package noppes.npcs.controllers.data;

import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.nbt.NBTTagList;
import noppes.npcs.api.handler.data.IAnimation;
import noppes.npcs.api.handler.data.IFrame;
import noppes.npcs.constants.EnumAnimationPart;
import noppes.npcs.controllers.AnimationController;

import java.util.ArrayList;


public class Animation implements IAnimation {

	public ArrayList<Frame> frames = new ArrayList<>();
	public int currentFrame = 0;
	public int currentFrameTime = 0;

	public String name;
	public float speed = 1.0F;
	public byte smooth = 0;
	public int loop = -1; //If greater than 0 and less than the amount of frames, the animation will begin looping when it reaches this frame.
	public boolean renderTicks = false; // If true, MC ticks are used. If false, render ticks are used.

	public boolean whileStanding = true;
	public boolean whileAttacking = true;
	public boolean whileMoving = true;

	//Client-sided
	public boolean paused;

	public Animation(){}

	public Animation(String name){
		this.name = name;
	}

	public Animation(String name, float speed, byte smooth){
		this.name = name;
		this.speed = speed;
		this.smooth = smooth;
	}

	public IFrame currentFrame() {
		return currentFrame < frames.size() ? frames.get(currentFrame) : null;
	}

	public IFrame[] getFrames() {
		return frames.toArray(new Frame[0]);
	}

	public IAnimation setFrames(IFrame[] frames) {
		this.clearFrames();
		for (IFrame frame : frames) {
			this.frames.add((Frame) frame);
		}
		return this;
	}

	public IAnimation clearFrames() {
		this.frames.clear();
		return this;
	}

	public IAnimation addFrame(IFrame frame) {
		this.frames.add((Frame) frame);
		return this;
	}

	public IAnimation addFrame(int index, IFrame frame) {
		this.frames.add(index, (Frame) frame);
		return this;
	}

	public IAnimation removeFrame(IFrame frame) {
		this.frames.remove((Frame) frame);
		return this;
	}

	public IAnimation setName(String name) {
		this.name = name;
		return this;
	}

	public String getName() {
		return this.name;
	}

	public IAnimation setSpeed(float speed) {
		this.speed = speed;
		return this;
	}

	public float getSpeed() {
		return this.speed;
	}

	public IAnimation setSmooth(byte smooth) {
		this.smooth = smooth;
		return this;
	}

	public byte isSmooth() {
		return this.smooth;
	}

	public IAnimation useRenderTicks(boolean renderTicks) {
		this.renderTicks = renderTicks;
		return this;
	}

	public boolean useRenderTicks() {
		return this.renderTicks;
	}

	public IAnimation doWhileStanding(boolean whileStanding) {
		this.whileStanding = whileStanding;
		return this;
	}

	public boolean doWhileStanding() {
		return this.whileStanding;
	}

	public IAnimation doWhileMoving(boolean whileMoving) {
		this.whileMoving = whileMoving;
		return this;
	}

	public boolean doWhileMoving() {
		return this.whileMoving;
	}

	public IAnimation doWhileAttacking(boolean whileAttacking) {
		this.whileAttacking = whileAttacking;
		return this;
	}

	public boolean doWhileAttacking() {
		return this.whileAttacking;
	}

	public IAnimation setLoop(int loopAtFrame) {
		this.loop = loopAtFrame;
		return this;
	}

	public int loop() {
		return this.loop;
	}

	public IAnimation save() {
		return AnimationController.instance.saveAnimation(this);
	}

	public void readFromNBT(NBTTagCompound compound){
		name = compound.getString("Name");
		speed = compound.getFloat("Speed");
		smooth = compound.getByte("Smooth");
		loop = compound.getInteger("Loop");

		renderTicks = compound.getBoolean("RenderTicks");

		ArrayList<Frame> frames = new ArrayList<Frame>();
		NBTTagList list = compound.getTagList("Frames", 10);
		for (int i = 0; i < list.tagCount(); i++) {
			NBTTagCompound item = list.getCompoundTagAt(i);
			Frame frame = new Frame();
			frame.parent = this;
			frame.readFromNBT(item);
			frames.add(frame);
		}
		this.frames = frames;

		this.whileStanding = compound.getBoolean("WhileStanding");
		this.whileMoving = compound.getBoolean("WhileWalking");
		this.whileAttacking = compound.getBoolean("WhileAttacking");
	}

	public NBTTagCompound writeToNBT(){
		NBTTagCompound compound = new NBTTagCompound();
		compound.setString("Name", name);
		compound.setFloat("Speed", speed);
		compound.setByte("Smooth", smooth);
		compound.setInteger("Loop",loop);

		compound.setBoolean("RenderTicks", renderTicks);

		NBTTagList list = new NBTTagList();
		for(Frame frame : frames){
			NBTTagCompound item = frame.writeToNBT();
			list.appendTag(item);
		}
		compound.setTag("Frames", list);

		compound.setBoolean("WhileStanding", whileStanding);
		compound.setBoolean("WhileWalking", whileMoving);
		compound.setBoolean("WhileAttacking", whileAttacking);
		return compound;
	}

	@SideOnly(Side.CLIENT)
	public void increaseTime() {
		if (paused)
			return;

		this.currentFrameTime++;
		if (this.currentFrameTime == this.currentFrame().getDuration()) {
			Frame prevFrame = (Frame) this.currentFrame();
			Frame nextFrame = null;
			this.currentFrameTime = 0;
			this.currentFrame++;
			if (this.currentFrame < this.frames.size()) {
				nextFrame = this.frames.get(this.currentFrame);
			} else if (this.loop >= 0 && this.loop < this.frames.size()) {
				this.currentFrame = this.loop;
			}
			if (nextFrame != null) {
				for (EnumAnimationPart part : EnumAnimationPart.values()) {
					if (prevFrame.frameParts.containsKey(part) && nextFrame.frameParts.containsKey(part)) {
						nextFrame.frameParts.get(part).prevRotations = prevFrame.frameParts.get(part).prevRotations;
						nextFrame.frameParts.get(part).prevPivots = prevFrame.frameParts.get(part).prevPivots;
					}
				}
			}
		}
	}
}