<?php

namespace App\Providers;

use Barryvdh\DomPDF\Facade\Pdf;
use Illuminate\Foundation\Exceptions\Handler as ExceptionsHandler;
use Illuminate\Support\ServiceProvider;
use Modules\AnnoRoute\AnnoRoute;


class AppServiceProvider extends ServiceProvider
{
    /**
     * Register any application services.
     */
    public function register(): void
    {

        $this->app->bind(ExceptionsHandler::class, \App\Exceptions\ExceptionsHandler::class);
    }

    /**
     * Bootstrap any application services.
     */
    public function boot(AnnoRoute $annoRoute): void
    {
        // 注册路由
        $annoRoute->register(app_path('Http/Controllers'));

        // 注册 DomPDF 中文字体（黑体），PDF 导出使用 font-family: SimHei
        $this->registerDompdfChineseFont();
    }

    /**
     * 注册 DomPDF 中文字体（幂等：已注册则跳过）
     */
    private function registerDompdfChineseFont(): void
    {
        $fontFile = resource_path('fonts/simhei.ttf');
        if (! file_exists($fontFile)) {
            return;
        }

        $fontMetrics = Pdf::getDomPDF()->getFontMetrics();
        if ($fontMetrics->getFamily('SimHei')) {
            return;
        }

        if (! is_dir(storage_path('fonts'))) {
            mkdir(storage_path('fonts'), 0755, true);
        }

        $variants = [
            ['weight' => 'normal', 'style' => 'normal'],
            ['weight' => 'bold', 'style' => 'normal'],
            ['weight' => 'normal', 'style' => 'italic'],
            ['weight' => 'bold', 'style' => 'italic'],
        ];
        foreach ($variants as $variant) {
            $fontMetrics->registerFont(
                ['family' => 'SimHei', 'weight' => $variant['weight'], 'style' => $variant['style']],
                $fontFile
            );
        }
    }
}