import { NextRequest, NextResponse } from "next/server";
import { prisma } from "@/lib/prisma";
import { requireAdmin, requireAuth } from "@/lib/session";

export async function GET(req: NextRequest) {
  const session = await requireAuth();
  if (!session) return NextResponse.json({ error: "Non autorisé" }, { status: 401 });

  try {
    if (session.user.role === "ADMIN") {
      const attendances = await prisma.yogaAttendance.findMany({
        orderBy: { date: "desc" },
        include: { profile: { include: { user: { select: { id: true, name: true, email: true } } } } },
      });
      return NextResponse.json(attendances);
    }

    const profile = await prisma.yogaProfile.findUnique({
      where: { userId: session.user.id },
      include: { attendances: { orderBy: { date: "desc" } } },
    });
    if (!profile) return NextResponse.json({ error: "Profil yoga introuvable" }, { status: 404 });
    return NextResponse.json(profile);
  } catch {
    return NextResponse.json({ error: "Erreur" }, { status: 500 });
  }
}

export async function POST(req: NextRequest) {
  const admin = await requireAdmin();
  if (!admin) return NextResponse.json({ error: "Admin requis" }, { status: 403 });

  const { userId, pricePaid, notes } = await req.json();
  if (!userId) return NextResponse.json({ error: "userId requis" }, { status: 400 });

  try {
    const profile = await prisma.yogaProfile.upsert({
      where: { userId },
      update: {},
      create: { userId },
    });

    if (profile.sessionsRemaining <= 0) {
      return NextResponse.json({ error: "Le membre n'a plus de séances restantes" }, { status: 400 });
    }

    const attendance = await prisma.yogaAttendance.create({
      data: {
        profileId: profile.id,
        pricePaid: pricePaid ? Number(pricePaid) : null,
        notes: notes || null,
      },
    });

    await prisma.yogaProfile.update({
      where: { id: profile.id },
      data: { sessionsRemaining: { decrement: 1 } },
    });

    return NextResponse.json(attendance, { status: 201 });
  } catch (error) {
    console.error(error);
    return NextResponse.json({ error: "Erreur" }, { status: 500 });
  }
}