import fs from "node:fs";
import path from "node:path";
import type { ProductConfig, ProductLocale } from "../../../../types/products/index.js";
import { DEFAULT_LOCALE } from "../../../../constants/unified-locales.js";
import { getProductsDir } from "../../../../utils/config.util.js";
/**
* Load product config and locales from public/products/[slug]/
*/
export function loadProductLocales(slug: string): {
config: ProductConfig | null;
locales: Record<string, ProductLocale>;
} {
const productsDir = getProductsDir();
const productDir = path.join(productsDir, slug);
const configPath = path.join(productDir, "config.json");
const localesDir = path.join(productDir, "locales");
let config: ProductConfig | null = null;
if (fs.existsSync(configPath)) {
const raw = fs.readFileSync(configPath, "utf-8");
config = JSON.parse(raw) as ProductConfig;
}
if (!fs.existsSync(localesDir)) {
throw new Error(`No locales directory found for ${slug}`);
}
const locales: Record<string, ProductLocale> = {};
const localeFiles = fs
.readdirSync(localesDir)
.filter((file) => file.endsWith(".json"));
if (localeFiles.length === 0) {
throw new Error(`No locale files found for ${slug}`);
}
for (const file of localeFiles) {
const localeCode = file.replace(".json", "");
const localePath = path.join(localesDir, file);
const content = fs.readFileSync(localePath, "utf-8");
locales[localeCode] = JSON.parse(content) as ProductLocale;
}
return { config, locales };
}
/**
* Resolve primary locale from config and available locales
*/
export function resolvePrimaryLocale(
config: ProductConfig | null,
locales: Record<string, ProductLocale>
): string {
const localeKeys = Object.keys(locales);
if (localeKeys.length === 0) {
return DEFAULT_LOCALE;
}
const configuredDefault = config?.content?.defaultLocale;
if (configuredDefault && locales[configuredDefault]) {
return configuredDefault;
}
if (locales[DEFAULT_LOCALE]) {
return DEFAULT_LOCALE;
}
return localeKeys[0];
}
