import { addOGP, appendAlternate, appendCanonical, appendJSONLD, } from './appendHead.js';
import { getJSONLDInfo } from './getJSONLDInfo.js';
import { getOGPInfo } from './getOGPInfo.js';
import { getAlternateLinks, getCanonicalLink, logger } from './utils/index.js';
export const appendSEO = (app, options) => {
    app.pages.forEach((page) => {
        const head = page.frontmatter.head || [];
        const canonicalLink = getCanonicalLink(page, options);
        const alternateLinks = getAlternateLinks(app, page, options);
        appendCanonical(head, canonicalLink);
        appendAlternate(head, alternateLinks);
        if (page.frontmatter.seo !== false) {
            const defaultOGP = getOGPInfo(page, options, app);
            const defaultJSONLD = getJSONLDInfo(page, options, app);
            const ogpContent = options.ogp
                ? options.ogp(defaultOGP, page, app)
                : defaultOGP;
            const jsonLDContent = options.jsonLd
                ? options.jsonLd(defaultJSONLD, page, app)
                : defaultJSONLD;
            if (app.env.isDebug) {
                logger.info(`OGP of ${page.path}:`, ogpContent);
                logger.info(`JSON-LD of ${page.path}:`, ogpContent);
            }
            addOGP(head, ogpContent);
            appendJSONLD(head, jsonLDContent);
            if (options.customHead)
                options.customHead(head, page, app);
        }
        page.frontmatter.head = head;
    });
};