<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;

class SiswaController extends Controller
{
    private $siswas = [];

    public function index()
    {
        $siswas = session('siswas', []);
        return view('siswa.index', compact('siswas'));
    }

    public function create()
    {
        return view('siswa.create');
    }

    public function store(Request $request)
    {
        $request->validate([
            'nama' => 'required',
            'kelas' => 'required',
            'absen' => 'required|integer',
        ]);

        $siswaBaru = [
            'nama' => $request->nama,
            'kelas' => $request->kelas,
            'absen' => $request->absen,
        ];

        $siswas = session('siswas', []);
        $siswas[] = $siswaBaru;
        session(['siswas' => $siswas]);

        return redirect()->route('siswa.index')->with('success', 'Data berhasil ditambahkan!');
    }

    public function edit($id)
    {
        $siswas = session('siswas', []);
        if (!isset($siswas[$id])) {
            return redirect()->route('siswa.index')->with('error', 'Data tidak ditemukan');
        }
        $siswa = $siswas[$id];

        return view('siswa.edit', compact('siswa', 'id'));
    }

    public function update(Request $request, $id)
    {
        $request->validate([
            'nama' => 'required',
            'kelas' => 'required',
            'absen' => 'required|integer',
        ]);

        $siswas = session('siswas', []);
        if (!isset($siswas[$id])) return redirect()->route('siswa.index')->with('error', 'Data tidak ditemukan');

        $siswas[$id] = [
            'nama' => $request->nama,
            'kelas' => $request->kelas,
            'absen' => $request->absen,
        ];

        session(['siswas' => $siswas]);

        return redirect()->route('siswa.index')->with('success', 'Data berhasil diperbarui!');
    }
    
    public function destroy($id)
    {
        $siswas = session('siswas', []);
        if (!isset($siswas[$id])) return redirect()->route('siswa.index')->with('error', 'Data tidak ditemukan');

        unset($siswas[$id]);
        session(['siswas' => $siswas]);

        return redirect()->route('siswa.index')->with('success', 'Data berhasil dihapus!');
    }
}