<?php

namespace App\Services\Ppm;

use App\Models\Application;
use App\Models\Position;
use App\Models\StaffAssignment;
use App\Models\User;
use Illuminate\Support\Collection;

class PpmScopeService
{
    /**
     * @return Collection<int, int>
     */
    public function assignedPusatIds(User $user): Collection
    {
        $ppmPosition = Position::query()->where('code', 'PPM')->first();

        if ($ppmPosition === null) {
            return collect();
        }

        return StaffAssignment::query()
            ->where('user_id', $user->id)
            ->where('position_id', $ppmPosition->id)
            ->where('status', 'active')
            ->whereNull('saluran_mengundi_id')
            ->pluck('pusat_mengundi_id')
            ->map(fn (mixed $id): int => (int) $id)
            ->values();
    }

    public function canAccessApplication(User $user, Application $application): bool
    {
        if ($user->hasRole('Admin')) {
            return true;
        }

        if (! $user->hasRole('PPM')) {
            return false;
        }

        return $this->assignedPusatIds($user)->contains((int) $application->pusat_mengundi_id);
    }
}