package mekanism.client;

import cpw.mods.fml.client.FMLClientHandler;
import cpw.mods.fml.common.eventhandler.SubscribeEvent;
import cpw.mods.fml.common.gameevent.TickEvent.ClientTickEvent;
import cpw.mods.fml.common.gameevent.TickEvent.Phase;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import mekanism.api.IClientTicker;
import mekanism.api.MekanismConfig.client;
import mekanism.api.gas.GasStack;
import mekanism.client.sound.SoundHandler;
import mekanism.common.CommonPlayerTickHandler;
import mekanism.common.KeySync;
import mekanism.common.Mekanism;
import mekanism.common.item.*;
import mekanism.common.item.ItemJetpack.JetpackMode;
import mekanism.common.network.PacketFlamethrowerData;
import mekanism.common.network.PacketFlamethrowerData.FlamethrowerDataMessage;
import mekanism.common.network.PacketJetpackData.JetpackDataMessage;
import mekanism.common.network.PacketJetpackData.JetpackPacket;
import mekanism.common.network.PacketScubaTankData.ScubaTankDataMessage;
import mekanism.common.network.PacketScubaTankData.ScubaTankPacket;
import mekanism.common.util.MekanismUtils;
import net.minecraft.client.Minecraft;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.ItemStack;
import net.minecraft.potion.PotionEffect;

import java.util.*;

import static mekanism.client.sound.SoundHandler.Channel.*;

/**
 * Client-side tick handler for Mekanism. Used mainly for the update check upon startup.
 * @author AidanBrady
 *
 */
@SideOnly(Side.CLIENT)
public class ClientTickHandler
{
	public boolean hasNotified = false;
	public boolean initHoliday = false;
	public boolean shouldReset = false;

	public static Minecraft mc = FMLClientHandler.instance().getClient();

	public static Set<IClientTicker> tickingSet = new HashSet<IClientTicker>();

	@SubscribeEvent
	public void onTick(ClientTickEvent event)
	{
		if(event.phase == Phase.START)
		{
			tickStart();
		}
	}

	public void tickStart()
	{
		MekanismClient.ticksPassed++;

		if(!hasNotified && mc.theWorld != null && Mekanism.latestVersionNumber != null && Mekanism.recentNews != null)
		{
			MekanismUtils.checkForUpdates(mc.thePlayer);
			hasNotified = true;
		}

		if(!Mekanism.proxy.isPaused())
		{
			for(Iterator<IClientTicker> iter = tickingSet.iterator(); iter.hasNext();)
			{
				IClientTicker ticker = iter.next();

				if(ticker.needsTicks())
				{
					ticker.clientTick();
				}
				else {
					iter.remove();
				}
			}
		}

		if(mc.theWorld != null)
		{
			shouldReset = true;
		}
		else if(shouldReset)
		{
			MekanismClient.reset();
			shouldReset = false;
		}

		if(mc.theWorld != null && !Mekanism.proxy.isPaused())
		{
			if((!initHoliday || MekanismClient.ticksPassed % 1200 == 0) && mc.thePlayer != null)
			{
				HolidayManager.check();
				initHoliday = true;
			}

			if(mc.thePlayer.getEquipmentInSlot(1) != null && mc.thePlayer.getEquipmentInSlot(1).getItem() instanceof ItemFreeRunners)
			{
				mc.thePlayer.stepHeight = 1.002F;
			}
			else {
				if(mc.thePlayer.stepHeight == 1.002F)
				{
					mc.thePlayer.stepHeight = 0.5F;
				}
			}
			
			if(Mekanism.flamethrowerActive.contains(mc.thePlayer.getCommandSenderName()) != isFlamethrowerOn(mc.thePlayer))
			{
				if(isFlamethrowerOn(mc.thePlayer))
				{
					Mekanism.flamethrowerActive.add(mc.thePlayer.getCommandSenderName());
				}
				else {
					Mekanism.flamethrowerActive.remove(mc.thePlayer.getCommandSenderName());
				}
				
				Mekanism.packetHandler.sendToServer(new FlamethrowerDataMessage(PacketFlamethrowerData.FlamethrowerPacket.UPDATE, mc.thePlayer.getCommandSenderName(), isFlamethrowerOn(mc.thePlayer)));
			}

			if(Mekanism.jetpackOn.contains(mc.thePlayer.getCommandSenderName()) != isJetpackOn(mc.thePlayer))
			{
				if(isJetpackOn(mc.thePlayer))
				{
					Mekanism.jetpackOn.add(mc.thePlayer.getCommandSenderName());
				}
				else {
					Mekanism.jetpackOn.remove(mc.thePlayer.getCommandSenderName());
				}

				Mekanism.packetHandler.sendToServer(new JetpackDataMessage(JetpackPacket.UPDATE, mc.thePlayer.getCommandSenderName(), isJetpackOn(mc.thePlayer)));
			}

			if(Mekanism.gasmaskOn.contains(mc.thePlayer.getCommandSenderName()) != isGasMaskOn(mc.thePlayer))
			{
				if(isGasMaskOn(mc.thePlayer) && mc.currentScreen == null)
				{
					Mekanism.gasmaskOn.add(mc.thePlayer.getCommandSenderName());
				}
				else {
					Mekanism.gasmaskOn.remove(mc.thePlayer.getCommandSenderName());
				}

				Mekanism.packetHandler.sendToServer(new ScubaTankDataMessage(ScubaTankPacket.UPDATE, mc.thePlayer.getCommandSenderName(), isGasMaskOn(mc.thePlayer)));
			}

			if(client.enablePlayerSounds)
			{
				Set<String> jetpackPlayers = new HashSet<String>(Mekanism.jetpackOn);
				for(String username : jetpackPlayers)
				{
					EntityPlayer player = mc.theWorld.getPlayerEntityByName(username);

					if(player != null)
					{
						if(!SoundHandler.soundPlaying(player, JETPACK))
						{
							SoundHandler.addSound(player, JETPACK, client.replaceSoundsWhenResuming);
						}
						
						SoundHandler.playSound(player, JETPACK);
					}
				}

				Set<String> gasmaskPlayers = new HashSet<String>(Mekanism.gasmaskOn);
				for(String username : gasmaskPlayers)
				{
					EntityPlayer player = mc.theWorld.getPlayerEntityByName(username);

					if(player != null)
					{
						if(!SoundHandler.soundPlaying(player, GASMASK))
						{
							SoundHandler.addSound(player, GASMASK, client.replaceSoundsWhenResuming);
						}
						
						SoundHandler.playSound(player, GASMASK);
					}
				}

				List<EntityPlayer> worldPlayers = new ArrayList<>((List<EntityPlayer>)mc.theWorld.playerEntities);
				for(EntityPlayer player : worldPlayers)
				{
					if(hasFlamethrower(player))
					{
						if(!SoundHandler.soundPlaying(player, FLAMETHROWER))
						{
							SoundHandler.addSound(player, FLAMETHROWER, client.replaceSoundsWhenResuming);
						}
						
						SoundHandler.playSound(player, FLAMETHROWER);
					}
				}
			}

			if(mc.thePlayer.getEquipmentInSlot(3) != null && mc.thePlayer.getEquipmentInSlot(3).getItem() instanceof ItemJetpack)
			{
				MekanismClient.updateKey(mc.gameSettings.keyBindJump, KeySync.ASCEND);
				MekanismClient.updateKey(mc.gameSettings.keyBindSneak, KeySync.DESCEND);
			}
			
			if(isFlamethrowerOn(mc.thePlayer))
			{
				ItemFlamethrower flamethrower = (ItemFlamethrower)mc.thePlayer.getCurrentEquippedItem().getItem();
				
				if(!mc.thePlayer.capabilities.isCreativeMode)
				{
					flamethrower.useGas(mc.thePlayer.getCurrentEquippedItem());
				}
			}
			
			if(isJetpackOn(mc.thePlayer))
			{
				ItemJetpack jetpack = (ItemJetpack)mc.thePlayer.getEquipmentInSlot(3).getItem();

				if(jetpack.getMode(mc.thePlayer.getEquipmentInSlot(3)) == JetpackMode.NORMAL)
				{
					mc.thePlayer.motionY = Math.min(mc.thePlayer.motionY + 0.15D, 0.5D);
					mc.thePlayer.fallDistance = 0.0F;
				}
				else if(jetpack.getMode(mc.thePlayer.getEquipmentInSlot(3)) == JetpackMode.HOVER)
				{
					if((!mc.gameSettings.keyBindJump.getIsKeyPressed() && !mc.gameSettings.keyBindSneak.getIsKeyPressed()) || (mc.gameSettings.keyBindJump.getIsKeyPressed() && mc.gameSettings.keyBindSneak.getIsKeyPressed()) || mc.currentScreen != null)
					{
						if(mc.thePlayer.motionY > 0)
						{
							mc.thePlayer.motionY = Math.max(mc.thePlayer.motionY - 0.15D, 0);
						}
						else if(mc.thePlayer.motionY < 0)
						{
							if(!CommonPlayerTickHandler.isOnGround(mc.thePlayer))
							{
								mc.thePlayer.motionY = Math.min(mc.thePlayer.motionY + 0.15D, 0);
							}
						}
					}
					else {
						if(mc.gameSettings.keyBindJump.getIsKeyPressed() && mc.currentScreen == null)
						{
							mc.thePlayer.motionY = Math.min(mc.thePlayer.motionY + 0.15D, 0.2D);
						}
						else if(mc.gameSettings.keyBindSneak.getIsKeyPressed() && mc.currentScreen == null)
						{
							if(!CommonPlayerTickHandler.isOnGround(mc.thePlayer))
							{
								mc.thePlayer.motionY = Math.max(mc.thePlayer.motionY - 0.15D, -0.2D);
							}
						}
					}

					mc.thePlayer.fallDistance = 0.0F;
				}

				jetpack.useGas(mc.thePlayer.getEquipmentInSlot(3));
			}

			if(isGasMaskOn(mc.thePlayer))
			{
				ItemScubaTank tank = (ItemScubaTank)mc.thePlayer.getEquipmentInSlot(3).getItem();

				final int max = 300;
				
				tank.useGas(mc.thePlayer.getEquipmentInSlot(3));
				GasStack received = tank.useGas(mc.thePlayer.getEquipmentInSlot(3), max-mc.thePlayer.getAir());

				if(received != null)
				{
					mc.thePlayer.setAir(mc.thePlayer.getAir()+received.amount);
				}
				
				if(mc.thePlayer.getAir() == max)
				{
					for(Object obj : mc.thePlayer.getActivePotionEffects())
					{
						if(obj instanceof PotionEffect)
						{
							for(int i = 0; i < 9; i++)
							{
								((PotionEffect)obj).onUpdate(mc.thePlayer);
							}
						}
					}
				}
			}
		}
	}

	public static void killDeadNetworks()
	{
		for(Iterator<IClientTicker> iter = tickingSet.iterator(); iter.hasNext();)
		{
			if(!iter.next().needsTicks())
			{
				iter.remove();
			}
		}
	}

	public static boolean isJetpackOn(EntityPlayer player)
	{
		if(player != mc.thePlayer)
		{
			return Mekanism.jetpackOn.contains(player.getCommandSenderName());
		}

		ItemStack stack = player.getEquipmentInSlot(3);

		if(stack != null && !player.capabilities.isCreativeMode)
		{
			if(stack.getItem() instanceof ItemJetpack)
			{
				ItemJetpack jetpack = (ItemJetpack)stack.getItem();

				if(jetpack.getGas(stack) != null)
				{
					if((mc.gameSettings.keyBindJump.getIsKeyPressed() && jetpack.getMode(stack) == JetpackMode.NORMAL) && mc.currentScreen == null)
					{
						return true;
					}
					else if(jetpack.getMode(stack) == JetpackMode.HOVER)
					{
						if((!mc.gameSettings.keyBindJump.getIsKeyPressed() && !mc.gameSettings.keyBindSneak.getIsKeyPressed()) || (mc.gameSettings.keyBindJump.getIsKeyPressed() && mc.gameSettings.keyBindSneak.getIsKeyPressed()) || mc.currentScreen != null)
						{
							return !player.onGround;
						}
						else if(mc.gameSettings.keyBindSneak.getIsKeyPressed() && mc.currentScreen == null)
						{
							return !player.onGround;
						}
						
						return true;
					}
				}
			}
		}

		return false;
	}

	public static boolean isGasMaskOn(EntityPlayer player)
	{
		if(player != mc.thePlayer)
		{
			return Mekanism.gasmaskOn.contains(player.getCommandSenderName());
		}

		ItemStack tank = player.inventory.armorInventory[2];
		ItemStack mask = player.inventory.armorInventory[3];

		if(tank != null && mask != null)
		{
			if(tank.getItem() instanceof ItemScubaTank && mask.getItem() instanceof ItemGasMask)
			{
				ItemScubaTank scubaTank = (ItemScubaTank)tank.getItem();

				if(scubaTank.getGas(tank) != null)
				{
					if(scubaTank.getFlowing(tank))
					{
						return true;
					}
				}
			}
		}

		return false;
	}
	
	public static boolean isFlamethrowerOn(EntityPlayer player)
	{
		if(player != mc.thePlayer)
		{
			return Mekanism.flamethrowerActive.contains(player.getCommandSenderName());
		}
		
		if(hasFlamethrower(player))
		{
			if(mc.gameSettings.keyBindUseItem.getIsKeyPressed())
			{
				return true;
			}
		}
		
		return false;
	}
	
	public static boolean hasFlamethrower(EntityPlayer player)
	{
		if(player.getCurrentEquippedItem() != null && player.getCurrentEquippedItem().getItem() instanceof ItemFlamethrower)
		{
			ItemFlamethrower flamethrower = (ItemFlamethrower)player.getCurrentEquippedItem().getItem();
			
			if(flamethrower.getGas(player.getCurrentEquippedItem()) != null)
			{
				return true;
			}
		}
		
		return false;
	}
}