package com.myoa.engineering.crawl.ppomppu.processor.dto;

import org.jsoup.nodes.Element;
import org.jsoup.select.Elements;

import com.myoa.engineering.crawl.ppomppu.processor.domain.PpomppuArticle;
import com.myoa.engineering.crawl.ppomppu.support.dto.code.PpomppuBoardName;

/**
 * PpomppuArticleTransformer
 *
 * @author Shin Woo-jin (woozu.shin@kakaoent.com)
 * @since 2021-09-08
 */
public final class PpomppuArticleParser {

    private PpomppuArticleParser() {}

    public static PpomppuArticle toArticle(Elements articleElement) {
        final String articleIdString = PpomppuArticleParser.parseArticleId(articleElement.get(0));
        final String title = PpomppuArticleParser.parseTitle(articleElement.get(2));
        final String articleUrl = PpomppuArticleParser.parseArticleUrl(articleElement.get(2));
        final String thumbnailUrl = PpomppuArticleParser.parseThumbnailUrl(articleElement.get(3));
        final Integer recommended = PpomppuArticleParser.parseRecommended(articleElement.get(6));
        final String hitString = PpomppuArticleParser.parseHit(articleElement.get(7));
        final String registeredAtString = PpomppuArticleParser.parseRegisteredAt(articleElement.get(5));

        return PpomppuArticleParseDTO.builder()
                                     .articleId(articleIdString)
                                     .title(title)
                                     .articleUrl(articleUrl)
                                     .thumbnailUrl(thumbnailUrl)
                                     .recommended(recommended)
                                     .hit(hitString)
                                     .registeredAt(registeredAtString)
                                     .build()
                                     .convert();
    }

    public static String parseArticleId(Element td) {
        return td.text().trim();
    }

    public static String parseTitle(Element td) {
        return td.getElementsByTag("a").text();
    }

    public static String parseArticleUrl(Element td) {
        return PpomppuBoardName.ofViewPageUrl(td.getElementsByTag("a").attr("href"));
    }

    public static String parseThumbnailUrl(Element td) {
        return "https:" + td.getElementsByTag("img").get(0).attr("src");
    }

    public static Integer parseRecommended(Element td) {
        final String voteString = td.text();
        final int recommended;

        if (voteString.isEmpty()) {
            recommended = 0;
        } else {
            final int voteUp = Integer.parseInt(td.text().split(" - ")[0]);
            final int voteDown = Integer.parseInt(td.text().split(" - ")[1]);
            recommended = voteUp - voteDown;
        }
        return recommended;
    }

    public static String parseHit(Element td) {
        return td.text();
    }

    public static String parseRegisteredAt(Element td) {
        return td.attr("title");
    }

}