<?php

namespace App\Http\Controllers;

use App\Models\NilaiAlternatifModels as NilaiAlternatif;
use App\Models\MobilModels as Mobil;
use App\Models\SubKriteriaModels as SubKriteria;
use Illuminate\Http\Request;

class NilaiAlternatifController extends Controller
{
    public function index(Request $request)
    {
        $query = NilaiAlternatif::with(['mobil', 'subkriteria']);

        if ($request->filled('search')) {
            $query->whereHas('mobil', function($q) use ($request) {
                $q->where('nama_mobil', 'like', '%' . $request->search . '%');
            });
        }

        $nilaiAlternatifs = $query->paginate(10);

        return view('nilai-alternatif.index', compact('nilaiAlternatifs'));
    }

    public function create()
    {
        $mobils = Mobil::all();
        $subkriterias = SubKriteria::all();
        return view('nilai-alternatif.form', compact('mobils', 'subkriterias'));
    }

    public function store(Request $request)
    {
        $request->validate([
            'mobil_id' => 'required|exists:mobil,id',
            'sub_kriteria_id' => 'required|exists:sub_kriteria,id',
            'nilai' => 'required|numeric|min:0',
        ]);

        NilaiAlternatif::create($request->all());

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

    public function edit(NilaiAlternatif $nilaiAlternatif)
    {
        $mobils = Mobil::all();
        $subkriterias = SubKriteria::all();
        return view('nilai-alternatif.form', compact('nilaiAlternatif', 'mobils', 'subkriterias'));
    }

    public function update(Request $request, NilaiAlternatif $nilaiAlternatif)
    {
        $request->validate([
            'mobil_id' => 'required|exists:mobil,id',
            'sub_kriteria_id' => 'required|exists:sub_kriteria,id',
            'nilai' => 'required|numeric|min:0',
        ]);

        $nilaiAlternatif->update($request->all());

        return redirect()->route('nilai-alternatif.index')->with('success', 'Data berhasil diperbarui.');
    }

    public function destroy(NilaiAlternatif $nilaiAlternatif)
    {
        $nilaiAlternatif->delete();
        return redirect()->route('nilai-alternatif.index')->with('success', 'Data berhasil dihapus.');
    }
}