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package qmaks.wgregions;

import com.earth2me.essentials.Essentials;
import com.sk89q.worldguard.bukkit.WorldGuardPlugin;
import com.sk89q.worldguard.protection.ApplicableRegionSet;
import com.sk89q.worldguard.protection.regions.ProtectedRegion;
import java.io.File;
import java.util.Iterator;
import java.util.List;
import org.bukkit.Bukkit;
import org.bukkit.GameMode;
import org.bukkit.Location;
import org.bukkit.block.Block;
import org.bukkit.command.Command;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.plugin.Plugin;
import org.bukkit.plugin.java.JavaPlugin;


/**
 *
 * @author Qmaks
 */
public class Main extends JavaPlugin implements Listener {

    private static List<String> regions;
    private static WorldGuardPlugin wg;
    private static Essentials ess;
    private static String msg;
    private static int sendmsg = 0;

    @Override
    public void onEnable() {
        if (this.getWorldGuard() == null || this.getEssentials() == null) {
            this.setEnabled(false);
            System.out.println("§f[§cWGR§f] §eПАСТАФЬ ТРЕБУЕМЫЕ ПЛУГИНЫ!");
        } else {
            wg = getWorldGuard();
            ess = getEssentials();
            msg = getConfig().getString("msg");
            regions = getConfig().getStringList("regions");
            if(!(new File(getDataFolder().toString()).exists())) {
                saveDefaultConfig();
            }
        }
        System.out.println("#################################################");
        System.out.println("################## [WGRegions] ##################");
        System.out.println("################ [Made by Qmaks] ################");
        System.out.println("############### [vk.com/theqmaks] ###############");
        System.out.println("#################################################");
        this.startChecker();
    }

    @EventHandler
    public boolean onCommand(CommandSender sender, Command cmd, String label, String[] args) {
            Player pl = (Player)sender;
            if (cmd.getName().equalsIgnoreCase("wgr")) {
                if(args.length == 0) {
                    sendHelp(pl);
                    return true;
                } else if((args.length != 0) && (args[0].equalsIgnoreCase("add"))) {
                    if (args.length != 2) {
                      sendHelp(pl);
                      return true;
                    } else if(regions.contains(args[1])) {
                      pl.sendMessage("§f[§cWGR§f] §cДанный регион уже добавлен!");
                      return true;
                    }
                    regions.add(args[1]);
                    msg = getConfig().getString("msg");
                    getConfig().set("regions", regions);
                    saveConfig();
                    pl.sendMessage("§f[§cWGR§f] §eДобавлен регион §a" + args[1]);
                    return true;
                } else if((args.length != 0) && (args[0].equalsIgnoreCase("del"))) {
                    if (args.length != 2) {
                      sendHelp(pl);
                      return true;
                    } else if(!regions.contains(args[1])) {
                      pl.sendMessage("§f[§cWGR§f] §cДанного региона нет в списке!");
                      return true;
                    }
                    regions.remove(args[1]);
                    msg = getConfig().getString("msg");
                    getConfig().set("regions", regions);
                    saveConfig();
                    pl.sendMessage("§f[§cWGR§f] §eУдалён регион §a" + args[1]);
                    return true;
                } else if((args.length != 0) && (args[0].equalsIgnoreCase("list"))) {
                    pl.sendMessage("§f[§cWGR§f] §eСписок регионов: §a" + regions.toString().substring(1, regions.toString().length() - 1));
                    return true;
                } else if((args.length != 0) && (args[0].equalsIgnoreCase("reload"))) {
                    reloadConfig();
                    saveConfig();
                    msg = getConfig().getString("msg");
                    regions = getConfig().getStringList("regions");
                    pl.sendMessage("§f[§cWGR§f] §aКонфиг перезагружен.");
                }
            }
        return false;
    }

    private static void sendHelp(Player pl) {
        pl.sendMessage("§e=§f-§e=§f-§e=§f-§e=§f-§e=§f-§e=§f-§e=§f-§e=§f-§e=§f-§e=§f-§e= §6WGR Help §e=§f-§e=§f-§e=§f-§e=§f-§e=§f-§e=§f-§e=§f-§e=§f-§e=§f-§e=§f-§e=");
        pl.sendMessage("§e/wgr list - Список регионов.");
        pl.sendMessage("§e/wgr reload - Перезагрузить конфиг.");
        pl.sendMessage("§e/wgr add <название региона> - Добавить регион в список.");
        pl.sendMessage("§e/wgr del <название региона> - Удалить регион из списка.");
        pl.sendMessage("§e=§f-§e=§f-§e=§f-§e=§f-§e=§f-§e=§f-§e=§f-§e=§f-§e=§f-§e=§f-§e=§f-§e=§f-§e=§f-§e=§f-§e=§f-§e=§f-§e=§f-§e=§f-§e=§f-§e=§f-§e=§f-§e=§f-§e=§f-§e=§f-§e=§f-§e=");
    }

    private void startChecker() {
        Bukkit.getScheduler().runTaskTimer((Plugin)this, (Runnable)new Runnable() {
            @Override
            public void run() {
                for(Player player : getServer().getOnlinePlayers()) {
                    for(String region : regions) {
                        if(isWithinRegion(player, region)) {
                            if(getConfig().getBoolean("gm") && player.getGameMode() == GameMode.CREATIVE) {
                               player.setGameMode(GameMode.SURVIVAL);
                               sendmsg++;
                            } else if(getConfig().getBoolean("god") && ess.getUser(player).isGodModeEnabled()) {
                               ess.getUser(player).setGodModeEnabled(false);
                               sendmsg++;
                            } else if(getConfig().getBoolean("fly") && (player.isFlying() || player.getAllowFlight())) {
                               player.setAllowFlight(false);
                               player.setFlying(false);
                               sendmsg++;
                            }
                            if(sendmsg > 0) {
                                player.sendMessage(msg.replace("&", "§"));
                                sendmsg = 0;
                            }
                        }
                    }
                }
            }
        }, 0L, 20L);
    }

    public boolean isWithinRegion(Player player, String region) {
        return isWithinRegion(player.getLocation(), region);
    }
    public boolean isWithinRegion(Block block, String region) {
        return isWithinRegion(block.getLocation(), region);
    }

    public boolean isWithinRegion(Location l, String region)
    {
        ApplicableRegionSet regions = wg.getRegionManager(l.getWorld()).getApplicableRegions(l);

        if (regions == null) {
          return false;
        }

        Iterator iter = regions.iterator();

        ProtectedRegion reg = null;

        if (iter.hasNext())
        {
          reg = (ProtectedRegion)iter.next();
          return reg.getId().equals(region);
        }

        return false;
    }

    private WorldGuardPlugin getWorldGuard() {
        Plugin plugin = this.getServer().getPluginManager().getPlugin("WorldGuard");
        if (plugin == null || !(plugin instanceof WorldGuardPlugin)) {
            return null;
        }
        return (WorldGuardPlugin)plugin;
    }

    public Essentials getEssentials() {
        Plugin plugin = getServer().getPluginManager().getPlugin("Essentials");
        if ((plugin == null) || (!(plugin instanceof Essentials))) {
            return null;
        }
        return (Essentials)plugin;
    }
}