persegi/app/Observers/CashRecordObserver.php

<?php

namespace App\Observers;

use App\Models\ActivityLog;
use App\Models\Approval;
use App\Models\CashRecord;
use App\Models\Vote;
use App\Services\NotificationService;
use Illuminate\Support\Facades\Auth;

class CashRecordObserver
{
    public function created(CashRecord $record): void
    {
        ActivityLog::create([
            'user_id'     => Auth::id(),
            'action'      => 'created',
            'model_type'  => CashRecord::class,
            'model_id'    => $record->id,
            'description' => "Transaksi kas baru: {$record->description} sebesar Rp " . number_format($record->amount, 0, ',', '.'),
        ]);

        // Threshold: 500rb–2jt → buat approval ketua + notif
        if ($record->amount >= 500_000 && $record->amount <= 2_000_000) {
            Approval::firstOrCreate(
                ['model_type' => CashRecord::class, 'model_id' => $record->id],
                ['required_approvals' => 1, 'status' => 'pending']
            );

            NotificationService::toRole('ketua',
                'Transaksi Kas Butuh Persetujuan',
                "Transaksi \"{$record->description}\" senilai Rp " . number_format($record->amount, 0, ',', '.') . " menunggu persetujuan Anda.",
                'warning',
                route('filament.admin.resources.cash-records.index')
            );
        }

        // Threshold: > 2jt → buat voting (VoteObserver akan notif semua user)
        if ($record->amount > 2_000_000) {
            Vote::create([
                'title'        => "Persetujuan Transaksi: {$record->description}",
                'description'  => "Transaksi senilai Rp " . number_format($record->amount, 0, ',', '.') . " memerlukan persetujuan voting.",
                'type'         => 'finance',
                'related_id'   => $record->id,
                'related_type' => CashRecord::class,
                'status'       => 'open',
                'deadline'     => now()->addDays(3),
                'created_by'   => Auth::id() ?? $record->created_by,
            ]);
        }
    }

    public function updated(CashRecord $record): void
    {
        if ($record->wasChanged('verified_by') && $record->verified_by !== null) {
            ActivityLog::create([
                'user_id'     => Auth::id(),
                'action'      => 'verified',
                'model_type'  => CashRecord::class,
                'model_id'    => $record->id,
                'description' => "Transaksi kas diverifikasi: {$record->description}",
            ]);
        }
    }

    public function deleting(CashRecord $record): void
    {
        // Guard ditangani di CashRecordPolicy::delete() — tidak perlu throw di sini
    }
}