"use server";

import { prisma } from "../lib/prisma";
import { revalidatePath } from "next/cache";

// --- 1. ADD USER ---
export async function addUser(data: {
  name: string;
  email: string;
  pass: string;
}) {
  try {
    const newUser = await prisma.user.create({
      data: {
        name: data.name,
        email: data.email,
        password: data.pass,
      },
    });

    // Refresh the page cache to display the new user immediately
    revalidatePath("/users");
    return { success: true, user: newUser };
  } catch (error) {
    console.error("Failed to add user:", error);
    return {
      success: false,
      error: "Failed to create user. Email may already exist.",
    };
  }
}

// --- 2. EDIT USER ---
export async function editUser(
  id: number,
  data: { name?: string; email?: string; pass?: string },
) {
  try {
    const updatedUser = await prisma.user.update({
      where: { id },
      data: {
        ...(data.name && { name: data.name }),
        ...(data.email && { email: data.email }),
        ...(data.pass && { password: data.pass }),
      },
    });

    revalidatePath("/users");
    return { success: true, user: updatedUser };
  } catch (error) {
    console.error("Failed to update user:", error);
    return { success: false, error: "Failed to update user." };
  }
}

// --- 3. REMOVE USER ---
export async function removeUser(id: number) {
  try {
    const deletedUser = await prisma.user.delete({
      where: { id },
    });

    revalidatePath("/users");
    return { success: true, user: deletedUser };
  } catch (error) {
    console.error("Failed to remove user:", error);
    return { success: false, error: "Failed to remove user." };
  }
}

// --- 4. GET ALL USERS (Helper to render the list) ---
export async function getUsers() {
  return await prisma.user.findMany({
    orderBy: { id: "desc" },
  });
}