package xp10d3.corelia.main;

import java.io.File;
import java.io.IOException;
import java.util.ArrayList;

import org.bukkit.Bukkit;
import org.bukkit.Material;
import org.bukkit.configuration.InvalidConfigurationException;
import org.bukkit.configuration.file.FileConfiguration;
import org.bukkit.configuration.file.YamlConfiguration;
import org.bukkit.entity.Item;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.block.Action;
import org.bukkit.event.block.BlockBreakEvent;
import org.bukkit.event.entity.PlayerDeathEvent;
import org.bukkit.event.inventory.InventoryClickEvent;
import org.bukkit.event.player.PlayerInteractEvent;
import org.bukkit.event.player.PlayerJoinEvent;
import org.bukkit.inventory.Inventory;
import org.bukkit.inventory.ItemStack;
import org.bukkit.inventory.meta.ItemMeta;
import org.bukkit.plugin.java.JavaPlugin;

import net.md_5.bungee.api.ChatColor;

// Note: Right now all commented out code is MySQL stuff.
/*
 Helpful stuff:
 https://www.spigotmc.org/wiki/connecting-to-databases-mysql/#getting-data
 https://dev.mysql.com/downloads/connector/j/
 https://www.spigotmc.org/threads/saving-player-data-to-a-config-file.232790/
 https://bukkit.org/threads/storing-player-data.168636/
 https://www.spigotmc.org/threads/config-adddefault.357226/
 https://www.spigotmc.org/wiki/config-files/
 https://www.spigotmc.org/threads/creating-config-file.246894/
 https://www.spigotmc.org/wiki/creating-a-config-file/
 https://www.spigotmc.org/threads/create-a-database.357617/
 https://www.spigotmc.org/threads/storing-data.226211/#post-2307586
 
*/
public class Core extends JavaPlugin implements Listener {
	
	public static Core instance;
	
	FileConfiguration config = getConfig();
	
	private File customConfigFile;
	private FileConfiguration customConfig;
	
	@Override
	public void onEnable() {
		createCustomConfig();
		getServer().getPluginManager().registerEvents(this, this);
		getLogger().info(" has started!");
		
	}
	
	@Override
	public void onDisable() {
		getLogger().info(" is disabled.");
	}
	
	public static Core getInstance() {
		return instance;
	}
	
    public FileConfiguration getCustomConfig() {
        return this.customConfig;
    }
	
    private void createCustomConfig() {
        customConfigFile = new File(getDataFolder(), "kills.yml");
        if (!customConfigFile.exists()) {
            customConfigFile.getParentFile().mkdirs();
            saveResource("kills.yml", false);
            getConfig().options().copyDefaults(true);
            saveDefaultConfig();
         }

        customConfig = new YamlConfiguration();
        try {
            customConfig.load(customConfigFile);
        } catch (IOException | InvalidConfigurationException e) {
            e.printStackTrace();
        }
    }
    
	@EventHandler
	public void onDeath(PlayerDeathEvent e) {
		Player p = e.getEntity();
		Player k = p.getKiller();
		int amount = customConfig.getInt("Data." + k.getUniqueId().toString() + ".Kills");
		customConfig.set("Data." + k.getUniqueId().toString() + ".Kills", amount + 0.5);
		saveConfig();
		double gold = config.getDouble("path.to.gold" + k.getUniqueId().toString());
		this.getConfig().set("path.to.gold" + k.getUniqueId().toString(), gold + 0.5);
		saveConfig();
		
		final ItemStack nugget = new ItemStack(Material.GOLD_NUGGET);
		final ItemMeta nuggetMeta = nugget.getItemMeta();
		ArrayList<String> nuggetLore = new ArrayList<>();
		nuggetLore.add("Right Click to display your balance.");
		nuggetLore.add("You get more money for every kill you get.");
		nuggetMeta.setLore(nuggetLore);
		
		nuggetMeta.setDisplayName(ChatColor.GOLD + "Balance");
		nugget.setItemMeta(nuggetMeta);
		
		p.getInventory().addItem(new ItemStack(Material.GOLD_NUGGET));
	}
	
	public Inventory goldGUI(Player player) {
		
		double gold = config.getDouble("path.to.gold" + player.getUniqueId().toString());
		
		final Inventory inventory = Bukkit.createInventory(null, 9, ChatColor.GOLD + "Balance");
		final ItemStack balance = new ItemStack(Material.GOLD_BLOCK);
		final ItemMeta balanceMeta = balance.getItemMeta();
		final ItemStack close = new ItemStack(Material.RED_STAINED_GLASS_PANE);
		final ItemMeta closeMeta = close.getItemMeta();
		
		ArrayList<String> balanceLore = new ArrayList<>();
		balanceLore.add(ChatColor.LIGHT_PURPLE + "Your balance is: " + gold + " gold.");
		balanceMeta.setLore(balanceLore);
		
		balanceMeta.setDisplayName(ChatColor.WHITE + player.getName() + "'s Balance");
		balance.setItemMeta(balanceMeta);
		closeMeta.setDisplayName(ChatColor.DARK_RED + "Close");
		close.setItemMeta(closeMeta);
		
		inventory.setItem(4, balance);
		inventory.setItem(8, close);
		
		return inventory;
		
	}
	
	@EventHandler
	public void onRightClickGoldNugget(PlayerInteractEvent event) {
		Player player = event.getPlayer();
		
		if (event.getItem() != null && event.getItem().getType() == Material.GOLD_NUGGET && (event.getAction().equals(Action.RIGHT_CLICK_BLOCK) || event.getAction().equals(Action.RIGHT_CLICK_AIR))) {
			player.openInventory(goldGUI(player));
		}
	}
	
	@EventHandler
	public void click(InventoryClickEvent event) {
		Player player = (Player) event.getWhoClicked();
		if ((event.getCurrentItem().getType() == Material.RED_STAINED_GLASS_PANE) && event.getRawSlot() < event.getInventory().getSize()) {
			player.closeInventory();
		}
	}

	@EventHandler
	public void onJoinBefore(PlayerJoinEvent player) {
		Player p = player.getPlayer();
		
		boolean hasPlayed = p.hasPlayedBefore();
		
		if (!hasPlayed) {
			final ItemStack nugget = new ItemStack(Material.GOLD_NUGGET);
			final ItemMeta nuggetMeta = nugget.getItemMeta();
			ArrayList<String> nuggetLore = new ArrayList<>();
			nuggetLore.add("Right Click to display your balance.");
			nuggetLore.add("You get more money for every kill you get.");
			nuggetMeta.setLore(nuggetLore);
			
			nuggetMeta.setDisplayName(ChatColor.GOLD + "Balance");
			nugget.setItemMeta(nuggetMeta);
			
			p.getInventory().addItem(new ItemStack(Material.GOLD_NUGGET));
		}
	}
	
	@EventHandler
	public void onBlockBreak(BlockBreakEvent event) {
		Player player = (Player) event.getPlayer();
		double gold = config.getDouble("path.to.gold" + player.getUniqueId().toString());
		this.getConfig().set("path.to.gold" + player.getUniqueId().toString(), gold + 0.05);
		saveConfig();
	}
	
	@EventHandler
	public void onItemPickup(InventoryClickEvent event) {
		Player player = (Player) event.getWhoClicked();
		if (event.getCurrentItem().getType() == Material.GOLD_BLOCK) {
			event.setCancelled(true);
		}
		player.sendMessage(ChatColor.RED + "Hey! You can't steal that Gold Block. Stop trying!");
	}
}