import { LANGS } from "./preferences/decl.ts";
import { PREFS } from "./preferences/mod.ts";

const translations: { [key: string]: string } = {}

export async function init_locale() {
    let lang = "en"
    if (PREFS.language == "system") {
        const nl = navigator.language.split("-")[0]
        if (LANGS.includes(nl)) lang = nl
    }
    if (LANGS.includes(PREFS.language)) lang = PREFS.language

    const resp = await fetch(`/locale/${lang}.ini`)
    if (!resp.ok) throw new Error("language load failed");
    const ini = await resp.text()
    for (const line of ini.split("\n")) {
        if (!line.length || line == "[keks-meet]") continue
        const [key, value] = line.split("=", 2)
        translations[key] = value
    }
    console.log(translations);

}

export function tr(key: string, params: { [key: string]: string } = {}): string {
    return (translations[key] ?? `MISSING TR ${key}`).replace(/{(\w+)}/ig, (_m, n) => params[n])
}