import { NextResponse } from "next/server";
import { auth } from "@/lib/auth";
import { prisma } from "@/lib/prisma";
import { Role } from "@/prisma/generated/prisma/client";

export async function GET() {
  try {
    const session = await auth();

    if (!session?.user || session.user.role !== Role.ADMIN) {
      return NextResponse.json({ error: "Accès refusé" }, { status: 403 });
    }

    // Récupérer toutes les préférences utilisateur
    const preferences = await prisma.userPreferences.findMany({
      include: {
        user: {
          select: {
            id: true,
            username: true,
            email: true,
          },
        },
      },
    });

    return NextResponse.json(preferences);
  } catch (error) {
    console.error("Error fetching admin preferences:", error);
    return NextResponse.json(
      { error: "Erreur lors de la récupération des préférences" },
      { status: 500 }
    );
  }
}

export async function PUT(request: Request) {
  try {
    const session = await auth();

    if (!session?.user || session.user.role !== Role.ADMIN) {
      return NextResponse.json({ error: "Accès refusé" }, { status: 403 });
    }

    const body = await request.json();
    const { userId, homeBackground, eventsBackground, leaderboardBackground } =
      body;

    if (!userId) {
      return NextResponse.json({ error: "userId requis" }, { status: 400 });
    }

    const preferences = await prisma.userPreferences.upsert({
      where: { userId },
      update: {
        homeBackground: homeBackground ?? undefined,
        eventsBackground: eventsBackground ?? undefined,
        leaderboardBackground: leaderboardBackground ?? undefined,
      },
      create: {
        userId,
        homeBackground: homeBackground ?? null,
        eventsBackground: eventsBackground ?? null,
        leaderboardBackground: leaderboardBackground ?? null,
      },
    });

    return NextResponse.json(preferences);
  } catch (error) {
    console.error("Error updating admin preferences:", error);
    return NextResponse.json(
      { error: "Erreur lors de la mise à jour des préférences" },
      { status: 500 }
    );
  }
}