import { computed } from 'vue';
import { ensureStartingSlash } from '../support/utils';
import { useData } from './data';
import { hashRef } from './hash';
export function useLangs({ removeCurrent = true, correspondingLink = false } = {}) {
    const { site, localeIndex, page, theme } = useData();
    const currentLang = computed(() => ({
        label: site.value.locales[localeIndex.value]?.label,
        link: site.value.locales[localeIndex.value]?.link ||
            (localeIndex.value === 'root' ? '/' : `/${localeIndex.value}/`)
    }));
    const localeLinks = computed(() => Object.entries(site.value.locales).flatMap(([key, value]) => removeCurrent && currentLang.value.label === value.label
        ? []
        : {
            text: value.label,
            link: normalizeLink(value.link || (key === 'root' ? '/' : `/${key}/`), theme.value.i18nRouting !== false && correspondingLink, page.value.relativePath.slice(currentLang.value.link.length - 1), !site.value.cleanUrls) + hashRef.value
        }));
    return { localeLinks, currentLang };
}
function normalizeLink(link, addPath, path, addExt) {
    return addPath
        ? link.replace(/\/$/, '') +
            ensureStartingSlash(path
                .replace(/(^|\/)index\.md$/, '$1')
                .replace(/\.md$/, addExt ? '.html' : ''))
        : link;
}