<?php

namespace App\Http\Controllers\Guru;

use App\Http\Controllers\Controller;
use App\Models\Mengajar;
use Illuminate\Support\Facades\Auth;

class DashboardController extends Controller
{
    public function index()
    {
        $guru = Auth::guard('guru')->user();
        
        // Hitung total kelas yang diajar
        $totalKelas = Mengajar::where('nip', $guru->nip)
            ->distinct('id_kelas')
            ->count('id_kelas');
        
        // Hitung total mapel yang diajar
        $totalMapel = Mengajar::where('nip', $guru->nip)
            ->distinct('id_mapel')
            ->count('id_mapel');
        
        // Hitung total siswa yang diajar (lewat kelas)
        $totalSiswa = Mengajar::where('nip', $guru->nip)
            ->with('kelas.siswa')
            ->get()
            ->pluck('kelas.siswa')
            ->flatten()
            ->unique('nisn')
            ->count();

        return view('guru.dashboard', compact('totalKelas', 'totalMapel', 'totalSiswa'));
    }
}