import { readFileSync } from 'fs';
import { join } from 'path';

/**
 * Loads the Inter fonts for use in Satori (Next.js OG Image generation).
 * Since we are using runtime = 'nodejs', we can read them from the filesystem.
 */
export async function getOgFonts() {
    const boldFontPath = join(process.cwd(), 'public/fonts/Inter-Bold.ttf');
    const regularFontPath = join(process.cwd(), 'public/fonts/Inter-Regular.ttf');

    try {
        const boldFont = readFileSync(boldFontPath);
        const regularFont = readFileSync(regularFontPath);

        return [
            {
                name: 'Inter',
                data: boldFont,
                weight: 700 as const,
                style: 'normal' as const,
            },
            {
                name: 'Inter',
                data: regularFont,
                weight: 400 as const,
                style: 'normal' as const,
            },
        ];
    } catch (error) {
        console.error('Failed to load OG fonts from filesystem, falling back to system fonts:', error);
        return [];
    }
}

/**
 * Common configuration for OG images
 */
export const OG_IMAGE_SIZE = {
    width: 1200,
    height: 630,
};