immich-folio/lib/config/parser.ts

import fs from 'fs';
import path from 'path';
import yaml from 'js-yaml';

export function loadYaml<T>(filename: string): T | null {
    const yamlPath = path.join(process.cwd(), 'content', filename);

    if (!fs.existsSync(yamlPath)) {
        return null;
    }

    const raw = fs.readFileSync(yamlPath, 'utf8');
    return (yaml.load(raw) || {}) as T;
}

const UUID_REGEX = /^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/i;

export function validateUuid(id: string, context: string): string {
    const trimmed = id.trim();
    if (!UUID_REGEX.test(trimmed)) {
        // If we are in setup mode or using dummy data, don't crash the build.
        // Return a valid dummy UUID so Next.js doesn't panic.
        console.warn(`Invalid UUID in ${context}: "${trimmed}" (Ignored for build/setup)`);
        return '00000000-0000-0000-0000-000000000000';
    }
    return trimmed;
}