package com.brohoof.minelittlepony;

import java.awt.image.BufferedImage;
import java.io.IOException;
import java.util.List;

import javax.annotation.Nonnull;

import com.brohoof.minelittlepony.model.PMAPI;
import com.brohoof.minelittlepony.model.PlayerModel;
import com.brohoof.minelittlepony.util.MineLPLogger;
import com.brohoof.minelittlepony.util.PonyFields;
import com.google.common.base.Function;
import com.google.common.base.Predicate;
import com.google.common.base.Splitter;
import com.google.common.collect.Lists;
import com.mojang.authlib.GameProfile;
import com.mumfrey.webprefs.WebPreferencesManager;
import com.mumfrey.webprefs.interfaces.IWebPreferences;
import com.voxelmodpack.hdskins.DynamicTextureImage;
import com.voxelmodpack.hdskins.HDSkinManager;

import net.minecraft.client.Minecraft;
import net.minecraft.client.entity.AbstractClientPlayer;
import net.minecraft.client.renderer.ThreadDownloadImageData;
import net.minecraft.client.renderer.texture.ITextureObject;
import net.minecraft.client.renderer.texture.TextureUtil;
import net.minecraft.client.resources.IResource;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.util.ResourceLocation;

public class Pony {

    private static PonyConfig config = MineLittlePony.getConfig();

    private static int ponyCount = 0;
    private final int ponyId = ponyCount++;

    public GameProfile profile;
    public ResourceLocation textureResourceLocation;
    public PonyData metadata = new PonyData();

    private int skinCheckCount;
    private boolean skinChecked;

    public Pony(@Nonnull AbstractClientPlayer player) {
        this.profile = player.getGameProfile();
        this.textureResourceLocation = player.getLocationSkin();
        MineLPLogger.debug("+ Initialising new pony #%d for player %s (%s) with resource location %s.", this.ponyId,
                player.getName(), player.getUniqueID(), this.textureResourceLocation);
        this.checkSkin(this.textureResourceLocation);
        this.checkMeta(profile);
    }

    public Pony(@Nonnull ResourceLocation aTextureResourceLocation) {
        this.textureResourceLocation = aTextureResourceLocation;
        MineLPLogger.debug("+ Initialising new pony #%d with resource location %s.", this.ponyId, this.textureResourceLocation);
        this.checkSkin(this.textureResourceLocation);
    }

    public void invalidateSkinCheck() {
        this.skinChecked = false;
        metadata = new PonyData();
    }

    public void checkSkin() {
        if (!this.skinChecked) {
            this.checkSkin(this.textureResourceLocation);
            this.checkMeta(this.profile);
        }
    }

    public void checkSkin(ResourceLocation textureResourceLocation) {
        BufferedImage skinImage = this.getBufferedImage(textureResourceLocation);
        if (skinImage != null) {
            this.checkSkin(skinImage);
        }
    }

    private void checkMeta(GameProfile profile) {
        final IWebPreferences prefs = WebPreferencesManager.getDefault().getPreferences(profile);

        if (prefs == null)
            return;

        final List<String> keys;
        if (prefs.has(HDSkinManager.METADATA_KEY)) {
            String list = prefs.get(HDSkinManager.METADATA_KEY);
            keys = Splitter.on(',').splitToList(list);
        } else {
            keys = Lists.newArrayList();
        }

        // >inb4 java 8
        // checkMeta(Predicates.and(keys::contains, prefs::has), prefs::get);
        checkMeta(new Predicate<String>() {
            @Override
            public boolean apply(String key) {
                return keys.contains(key) && prefs.has(key);
            }
        }, new Function<String, String>() {
            @Override
            public String apply(String key) {
                return prefs.get(key);
            }
        });
    }

    private void checkMeta(Predicate<String> has, Function<String, String> prefs) {

        if (has.apply(MineLittlePony.MLP_RACE))
            metadata.setRace(PonyRace.valueOf(prefs.apply(MineLittlePony.MLP_RACE)));
        if (has.apply(MineLittlePony.MLP_TAIL))
            metadata.setTail(TailLengths.valueOf(prefs.apply(MineLittlePony.MLP_TAIL)));
        if (has.apply(MineLittlePony.MLP_GENDER))
            metadata.setGender(PonyGender.valueOf(prefs.apply(MineLittlePony.MLP_GENDER)));
        if (has.apply(MineLittlePony.MLP_SIZE))
            metadata.setSize(PonySize.valueOf(prefs.apply(MineLittlePony.MLP_SIZE)));
        if (has.apply(MineLittlePony.MLP_MAGIC))
            metadata.setGlowColor(Integer.parseInt(prefs.apply(MineLittlePony.MLP_MAGIC)));
    }

    public BufferedImage getBufferedImage(@Nonnull ResourceLocation textureResourceLocation) {
        BufferedImage skinImage = null;
        try {
            IResource skin = Minecraft.getMinecraft().getResourceManager().getResource(textureResourceLocation);
            skinImage = TextureUtil.readBufferedImage(skin.getInputStream());
            MineLPLogger.debug("Obtained skin from resource location %s", textureResourceLocation);
            // this.checkSkin(skinImage);
        } catch (IOException var6) {
            Exception e = var6;

            try {
                ITextureObject e2 = Minecraft.getMinecraft().getTextureManager().getTexture(textureResourceLocation);
                if (e2 instanceof ThreadDownloadImageData) {

                    skinImage = PonyFields.downloadedImage.get((ThreadDownloadImageData) e2);
                    if (skinImage != null) {
                        MineLPLogger.debug(e, "Successfully reflected downloadedImage from texture object");
                        // this.checkSkin(skinImage);
                    }
                } else if (e2 instanceof DynamicTextureImage) {
                    skinImage = ((DynamicTextureImage) e2).getImage();
                }
            } catch (Exception var5) {

            }
        }

        return skinImage;
    }

    public void checkSkin(BufferedImage bufferedimage) {
        MineLPLogger.debug("\tStart skin check #%d for pony #%d with image %s.", ++this.skinCheckCount, this.ponyId);
        metadata = PonyData.parse(bufferedimage);
        this.skinChecked = true;
    }

    public boolean isPegasusFlying(EntityPlayer player) {
        if (this.metadata.getRace() == null || !this.metadata.getRace().hasWings()) {
            return false;
        }
        return player.capabilities.isFlying || !(player.onGround || player.isRiding() || player.isOnLadder() || player.isInWater() || player.isElytraFlying());
    }

    public PlayerModel getModel(boolean ignorePony, boolean smallArms) {
        boolean is_a_pony = false;
        switch (ignorePony ? PonyLevel.BOTH : config.getPonyLevel()) {
        case HUMANS:
            is_a_pony = false;
            break;
        case BOTH:
            is_a_pony = metadata.getRace() != null;
            break;
        case PONIES:
            is_a_pony = true;
        }

        PlayerModel model;
        if (is_a_pony) {
            model = smallArms ? PMAPI.ponySmall : PMAPI.pony;
        } else {
            model = smallArms ? PMAPI.humanSmall : PMAPI.human;
        }
        return model;
    }

    public ResourceLocation getTextureResourceLocation() {
        return this.textureResourceLocation;
    }

    public GameProfile getProfile() {
        return profile;
    }
}