<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use App\Models\Jalan;
use App\Models\Kecelakaan;
use App\Models\DaerahRawan;

class DaerahRawanController extends Controller
{ 
    public function index()
    {
        $jalan = Jalan::all();
        $kecelakaan = Kecelakaan::all();
        $groupedKecelakaan = $kecelakaan->groupBy('id_jalan');
        $data = [];

        foreach ($jalan as $j) {
            $id_jalan = $j->id;
            $kejadian = $groupedKecelakaan->get($id_jalan, collect());

            $jumlah_aman = $kejadian->where('tingkat_kerawanan', 'Aman')->count();
            $jumlah_rawan = $kejadian->where('tingkat_kerawanan', 'Rawan')->count();
            $jumlah_sangat_rawan = $kejadian->where('tingkat_kerawanan', 'Sangat Rawan')->count();

            $jumlah_status = [
                'Sangat Rawan' => $jumlah_sangat_rawan,
                'Rawan' => $jumlah_rawan,
                'Aman' => $jumlah_aman,
            ];
            
            $max_value = max($jumlah_status);
            $status_kerawanan = array_search($max_value, $jumlah_status);

            $data[] = [
                'nama_jalan' => $j->nama_jalan,
                'jumlah_aman' => $jumlah_aman,
                'jumlah_rawan' => $jumlah_rawan,
                'jumlah_sangat_rawan' => $jumlah_sangat_rawan,
                'status_kerawanan' => $status_kerawanan
            ];

            // Simpan ke database
            DaerahRawan::updateOrCreate(
                ['id_jalan' => $id_jalan],
                [
                    'jumlah_aman' => $jumlah_aman,
                    'jumlah_rawan' => $jumlah_rawan,
                    'jumlah_sangat_rawan' => $jumlah_sangat_rawan,
                    'status_kerawanan' => $status_kerawanan
                ]
            );
        }

        return view('dashboard.daerah_rawan.index', 
        [
            'data' => $data, 
            'jalan' => $jalan,
            'kecelakaan' => $kecelakaan
        ]);
    }
}