import { NextRequest, NextResponse } from "next/server";
import { users } from "../../mockData";

export async function PUT(
  request: NextRequest,
  { params }: { params: { id: string } }
) {
  const { id } = params;

  if (!id) {
    return NextResponse.json({ error: "User ID is required" }, { status: 400 });
  }

  const body = await request.json();
  const { firstName, lastName, email, phone, role } = body;

  // Find the user by id
  const userIndex = users.findIndex((u) => u.id === id);
  if (userIndex === -1) {
    return NextResponse.json({ error: "User not found" }, { status: 404 });
  }

  // Update the user fields
  users[userIndex] = {
    ...users[userIndex],
    firstName: firstName ?? users[userIndex].firstName,
    lastName: lastName ?? users[userIndex].lastName,
    email: email ?? users[userIndex].email,
    phone: phone ?? users[userIndex].phone,
    authorities: role ? [role] : users[userIndex].authorities,
  };

  return NextResponse.json(users[userIndex], { status: 200 });
}