<?php

namespace App\Http\Controllers;

use App\Models\Kriteria;
use App\Models\Penilaian;
use App\Models\Alternatif;
use App\Models\Subkriteria;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;

class PenilaianController extends Controller
{
    /**
     * Display a listing of the resource.
     */
    public function index()
    {
        $no = 1;
        $kriteria = Kriteria::where('status', 'Aktif')->with('SubKriteria')->get();
        $subkriteria = Subkriteria::all();
        $subkriteria = Subkriteria::whereHas('kriteria', function($query) {
            $query->where('status', 'Aktif');
        })->get();
        $alternatif = Alternatif::where('id_mahasiswa', Auth::user()->id)->orderBy('id')->get();
        $nilai = Penilaian::all();

        for ($i = 0; $i < count($alternatif); $i++) {
            $penilaian = Penilaian::where('id_alternatif', $alternatif[$i]->id)->orderby('id_kriteria')->get();
            if (count($penilaian) != 0) {
                $alternatif[$i]->penilaian = $penilaian;
            } else {
                $alternatif[$i]->penilaian = "null";
            }
        }

        return view('penilaian', compact('no', 'kriteria', 'subkriteria', 'alternatif', 'penilaian'));
    }

    /**
     * Store a newly created resource in storage.
     */
    public function store(Request $request, $id)
    {
        $kriteria = Kriteria::where('status', 'Aktif')->orderby('id')->get();

        // Cek apakah request memiliki data untuk setiap kriteria
        $dataExist = false;
        foreach ($kriteria as $k) {
            $idk = $k->id;
            if ($request->has($idk) && $request->filled($idk)) {
                $dataExist = true;
                break;
            }
        }

        if (!$dataExist) {
            // Jika tidak ada data, tampilkan toast_error
            return redirect('penilaian')->with('toast_error', 'Penilaian Alternatif Gagal Ditambahkan');
        }

        $cek = Penilaian::where('id_alternatif', $id)->get();
        
        if (count($cek) == 0) {
            foreach ($kriteria as $k) {
                $idk = $k->id;

                Penilaian::create([
                    'id_alternatif' => $id,
                    'id_kriteria' => $k->id,
                    'nilai' => $request->$idk,
                ]);
            }
            return redirect('penilaian')->with('toast_success', 'Penilaian Alternatif Berhasil Ditambahkan.');
        } else {
            return back();
        }
    }

    /**
     * Display the specified resource.
     */
    public function show(string $id)
    {
        //
    }

    /**
     * Update the specified resource in storage.
     */
    public function update(Request $request, $id)
    {
        $kriteria = Kriteria::where('status', 'Aktif')->orderby('id')->get();
    
        // Cek apakah request memiliki data untuk setiap kriteria
        $dataExist = false;
        foreach ($kriteria as $k) {
            $idk = $k->id;
            if ($request->has($idk) && $request->filled($idk)) {
                $dataExist = true;
                break;
            }
        }

        if (!$dataExist) {
            // Jika tidak ada data, tampilkan toast_error
            return redirect('penilaian')->with('toast_error', 'Tidak Ada Perubahan Data');
        }

        foreach ($kriteria as $k) {
            $idk = $k->id;
            Penilaian::where('id_alternatif', $id)->where('id_kriteria', $k->id)->update([
                'nilai' => $request->$idk
            ]);
        }

        return redirect('penilaian')->with('toast_success', 'Perubahan Berhasil Disimpan.');
    }

    /**
     * Remove the specified resource from storage.
     */
    public function destroy(string $id)
    {
        //
    }
}