package io.github.hsyyid.adminshop;

import io.github.hsyyid.adminshop.cmdexecutors.SetItemShopExecutor;
import io.github.hsyyid.adminshop.utils.AdminShop;
import io.github.hsyyid.adminshop.utils.LocationAdapter;
import io.github.hsyyid.adminshop.utils.ShopItem;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.Arrays;

import ninja.leaping.configurate.ConfigurationNode;
import ninja.leaping.configurate.commented.CommentedConfigurationNode;
import ninja.leaping.configurate.loader.ConfigurationLoader;

import org.slf4j.Logger;
import org.spongepowered.api.Game;
import org.spongepowered.api.block.BlockTypes;
import org.spongepowered.api.block.tileentity.Sign;
import org.spongepowered.api.data.manipulator.tileentity.SignData;
import org.spongepowered.api.entity.player.Player;
import org.spongepowered.api.event.Subscribe;
import org.spongepowered.api.event.block.tileentity.SignChangeEvent;
import org.spongepowered.api.event.entity.player.PlayerBreakBlockEvent;
import org.spongepowered.api.event.entity.player.PlayerInteractBlockEvent;
import org.spongepowered.api.event.state.ServerStartedEvent;
import org.spongepowered.api.event.state.ServerStoppingEvent;
import org.spongepowered.api.plugin.Plugin;
import org.spongepowered.api.service.config.DefaultConfig;
import org.spongepowered.api.text.Texts;
import org.spongepowered.api.text.format.TextColors;
import org.spongepowered.api.util.command.args.GenericArguments;
import org.spongepowered.api.util.command.spec.CommandSpec;
import org.spongepowered.api.world.Location;
import org.spongepowered.api.world.TeleportHelper;

import com.erigitic.config.AccountManager;
import com.erigitic.main.TotalEconomy;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.inject.Inject;

@Plugin(id = "AdminShop", name = "AdminShop", version = "0.1", dependencies = "required-after:TotalEconomy")
public class Main
{
    public static Game game = null;
    public static ConfigurationNode config = null;
    public static ConfigurationLoader<CommentedConfigurationNode> configurationManager;
    public static TeleportHelper helper;
    public static ArrayList<AdminShop> adminShops = new ArrayList<AdminShop>();
    public static ArrayList<AdminShop> buyAdminShops = new ArrayList<AdminShop>();
    public static ArrayList<ShopItem> items = new ArrayList<ShopItem>();
    private Gson gson = new GsonBuilder().registerTypeHierarchyAdapter(Location.class, new LocationAdapter()).create();

    @Inject
    private Logger logger;

    public Logger getLogger()
    {
        return logger;
    }

    @Inject
    @DefaultConfig(sharedRoot = true)
    private File dConfig;

    @Inject
    @DefaultConfig(sharedRoot = true)
    private ConfigurationLoader<CommentedConfigurationNode> confManager;

    @Subscribe
    public void onServerStart(ServerStartedEvent event)
    {
        getLogger().info("AdminShop loading...");

        String json = null;
        String line = null;
        try
        {
            // FileReader reads text files in the default encoding.
            FileReader fileReader = new FileReader("AdminShops.json");

            // Always wrap FileReader in BufferedReader.
            BufferedReader bufferedReader = new BufferedReader(fileReader);

            while ((line = bufferedReader.readLine()) != null)
            {
                json = line;
            }

            // Always close files.
            bufferedReader.close();
        }
        catch (FileNotFoundException ex)
        {

        }
        catch (IOException ex)
        {

        }

        adminShops = new ArrayList<AdminShop>(Arrays.asList(gson.fromJson(json, AdminShop[].class)));

        String j = null;
        String l = null;
        try
        {
            // FileReader reads text files in the default encoding.
            FileReader fileReader = new FileReader("BuyAdminShops.json");

            // Always wrap FileReader in BufferedReader.
            BufferedReader bufferedReader = new BufferedReader(fileReader);

            while ((l = bufferedReader.readLine()) != null)
            {
                j = l;
            }

            // Always close files.
            bufferedReader.close();
        }
        catch (FileNotFoundException ex)
        {

        }
        catch (IOException ex)
        {

        }

        buyAdminShops = new ArrayList<AdminShop>(Arrays.asList(gson.fromJson(j, AdminShop[].class)));

        game = event.getGame();
        helper = game.getTeleportHelper();

        // Config File
        try
        {
            if (!dConfig.exists())
            {
                dConfig.createNewFile();
                config = confManager.load();
                confManager.save(config);
            }
            configurationManager = confManager;
            config = confManager.load();

        }
        catch (IOException exception)
        {
            getLogger().error("The default configuration could not be loaded or created!");
        }

        CommandSpec setItemShopCommandSpec = CommandSpec.builder()
            .description(Texts.of("Sets Item for a AdminShop"))
            .permission("adminshop.setitem")
            .arguments(GenericArguments.onlyOne(GenericArguments.string(Texts.of("item ID"))))
            .executor(new SetItemShopExecutor())
            .build();

        game.getCommandDispatcher().register(this, setItemShopCommandSpec, "setitem");

        getLogger().info("-----------------------------");
        getLogger().info("AdminShop was made by HassanS6000!");
        getLogger().info("Please post all errors on the Sponge Thread or on GitHub!");
        getLogger().info("Have fun, and enjoy! :D");
        getLogger().info("-----------------------------");
        getLogger().info("AdminShop loaded!");
    }

    @Subscribe
    public void onServerStopping(ServerStoppingEvent event)
    {
        String json = gson.toJson(adminShops);
        String j = gson.toJson(buyAdminShops);
        try
        {
            // Assume default encoding.
            FileWriter fileWriter = new FileWriter("AdminShops.json");

            // Always wrap FileWriter in BufferedWriter.
            BufferedWriter bufferedWriter = new BufferedWriter(fileWriter);

            bufferedWriter.write(json);

            // Always close files.
            bufferedWriter.close();
        }
        catch (IOException ex)
        {
            getLogger().error("Could not save JSON file!");
        }

        try
        {
            // Assume default encoding.
            FileWriter fileWriter = new FileWriter("BuyAdminShops.json");

            // Always wrap FileWriter in BufferedWriter.
            BufferedWriter bufferedWriter = new BufferedWriter(fileWriter);

            bufferedWriter.write(j);

            // Always close files.
            bufferedWriter.close();
        }
        catch (IOException ex)
        {
            getLogger().error("Could not save JSON file!");
        }
    }

    @Subscribe
    public void onSignChange(SignChangeEvent event)
    {
        Player player = null;
        if (event.getCause().isPresent() && event.getCause().get().getCause() instanceof Player)
        {
            player = (Player) event.getCause().get().getCause();
        }

        Sign sign = event.getTile();
        Location signLocation = sign.getBlock();
        SignData signData = event.getNewData();
        String line0 = Texts.toPlain(signData.getLine(0));
        String line1 = Texts.toPlain(signData.getLine(1));
        String line2 = Texts.toPlain(signData.getLine(2));
        String line3 = Texts.toPlain(signData.getLine(3));

        if (line0.equals("[AdminShop]"))
        {
            if (player != null && player.hasPermission("adminshop.create"))
            {
                int itemAmount = Integer.parseInt(line1);
                double price = Double.parseDouble(line2);
                String itemName = line3;
                AdminShop shop = new AdminShop(itemAmount, price, itemName, signLocation);
                adminShops.add(shop);
                signData.setLine(0, Texts.of(TextColors.DARK_BLUE, "[AdminShop]"));
                player.sendMessage(Texts.of(TextColors.DARK_RED, "[AdminShop]: ", TextColors.GOLD, "Successfully created AdminShop!"));
            }
            else if (player != null)
            {
                player.sendMessage(Texts.of(TextColors.DARK_RED, "[AdminShop]: ", TextColors.DARK_RED, "Error! ", TextColors.RED, "You do not have permission to create an AdminShop!"));
            }
        }
        else if (line0.equals("[AdminShopSell]"))
        {
            if (player != null && player.hasPermission("adminshop.create"))
            {
                int itemAmount = Integer.parseInt(line1);
                double price = Double.parseDouble(line2);
                String itemName = line3;
                AdminShop shop = new AdminShop(itemAmount, price, itemName, signLocation);
                buyAdminShops.add(shop);
                signData.setLine(0, Texts.of(TextColors.DARK_BLUE, "[AdminShopSell]"));
                player.sendMessage(Texts.of(TextColors.DARK_RED, "[AdminShop]: ", TextColors.GOLD, "Successfully created AdminShop!"));
            }
            else if (player != null)
            {
                player.sendMessage(Texts.of(TextColors.DARK_RED, "[AdminShop]: ", TextColors.DARK_RED, "Error! ", TextColors.RED, "You do not have permission to create an AdminShop!"));
            }
        }

        event.setNewData(signData);
    }

    @Subscribe
    public void onPlayerBreakBlock(PlayerBreakBlockEvent event)
    {
        if (event.getBlock().getBlock() != null && (event.getBlock().getBlock().getType() == BlockTypes.WALL_SIGN || event.getBlock().getBlock().getType() == BlockTypes.STANDING_SIGN))
        {
            AdminShop thisShop = null;
            for (AdminShop shop : adminShops)
            {
                if (shop.getSignLocation().getX() == event.getBlock().getX() && shop.getSignLocation().getY() == event.getBlock().getY() && shop.getSignLocation().getZ() == event.getBlock().getZ())
                {
                    thisShop = shop;
                }
            }

            if (thisShop != null && event.getEntity().hasPermission("adminshop.remove"))
            {
                event.getEntity().sendMessage(Texts.of(TextColors.DARK_RED, "[AdminShop]:", TextColors.GREEN, " AdminShop successfully removed!"));
                adminShops.remove(thisShop);
            }
            else if (thisShop != null)
            {
                event.getEntity().sendMessage(Texts.of(TextColors.DARK_RED, "[AdminShop]: Error!", TextColors.RED, " you do not have permission to destroy AdminShops!"));
                event.setCancelled(true);
            }
            else
            {
                AdminShop thisBuyShop = null;
                for (AdminShop shop : buyAdminShops)
                {
                    if (shop.getSignLocation().getX() == event.getBlock().getX() && shop.getSignLocation().getY() == event.getBlock().getY() && shop.getSignLocation().getZ() == event.getBlock().getZ())
                    {
                        thisBuyShop = shop;
                    }
                }

                if (thisBuyShop != null && event.getEntity().hasPermission("adminshop.remove"))
                {
                    event.getEntity().sendMessage(Texts.of(TextColors.DARK_RED, "[AdminShop]:", TextColors.GREEN, " AdminShop successfully removed!"));
                    buyAdminShops.remove(thisBuyShop);
                }
                else if (thisBuyShop != null)
                {
                    event.getEntity().sendMessage(Texts.of(TextColors.DARK_RED, "[AdminShop]: Error!", TextColors.RED, " you do not have permission to destroy AdminShops!"));
                    event.setCancelled(true);
                }
            }
        }
    }

    @Subscribe
    public void onPlayerInteractBlock(PlayerInteractBlockEvent event)
    {
        if (event.getBlock().getBlock() != null && (event.getBlock().getBlock().getType() == BlockTypes.WALL_SIGN || event.getBlock().getBlock().getType() == BlockTypes.STANDING_SIGN))
        {
            AdminShop thisShop = null;
            for (AdminShop chestShop : adminShops)
            {
                if (chestShop.getSignLocation().getX() == event.getBlock().getX() && chestShop.getSignLocation().getY() == event.getBlock().getY() && chestShop.getSignLocation().getZ() == event.getBlock().getZ())
                {
                    thisShop = chestShop;
                }
            }

            if (thisShop != null)
            {
                ShopItem item = null;
                for (ShopItem i : items)
                {
                    if (i.getPlayer().getUniqueId() == event.getEntity().getUniqueId())
                    {
                        item = i;
                        break;
                    }
                }

                if (item != null)
                {
                    adminShops.remove(thisShop);
                    thisShop.setItemName(item.getItemID());
                    adminShops.add(thisShop);
                    items.remove(item);
                    event.getEntity().sendMessage(Texts.of(TextColors.DARK_RED, "[AdminShop]: ", TextColors.GREEN, "Successfully set new item ID."));
                }
                else
                {
                    int itemAmount = thisShop.getItemAmount();
                    double price = thisShop.getPrice();
                    String itemName = thisShop.getItemName();

                    Player player = event.getEntity();
                    TotalEconomy totalEconomy = (TotalEconomy) game.getPluginManager().getPlugin("TotalEconomy").get().getInstance();
                    AccountManager accountManager = totalEconomy.getAccountManager();
                    BigDecimal amount = new BigDecimal(price);

                    if (accountManager.getBalance(player).intValue() > amount.intValue())
                    {
                        accountManager.removeFromBalance(player, amount);
                        player.sendMessage(Texts.of(TextColors.DARK_RED, "[AdminShop]: ", TextColors.GOLD, "You have just bought " + itemAmount + " " + itemName + " for " + price + " dollars."));
                        game.getCommandDispatcher().process(game.getServer().getConsole(), "give" + " " + player.getName() + " " + itemName + " " + itemAmount);
                    }
                    else
                    {
                        player.sendMessage(Texts.of(TextColors.DARK_RED, "[AdminShop]: ", TextColors.DARK_RED, "Error! ", TextColors.RED, "You don't have enough money to do that!"));
                    }
                }
            }
            else
            {
                AdminShop thisBuyShop = null;
                for (AdminShop chestShop : buyAdminShops)
                {
                    if (chestShop.getSignLocation().getX() == event.getBlock().getX() && chestShop.getSignLocation().getY() == event.getBlock().getY() && chestShop.getSignLocation().getZ() == event.getBlock().getZ())
                    {
                        thisBuyShop = chestShop;
                    }
                }

                if (thisBuyShop != null)
                {
                    ShopItem item = null;
                    for (ShopItem i : items)
                    {
                        if (i.getPlayer().getUniqueId() == event.getEntity().getUniqueId())
                        {
                            item = i;
                            break;
                        }
                    }

                    if (item != null)
                    {
                        buyAdminShops.remove(thisBuyShop);
                        thisBuyShop.setItemName(item.getItemID());
                        buyAdminShops.add(thisBuyShop);
                        items.remove(item);
                        event.getEntity().sendMessage(Texts.of(TextColors.DARK_RED, "[AdminShop]: ", TextColors.GREEN, "Successfully set new item ID."));
                    }
                    else
                    {
                        int itemAmount = thisBuyShop.getItemAmount();
                        double price = thisBuyShop.getPrice();
                        String itemName = thisBuyShop.getItemName();

                        Player player = event.getEntity();
                        TotalEconomy totalEconomy = (TotalEconomy) game.getPluginManager().getPlugin("TotalEconomy").get().getInstance();
                        AccountManager accountManager = totalEconomy.getAccountManager();
                        BigDecimal amount = new BigDecimal(price);

                        if (player.getItemInHand().isPresent() && player.getItemInHand().get().getItem().getName().equals(itemName) && player.getItemInHand().get().getQuantity() == itemAmount)
                        {
                            player.setItemInHand(null);
                            accountManager.addToBalance(player, amount, true);
                            player.sendMessage(Texts.of(TextColors.DARK_RED, "[AdminShop]: ", TextColors.GOLD, "You have just sold " + itemAmount + " " + itemName + " for " + price + " dollars."));
                        }
                        else
                        {
                            player.sendMessage(Texts.of(TextColors.DARK_RED, "[AdminShop]: ", TextColors.DARK_RED, "Error! ", TextColors.RED, "You're not holding this item or the right quantity of this item!"));
                        }
                    }
                }
            }
        }
    }

    public static ConfigurationLoader<CommentedConfigurationNode> getConfigManager()
    {
        return configurationManager;
    }
}