/**
 * Copyright (c) 2011-2015, SpaceToad and the BuildCraft Team
 * http://www.mod-buildcraft.com
 * <p/>
 * BuildCraft is distributed under the terms of the Minecraft Mod Public
 * License 1.0, or MMPL. Please check the contents of the license located in
 * http://www.mod-buildcraft.com/MMPL-1.0.txt
 */
package buildcraft.transport.statements;

import net.minecraft.client.renderer.texture.IIconRegister;

import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;

import buildcraft.api.gates.IGate;
import buildcraft.api.statements.IStatementContainer;
import buildcraft.api.statements.IStatementParameter;
import buildcraft.api.statements.ITriggerInternal;
import buildcraft.core.lib.utils.StringUtils;
import buildcraft.core.statements.BCStatement;
import buildcraft.core.statements.StatementParameterRedstoneGateSideOnly;
import buildcraft.transport.TileGenericPipe;

public class TriggerRedstoneFaderInput extends BCStatement implements ITriggerInternal {

	public final int level;

	public TriggerRedstoneFaderInput(int level) {
		super(String.format("buildcraft:redtone.input.%02d", level));

		this.level = level;
	}

	@Override
	public String getDescription() {
		return String.format(StringUtils.localize("gate.trigger.redstone.input.level"), level);
	}

	@Override
	public boolean isTriggerActive(IStatementContainer container, IStatementParameter[] parameters) {
		if (!(container instanceof IGate)) {
			return false;
		}

		IGate gate = (IGate) container;
		TileGenericPipe tile = (TileGenericPipe) gate.getPipe().getTile();
		int inputLevel = tile.redstoneInput;
		if (parameters.length > 0 && parameters[0] instanceof StatementParameterRedstoneGateSideOnly &&
				((StatementParameterRedstoneGateSideOnly) parameters[0]).isOn) {
			inputLevel = tile.redstoneInputSide[gate.getSide().ordinal()];
		}

		return inputLevel == level;
	}

	@Override
	@SideOnly(Side.CLIENT)
	public void registerIcons(IIconRegister iconRegister) {
		icon = iconRegister.registerIcon(String.format("buildcrafttransport:triggers/redstone_%02d", level));
	}

	@Override
	public IStatementParameter createParameter(int index) {
		IStatementParameter param = null;

		if (index == 0) {
			param = new StatementParameterRedstoneGateSideOnly();
		}

		return param;
	}

	@Override
	public int maxParameters() {
		return 1;
	}
}