package com.rarchives.ripme.ripper.rippers;

import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

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

import com.rarchives.ripme.ripper.AbstractHTMLRipper;
import com.rarchives.ripme.utils.Http;

public class DribbbleRipper extends AbstractHTMLRipper {

    public DribbbleRipper(URL url) throws IOException {
        super(url);
    }

    @Override
    public String getHost() {
        return "dribbble";
    }
    @Override
    public String getDomain() {
        return "dribbble.com";
    }

    @Override
    public String getGID(URL url) throws MalformedURLException {
        Pattern p = Pattern.compile("^https?://[wm.]*dribbble\\.com/([a-zA-Z0-9]+).*$");
        Matcher m = p.matcher(url.toExternalForm());
        if (m.matches()) {
            return m.group(1);
        }
        throw new MalformedURLException("Expected dribbble.com URL format: " +
                "dribbble.com/albumid - got " + url + "instead");
    }

    @Override
    public Document getFirstPage() throws IOException {
        return Http.url(url).get();
    }
    @Override
    public Document getNextPage(Document doc) throws IOException {
        // Find next page
        Elements hrefs = doc.select("a.next_page");
        if (hrefs.size() == 0) {
            throw new IOException("No more pages");
        }
        String nextUrl = "https://www.dribbble.com" + hrefs.first().attr("href");
        sleep(500);
        return Http.url(nextUrl).get();
    }
    @Override
    public List<String> getURLsFromPage(Document doc) {
        List<String> imageURLs = new ArrayList<>();
        for (Element thumb : doc.select("a.dribbble-link > picture > source")) {
            // nl skips thumbnails
            if ( thumb.attr("srcset").contains("teaser")) continue;
            String image = thumb.attr("srcset").replace("_1x", "");
            imageURLs.add(image);
        }
        return imageURLs;
    }
    @Override
    public void downloadURL(URL url, int index) {
        addURLToDownload(url, getPrefix(index));
    }
}