import { NextResponse } from "next/server";
import { prisma } from "@/lib/prisma";
import { requireRole } from "@/lib/auth";

type Params = { params: Promise<{ id: string }> };

/** Update a committee. */
export async function PUT(req: Request, { params }: Params) {
  const session = await requireRole("INSTITUTION_ADMIN");
  if (!session || !session.institutionId) {
    return NextResponse.json({ error: "Unauthorized" }, { status: 401 });
  }
  const { id } = await params;
  try {
    const body = await req.json();
    const committee = await prisma.committee.findFirst({
      where: { id: Number(id), institutionId: session.institutionId },
    });
    if (!committee) return NextResponse.json({ error: "Not found" }, { status: 404 });

    const name = String(body.name ?? committee.name).trim();
    if (!name) return NextResponse.json({ error: "Name required" }, { status: 400 });

    await prisma.committee.update({
      where: { id: committee.id },
      data: {
        name,
        nameBn: body.nameBn !== undefined ? String(body.nameBn).trim() || null : committee.nameBn,
        description: body.description !== undefined ? String(body.description).trim() || null : committee.description,
        formedDate:
          body.formedDate !== undefined
            ? body.formedDate
              ? new Date(String(body.formedDate))
              : null
            : committee.formedDate,
        isActive: typeof body.isActive === "boolean" ? body.isActive : committee.isActive,
      },
    });
    return NextResponse.json({ success: true });
  } catch {
    return NextResponse.json({ error: "Could not update committee" }, { status: 500 });
  }
}

/** Delete a committee (members cascade). */
export async function DELETE(_req: Request, { params }: Params) {
  const session = await requireRole("INSTITUTION_ADMIN");
  if (!session || !session.institutionId) {
    return NextResponse.json({ error: "Unauthorized" }, { status: 401 });
  }
  const { id } = await params;
  const committee = await prisma.committee.findFirst({
    where: { id: Number(id), institutionId: session.institutionId },
  });
  if (!committee) return NextResponse.json({ error: "Not found" }, { status: 404 });
  await prisma.committee.delete({ where: { id: committee.id } });
  return NextResponse.json({ success: true });
}