<?php

namespace App\Repositories\Api\Invoice;

use App\Models\Invoice;
use App\Repositories\Api\BaseApiRepository;

class InvoiceRepository extends BaseApiRepository implements InvoiceRepositoryInterface
{
    public function getModel()
    {
        return Invoice::class;
    }

    /**
     * Lấy danh sách sản phẩm đang hoạt động
     */
    public function getInvoice(int $limit = 10, $customer = null)
    {
        return $this->model->where('customer_id', $customer)->paginate($limit);
    }

    public function createFromOrder($order)
    {
        $invoice = $this->model->create([
            'customer_id' => $order->customer_id,
            'date' => now(),
            'due_date' => now()->addDays(3),
            'amount' => $order->amount,
            'status' => 1, // Unpaid
        ]);

        $order->update(['invoice_id' => $invoice->id]);

        $orderItems = $order->orderItems;
        if ($orderItems->isEmpty()) {
            $orderItems = $order->orderItems()->get();
        }

        foreach ($orderItems as $item) {
            \App\Models\InvoiceItem::create([
                'invoice_id' => $invoice->id,
                'customer_id' => $invoice->customer_id,
                'product_id' => $item->product_id,
                'description' => optional($item->product)->name ?? 'Order Item', 
                'amount' => $item->price ?? $order->amount,
                'type_id' => 1,
                'billing' => $item->billing_cycle ?? 'monthly',
            ]);
        }

        return $invoice;
    }
}