<?php

namespace App\Services;

use App\Models\Invoice;
use App\Models\Setting;
use Barryvdh\DomPDF\Facade\Pdf;

class InvoicePdfService
{
    public function generate(Invoice $invoice): string
    {
        $invoice->load(['invoiceItems.product', 'customer', 'order.orderItems']);

        $setting      = Setting::where('key', 'setting')->first();
        $settingValue = $setting ? json_decode((string) $setting->value) : null;

        $customer = $invoice->customer;
        $order    = $invoice->order;

        $data = [
            'invoice'       => $invoice,
            'invoiceItems'  => $invoice->invoiceItems,
            'customer'      => $customer,
            'order'         => $order,
            'companyName'   => $settingValue->company ?? 'Thế Giới Số',
            'companyAddress' => $settingValue->address ?? '',
            'companyPhone'  => $settingValue->phone ?? '',
            'companyEmail'  => $settingValue->email ?? '',
        ];

        return Pdf::loadView('pdf.invoice', $data)->output();
    }

    public function generateFileName(Invoice $invoice): string
    {
        return 'Hoa-don-' . $invoice->invoice_number . '.pdf';
    }
}