<?php

namespace App\Policies;

use App\Enums\PurchasingRole;
use App\Models\GoodsReceipt;
use App\Models\PurchaseOrder;
use App\Models\Requisition;
use App\Models\User;

class GoodsReceiptPolicy
{
    public function viewAny(User $user): bool
    {
        return $user->tenant_id !== null && in_array($user->purchasing_role, [PurchasingRole::Admin, PurchasingRole::Procurement, PurchasingRole::Finance, PurchasingRole::Warehouse, PurchasingRole::DepartmentHead]);
    }

    public function viewOrder(User $user, PurchaseOrder $order): bool
    {
        return $this->viewAny($user) && $user->tenant_id === $order->tenant_id &&
            ($user->purchasing_role !== PurchasingRole::DepartmentHead || Requisition::query()->whereKey($order->requisition_id)->where('department_id', $user->department_id)->exists());
    }

    public function view(User $user, GoodsReceipt $receipt): bool
    {
        $order = PurchaseOrder::query()->find($receipt->purchase_order_id);

        return $order !== null && $this->viewOrder($user, $order);
    }

    public function create(User $user, PurchaseOrder $order): bool
    {
        return $user->tenant_id === $order->tenant_id && $user->purchasing_role === PurchasingRole::Warehouse && $user->id !== $order->issued_by;
    }
}