/**
 * Recherche globale ⌘K — server function.
 *
 * Recherche transversale sur carbets / utilisateurs / réservations /
 * pages éditoriales / prestataires pirogue. Renvoie au max 5 résultats
 * par catégorie pour garder la palette lisible.
 */

import "server-only";
import { prisma } from "@/lib/prisma";

export type SearchHit = {
  type: "carbet" | "user" | "booking" | "page" | "provider";
  id: string;
  title: string;
  subtitle?: string;
  href: string;
};

export async function adminSearch(query: string): Promise<SearchHit[]> {
  const q = query.trim();
  if (q.length < 2) return [];
  const ci = { contains: q, mode: "insensitive" as const };

  const [carbets, users, bookings, pages, providers] = await Promise.all([
    prisma.carbet.findMany({
      where: {
        OR: [{ slug: ci }, { title: ci }, { river: ci }],
      },
      take: 5,
      select: { id: true, slug: true, title: true, river: true, status: true },
    }),
    prisma.user.findMany({
      where: {
        OR: [{ email: ci }, { firstName: ci }, { lastName: ci }],
      },
      take: 5,
      select: { id: true, email: true, firstName: true, lastName: true, role: true },
    }),
    prisma.booking.findMany({
      where: { id: ci },
      take: 5,
      select: { id: true, status: true, startDate: true, endDate: true },
    }),
    prisma.contentPage.findMany({
      where: {
        OR: [{ slug: ci }, { title: ci }],
        lang: "fr",
      },
      take: 5,
      select: { slug: true, title: true, category: true, lang: true },
    }),
    prisma.pirogueProvider.findMany({
      where: { OR: [{ name: ci }] },
      take: 5,
      select: { id: true, name: true, rivers: true },
    }),
  ]);

  const hits: SearchHit[] = [];

  for (const c of carbets) {
    hits.push({
      type: "carbet",
      id: c.id,
      title: c.title,
      subtitle: `${c.river} · ${c.status}`,
      href: `/admin/carbets/${c.id}`,
    });
  }
  for (const u of users) {
    hits.push({
      type: "user",
      id: u.id,
      title: `${u.firstName} ${u.lastName}`.trim() || u.email,
      subtitle: `${u.email} · ${u.role}`,
      href: `/admin/users/${u.id}`,
    });
  }
  for (const b of bookings) {
    hits.push({
      type: "booking",
      id: b.id,
      title: `Réservation ${b.id.slice(0, 8)}`,
      subtitle: `${b.status} · ${b.startDate.toISOString().slice(0, 10)} → ${b.endDate.toISOString().slice(0, 10)}`,
      href: `/admin/bookings/${b.id}`,
    });
  }
  for (const p of pages) {
    hits.push({
      type: "page",
      id: p.slug,
      title: p.title,
      subtitle: `/${p.slug} · ${p.category} · ${p.lang}`,
      href: `/admin/content-pages/${encodeURIComponent(p.slug)}`,
    });
  }
  for (const p of providers) {
    hits.push({
      type: "provider",
      id: p.id,
      title: p.name,
      subtitle: p.rivers.join(" · "),
      href: `/admin/pirogue-providers/${p.id}`,
    });
  }

  return hits;
}