import Link from "next/link";
import { prisma } from "@/lib/prisma";

export default async function PromptsPage({
  searchParams,
}: {
  searchParams: Promise<{
    query?: string;
    entity?: string;
    tag?: string;
    model?: string;
    sort?: "new" | "popular";
  }>;
}) {
  const sp = await searchParams;
  const query = (sp.query ?? "").trim();
  const entity = (sp.entity ?? "").trim();
  const tag = (sp.tag ?? "").trim();
  const model = (sp.model ?? "").trim();
  const sort = sp.sort === "popular" ? "popular" : "new";

  const [entities, tags, models, prompts] = await Promise.all([
    prisma.entity.findMany({
      where: { isPublished: true },
      orderBy: { name: "asc" },
      take: 100,
      select: { slug: true, name: true },
    }),
    prisma.tag.findMany({
      orderBy: { name: "asc" },
      take: 200,
      select: { slug: true, name: true },
    }),
    prisma.promptModel.findMany({
      orderBy: { name: "asc" },
      take: 100,
      select: { slug: true, name: true, provider: true },
    }),
    prisma.prompt.findMany({
      where: {
        isPublished: true,
        ...(entity ? { entity: { slug: entity } } : {}),
        ...(model ? { model: { slug: model } } : {}),
        ...(tag ? { tags: { some: { tag: { slug: tag } } } } : {}),
        ...(query
          ? {
              OR: [
                { title: { contains: query, mode: "insensitive" } },
                { descriptionMd: { contains: query, mode: "insensitive" } },
              ],
            }
          : {}),
      },
      orderBy:
        sort === "popular"
          ? { likes: { _count: "desc" } }
          : { createdAt: "desc" },
      take: 50,
      select: {
        id: true,
        title: true,
        descriptionMd: true,
        createdAt: true,
        entity: { select: { slug: true, name: true } },
        model: { select: { slug: true, name: true, provider: true } },
        tags: { select: { tag: { select: { slug: true, name: true } } } },
        _count: { select: { likes: true, comments: true, bookmarks: true } },
      },
    }),
  ]);

  return (
    <div className="min-h-screen bg-zinc-50">
      <div className="mx-auto max-w-5xl px-6 py-10">
        <div className="flex flex-col gap-6">
          <div className="flex items-center justify-between">
            <div className="flex flex-col">
              <p className="text-sm font-medium text-zinc-500">모프</p>
              <h1 className="text-2xl font-semibold tracking-tight">
                프롬프트 검색
              </h1>
            </div>
            <Link
              href="/entities"
              className="text-sm font-semibold text-zinc-900 underline underline-offset-4"
            >
              대상으로 이동
            </Link>
          </div>

          <form className="rounded-2xl border border-zinc-200 bg-white p-4">
            <div className="grid gap-3 md:grid-cols-4">
              <div className="md:col-span-2">
                <label className="block text-xs font-semibold text-zinc-700">
                  키워드
                </label>
                <input
                  name="query"
                  defaultValue={query}
                  placeholder="예: 요약, 코드 리뷰, STAR…"
                  className="mt-2 h-11 w-full rounded-xl border border-zinc-200 bg-white px-4 text-sm outline-none focus:border-zinc-400"
                />
              </div>

              <div>
                <label className="block text-xs font-semibold text-zinc-700">
                  대상(Entity)
                </label>
                <select
                  name="entity"
                  defaultValue={entity}
                  className="mt-2 h-11 w-full rounded-xl border border-zinc-200 bg-white px-3 text-sm outline-none focus:border-zinc-400"
                >
                  <option value="">전체</option>
                  {entities.map((e) => (
                    <option key={e.slug} value={e.slug}>
                      {e.name}
                    </option>
                  ))}
                </select>
              </div>

              <div>
                <label className="block text-xs font-semibold text-zinc-700">
                  정렬
                </label>
                <select
                  name="sort"
                  defaultValue={sort}
                  className="mt-2 h-11 w-full rounded-xl border border-zinc-200 bg-white px-3 text-sm outline-none focus:border-zinc-400"
                >
                  <option value="new">최신</option>
                  <option value="popular">인기(좋아요)</option>
                </select>
              </div>
            </div>

            <div className="mt-3 grid gap-3 md:grid-cols-3">
              <div>
                <label className="block text-xs font-semibold text-zinc-700">
                  태그
                </label>
                <select
                  name="tag"
                  defaultValue={tag}
                  className="mt-2 h-11 w-full rounded-xl border border-zinc-200 bg-white px-3 text-sm outline-none focus:border-zinc-400"
                >
                  <option value="">전체</option>
                  {tags.map((t) => (
                    <option key={t.slug} value={t.slug}>
                      {t.name}
                    </option>
                  ))}
                </select>
              </div>

              <div>
                <label className="block text-xs font-semibold text-zinc-700">
                  모델
                </label>
                <select
                  name="model"
                  defaultValue={model}
                  className="mt-2 h-11 w-full rounded-xl border border-zinc-200 bg-white px-3 text-sm outline-none focus:border-zinc-400"
                >
                  <option value="">전체</option>
                  {models.map((m) => (
                    <option key={m.slug} value={m.slug}>
                      {m.name}
                    </option>
                  ))}
                </select>
              </div>

              <div className="flex items-end gap-2">
                <button
                  type="submit"
                  className="h-11 w-full rounded-xl bg-zinc-900 px-4 text-sm font-semibold text-white hover:bg-zinc-800"
                >
                  적용
                </button>
                <Link
                  href="/prompts"
                  className="inline-flex h-11 shrink-0 items-center justify-center rounded-xl border border-zinc-200 bg-white px-4 text-sm font-semibold text-zinc-900 hover:bg-zinc-50"
                >
                  초기화
                </Link>
              </div>
            </div>
          </form>

          <div className="rounded-2xl border border-zinc-200 bg-white p-6">
            <div className="flex items-center justify-between">
              <h2 className="text-lg font-semibold">결과</h2>
              <p className="text-sm text-zinc-500">{prompts.length}개</p>
            </div>

            <div className="mt-4 grid gap-4">
              {prompts.map((p) => (
                <Link
                  key={p.id}
                  href={`/prompts/${p.id}`}
                  className="rounded-2xl border border-zinc-200 bg-zinc-50 p-5 hover:bg-white"
                >
                  <div className="flex items-start justify-between gap-4">
                    <div className="flex flex-col gap-1">
                      <p className="text-sm font-semibold">{p.title}</p>
                      <p className="text-xs text-zinc-500">
                        {p.entity.name}
                        {p.model ? ` · ${p.model.name}` : ""}
                      </p>
                    </div>
                    <div className="text-right text-xs text-zinc-600">
                      <p>좋아요 {p._count.likes}</p>
                      <p>댓글 {p._count.comments}</p>
                      <p>북마크 {p._count.bookmarks}</p>
                    </div>
                  </div>

                  {p.descriptionMd ? (
                    <p className="mt-2 line-clamp-2 text-sm text-zinc-700">
                      {p.descriptionMd}
                    </p>
                  ) : null}

                  {p.tags.length ? (
                    <div className="mt-3 flex flex-wrap gap-2">
                      {p.tags.map((t) => (
                        <span
                          key={t.tag.slug}
                          className="rounded-full border border-zinc-200 bg-white px-2 py-0.5 text-xs text-zinc-700"
                        >
                          #{t.tag.name}
                        </span>
                      ))}
                    </div>
                  ) : null}
                </Link>
              ))}
              {!prompts.length ? (
                <div className="rounded-2xl border border-zinc-200 bg-white p-6 text-sm text-zinc-600">
                  결과가 없습니다. 필터를 줄이거나 키워드를 바꿔보세요.
                </div>
              ) : null}
            </div>
          </div>

          <div className="rounded-2xl border border-zinc-200 bg-white p-5">
            <p className="text-sm font-semibold">API</p>
            <p className="mt-1 text-sm text-zinc-600">
              검색 API:{" "}
              <code className="rounded bg-zinc-50 px-1">/api/prompts</code>
            </p>
          </div>
        </div>
      </div>
    </div>
  );
}