package dqu.coupons;

import java.io.File;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

import org.bukkit.Bukkit;
import org.bukkit.ChatColor;
import org.bukkit.Material;
import org.bukkit.command.Command;
import org.bukkit.command.CommandSender;
import org.bukkit.configuration.file.FileConfiguration;
import org.bukkit.configuration.file.YamlConfiguration;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.player.PlayerInteractEvent;
import org.bukkit.event.player.PlayerJoinEvent;
import org.bukkit.inventory.ItemStack;
import org.bukkit.inventory.meta.ItemMeta;
import org.bukkit.plugin.java.JavaPlugin;

public class Main extends JavaPlugin implements Listener
{

    public int total = 1;
    public FileConfiguration config = getConfig();
    public File configfile = new File(getDataFolder(), "config.yml");

    @Override
    public void onEnable()
    {
        this.getConfig().options().copyDefaults(false);
        this.saveDefaultConfig();
        this.getServer().getPluginManager().registerEvents(this, this);
        this.getLogger().info("Plugin has been enabled!");
        countTotal();
    }

    @Override
    public void onDisable()
    {
        this.getLogger().info("Plugin has been disabled!");
    }

    public void AddToQueue(String playername, String value)
    {
        String config_data=(config.getString("Queue"));

        if(!config_data.contains(playername))
        {
            config_data += playername + ":" + value + ";";

            config.set("Queue", config_data);

            this.saveConfig();
        };

        return;
    };

    public void countTotal()
    {
        String yaml = "Setup";
        String yaml_path = "Setup";
        while ( yaml != null )
        {
            yaml_path = ("Coupons." + total + ".name");
            yaml = config.getString(yaml_path);
            total++;
        }
        total -= 2;
    }

    public void RemoveFromQueue(String playername)
    {
        ArrayList<String> config_data = new ArrayList<>();

        config_data.addAll(Arrays.asList(config.getString("Queue").split(";")));

        ArrayList<String> players = new ArrayList<>();

        for(int config_index = 0; config_index < config_data.size(); config_index += 1)
            players.add(config_data.get(config_index).split(":")[0]);


        if(players.contains(playername))
        {
            int index_of_player = (players.indexOf(playername));

            if(index_of_player > -1)
            {
                config_data.remove(index_of_player);

                String config_reformatted = "";

                for(int part = 0; part < config_data.size(); part += 1)
                    config_reformatted += (config_data.get(part) + ";");

                config.set("Queue", config_reformatted);

                this.saveConfig();
            };
        };

        return;
    };

    @Override
    public boolean onCommand(CommandSender sender, Command command, String alias, String[] args)
    {
        if (alias.equalsIgnoreCase("coupons"))
        {
            if (!sender.hasPermission("dqucoupons.coupons"))
            {
                sender.sendMessage(ChatColor.DARK_RED + "You dont have permission to run this command.");
                return true;
            }
            if (args.length == 0)
            {
                sender.sendMessage(ChatColor.DARK_GRAY + "[" + ChatColor.YELLOW + "Coupons" + ChatColor.DARK_GRAY + "]" + ChatColor.LIGHT_PURPLE + " Help for the coupons:");
                sender.sendMessage(ChatColor.AQUA + "/coupons give <id> [player]" + ChatColor.YELLOW + " Give someone a coupon");
                sender.sendMessage(ChatColor.AQUA + "/coupons queue" + ChatColor.YELLOW + " List of players in the queue");
                sender.sendMessage(ChatColor.AQUA + "/coupons queue remove <player>" + ChatColor.YELLOW + " Delete player from the queue");
                sender.sendMessage(ChatColor.AQUA + "/coupons reload" + ChatColor.YELLOW + " Reload the config file");
                return true;
            }
            if (args[0].equalsIgnoreCase("give"))
            {
                if (args.length < 2)
                {
                    sender.sendMessage(ChatColor.DARK_RED + "Invalid command. Type '/coupons' for help.");
                    return true;
                }
                String name_path = ("Coupons." + args[1].toString() + ".name");
                String name = config.getString(name_path);
                if (name != null && !name.isEmpty())
                {
                } else
                {
                    sender.sendMessage(ChatColor.DARK_RED + "Incorrect ID!");
                    System.out.println("Incorrect ID!");
                    return true;
                }
                name = ChatColor.translateAlternateColorCodes('&', name);
                if (args.length > 2)
                {
                    Player player = Bukkit.getPlayerExact(args[2]);
                    if (player == null)
                    {
                        AddToQueue(args[2], args[1]);
                        sender.sendMessage(ChatColor.DARK_GRAY + "[" + ChatColor.YELLOW + "Coupons" + ChatColor.DARK_GRAY + "]" + ChatColor.LIGHT_PURPLE + " This player is not online, added to the queue!");
                        System.out.println("This player is not online, added to the queue.");
                        return true;
                    }
                    Material material = Material.PAPER;
                    ItemStack item = new ItemStack(material);
                    ItemMeta meta = item.getItemMeta();
                    meta.setDisplayName(name);
                    item.setItemMeta(meta);
                    player.getInventory().addItem(item);
                    sender.sendMessage(ChatColor.DARK_GRAY + "[" + ChatColor.YELLOW + "Coupons" + ChatColor.DARK_GRAY + "]" + ChatColor.LIGHT_PURPLE + " Gave this player a coupon!");
                    System.out.println("Gave this player an item!");
                    return true;
                } else
                {
                    if ( sender instanceof Player )
                    {
                        Player player = (Player) sender;
                        Material material = Material.PAPER;
                        ItemStack item = new ItemStack(material);
                        ItemMeta meta = item.getItemMeta();
                        meta.setDisplayName(name);
                        item.setItemMeta(meta);
                        player.getInventory().addItem(item);
                        sender.sendMessage(ChatColor.DARK_GRAY + "[" + ChatColor.YELLOW + "Coupons" + ChatColor.DARK_GRAY + "]" + ChatColor.LIGHT_PURPLE + " Gave you an coupon!");
                        return true;
                    } else
                    {
                        System.out.println("Invalid command. Type /coupons for help.");
                        return true;
                    }
                }
            }

            if (args[0].equalsIgnoreCase("queue"))
            {
                if (args.length == 1)
                {
                    List<String> raw_buffer = Arrays.asList (config.getString("Queue").split(";"));

                    ArrayList<String> players = new ArrayList<>();
                    ArrayList<String> values = new ArrayList<>();

                    for(String player : raw_buffer)
                    {
                        if(player.contains(":"))
                        {
                            players.add(player.split(":")[0]);
                            values.add(player.split(":")[1]);
                        }
                    }

                    sender.sendMessage(ChatColor.DARK_GRAY + "[" + ChatColor.YELLOW + "Coupons" + ChatColor.DARK_GRAY + "]" + ChatColor.LIGHT_PURPLE + " List of the queue: \n");

                    for(int player_id = 0; player_id < players.size(); player_id += 1)
                    {
                        String playername = players.get(player_id);
                        String coupon_value = values.get(player_id);

                        String player_stats = (ChatColor.LIGHT_PURPLE + playername + ": " + coupon_value + "\n");
                        sender.sendMessage(player_stats);
                        System.out.println(player_stats);
                    };
                    return true;
                }
                if (args[1].equalsIgnoreCase("remove"))
                {
                    if (args.length < 2)
                    {
                        sender.sendMessage(ChatColor.DARK_RED + "Invalid command. Type /coupons for help.");
                        System.out.println("Invalid command. Type /coupons for help.");
                        return true;
                    }
                    RemoveFromQueue(args[2]);
                    sender.sendMessage(ChatColor.DARK_GRAY + "[" + ChatColor.YELLOW + "Coupons" + ChatColor.DARK_GRAY + "]" + ChatColor.LIGHT_PURPLE + " Removed player " + args[2] + " from the queue!");
                    return true;
                }
                sender.sendMessage(ChatColor.DARK_RED + "Invalid command. Type /coupons for help.");
                System.out.println("Invalid command. Type /coupons for help.");
                return true;
            }

            if (args[0].equalsIgnoreCase("reload"))
            {
                config = YamlConfiguration.loadConfiguration(configfile);
                countTotal();
                sender.sendMessage(ChatColor.DARK_GRAY + "[" + ChatColor.YELLOW + "Coupons" + ChatColor.DARK_GRAY + "]" + ChatColor.LIGHT_PURPLE + "Reloaded config!");
                System.out.println("Config reloaded");
                return true;
            }

            sender.sendMessage(ChatColor.DARK_RED + "Invalid command. Type '/coupons' for help.");
            System.out.println("Invalid command. Type /coupons for help.");
            return true;
        }
        return true;
    }

    @EventHandler
    public void onPlayerInteraction(PlayerInteractEvent e)
    {
        ItemStack item = e.getItem();

        if((item == null) || (item.getType() == Material.AIR))
            return;

        if(!item.hasItemMeta())
            return;

        ItemMeta item_meta = item.getItemMeta();

        if(!item_meta.hasDisplayName())
            return;

        String item_display_name = item_meta.getDisplayName();

        if(item.getType() == Material.PAPER)
        {
            for ( int i = 1 ; i <= total; i++ )
            {
                String path = ("Coupons." + i + ".name");
                String name = config.getString(path);
                name = ChatColor.translateAlternateColorCodes('&', name);
                if(item_display_name.equalsIgnoreCase(name))
                {
                    String cmd_path = ("Coupons." + i + ".cmd");
                    String acmd = config.getString(cmd_path);
                    if (acmd != null)
                    {
                        String cmd = acmd.replace("{player}", e.getPlayer().getName());
                        e.getPlayer().getInventory().remove(item);
                        Bukkit.getServer().dispatchCommand((CommandSender)Bukkit.getConsoleSender(), cmd);
                    }
                    break;
                }
            }
            return;
        }
        return;
    }

    @EventHandler
    public void onJoin(PlayerJoinEvent e)
    {
        String name = e.getPlayer().getName();
        List<String> raw_buffer = Arrays.asList (config.getString("Queue").split(";"));

        ArrayList<String> players = new ArrayList<>();
        ArrayList<String> values = new ArrayList<>();

        for(String player : raw_buffer)
        {
            if(player.contains(":"))
            {
                players.add(player.split(":")[0]);
                values.add(player.split(":")[1]);
            }
        }

        for(int player_id = 0; player_id < players.size(); player_id += 1)
        {
            String playername = players.get(player_id);
            String coupon_value = values.get(player_id);

            if (playername.equals(name))
            {
                System.out.println("This player is in the queue!");
                String name_path = ("Coupons." + coupon_value + ".name");
                String iname = config.getString(name_path);
                Material material = Material.PAPER;
                ItemStack item = new ItemStack(material);
                ItemMeta meta = item.getItemMeta();
                meta.setDisplayName(iname);
                item.setItemMeta(meta);
                e.getPlayer().getInventory().addItem(item);
                e.getPlayer().sendMessage(ChatColor.GRAY + "[" + ChatColor.YELLOW + "Coupons" + ChatColor.DARK_GRAY + "]" + ChatColor.LIGHT_PURPLE + "Gave you an coupon!");
                RemoveFromQueue(playername);
                return;
            }
        }
        System.out.println("This player isnt in the queue!");
        return;
    }

}