<?php

namespace App\Http\Controllers;

use App\Models\KehadiranKtm;
use App\Models\Sppm\PetugasAssignment;
use Illuminate\Http\Request;

class KehadiranController extends Controller
{
    /**
     * Tanda KTM sebagai hadir mengambil peti undi. Rekod tarikh dan masa.
     */
    public function hadir(Request $request, int $assignmentId)
    {
        $assignment = PetugasAssignment::ktm()
            ->with(['permohonan', 'pusatMengundi'])
            ->findOrFail($assignmentId);

        $this->pastikanDunDibenarkan($request, $assignment);

        KehadiranKtm::firstOrCreate(
            ['assignment_id' => $assignment->id],
            [
                'permohonan_id' => $assignment->permohonan_id,
                'dun_id' => $assignment->pusatMengundi->dun_id,
                'hadir_at' => now(),
                'dicatat_oleh_user_id' => $request->user()->id,
            ],
        );

        return back()->with('status', ($assignment->permohonan?->nama_ic ?? 'KTM').' ditanda HADIR.');
    }

    /**
     * Batalkan rekod kehadiran (jika tersilap tanda).
     */
    public function batal(Request $request, int $assignmentId)
    {
        $assignment = PetugasAssignment::ktm()
            ->with(['permohonan', 'pusatMengundi'])
            ->findOrFail($assignmentId);

        $this->pastikanDunDibenarkan($request, $assignment);

        KehadiranKtm::where('assignment_id', $assignment->id)->delete();

        return back()->with('status', 'Rekod kehadiran '.($assignment->permohonan?->nama_ic ?? 'KTM').' dibatalkan.');
    }

    /**
     * Admin DUN hanya boleh urus KTM dalam DUN sendiri.
     */
    private function pastikanDunDibenarkan(Request $request, PetugasAssignment $assignment): void
    {
        $user = $request->user();

        if ($user->isSuperadmin()) {
            return;
        }

        if ((int) $assignment->pusatMengundi?->dun_id !== (int) $user->dun_id) {
            abort(403, 'KTM ini bukan dalam DUN anda.');
        }
    }
}