h-3.5" /> A-Z
            </Link>
            <Link
              href="/series?sort=count"
              className={cn(
                "flex items-center gap-1 px-2.5 py-1.5",
                sort === "count"
                  ? "bg-[var(--color-cyan)] text-black font-medium"
                  : "text-[var(--color-fg-dim)] hover:text-[var(--color-fg)] hover:bg-[var(--color-glass)]",
              )}
              title="Sort by cover count"
            >
              <Hash className="w-3.5 h-3.5" /> Count
            </Link>
          </div>
          <form action={createSeriesAction} className="flex items-center gap-2">
            <input
              name="name"
              placeholder="New series"
              required
              maxLength={120}
              className="glass rounded-lg px-3 py-1.5 text-sm outline-none focus:border-[var(--color-cyan)] w-56"
            />
            <button className="flex items-center gap-1 text-sm px-3 py-1.5 rounded-lg bg-[var(--color-cyan)] text-black font-medium">
              <Plus className="w-4 h-4" /> Create
            </button>
          </form>
        </div>
      </div>

      {items.length === 0 ? (
        <div className="glass rounded-2xl p-card text-center">
          <Film className="w-8 h-8 mx-auto text-[var(--color-fg-dim)] mb-label" />
          <p className="text-[var(--color-fg-dim)]">No series yet. Create one above or add from any cover.</p>
        </div>
      ) : (
        <div className="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-3 xl:grid-cols-4 gap-3">
          {items.map((s) => (
            <Link key={s.id} href={`/series/${s.slug}`} className="glass glass-hover rounded-xl p-4 flex items-center justify-between gap-3">
              <span className="font-medium truncate">{s.name}</span>
              <span className="text-xs font-mono text-[var(--color-fg-muted)] tabular-nums">{s.count}</span>
            </Link>
          ))}
        </div>
      )}
    </div>
  );
}