<?php

namespace App\Http\Controllers;

use App\Models\alternatif;
use App\Models\datakriteria;
use App\Models\datasubkriteria;
use App\Models\penduduk;
use App\Models\prioritaskriteria;
use App\Models\prioritassubkriteria;
use App\Models\rangking;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;

class DataAlternatifController extends Controller
{
    
    public function index()
{
    $alternatifs = alternatif::all();
    $datakriterias = datakriteria::all();
    $datasubkriterias = datasubkriteria::all();
    $penduduks = penduduk::all();
    $datakriterias = Datakriteria::all();
    $prioritaskriterias = Prioritaskriteria::all();
    $prioritassubkriterias = Prioritassubkriteria::all();

    // Group data by kode_kriteria
    $groupedData = $datakriterias->map(function($datakriteria) use ($prioritaskriterias) {
        // Find corresponding prioritaskriteria based on kode_kriteria
        $prioritasK = $prioritaskriterias->firstWhere('kode_kriteria', $datakriteria->kode_kriteria);
        
        return [
            'kode_kriteria' => $datakriteria->kode_kriteria,
            'nama_kriteria' => $datakriteria->nama_kriteria,
            'nilai_prioritas' => $prioritasK->nilai_prioritas ?? null,
        ];
    });
    $groupedSubkriterias = $datasubkriterias->map(function($datasubkriteria) use ($prioritassubkriterias) {
        $prioritas = $prioritassubkriterias->firstWhere('kode_subkriteria', $datasubkriteria->kode_subkriteria);
        return [
            'kode_kriteria' => $datasubkriteria->kode_kriteria,
            'kode_subkriteria' => $datasubkriteria->kode_subkriteria,
            'nama_subkriteria' => $datasubkriteria->nama_subkriteria,
            'nilai_prioritas' => $prioritas->nilai_prioritas ?? null,
        ];
    });
    return view('pages.dataAlternatif', compact('alternatifs','prioritaskriterias','prioritassubkriterias', 'datakriterias','datasubkriterias', 'penduduks','groupedData', 'groupedSubkriterias'));
}

public function showTable()
{
    // Fetch criteria data
    $datakriterias = DB::table('datakriterias')->get()->toArray();

    // Fetch alternatif data
    $alternatifs = DB::table('alternatifs')->get()->toArray();
    $dataSubkriterias = DataSubkriteria::pluck('kode_subkriteria', 'nama_subkriteria')->toArray();

    // Assuming each alternatif is an associative array with keys corresponding to kode_subkriteria
    return view('pages.dataAlternatif', compact('datakriterias', 'alternatifs','datasubkriterias'));
}

public function showalternatif()
{
    $alternatifs = alternatif::all();
    $datakriterias = datakriteria::all();
    $datasubkriterias = datasubkriteria::all();
    $penduduks = penduduk::all();
    return view('pages.talternatif', compact('alternatifs', 'datakriterias','datasubkriterias', 'penduduks'));
}
    
    public function create()
    {
        return view('pages.talternatif');
    }
    public function showkriteria()
    {
        $alternatifs = datakriteria::all();
        
    $prioritaskriterias = prioritaskriteria::all();
    $prioritassubkriterias = prioritassubkriteria::all();
        return view('pages.dataAlternatif', compact('alternatifs','prioritassubkriterias','prioritaskriterias'));
    }
    public function showpenduduk()
    {
        $alternatifs = penduduk::all();
        return view('pages.dataAlternatif', compact('alternatifs'));
    }
    public function store(Request $request)
{
    $validatedData = $request->validate([
        
        'kode' => 'required',
        'nama' => 'required',
        'p1' => 'nullable|string|max:255',
        'p2' => 'nullable|string|max:255',
        'p3' => 'nullable|string|max:255',
        'p4' => 'nullable|string|max:255',
        'p5' => 'nullable|string|max:255',
        'p6' => 'nullable|string|max:255',
        'p7' => 'nullable|string|max:255',
        'p8' => 'nullable|string|max:255',
        'p9' => 'nullable|string|max:255',
        'p10' => 'nullable|string|max:255',
    ]);

    $alternatifs = new alternatif();
    $alternatifs->kode = $validatedData['kode'];
    $alternatifs->nama = $validatedData['nama'];
    $alternatifs->p1 = $validatedData['p1'] ?? null;
    $alternatifs->p2 = $validatedData['p2'] ?? null;
    $alternatifs->p3 = $validatedData['p3'] ?? null;
    $alternatifs->p4 = $validatedData['p4'] ?? null;
    $alternatifs->p5 = $validatedData['p5'] ?? null;
    $alternatifs->p6 = $validatedData['p6'] ?? null;
    $alternatifs->p7 = $validatedData['p7'] ?? null;
    $alternatifs->p8 = $validatedData['p8'] ?? null;
    $alternatifs->p9 = $validatedData['p9'] ?? null;
    $alternatifs->p10 = $validatedData['p10'] ?? null;

    // Menyimpan data ke database
    if ($alternatifs->save()) {
        return redirect('/dataalternatif')->with('success', 'Data Alternatif berhasil disimpan.');
    } else {
        return redirect('/dataalternatif')->with('error', 'Terjadi kesalahan saat menyimpan data Alternatif.');
    }
}

    public function edit($id)
    {
        $alternatifs = alternatif::find($id);
        $penduduks = penduduk::all();
        $datakriterias = datakriteria::all();
        $datasubkriterias = datasubkriteria::all();
        
        
        return view('pages.ealternatif', compact('alternatifs','penduduks','datakriterias','datasubkriterias'));
    }
    public function hapus($id)
    {
        $alternatifs = alternatif::find($id);

        if ($alternatifs) {
            $alternatifs->delete();
            return redirect()->back()->with('success', 'Data berhasil dihapus.');
        } else {
            return redirect()->back()->with('error', ' Data gagal dihapus');
        }
    }
    public function update(Request $request, $id)
    {
        $validatedData = $request->validate([
            'kode' => 'required|string|max:255',
            'nama' => 'required|string|max:255',
            'p1' => 'nullable|string|max:255',
            'p2' => 'nullable|string|max:255',
            'p3' => 'nullable|string|max:255',
            'p4' => 'nullable|string|max:255',
            'p5' => 'nullable|string|max:255',
            'p6' => 'nullable|string|max:255',
            'p7' => 'nullable|string|max:255',
            'p8' => 'nullable|string|max:255',
            'p9' => 'nullable|string|max:255',
            'p10' => 'nullable|string|max:255',
        ]);

        // Cari Alternatif berdasarkan ID
        $alternatif = Alternatif::findOrFail($id);
        $alternatif->kode = $validatedData['kode'];
        $alternatif->nama = $validatedData['nama'];
        $alternatif->p1 = $validatedData['p1'] ?? null;
        $alternatif->p2 = $validatedData['p2'] ?? null;
        $alternatif->p3 = $validatedData['p3'] ?? null;
        $alternatif->p4 = $validatedData['p4'] ?? null;
        $alternatif->p5 = $validatedData['p5'] ?? null;
        $alternatif->p6 = $validatedData['p6'] ?? null;
        $alternatif->p7 = $validatedData['p7'] ?? null;
        $alternatif->p8 = $validatedData['p8'] ?? null;
        $alternatif->p9 = $validatedData['p9'] ?? null;
        $alternatif->p10 = $validatedData['p10'] ?? null;

        // Simpan perubahan
        if ($alternatif->save()) {
            return redirect('/dataalternatif')->with('success', 'Data Alternatif berhasil diperbarui.');
        } else {
            return redirect('/dataalternatif')->with('error', 'Terjadi kesalahan saat memperbarui data Alternatif.');
        }
    }

    public function cetak()
    {
       
    $judul = 'Laporan Data Alternatif Penduduk';
    $alternatifs = alternatif::all();
    $datakriterias = datakriteria::all();
    $datasubkriterias = datasubkriteria::all();
    $penduduks = penduduk::all();
    
    $prioritaskriterias = prioritaskriteria::all();
    $prioritassubkriterias = prioritassubkriteria::all();
    // Group data by kode_kriteria
    $groupedData = $datakriterias->map(function($datakriteria) use ($prioritaskriterias) {
        // Find corresponding prioritaskriteria based on kode_kriteria
        $prioritasK = $prioritaskriterias->firstWhere('kode_kriteria', $datakriteria->kode_kriteria);
        
        return [
            'kode_kriteria' => $datakriteria->kode_kriteria,
            'nama_kriteria' => $datakriteria->nama_kriteria,
            'nilai_prioritas' => $prioritasK->nilai_prioritas ?? null,
        ];
    });
    $groupedSubkriterias = $datasubkriterias->map(function($datasubkriteria) use ($prioritassubkriterias) {
        $prioritas = $prioritassubkriterias->firstWhere('kode_subkriteria', $datasubkriteria->kode_subkriteria);
        return [
            'kode_kriteria' => $datasubkriteria->kode_kriteria,
            'kode_subkriteria' => $datasubkriteria->kode_subkriteria,
            'nama_subkriteria' => $datasubkriteria->nama_subkriteria,
            'nilai_prioritas' => $prioritas->nilai_prioritas ?? null,
        ];
    });
    return view('pages.print3', compact('judul', 'alternatifs', 'datakriterias', 'datasubkriterias', 'penduduks','prioritassubkriterias','prioritaskriterias','groupedSubkriterias'));
}
public function simpanalternatif(Request $request)
{
    // Validate the request data
    $request->validate([
        'alternatif' => 'required|array',
    ]);

    // Iterate through each alternative and save the data
    foreach ($request->alternatif as $kode => $alternatifData) {
        // Save or update the record in the `rangking` table
        Rangking::updateOrCreate(
            ['kode' => $alternatifData['kode']],
            [
                'total' => $alternatifData['total'],
                'keterangan' => $alternatifData['status']
            ]
        );
    }

    return redirect()->back()->with('success', 'Data berhasil disimpan.');
}


    protected function validateAlternatifData($data)
    {
        return [
            'kode' => $data['kode'],
            'total' => is_numeric($data['total']) ? floatval($data['total']) : 0.0
        ];
    }
public function hitungbobot()
{
    // Mengambil semua data yang diperlukan
    $alternatifs = alternatif::all();
    $datakriterias = datakriteria::all();
    $datasubkriterias = datasubkriteria::all();
    $penduduks = penduduk::all();

    // Mengambil prioritaskriteria dan prioritassubkriteria dengan pengurutan yang sesuai
    $prioritask = prioritaskriteria::orderBy('kode_kriteria')
                    ->orderBy('nilai_prioritas')
                    ->get();

    $prioritass = prioritassubkriteria::orderBy('kode_subkriteria')
                    ->orderBy('nilai_prioritas', 'asc')
                    ->get();

    // Mengatur struktur data untuk menyimpan bobot prioritas kriteria dan subkriteria
    $bobotPrioritasKriteria = [];
    foreach ($prioritask as $item) {
        $bobotPrioritasKriteria[$item->kode_kriteria] = $item->nilai_prioritas;
    }

    $bobotPrioritasSubkriteria = [];
    foreach ($prioritass as $item) {
        // Memisahkan kode_kriteria dari kode_subkriteria
        $kodeKriteria = substr($item->kode_subkriteria, 0, 2); // Mengasumsikan panjang kode_kriteria adalah 2 karakter
        $kodeSubkriteria = substr($item->kode_subkriteria, 2); // Mengambil bagian kode subkriteria setelah kode kriteria
        
        // Memastikan hanya memproses data subkriteria yang sesuai dengan kriteria yang ada
        if (isset($bobotPrioritasKriteria[$kodeKriteria])) {
            // Menghitung bobot subkriteria berdasarkan nilai_prioritas subkriteria dan kriteria terkait
            $bobotSubkriteria = $item->nilai_prioritas * $bobotPrioritasKriteria[$kodeKriteria];
            // Menyimpan bobot subkriteria sesuai dengan kode subkriteria
            $bobotPrioritasSubkriteria[$kodeSubkriteria] = $bobotSubkriteria;
        }
    }


    return view('pages.talternatif', compact('alternatifs','prioritassubkriterias','prioritaskriterias', 'datakriterias', 'datasubkriterias', 'penduduks', 'prioritask', 'prioritass'));
}

public function tampilkanForm()
{
    // Memanggil fungsi hitungbobot() untuk mendapatkan nilai bobot
    $bobot = $this->hitungbobot();

    // Mengirimkan variabel $bobot ke view bersamaan dengan view 'nama_view'
    return view('pages.talternatif', ['bobot' => $bobot]);
}
public function deleteAlternatif($id)
    {
        $alternatif = Alternatif::find($id);
        if ($alternatif) {
            // Delete associated rankings
            $alternatif->rangkings()->delete();
            // Delete the alternatif
            $alternatif->delete();
        }

        return redirect()->back()->with('success', 'Alternatif and its related rankings have been deleted.');
    }

}