<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use App\Models\DataTraining;
use App\Services\PreprocessingService;

class DataTrainingController extends Controller
{
    protected $preprocessing;

    // Inject PreprocessingService ke controller
    public function __construct(PreprocessingService $preprocessing)
    {
        $this->preprocessing = $preprocessing;
    }

    public function index()
    {
        $data = DataTraining::all();
        return view('training.index', compact('data'));
    }

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

    public function store(Request $request)
    {
        // 1. Tambahkan validasi untuk mapel_favorit
        $request->validate([
            'nilai'            => 'required|numeric',
            'mapel_favorit'    => 'required|string', // [DITAMBAHKAN]
            'minat'            => 'required|string',
            'cita_cita'        => 'required|string',
            'preferensi_studi' => 'required|string',
            'jurusan'          => 'required|string'
        ]);

        // 2. Ambil nilai input asli dari form
        $nilaiRaw = $request->input('nilai');
        $mapelRaw = $request->input('mapel_favorit'); // [DITAMBAHKAN]
        $minatRaw = $request->input('minat');
        $citaRaw  = $request->input('cita_cita');
        $studiRaw = $request->input('preferensi_studi');
        $jurusan  = $request->input('jurusan');

        // 3. Konversi menggunakan PreprocessingService yang sudah dipetakan
        $nilaiKategori = $this->preprocessing->kategoriNilai($nilaiRaw);
        $minatKategori = $this->preprocessing->kategoriMinat($minatRaw);
        $citaKategori  = $this->preprocessing->kategoriCitaCita($citaRaw);
        $studiKategori = $this->preprocessing->kategoriPreferensi($studiRaw);

        // 4. Simpan data teks asli (_raw) dan data hasil konversi ke database
        DataTraining::create([
            'nilai_raw'            => $nilaiRaw,
            'mapel_favorit_raw'    => $mapelRaw, // [DITAMBAHKAN]
            'minat_raw'            => $minatRaw,
            'cita_cita_raw'        => $citaRaw,
            'preferensi_studi_raw' => $studiRaw,
            
            'nilai'            => $nilaiKategori,
            'mapel_favorit'    => $mapelRaw, // [DITAMBAHKAN] jika berupa pilihan dropdown langsung
            'minat'            => $minatKategori,
            'cita_cita'        => $citaKategori,
            'preferensi_studi' => $studiKategori,
            'jurusan'          => $jurusan
        ]);

        return redirect()->route('training.index')->with('success', 'Data Latih Berhasil Dikonversi & Disimpan.');
    }

    public function edit(string $id)
    {
        $data = DataTraining::findOrFail($id);
        return view('training.edit', compact('data'));
    }

    public function update(Request $request, string $id)
    {
        // 1. Tambahkan validasi untuk mapel_favorit
        $request->validate([
            'nilai'            => 'required|numeric',
            'mapel_favorit'    => 'required|string', // [DITAMBAHKAN]
            'minat'            => 'required|string',
            'cita_cita'        => 'required|string',
            'preferensi_studi' => 'required|string',
            'jurusan'          => 'required|string'
        ]);

        $data = DataTraining::findOrFail($id);

        // 2. Update baik data mentah (_raw) maupun data hasil konversinya
        $data->update([
            'nilai_raw'            => $request->nilai,
            'mapel_favorit_raw'    => $request->mapel_favorit, // [DITAMBAHKAN]
            'minat_raw'            => $request->minat,
            'cita_cita_raw'        => $request->cita_cita,
            'preferensi_studi_raw' => $request->preferensi_studi,

            'nilai'            => $this->preprocessing->kategoriNilai($request->nilai),
            'mapel_favorit'    => $request->mapel_favorit, // [DITAMBAHKAN]
            'minat'            => $this->preprocessing->kategoriMinat($request->minat),
            'cita_cita'        => $this->preprocessing->kategoriCitaCita($request->cita_cita),
            'preferensi_studi' => $this->preprocessing->kategoriPreferensi($request->preferensi_studi),
            'jurusan'          => $request->jurusan
        ]);

        return redirect('/training')->with('success', 'Data Latih Berhasil Diperbarui.');
    }

    public function destroy(string $id)
    {
        DataTraining::destroy($id);
        return redirect('/training')->with('success', 'Data Latih Berhasil Dihapus.');
    }
}