package me.Caesar2011.Mailings.Commands;

import me.Caesar2011.Mailings.Library.EnumCmdExe;
import me.Caesar2011.Mailings.Library.EnumPerm;
import me.Caesar2011.Mailings.Library.ItemMail;
import me.Caesar2011.Mailings.Library.ItemMailManager;

import org.bukkit.Material;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.Player;
import org.bukkit.inventory.ItemStack;

public class Cmd_ItemMail_Delmail {
	CommandSender sender;
	String[] args;

	public Cmd_ItemMail_Delmail(String[] args, CommandSender sender){
		this.args = args;
		this.sender = sender;
	}

	public EnumCmdExe execute(){
		if (args.length == 0){
			return EnumCmdExe.TOFEWARGS;
		}
		int mailID = 0;
		try {
			mailID = Integer.parseInt(args[0]);
		} catch (NumberFormatException e) {
			return EnumCmdExe.NONUMBER.addArg("%input%", args[0]);
		}


		if (mailID != 0 && mailID <= ItemMailManager.getLastMailID()) {
			if (sender instanceof Player){
				Player p = (Player) sender;
				String toPlayerName = ItemMailManager.getString(mailID, "ToPlayer");
				//Permissioncheck
				if (EnumPerm.IM_DEL_OWN.noPermission(sender) && p.getName().equals(toPlayerName)){
					return EnumCmdExe.NOPERM;
				}
				if (EnumPerm.IM_DEL_OTHER.noPermission(sender) && !p.getName().equals(toPlayerName)){
					return EnumCmdExe.NOPERM;
				}
				ItemMail mail = ItemMailManager.getMail(mailID);
				if (mail.item != null){
					if (checkIfFits(p, mail.item)){
						p.getInventory().addItem(mail.item);
					} else {
						return EnumCmdExe.INVFILLED;
					}
				}
			}
			ItemMailManager.delMail(mailID);
			return EnumCmdExe.MAILDEL.addArg("%mailid%", new Integer(mailID).toString()).addArg("%type%", ItemMailManager.typeName);
		} else {
			return EnumCmdExe.MAILNOTFOUND.addArg("%mailid%", new Integer(mailID).toString()).addArg("%type%", ItemMailManager.typeName);
		}
	}

	private boolean checkIfFits(Player p, ItemStack i){
		int a = i.getAmount();
		for (ItemStack item : p.getInventory().getContents()) {
			if(item.isSimilar(i) || (item.getType() == Material.AIR)) {
				a -= item.getMaxStackSize() - item.getAmount();
				if (a <= 0) return true;
			}
		}
		return false;
	}
}