package guerrerocraft61.discordbot;

import org.apache.commons.io.IOUtils;
import org.json.JSONObject;

import javax.imageio.ImageIO;
import java.awt.*;
import java.awt.image.BufferedImage;
import java.awt.image.RenderedImage;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.Base64;
import java.util.Objects;

public class Avatar {
    public static InputStream getPlayerAvatar(String nick) {
        try {
            return getPlayerImage(nick);
        } catch (Exception e) {
            e.printStackTrace();
            Image image;
            try {
                image = getMojangAPIAvatar(nick);
            } catch (Exception e2) {
                try {
                    image = ImageIO.read(new URL("https://imgur.com/3QZOSvJ.png"));
                } catch (IOException ioException) {
                    ioException.printStackTrace();
                    return new ByteArrayInputStream("Error".getBytes());
                }
            }
            ByteArrayOutputStream os = new ByteArrayOutputStream();
            try {
                ImageIO.write((RenderedImage) image, "png", os);
            } catch (IOException ioException) {
                ioException.printStackTrace();
                return new ByteArrayInputStream("Error".getBytes());
            }
            return new ByteArrayInputStream(os.toByteArray());
        }
    }

    private static InputStream getPlayerImage(String nick) throws IOException {
        BufferedImage image;
        image = getMojangAPIAvatar(nick);
        ByteArrayOutputStream os = new ByteArrayOutputStream();
        ImageIO.write(Objects.requireNonNull(image), "png", os);
        return new ByteArrayInputStream(os.toByteArray());

    }

    private static BufferedImage getMojangAPIAvatar(String nick) {
        String UUIDUrl = "https://api.mojang.com/users/profiles/minecraft/" + nick;
        String UUIDJson;
        BufferedImage errorImage = new BufferedImage(1, 1, BufferedImage.TYPE_4BYTE_ABGR);
        try {
            errorImage = ImageIO.read(new URL("https://minotar.net/helm/" + nick.replaceAll("\\s", "") + "/256.png"));
        } catch (IOException ioException) {
            ioException.printStackTrace();
        }
        try {
            //noinspection deprecation
            UUIDJson = IOUtils.toString(new URL(UUIDUrl));
        } catch (IOException ioException) {
            ioException.printStackTrace();
            return errorImage;
        }
        if(UUIDJson.isEmpty()) {
            return errorImage;
        }
        JSONObject UUIDJsonObject = new JSONObject(UUIDJson);
        String userUUID = UUIDJsonObject.getString("id");
        String base64Value;
        try {
            String skinURL = "https://sessionserver.mojang.com/session/minecraft/profile/" + userUUID;
            //noinspection deprecation
            String skinJSON = IOUtils.toString(new URL(skinURL));
            JSONObject skinJsonObject = new JSONObject(skinJSON);
            base64Value = ((JSONObject) skinJsonObject.getJSONArray("properties").get(0)).getString("value");
        } catch (IOException ioException) {
            ioException.printStackTrace();
            return errorImage;
        }
        byte[] decodedBytes = Base64.getDecoder().decode(base64Value);
        String decodedString = new String(decodedBytes);
        JSONObject jsonObject = new JSONObject(decodedString);
        URL url;
        BufferedImage image;
        try {
            url = new URL(jsonObject.getJSONObject("textures").getJSONObject("SKIN").getString("url"));
            image = ImageIO.read(url);
        } catch (IOException ioException) {
            ioException.printStackTrace();
            return errorImage;
        }
        BufferedImage newImage = image.getSubimage(8, 8, 8, 8);
        BufferedImage newImage2 = image.getSubimage(40, 8, 8, 8);
        int w = Math.max(newImage.getWidth(), newImage2.getWidth());
        int h = Math.max(newImage.getHeight(), newImage2.getHeight());
        BufferedImage combined = new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB);
        Graphics g = combined.getGraphics();
        g.drawImage(newImage, 0, 0, null);
        g.drawImage(newImage2, 0, 0, null);
        g.dispose();
        return DiscordBot.scale(combined, 256, 256);
    }
}