import { parseXml } from '@rgrove/parse-xml';

class Updater {
    archiveURL;
    feedType;
    constructor(archiveURL = "/", feedType = "rss") {
        this.archiveURL = archiveURL;
        this.feedType = feedType;
    }
    async getRawArchive() {
        const res = await fetch(`${this.archiveURL}.${this.feedType}`, {
            "mode": "cors"
        });
        const text = await res.text();
        return text;
    }
    getVersionDetails(entry) {
        let outEntry = { title: "", date: new Date, link: "", html: "" };
        entry.children.forEach((elm) => {
            let element = elm;
            if (element.name == "title") {
                outEntry.title = element.children[0].text;
            }
            else if (element.name == "date") {
                outEntry.date = new Date(element.children[0].text);
            }
            else if (element.name == "link") {
                outEntry.link = element.attributes["href"];
            }
            else if (element.name == "content") {
                outEntry.html = element.children[0].text;
            }
        });
        return outEntry;
    }
    async getArchive() {
        const rawArchive = await this.getRawArchive();
        const releaseNotes = parseXml(rawArchive);
        const output = [];
        // console.dir(releaseNotes) 
        releaseNotes.children[0].children.forEach((elm) => {
            if (elm.type == "element") {
                const element = elm;
                if (element.name == "entry") {
                    output.push(this.getVersionDetails(element));
                }
            }
        });
        return output;
    }
}

export { Updater as default };