@include('layouts.header_admin')

<div class="d-sm-flex align-items-center justify-content-between mb-4">
    <h1 class="h3 mb-0 text-gray-800"><i class="fas fa-fw fa-calculator"></i> Data Perhitungan</h1>
</div>

<div class="card shadow mb-4">
    <!-- /.card-header -->
    <div class="card-header py-3">
        <h6 class="m-0 font-weight-bold text-danger"><i class="fa fa-table"></i> Pilih Jenis Kelamin</h6>
    </div>

    <div class="card-body">
        <select class="form-control" onchange="location = this.value;">
            <option value="">--Pilih--</option>
            <option value="1" @if ($j == 1) selected @endif>Laki-laki</option>
            <option value="2" @if ($j == 2) selected @endif>Perempuan</option>
        </select>
    </div>
</div>

@if (count($alternatifs) > 0)
    <?php
    \App\Models\PerhitunganModel::hapus_hasil($j);
    //Matrix Keputusan (X)
    $matriks_x = [];
    foreach ($rangkings as $alternatif):
        foreach ($kriterias as $kriteria):
            $id_alternatif = $alternatif->id_alternatif;
            $id_kriteria = $kriteria->id_kriteria;
    
            $data_pencocokan = \App\Models\PerhitunganModel::data_nilai($id_alternatif, $id_kriteria);
            if (!empty($data_pencocokan['nilai'])) {
                $nilai = $data_pencocokan['nilai'];
            } else {
                $nilai = 0;
            }
    
            $matriks_x[$id_kriteria][$id_alternatif] = $nilai;
        endforeach;
    endforeach;
    
    //Matriks Normalisasi (R) & Matriks Normalisasi Terbobot & Nilai V
    $matriks_r = [];
    $matriks_rb = [];
    $nilai_v = [];
    foreach ($rangkings as $alternatif):
        $id_alternatif = $alternatif->id_alternatif;
        $nilai_total = 0;
        foreach ($kriterias as $kriteria):
            $id_kriteria = $kriteria->id_kriteria;
    
            $nilai = $matriks_x[$id_kriteria][$id_alternatif];
            $type_kriteria = $kriteria->jenis;
            $bobot = $kriteria->bobot;
    
            $nilai_max = @max($matriks_x[$id_kriteria]);
            $nilai_min = @min($matriks_x[$id_kriteria]);
    
            if ($type_kriteria == 'Benefit'):
                $r = $nilai != 0 ? $nilai / $nilai_max : 0;
            elseif ($type_kriteria == 'Cost'):
                $r = $nilai != 0 ? $nilai_min / $nilai : 0;
            endif;
    
            $matriks_r[$id_kriteria][$id_alternatif] = $r;
    
            $nilai_penjumlahan = $bobot * $r;
            $matriks_rb[$id_kriteria][$id_alternatif] = $nilai_penjumlahan;
            $nilai_total += $nilai_penjumlahan;
        endforeach;
        //Nilai (V)
        $nilai_v[$id_alternatif] = $nilai_total;
    endforeach;
    ?>

    <div class="card shadow mb-4">
        <!-- /.card-header -->
        <div class="card-header py-3">
            <h6 class="m-0 font-weight-bold text-danger"><i class="fa fa-table"></i> Matriks Keputusan (X)</h6>
        </div>

        <div class="card-body">
            <div class="table-responsive">
                <table class="table table-bordered" width="100%" cellspacing="0">
                    <thead class="bg-danger text-white">
                        <tr align="center">
                            <th width="5%">No</th>
                            <th>Nama Alternatif</th>
                            <th>Asal Divisi</th>
                            <?php foreach ($kriterias as $kriteria): ?>
                            <th><?= $kriteria->kode_kriteria ?></th>
                            <?php endforeach ?>
                        </tr>
                    </thead>
                    <tbody>
                        <?php 
						$no=1;
						foreach ($alternatifs as $alternatif): ?>
                        <tr align="center">
                            <td><?= $no ?></td>
                            <td align="left"><?= $alternatif->nama ?></td>
                            <td><?= $alternatif->divisi ?></td>
                            <?php
                            foreach ($kriterias as $kriteria):
                                $id_alternatif = $alternatif->id_alternatif;
                                $id_kriteria = $kriteria->id_kriteria;
                                echo '<td>';
                                echo $matriks_x[$id_kriteria][$id_alternatif];
                                echo '</td>';
                            endforeach;
                            ?>
                        </tr>
                        <?php
						$no++;
						endforeach
					?>
                        <tr align="center">
                            <th colspan="3" class="bg-light">MIN</th>
                            <?php
                            foreach ($kriterias as $kriteria):
                                $id_kriteria = $kriteria->id_kriteria;
                                echo '<th class="bg-light">';
                                echo min($matriks_x[$id_kriteria]);
                                echo '</th>';
                            endforeach;
                            ?>
                        </tr>
                        <tr align="center">
                            <th colspan="3" class="bg-light">MAX</th>
                            <?php
                            foreach ($kriterias as $kriteria):
                                $id_kriteria = $kriteria->id_kriteria;
                                echo '<th class="bg-light">';
                                echo max($matriks_x[$id_kriteria]);
                                echo '</th>';
                            endforeach;
                            ?>
                        </tr>
                    </tbody>
                </table>
            </div>
        </div>
    </div>

    <div class="card shadow mb-4">
        <!-- /.card-header -->
        <div class="card-header py-3">
            <h6 class="m-0 font-weight-bold text-danger"><i class="fa fa-table"></i> Matriks Normalisasi (R)</h6>
        </div>

        <div class="card-body">
            <div class="table-responsive">
                <table class="table table-bordered" width="100%" cellspacing="0">
                    <thead class="bg-danger text-white">
                        <tr align="center">
                            <th width="5%">No</th>
                            <th>Nama Alternatif</th>
                            <th>Asal Divisi</th>
                            <?php foreach ($kriterias as $kriteria): ?>
                            <th><?= $kriteria->kode_kriteria ?></th>
                            <?php endforeach ?>
                        </tr>
                    </thead>
                    <tbody>
                        <?php
						$no=1;
						foreach ($alternatifs as $alternatif): ?>
                        <tr align="center">
                            <td><?= $no ?></td>
                            <td align="left"><?= $alternatif->nama ?></td>
                            <td><?= $alternatif->divisi ?></td>
                            <?php
                            foreach ($kriterias as $kriteria):
                                $id_alternatif = $alternatif->id_alternatif;
                                $id_kriteria = $kriteria->id_kriteria;
                                echo '<td>';
                                echo $matriks_r[$id_kriteria][$id_alternatif];
                                echo '</td>';
                            endforeach;
                            ?>
                        </tr>
                        <?php
						$no++;
						endforeach ?>
                    </tbody>
                </table>
            </div>
        </div>
    </div>

    <div class="card shadow mb-4">
        <!-- /.card-header -->
        <div class="card-header py-3">
            <h6 class="m-0 font-weight-bold text-danger"><i class="fa fa-table"></i> Bobot Preferensi (W)</h6>
        </div>

        <div class="card-body">
            <div class="table-responsive">
                <table class="table table-bordered" width="100%" cellspacing="0">
                    <thead class="bg-danger text-white">
                        <tr align="center">
                            <?php foreach ($kriterias as $kriteria): ?>
                            <th><?= $kriteria->kode_kriteria ?> (<?= $kriteria->jenis ?>)</th>
                            <?php endforeach ?>
                        </tr>
                    </thead>
                    <tbody>
                        <tr align="center">
                            <?php foreach ($kriterias as $alternatif): ?>
                            <td>
                                <?php
                                echo $alternatif->bobot;
                                ?>
                            </td>
                            <?php endforeach ?>
                        </tr>
                    </tbody>
                </table>
            </div>
        </div>
    </div>

    <div class="card shadow mb-4">
        <!-- /.card-header -->
        <div class="card-header py-3">
            <h6 class="m-0 font-weight-bold text-danger"><i class="fa fa-table"></i> Matriks Normalisasi Terbobot</h6>
        </div>

        <div class="card-body">
            <div class="table-responsive">
                <table class="table table-bordered" width="100%" cellspacing="0">
                    <thead class="bg-danger text-white">
                        <tr align="center">
                            <th width="5%">No</th>
                            <th>Nama Alternatif</th>
                            <th>Asal Divisi</th>
                            <?php foreach ($kriterias as $kriteria): ?>
                            <th><?= $kriteria->kode_kriteria ?></th>
                            <?php endforeach ?>
                        </tr>
                    </thead>
                    <tbody>
                        <?php
						$no=1;
						foreach ($alternatifs as $alternatif): ?>
                        <tr align="center">
                            <td><?= $no ?></td>
                            <td align="left"><?= $alternatif->nama ?></td>
                            <td><?= $alternatif->divisi ?></td>
                            <?php
                            foreach ($kriterias as $kriteria):
                                $id_alternatif = $alternatif->id_alternatif;
                                $id_kriteria = $kriteria->id_kriteria;
                                echo '<td>';
                                echo $matriks_rb[$id_kriteria][$id_alternatif];
                                echo '</td>';
                            endforeach;
                            ?>
                        </tr>
                        <?php
						$no++;
						endforeach ?>
                    </tbody>
                </table>
            </div>
        </div>
    </div>

    {{-- add pagination in bootstrap --}}
    <div class="d-flex justify-content-center">
        {!! $alternatifs->links() !!}
    </div>

    <div class="card shadow mb-4">
        <!-- /.card-header -->
        <div class="card-header py-3 d-flex justify-content-between align-items-center">
            <h6 class="m-0 font-weight-bold text-danger"><i class="fa fa-table"></i> Nilai (V)</h6>
            <div class="form-group">
                <select class="form-control" id="filterByDivision">
                    <option value="">--Pilih Divisi--</option>
                    @foreach ($divisis as $data)
                        <option value="{{ $data->divisi }}">{{ $data->divisi }}</option>
                    @endforeach
                </select>
            </div>
        </div>

        <div class="card-body">
            <div class="table-responsive">
                <table class="table table-bordered" width="100%" cellspacing="0" id="tableRanking">
                    <thead class="bg-danger text-white">
                        <tr align="center">
                            <th width="5%">No</th>
                            <th>Nama Alternatif</th>
                            <th width="15%">Nilai (V)</th>
                            <th>Asal Divisi</th>
                        </tr>
                    </thead>
                    <tbody>
                        <?php
						$no=1;
						foreach ($rangkings as $alternatif): ?>
                        <tr align="center">
                            <td><?= $no ?></td>
                            <td align="left"><?= $alternatif->nama ?></td>
                            <?php
                            $id_alternatif = $alternatif->id_alternatif;
                            echo '<td>';
                            echo $v = $nilai_v[$id_alternatif];
                            echo '</td>';
                            ?>
                            </td>
                            <td><?= $alternatif->divisi ?></td>
                        </tr>
                        <?php
                        $no++;
                        $hasil_akhir = [
                            'id_alternatif' => $id_alternatif,
							'jenis_kelamin' => $j,
                            'nilai' => $v,
                        ];
                        
                        DB::table('hasil')->insert($hasil_akhir);
						endforeach; ?>
                    </tbody>
                </table>
            </div>
        </div>
    </div>
@else
    <div class="alert alert-danger">Data alternatif masih kosong!</div>
@endif

@push('js-internal')
    <script>
        // filter table by division select box
        $('#filterByDivision').on('change', function() {
            var value = $(this).val().toLowerCase();
            $('#tableRanking tbody tr').filter(function() {
                $(this).toggle($(this).text().toLowerCase().indexOf(value) > -1)
            });
        });
    </script>
@endpush

@include('layouts.footer_admin')