package com.loohp.limbo.File;

import java.awt.image.BufferedImage;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.nio.charset.StandardCharsets;
import java.util.Map.Entry;
import java.util.Optional;
import java.util.Properties;

import javax.imageio.ImageIO;

import com.loohp.limbo.Limbo;
import com.loohp.limbo.Location.Location;
import com.loohp.limbo.Utils.GameMode;
import com.loohp.limbo.Utils.NamespacedKey;
import com.loohp.limbo.World.World;

public class ServerProperties {
	
	public static final String COMMENT = "For explaination of what each of the options does, please visit:\nhttps://github.com/LOOHP/Limbo/blob/master/src/main/resources/server.properties";

	private File file;
	private int maxPlayers;
	private int serverPort;
	private String serverIp;
	private NamespacedKey levelName;
	private String schemFileName;
	private NamespacedKey levelDimension;
	private GameMode defaultGamemode;
	private Location worldSpawn;
	private boolean reducedDebugInfo;
	private boolean allowFlight;
	private String motdJson;
	private String versionString;
	private int protocol;
	private boolean bungeecord;
	private int viewDistance;
	private double ticksPerSecond;
	
	Optional<BufferedImage> favicon;

	public ServerProperties(File file) throws IOException {
		this.file = file;
		
		Properties def = new Properties();
		InputStreamReader defStream = new InputStreamReader(getClass().getClassLoader().getResourceAsStream("server.properties"), StandardCharsets.UTF_8);
		def.load(defStream);
		defStream.close();
		
		Properties prop = new Properties();
		InputStreamReader stream = new InputStreamReader(new FileInputStream(file), StandardCharsets.UTF_8);
		prop.load(stream);
		stream.close();
		
		for (Entry<Object, Object> entry : def.entrySet()) {
			String key = entry.getKey().toString();
			String value = entry.getValue().toString();
			prop.putIfAbsent(key, value);
		}
		PrintWriter pw = new PrintWriter(file, StandardCharsets.UTF_8);
		prop.store(pw, COMMENT);
		pw.close();

		protocol = Limbo.getInstance().serverImplmentationProtocol;

		maxPlayers = Integer.parseInt(prop.getProperty("max-players"));
		serverPort = Integer.parseInt(prop.getProperty("server-port"));
		serverIp = prop.getProperty("server-ip");
		String[] level = prop.getProperty("level-name").split(";");
		levelName = new NamespacedKey(level[0]);
		schemFileName = level[1];
		levelDimension = new NamespacedKey(prop.getProperty("level-dimension"));
		defaultGamemode = GameMode.fromName(new NamespacedKey(prop.getProperty("default-gamemode")).getKey());
		String[] locStr = prop.getProperty("world-spawn").split(";");
		World world = Limbo.getInstance().getWorld(locStr[0]);
		double x = Double.parseDouble(locStr[1]);
		double y = Double.parseDouble(locStr[2]);
		double z = Double.parseDouble(locStr[3]);
		float yaw = Float.parseFloat(locStr[4]);
		float pitch = Float.parseFloat(locStr[5]);
		worldSpawn = new Location(world, x, y, z, yaw, pitch);
		reducedDebugInfo = Boolean.parseBoolean(prop.getProperty("reduced-debug-info"));
		allowFlight = Boolean.parseBoolean(prop.getProperty("allow-flight"));
		motdJson = prop.getProperty("motd");
		versionString = prop.getProperty("version");
		bungeecord = Boolean.parseBoolean(prop.getProperty("bungeecord"));
		viewDistance = Integer.parseInt(prop.getProperty("view-distance"));
		ticksPerSecond = Double.parseDouble(prop.getProperty("ticks-per-second"));
		
		File png = new File("server-icon.png");
		if (png.exists()) {
			try {
				BufferedImage image = ImageIO.read(png);
				if (image.getHeight() == 64 && image.getWidth() == 64) {
					favicon = Optional.of(image);
				} else {
					Limbo.getInstance().getConsole().sendMessage("Unable to load server-icon.png! The image is not 64 x 64 in size!");
				}
			} catch (Exception e) {
				Limbo.getInstance().getConsole().sendMessage("Unable to load server-icon.png! Is it a png image?");
			}
		} else {
			Limbo.getInstance().getConsole().sendMessage("No server-icon.png found");
			favicon = Optional.empty();
		}

		Limbo.getInstance().getConsole().sendMessage("Loaded server.properties");
	}
	
	public String getServerImplementationVersion() {
		return Limbo.getInstance().serverImplementationVersion;
	}

	public boolean isBungeecord() {
		return bungeecord;
	}

	public Optional<BufferedImage> getFavicon() {
		return favicon;
	}

	public File getFile() {
		return file;
	}

	public int getMaxPlayers() {
		return maxPlayers;
	}

	public int getServerPort() {
		return serverPort;
	}

	public String getServerIp() {
		return serverIp;
	}

	public NamespacedKey getLevelName() {
		return levelName;
	}

	public String getSchemFileName() {
		return schemFileName;
	}

	public NamespacedKey getLevelDimension() {
		return levelDimension;
	}

	public GameMode getDefaultGamemode() {
		return defaultGamemode;
	}

	public Location getWorldSpawn() {
		return worldSpawn;
	}

	public void setWorldSpawn(Location location) {
		this.worldSpawn = location;
	}

	public boolean isReducedDebugInfo() {
		return reducedDebugInfo;
	}

	public boolean isAllowFlight() {
		return allowFlight;
	}

	public String getMotdJson() {
		return motdJson;
	}

	public String getVersionString() {
		return versionString;
	}

	public int getProtocol() {
		return protocol;
	}
	
	public int getViewDistance() {
		return viewDistance;
	}
	
	public double getDefinedTicksPerSecond() {
		return ticksPerSecond;
	}

}