<?php

namespace App\Support;

use App\Models\Business\CourierQuoteVersion;
use Illuminate\Support\Carbon;
use RuntimeException;

final class CourierQuotePdf
{
    public function __construct(private readonly CourierQuoteConfirmation $confirmation)
    {
    }

    public function render(CourierQuoteVersion $version, ?string $signatureDate = null): string
    {
        $data = $this->confirmation->data($version);
        $signatureDate = Carbon::parse($signatureDate ?: now())->format('Y年n月j日');
        $html = view('business.pdf.courier-quote', [
            'version' => $version,
            'change' => $version->change,
            'values' => $data['values'],
            'formulas' => $data['formulas'],
            'partyA' => $data['party_a'],
            'expiryDate' => $data['expiry_date'],
            'faceFee' => $data['face_fee'],
            'bubbleCoefficient' => $data['bubble_coefficient'],
            'signatureDate' => $signatureDate,
            'generatedAt' => now(),
            'fontPath' => str_replace('\\', '/', resource_path('fonts/DroidSansFallback.ttf')),
        ])->render();

        $pdf = app('dompdf.wrapper');
        $pdf->setPaper('a4', 'landscape');
        $pdf->loadHTML($html, 'UTF-8');
        $bytes = $pdf->output();

        if (! is_string($bytes) || ! str_starts_with($bytes, '%PDF-')) {
            throw new RuntimeException('报价 PDF 生成失败。');
        }

        return $bytes;
    }
}