<?php

namespace App\Http\Controllers\Admin;

use App\Http\Controllers\Controller;
use App\Models\Department;
use Illuminate\Http\Request;
use Inertia\Inertia;

class DepartmentController extends Controller
{
    public function index()
    {
        return Inertia::render('admin/departments/index', [
            'departments' => Department::withCount('employees')->latest()->get(),
        ]);
    }

    public function create()
    {
        return Inertia::render('admin/departments/create');
    }

    public function store(Request $request)
    {
        $validated = $request->validate([
            'name' => 'required|string|max:255|unique:departments,name',
            'description' => 'nullable|string',
        ]);

        Department::create($validated);

        return redirect()->to('/admin/departments')
            ->with('success', 'Departemen berhasil ditambahkan.');
    }

    public function edit(Department $department)
    {
        return Inertia::render('admin/departments/edit', [
            'department' => $department
        ]);
    }

    public function update(Request $request, Department $department)
    {
        $validated = $request->validate([
            'name' => 'required|string|max:255|unique:departments,name,' . $department->id,
            'description' => 'nullable|string',
        ]);

        $department->update($validated);

        return redirect()->to('/admin/departments')
            ->with('success', 'Departemen berhasil diperbarui.');
    }

    public function destroy(Department $department)
    {
        // Cek jika departemen masih punya karyawan
        if ($department->employees()->count() > 0) {
            return back()->with('error', 'Gagal hapus! Departemen ini masih memiliki karyawan.');
        }

        $department->delete();

        return back()->with('success', 'Departemen berhasil dihapus.');
    }
}