<?php
namespace App\Http\Controllers;

use App\Models\User;
use Illuminate\Http\Request;

class UserController extends Controller
{
    /**
     * Fetch all user names.
     *
     * @return \Illuminate\Http\JsonResponse
     */
    public function index()
    {
        $users = User::select('name')->get();
        return response()->json($users);
    }

    public function store(Request $request)
    {
        $request->validate([
            'name' => 'required|string',
            'email' => 'required|email|unique:users',
            'password' => 'required|string|min:8',
            'role_id' => 'required|exists:roles,id',
            'department_id' => 'nullable|exists:departments,id',
        ]);

        $user = User::create([
            'name' => $request->name,
            'email' => $request->email,
            'password' => bcrypt($request->password),
            'role_id' => $request->role_id,
            'department_id' => $request->department_id,
        ]);

        return $user;
    }

    public function show(User $user)
    {
        return $user->load(['role', 'department']);
    }

    public function update(Request $request, User $user)
    {
        $request->validate([
            'name' => 'sometimes|required|string',
            'email' => 'sometimes|required|email|unique:users,email,' . $user->id,
            'password' => 'nullable|string|min:8',
            'role_id' => 'sometimes|required|exists:roles,id',
            'department_id' => 'nullable|exists:departments,id',
        ]);

        $user->update(array_filter($request->all()));
        return $user->load(['role', 'department']);
    }

    public function destroy(User $user)
    {
        $user->delete();
        return response()->noContent();
    }
}