package net.lax1dude.eaglercraft;

import java.util.ArrayList;

import net.minecraft.src.Minecraft;
import net.minecraft.src.NBTBase;
import net.minecraft.src.NBTTagByteArray;
import net.minecraft.src.NBTTagCompound;

public class EaglerProfile {
	
	public static class EaglerProfileSkin {
		public String name;
		public byte[] data;
		public boolean slim;
		public int glTex;
		public EaglerProfileSkin(String name, byte[] data, boolean slim, int glTex) {
			this.name = name;
			this.data = data;
			this.slim = slim;
			this.glTex = glTex;
		}
	}
	
	public static class EaglerProfileCape {
		public String name;
		public byte[] data;
		public int glTex;
		public EaglerProfileCape(String name, byte[] data, int glTex) {
			this.name = name;
			this.data = data;
			this.glTex = glTex;
		}
	}

	public static String username;
	public static int presetSkinId;
	public static int customSkinId;
	public static int presetCapeId;
	public static int customCapeId;
	
	public static int newSkinNotificationIndex = 0;

	public static final int[] SKIN_DATA_SIZE = new int[] { 64*32*4, 64*64*4, -9, -9, 1, 64*64*4, -9 };
	public static final int[] CAPE_DATA_SIZE = new int[] { 32*32*4, -9, 1 };
	
	public static ArrayList<EaglerProfileSkin> skins = new ArrayList<>();
	public static ArrayList<EaglerProfileCape> capes = new ArrayList<>();
	
	public static final EaglercraftRandom rand;
	
	public static int getSkinSize(int len) {
		for(int i = 0; i < SKIN_DATA_SIZE.length; ++i) {
			if(len == SKIN_DATA_SIZE[i]) {
				return i;
			}
		}
		return -1;
	}
	
	public static int getCapeSize(int len) {
		for(int i = 0; i < CAPE_DATA_SIZE.length; ++i) {
			if(len == CAPE_DATA_SIZE[i]) {
				return i;
			}
		}
		return -1;
	}
	
	public static byte[] getSkinPacket() {
		if(presetSkinId == -1) {
			byte[] d = skins.get(customSkinId).data;
			if(d == null) {
				return new byte[] { (byte)4, (byte)0 };
			}
			byte[] d2 = new byte[1 + d.length];
			int sz = getSkinSize(d.length);
			if(sz < 0) {
				return new byte[] { (byte)4, (byte)0 };
			}
			d2[0] = (byte) sz;
			if(d2[0] == (byte)1 && skins.get(customSkinId).slim) {
				d2[0] = (byte)5;
			}
			if(d2[0] == (byte)3 && skins.get(customSkinId).slim) {
				d2[0] = (byte)6;
			}
			System.arraycopy(d, 0, d2, 1, d.length);
			return d2;
		}else {
			return new byte[] { (byte)4, (byte)presetSkinId };
		}
	}
	
	public static byte[] getCapePacket() {
		int sf = Minecraft.getMinecraft().gameSettings.getSkinLayers();
		if(presetCapeId == -1) {
			byte[] d = capes.get(customCapeId).data;
			if(d == null) {
				return new byte[] { (byte)2, (byte)sf, (byte)0 };
			}
			byte[] d2 = new byte[2 + d.length];
			int sz = getCapeSize(d.length);
			if(sz < 0) {
				return new byte[] { (byte)2, (byte)sf, (byte)0 };
			}
			d2[0] = (byte) sz;
			d2[1] = (byte) sf;
			System.arraycopy(d, 0, d2, 2, d.length);
			return d2;
		}else {
			return new byte[] { (byte)2, (byte)sf, (byte)presetCapeId };
		}
	}
	
	public static String[] concatArrays(String[] a, String[] b) {
		String[] r = new String[a.length + b.length];
		System.arraycopy(a, 0, r, 0, a.length);
		System.arraycopy(b, 0, r, a.length, b.length);
		return r;
	}
	
	public static int addSkin(String name, byte[] data, boolean slim) {
		int i = -1;
		for(int j = 0, l = skins.size(); j < l; ++j) {
			if(skins.get(j).name.equalsIgnoreCase(name)) {
				i = j;
				break;
			}
		}
		int t = getSkinSize(data.length);
		
		if(t == -1) {
			return -1;
		}
		
		int w, h;
		
		switch(t) {
		default:
		case 0:
			w = 64;
			h = 32;
			break;
		case 1:
		case 5:
			w = 64;
			h = 64;
			break;
		}
		
		int im = Minecraft.getMinecraft().renderEngine.setupTextureRaw(data, w, h);
		if(i == -1) {
			i = skins.size();
			skins.add(new EaglerProfileSkin(name, data, slim, im));
		}else {
			skins.get(i).glTex = im;
			skins.get(i).data = data;
			skins.get(i).slim = slim;
		}
		return i;
		
	}
	
	public static int addCape(String name, byte[] data) {
		int i = -1;
		for(int j = 0, l = capes.size(); j < l; ++j) {
			if(capes.get(j).name.equalsIgnoreCase(name)) {
				i = j;
				break;
			}
		}
		int t = getCapeSize(data.length);
		
		if(t == -1) {
			return -1;
		}
		
		int w, h;
		
		switch(t) {
		default:
		case 0:
			w = 32;
			h = 32;
			break;
		}
		
		int im = Minecraft.getMinecraft().renderEngine.setupTextureRaw(data, w, h);
		if(i == -1) {
			i = capes.size();
			capes.add(new EaglerProfileCape(name, data, im));
		}else {
			capes.get(i).glTex = im;
			capes.get(i).data = data;
		}
		return i;
		
	}
	
	static {
		String[] usernameDefaultWords = new String[] {
				"Yeeish", "Yeeish", "Yee", "Yee", "Yeer", "Yeeler", "Eagler", "Eagl",
				"Darver", "Darvler", "Vool", "Vigg", "Vigg", "Deev", "Yigg", "Yeeg"
		};
		
		rand = new EaglercraftRandom();
		
		do {
			username = usernameDefaultWords[rand.nextInt(usernameDefaultWords.length)] + usernameDefaultWords[rand.nextInt(usernameDefaultWords.length)] + (10 + rand.nextInt(90));
		}while(username.length() > 16);
		
		presetSkinId = rand.nextInt(GuiScreenEditProfile.defaultOptions.length);
		customSkinId = -1;
	}

	public static void loadFromStorage() {
		if(!LocalStorageManager.profileSettingsStorage.hasNoTags()) {
			presetSkinId = LocalStorageManager.profileSettingsStorage.getInteger("ps");
			customSkinId = LocalStorageManager.profileSettingsStorage.getInteger("cs");
			presetCapeId = LocalStorageManager.profileSettingsStorage.getInteger("pc");
			customCapeId = LocalStorageManager.profileSettingsStorage.getInteger("cc");
			username = LocalStorageManager.profileSettingsStorage.getString("name");
			newSkinNotificationIndex = LocalStorageManager.profileSettingsStorage.getInteger("nsi");
			if(newSkinNotificationIndex == 0) {
				newSkinNotificationIndex = GuiScreenEditProfile.newDefaultNotice;
			}
			NBTTagCompound n = LocalStorageManager.profileSettingsStorage.getCompoundTag("skins");
			for(Object s : NBTTagCompound.getTagMap(n).keySet()) {
				String s2 = (String)s;
				NBTBase k = n.getTag(s2);
				if(k.getId() == (byte)7) {
					addSkin(s2, ((NBTTagByteArray)k).byteArray, false);
				}else if(k.getId() == (byte)10) {
					addSkin(s2, ((NBTTagCompound)k).getByteArray("data"), ((NBTTagCompound)k).getBoolean("slim"));
				}
			}
			n = LocalStorageManager.profileSettingsStorage.getCompoundTag("capes");
			for(Object s : NBTTagCompound.getTagMap(n).keySet()) {
				NBTTagCompound ct = n.getCompoundTag((String)s);
				addCape((String)s, ct.getByteArray("data"));
			}
		}else {
			newSkinNotificationIndex = GuiScreenEditProfile.newDefaultNotice;
		}
	}
	
}