package noppes.npcs;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;

import cpw.mods.fml.common.FMLCommonHandler;
import cpw.mods.fml.common.eventhandler.SubscribeEvent;
import cpw.mods.fml.relauncher.Side;
import net.minecraft.block.Block;
import net.minecraft.entity.Entity;
import net.minecraft.entity.EntityList;
import net.minecraft.entity.EntityLivingBase;
import net.minecraft.entity.passive.EntityVillager;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.entity.player.EntityPlayerMP;
import net.minecraft.init.Blocks;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.nbt.NBTTagList;
import net.minecraft.server.MinecraftServer;
import net.minecraft.util.ChatComponentText;
import net.minecraft.util.ChatComponentTranslation;
import net.minecraft.util.MathHelper;
import net.minecraft.util.StatCollector;
import net.minecraft.village.MerchantRecipeList;
import net.minecraftforge.event.entity.EntityJoinWorldEvent;
import net.minecraftforge.event.entity.living.LivingDeathEvent;
import net.minecraftforge.event.entity.living.LivingHurtEvent;
import net.minecraftforge.event.entity.player.EntityInteractEvent;
import net.minecraftforge.event.entity.player.EntityItemPickupEvent;
import net.minecraftforge.event.entity.player.PlayerEvent;
import net.minecraftforge.event.entity.player.PlayerInteractEvent;
import net.minecraftforge.event.entity.player.PlayerInteractEvent.Action;
import net.minecraftforge.event.terraingen.PopulateChunkEvent;
import noppes.npcs.blocks.tiles.TileBanner;
import noppes.npcs.constants.EnumGuiType;
import noppes.npcs.constants.EnumPacketClient;
import noppes.npcs.constants.EnumQuestType;
import noppes.npcs.constants.EnumRoleType;
import noppes.npcs.controllers.*;
import noppes.npcs.controllers.data.*;
import noppes.npcs.entity.EntityNPCInterface;
import noppes.npcs.items.ItemExcalibur;
import noppes.npcs.items.ItemShield;
import noppes.npcs.items.ItemSoulstoneEmpty;
import noppes.npcs.quests.QuestItem;
import noppes.npcs.quests.QuestKill;
import noppes.npcs.roles.RoleFollower;

public class ServerEventsHandler {

	public static EntityVillager Merchant;
	public static Entity mounted;

	@SubscribeEvent
	public void invoke(EntityInteractEvent event) {
		ItemStack item = event.entityPlayer.getCurrentEquippedItem();
		if(item == null)
			return;
		boolean isRemote = event.entityPlayer.worldObj.isRemote;
		boolean npcInteracted = event.target instanceof EntityNPCInterface;

		if(!isRemote && CustomNpcs.OpsOnly && !MinecraftServer.getServer().getConfigurationManager().func_152596_g(event.entityPlayer.getGameProfile())){
			return;
		}

		if(!isRemote && item.getItem() == CustomItems.soulstoneEmpty && event.target instanceof EntityLivingBase) {
			((ItemSoulstoneEmpty)item.getItem()).store((EntityLivingBase)event.target, item, event.entityPlayer);
			if(CustomNpcs.PlayerLogging && FMLCommonHandler.instance().getEffectiveSide() == Side.SERVER){
				LogWriter.script(String.format("[%s] (Player) %s PICKED ENTITY %s", "SOULSTONE", event.entityPlayer.getCommandSenderName(), event.target));
			}
		}

		if(item.getItem() == CustomItems.wand && npcInteracted && !isRemote){
			if (!CustomNpcsPermissions.Instance.hasPermission(event.entityPlayer, CustomNpcsPermissions.NPC_GUI)){
				return;
			}
			event.setCanceled(true);
			NoppesUtilServer.sendOpenGui(event.entityPlayer, EnumGuiType.MainMenuDisplay, (EntityNPCInterface) event.target);
			if(CustomNpcs.PlayerLogging && FMLCommonHandler.instance().getEffectiveSide() == Side.SERVER){
				LogWriter.script(String.format("[%s] (Player) %s OPEN NPC %s (%s, %s, %s) [%s]", "WAND", event.entityPlayer.getCommandSenderName(), ((EntityNPCInterface)(event.target)).display.getName(), (int)(event.target).posX, (int)(event.target).posY, (int)(event.target).posZ,  (event.target).worldObj.getWorldInfo().getWorldName()));
			}
		}
		else if(item.getItem() == CustomItems.cloner && !isRemote && !(event.target instanceof EntityPlayer)){
			NBTTagCompound compound = new NBTTagCompound();
			if(!event.target.writeToNBTOptional(compound))
				return;
			PlayerData data = PlayerDataController.instance.getPlayerData(event.entityPlayer);
			ServerCloneController.Instance.cleanTags(compound);
			if(!Server.sendData((EntityPlayerMP)event.entityPlayer, EnumPacketClient.CLONE, compound))
				event.entityPlayer.addChatMessage(new ChatComponentText("Entity too big to clone"));
			data.cloned = compound;
			event.setCanceled(true);
		}
		else if(item.getItem() == CustomItems.scripter && !isRemote && npcInteracted){
			if(!CustomNpcsPermissions.Instance.hasPermission(event.entityPlayer, CustomNpcsPermissions.NPC_GUI))
				return;
			NoppesUtilServer.setEditingNpc(event.entityPlayer, (EntityNPCInterface)event.target);
			event.setCanceled(true);
			Server.sendData((EntityPlayerMP)event.entityPlayer, EnumPacketClient.GUI, EnumGuiType.Script.ordinal());
			if(CustomNpcs.PlayerLogging && FMLCommonHandler.instance().getEffectiveSide() == Side.SERVER){
				LogWriter.script(String.format("[%s] (Player) %s OPEN NPC %s (%s, %s, %s) [%s]", "SCRIPTER", event.entityPlayer.getCommandSenderName(), ((EntityNPCInterface)(event.target)).display.getName(), (int)(event.target).posX, (int)(event.target).posY, (int)(event.target).posZ,  (event.target).worldObj.getWorldInfo().getWorldName()));
			}
		}
		else if(item.getItem() == CustomItems.mount){
			if(!CustomNpcsPermissions.Instance.hasPermission(event.entityPlayer, CustomNpcsPermissions.TOOL_MOUNTER))
				return;
			event.setCanceled(true);
			mounted = event.target;
			if(isRemote)
				CustomNpcs.proxy.openGui(MathHelper.floor_double(mounted.posX), MathHelper.floor_double(mounted.posY), MathHelper.floor_double(mounted.posZ), EnumGuiType.MobSpawnerMounter, event.entityPlayer);
		}
		else if(item.getItem() == CustomItems.wand && event.target instanceof EntityVillager){
			if(!CustomNpcsPermissions.Instance.hasPermission(event.entityPlayer, CustomNpcsPermissions.EDIT_VILLAGER))
				return;
			event.setCanceled(true);
			Merchant = (EntityVillager)event.target;

			if(!isRemote){
				EntityPlayerMP player = (EntityPlayerMP) event.entityPlayer;
				player.openGui(CustomNpcs.instance, EnumGuiType.MerchantAdd.ordinal(), player.worldObj, 0, 0, 0);
				MerchantRecipeList merchantrecipelist = Merchant.getRecipes(player);

				if (merchantrecipelist != null)
				{
					Server.sendData(player, EnumPacketClient.VILLAGER_LIST, merchantrecipelist);
				}
			}
		}

	}

	@SubscribeEvent
	public void invoke(LivingHurtEvent event) {
		if(!(event.entityLiving instanceof EntityPlayer))
			return;

		EntityPlayer player = (EntityPlayer) event.entityLiving;
		if(event.source.isUnblockable() || event.source.isFireDamage())
			return;
		if(!player.isBlocking())
			return;
		ItemStack item = player.getCurrentEquippedItem();
		if(item == null || !(item.getItem() instanceof ItemShield))
			return;
		if(((ItemShield)item.getItem()).material.getDamageVsEntity() < player.getRNG().nextInt(9))
			return;
		float damage = item.getItemDamage() + event.ammount;

		item.damageItem((int) event.ammount, player);

		if(damage > item.getMaxDamage())
			event.ammount = damage - item.getMaxDamage();
		else{
			event.ammount = 0;
			event.setCanceled(true);
		}
	}

	@SubscribeEvent
	public void invoke(PlayerInteractEvent event) {
		EntityPlayer player = event.entityPlayer;
		Block block = player.worldObj.getBlock(event.x, event.y, event.z);
		if(event.action == Action.LEFT_CLICK_BLOCK && player.getHeldItem() != null && player.getHeldItem().getItem() == CustomItems.teleporter){
			event.setCanceled(true);
		}

		if(block == Blocks.crafting_table && event.action == Action.RIGHT_CLICK_BLOCK && !player.worldObj.isRemote){
			RecipeController controller = RecipeController.instance;
			NBTTagList list = new NBTTagList();
			int i = 0;
			for(RecipeCarpentry recipe : controller.globalRecipes.values()){
				list.appendTag(recipe.writeNBT());
				i++;
				if(i % 10 == 0){
					NBTTagCompound compound = new NBTTagCompound();
					compound.setTag("recipes", list);
					Server.sendData((EntityPlayerMP)player, EnumPacketClient.SYNCRECIPES_ADD, compound);
					list = new NBTTagList();
				}
			}

			if(i % 10 != 0){
				NBTTagCompound compound = new NBTTagCompound();
				compound.setTag("recipes", list);
				Server.sendData((EntityPlayerMP)player, EnumPacketClient.SYNCRECIPES_ADD, compound);
			}
			Server.sendData((EntityPlayerMP)player, EnumPacketClient.SYNCRECIPES_WORKBENCH);
		}
		if(block == CustomItems.carpentyBench && event.action == Action.RIGHT_CLICK_BLOCK && !player.worldObj.isRemote){
			RecipeController controller = RecipeController.instance;
			NBTTagList list = new NBTTagList();
			int i = 0;
			for(RecipeCarpentry recipe : controller.anvilRecipes.values()){
				list.appendTag(recipe.writeNBT());
				i++;
				if(i % 10 == 0){
					NBTTagCompound compound = new NBTTagCompound();
					compound.setTag("recipes", list);
					Server.sendData((EntityPlayerMP)player, EnumPacketClient.SYNCRECIPES_ADD, compound);
					list = new NBTTagList();
				}
			}

			if(i % 10 != 0){
				NBTTagCompound compound = new NBTTagCompound();
				compound.setTag("recipes", list);
				Server.sendData((EntityPlayerMP)player, EnumPacketClient.SYNCRECIPES_ADD, compound);
			}
			Server.sendData((EntityPlayerMP)player, EnumPacketClient.SYNCRECIPES_CARPENTRYBENCH);
		}
		if((block == CustomItems.banner || block == CustomItems.wallBanner || block == CustomItems.sign)  && event.action == Action.RIGHT_CLICK_BLOCK){
			ItemStack item = player.inventory.getCurrentItem();
			if(item == null || item.getItem() == null)
				return;
			int y = event.y;
			int meta = player.worldObj.getBlockMetadata(event.x, event.y, event.z);
			if(meta >= 7)
				y--;
			TileBanner tile = (TileBanner)player.worldObj.getTileEntity(event.x, y, event.z);
			if(!tile.canEdit()){
				if(item.getItem() == CustomItems.wand && CustomNpcsPermissions.hasPermission(player, CustomNpcsPermissions.EDIT_BLOCKS)){
					tile.time = System.currentTimeMillis();
					if(player.worldObj.isRemote)
						player.addChatComponentMessage(new ChatComponentTranslation("availability.editIcon"));
				}
				return;
			}

			if(!player.worldObj.isRemote){
				tile.icon = item.copy();
				player.worldObj.markBlockForUpdate(event.x, y, event.z);
				event.setCanceled(true);
			}

		}
	}

	@SubscribeEvent
	public void invoke(LivingDeathEvent event) {
		if(event.entityLiving.worldObj.isRemote)
			return;
		if(event.source.getEntity() != null){
			if(event.source.getEntity() instanceof EntityPlayer){
				doExcalibur((EntityPlayer) event.source.getEntity(),event.entityLiving);
			}

			if(event.source.getEntity() instanceof EntityNPCInterface && event.entityLiving != null){
				EntityNPCInterface npc = (EntityNPCInterface) event.source.getEntity();
				Line line = npc.advanced.getKillLine();
				if(line != null)
					npc.saySurrounding(line.formatTarget(event.entityLiving));

				EventHooks.onNPCKilledEntity(npc,event.entityLiving);
			}

			EntityPlayer player = null;
			if(event.source.getEntity() instanceof EntityPlayer)
				player = (EntityPlayer) event.source.getEntity();
			else if(event.source.getEntity() instanceof EntityNPCInterface && ((EntityNPCInterface)event.source.getEntity()).advanced.role == EnumRoleType.Follower)
				player = ((RoleFollower)((EntityNPCInterface)event.source.getEntity()).roleInterface).owner;
			if(player != null){
				doQuest(player, event.entityLiving, true);

				if(event.entityLiving instanceof EntityNPCInterface)
					doFactionPoints(player, (EntityNPCInterface)event.entityLiving);
			}
		}
		if(event.entityLiving instanceof EntityPlayer){
			PlayerData data = PlayerDataController.instance.getPlayerData((EntityPlayer)event.entityLiving);
			data.savePlayerDataOnFile();
		}
	}

	private void doExcalibur(EntityPlayer player, EntityLivingBase entity) {
		ItemStack item = player.getCurrentEquippedItem();
		if(item == null || item.getItem() != CustomItems.excalibur)
			return;
		Server.sendData((EntityPlayerMP)player, EnumPacketClient.PLAY_MUSIC, "customnpcs:songs.excalibur");
		player.addChatMessage(new ChatComponentTranslation("<" + StatCollector.translateToLocal(item.getItem().getUnlocalizedName() + ".name") + "> " + ItemExcalibur.quotes[player.getRNG().nextInt(ItemExcalibur.quotes.length)]));
	}

	private void doFactionPoints(EntityPlayer player, EntityNPCInterface npc) {
		npc.advanced.factions.addPoints(player);
	}

	private void doQuest(EntityPlayer player, EntityLivingBase entity, boolean all) {
		PlayerData playerData = PlayerDataController.instance.getPlayerData(player);
		PlayerQuestData questData = playerData.questData;
		boolean change = false;
		String entityName = EntityList.getEntityString(entity);

		ArrayList<QuestData> activeQuestValues = new ArrayList<>(questData.activeQuests.values());
		for(QuestData data : activeQuestValues){
			if(data.quest.type != EnumQuestType.Kill && data.quest.type != EnumQuestType.AreaKill)
				continue;
			if(data.quest.type == EnumQuestType.AreaKill && all){
				List<EntityPlayer> list = player.worldObj.getEntitiesWithinAABB(EntityPlayer.class, entity.boundingBox.expand(10, 10, 10));
				for(EntityPlayer pl : list)
					if(pl != player)
						doQuest(pl, entity, false);

			}
			String name = entityName;
			QuestKill quest = (QuestKill) data.quest.questInterface;

			Class entityType = EntityNPCInterface.class;
			if(quest.targetType == 2) {
				try {
					entityType = Class.forName(quest.customTargetType);
				} catch (ClassNotFoundException notFoundException) {
					continue;
				}
			}
			if(quest.targetType > 0 && !(entityType.isInstance(entity)))
				continue;
			if(quest.targets.containsKey(entity.getCommandSenderName()))
				name = entity.getCommandSenderName();
			else if(!quest.targets.containsKey(name))
				continue;
			HashMap<String, Integer> killed = quest.getKilled(data);
			if(killed.containsKey(name) && killed.get(name) >= quest.targets.get(name))
				continue;
			int amount = 0;
			if(killed.containsKey(name))
				amount = killed.get(name);
			killed.put(name, amount + 1);
			quest.setKilled(data, killed);
			change = true;
		}
		if(!change)
			return;

		questData.checkQuestCompletion(playerData,EnumQuestType.Kill);
	}

	@SubscribeEvent
	public void pickUp(EntityItemPickupEvent event){
		if(event.entityPlayer.worldObj.isRemote)
			return;
		PlayerData playerData = PlayerDataController.instance.getPlayerData(event.entityPlayer);
		PlayerQuestData questData = playerData.questData;
		QuestItem.pickedUp = event.item.getEntityItem();
		questData.checkQuestCompletion(playerData, EnumQuestType.Item);
	}

	@SubscribeEvent
	public void world(EntityJoinWorldEvent event){
		if(event.world.isRemote || !(event.entity instanceof EntityPlayer))
			return;
		PlayerData data = PlayerDataController.instance.getPlayerData((EntityPlayer) event.entity);
		data.updateCompanion(event.world);
	}

	@SubscribeEvent
	public void world(PlayerEvent.SaveToFile event){
		PlayerData data = PlayerDataController.instance.getPlayerData((EntityPlayer) event.entity);
		data.savePlayerDataOnFile();
	}

	@SubscribeEvent
	public void populateChunk(PopulateChunkEvent.Post event){
		NPCSpawning.performWorldGenSpawning(event.world, event.chunkX, event.chunkZ, event.rand);
	}
}