<?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,
            'order_id'    => $order->id,
            'order_num' => \App\Helpers\OrderHelper::generateOrderNumber('INV'),
            'date' => now(),
            'due_date' => now()->addDays(3),
            'total' => $order->amount,
            'sub_total' => $order->amount,
            'tax' => 0,
            'status' => 1, // Unpaid
        ]);

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

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

        foreach ($orderItems as $item) {
            $invoiceItem = \App\Models\InvoiceItem::create([
                'invoice_id' => $invoice->id,
                // 'customer_id' removed as not in migration
                'product_id' => $item->product_id,
                // 'description' removed as not in migration
                'price' => $item->price ?? $order->amount,
                // 'type_id' removed, use 'product_type'
                'product_type' => $item->product->product_type instanceof \App\Enums\Product\ProductTypeEnums
                    ? $item->product->product_type->value
                    : (\App\Enums\Product\ProductTypeEnums::tryFrom($item->product->product_type)?->value ?? 1),
                // 'billing' removed, map to 'months' if possible? default 0 in migration
                'months' => match ($item->billing_cycle) {
                    'quarterly' => 3,
                    'semi_annually' => 6,
                    'annually' => 12,
                    default => 1,
                },
                'server_name' => $item->server_name,
                'os_id' => $item->os_id,
            ]);

            // Copy addons from OrderItem to InvoiceItem
            foreach ($item->addons as $addon) {
                \App\Models\InvoiceAddons::create([
                    'invoice_item_id' => $invoiceItem->id,
                    'addon_id' => $addon->addon_id,
                    'qty' => $addon->qty,
                    'price' => $addon->price // Unit price preserved from order
                ]);
            }
        }

        return $invoice;
    }
}