package customskinloader.loader;

import java.util.HashMap;
import java.util.Map;
import java.util.UUID;

import org.apache.commons.codec.Charsets;
import org.apache.commons.codec.binary.Base64;
import org.apache.commons.lang3.StringUtils;

import com.google.common.collect.Iterables;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.mojang.authlib.GameProfile;
import com.mojang.authlib.minecraft.MinecraftProfileTexture;
import com.mojang.authlib.minecraft.MinecraftSessionService;
import com.mojang.authlib.properties.Property;
import com.mojang.authlib.yggdrasil.response.MinecraftTexturesPayload;
import com.mojang.util.UUIDTypeAdapter;

import customskinloader.CustomSkinLoader;
import customskinloader.config.SkinSiteProfile;
import customskinloader.profile.ModelManager0;
import customskinloader.profile.UserProfile;
import customskinloader.utils.HttpRequestUtil;
import customskinloader.utils.HttpRequestUtil.HttpRequest;
import customskinloader.utils.HttpRequestUtil.HttpResponce;
import customskinloader.utils.MinecraftUtil;

public class MojangAPILoader implements ProfileLoader.IProfileLoader {

	public static final MinecraftSessionService defaultSessionService=MinecraftUtil.getSessionService();
	@Override
	public UserProfile loadProfile(SkinSiteProfile ssp, GameProfile gameProfile) throws Exception {
		Map<MinecraftProfileTexture.Type,MinecraftProfileTexture> map=getTextures(gameProfile);
		if(!map.isEmpty()){
			CustomSkinLoader.logger.info("Default profile will be used.");
			return ModelManager0.toUserProfile(map);
		}
		String username=gameProfile.getName();
		GameProfile newGameProfile=loadGameProfile(username);
		if(newGameProfile==null){
			CustomSkinLoader.logger.info("Profile not found.("+username+"'s profile not found.)");
			return null;
		}
		newGameProfile=defaultSessionService.fillProfileProperties(newGameProfile, false);
		map=getTextures(newGameProfile);
		if(!map.isEmpty()){
			gameProfile.getProperties().putAll(newGameProfile.getProperties());
			return ModelManager0.toUserProfile(map);
		}
		CustomSkinLoader.logger.info("Profile not found.("+username+" doesn't have skin/cape.)");
		return null;
	}
	
	public static GameProfile loadGameProfile(String username) throws Exception{
		//Doc (http://wiki.vg/Mojang_API#Username_-.3E_UUID_at_time)
		HttpResponce responce=HttpRequestUtil.makeHttpRequest(new HttpRequest("https://api.mojang.com/users/profiles/minecraft/"+username).setCacheTime(0));
		if(StringUtils.isEmpty(responce.content))
			return null;
		Gson gson=new GsonBuilder().registerTypeAdapter(UUID.class, new UUIDTypeAdapter()).create();
		GameProfile gameProfile=gson.fromJson(responce.content, GameProfile.class);
		if(gameProfile.getId()==null)
			return null;
		return new GameProfile(gameProfile.getId(),gameProfile.getName());
	}
	public static Map<MinecraftProfileTexture.Type,MinecraftProfileTexture> getTextures(GameProfile gameProfile) throws Exception{
		Property textureProperty=(Property)Iterables.getFirst(gameProfile.getProperties().get("textures"), null);
		if (textureProperty==null)
			return new HashMap();
		String value=textureProperty.getValue();
		if(StringUtils.isBlank(value))
			return new HashMap();
		String json=new String(Base64.decodeBase64(value),Charsets.UTF_8);
		Gson gson=new GsonBuilder().registerTypeAdapter(UUID.class,new UUIDTypeAdapter()).create();
		MinecraftTexturesPayload result=gson.fromJson(json,MinecraftTexturesPayload.class);
		if (result==null||result.getTextures()==null)
			return new HashMap();
		return result.getTextures();
	}
	
	@Override
	public boolean compare(SkinSiteProfile ssp0, SkinSiteProfile ssp1) {
		return true;
	}
	@Override
	public String getName() {
		return "MojangAPI";
	}

	@Override
	public void initLocalFolder(SkinSiteProfile ssp) {
	}
}