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path: root/src/main/java/io/github/moulberry/notenoughupdates/util/HastebinUploader.java
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package io.github.moulberry.notenoughupdates.util;

import com.google.gson.Gson;
import com.google.gson.JsonObject;
import io.github.moulberry.notenoughupdates.NotEnoughUpdates;
import org.apache.commons.io.Charsets;
import org.apache.commons.io.IOUtils;

import java.net.HttpURLConnection;
import java.net.URL;
import java.nio.charset.StandardCharsets;

/**
 * @author ThatGravyBoat
 */
public class HastebinUploader {

    private static final String UPLOAD_URL = "https://hst.sh/documents";
    private static final String RETURN_URL = "https://hst.sh/";
    private static final String RAW_RETURN_URL = "https://hst.sh/raw/";

    private static final Gson GSON = new Gson();

    /**
     * @param data the data you want to upload
     * @param mode the mode in which the thing should return NORMAL = returns the url, RAW = returns the raw url, NO_URL = returns the slug.
     * @return The url if mode is NORMAL OR RAW, the slug if mode is NO_URL, and null if an error occurred.
     */
    public static String upload(String data, Mode mode) {
        try {
            byte[] bytes = data.getBytes(StandardCharsets.UTF_8);
            HttpURLConnection connection = (HttpURLConnection) new URL(UPLOAD_URL).openConnection();
            connection.setRequestMethod("POST");
            connection.addRequestProperty("User-Agent", "Minecraft Mod (" + NotEnoughUpdates.MODID + "/" + NotEnoughUpdates.VERSION + ")");
            connection.addRequestProperty("Content-Length", String.valueOf(bytes.length));
            connection.setReadTimeout(15000);
            connection.setConnectTimeout(15000);
            connection.setDoOutput(true);
            connection.getOutputStream().write(bytes);
            final JsonObject json = GSON.fromJson(IOUtils.toString(connection.getInputStream(), Charsets.UTF_8), JsonObject.class);
            if (!json.has("key")) return null;
            final String key = json.get("key").getAsString();
            switch (mode) {
                case RAW:
                    return RAW_RETURN_URL + key;
                case NORMAL:
                    return RETURN_URL + key;
                case NO_URL:
                    return key;
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }

    public enum Mode {
        NORMAL,
        RAW,
        NO_URL
    }
}