<?php

namespace App\Http\Controllers\Api;

use App\Http\Controllers\Controller;
use Illuminate\Http\Request;
use Carbon\Carbon;

use App\Models\Department;

class DepartmentController extends Controller
{
    /**
     * GET /Departments
     * Query params:
     *  - departmentName (string)
     *  - updatedSince   (date-time)
     */
    public function index(Request $request) {
        $q = Department::query();

        if ($name = $request->query('departmentName')) {
            $q->where('name', $name);
        }

        if ($since = $request->query('updatedSince')) {
            $q->where('updated_at', '>=', Carbon::parse($since));
        }

        $out = $q->get()->map(function ($d) {
            return [
                'Id'      => $d->id,
                'Name'    => $d->name,
                'Updated' => $d->updated_at->toIso8601String().'Z',
            ];
        });

        return response()->json($out);
    }

    /**
     * GET /Departments/{id}
     */
    public function show(int $id) {
        $d = Department::findOrFail($id);

        return response()->json([
            'Id'      => $d->id,
            'Name'    => $d->name,
            'Updated' => $d->updated_at->toIso8601String().'Z',
        ]);
    }
}