package net.knarcraft.paidsigns.command;

import net.knarcraft.paidsigns.PaidSigns;
import net.knarcraft.paidsigns.formatting.PaidSignsTranslatableMessage;
import net.knarcraft.paidsigns.utility.PaidSignsTabCompleteHelper;
import net.knarcraft.paidsigns.utility.Tokenizer;
import org.bukkit.command.Command;
import org.bukkit.command.CommandSender;
import org.bukkit.command.TabExecutor;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

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

/**
 * A representation of the command for removing a paid sign
 */
public class RemoveTabCommand implements TabExecutor {

    @Override
    public boolean onCommand(@NotNull CommandSender sender, @NotNull Command command, @NotNull String label,
                             @NotNull String[] args) {
        List<String> arguments = Tokenizer.tokenize(String.join(" ", args));
        if (arguments.size() < 1) {
            return false;
        }
        String name = arguments.get(0);

        try {
            if (PaidSigns.getInstance().getSignManager().removePaidSign(name)) {
                PaidSigns.getStringFormatter().displaySuccessMessage(sender,
                        PaidSignsTranslatableMessage.SUCCESS_REMOVED_PAID_SIGN);
            } else {
                PaidSigns.getStringFormatter().displaySuccessMessage(sender,
                        PaidSignsTranslatableMessage.ERROR_PAID_SIGN_NOT_FOUND);
            }
            return true;
        } catch (IOException e) {
            PaidSigns.getStringFormatter().displayErrorMessage(sender,
                    PaidSignsTranslatableMessage.ERROR_EXCEPTION_OCCURRED);
        }
        return false;
    }

    @Nullable
    @Override
    public List<String> onTabComplete(@NotNull CommandSender sender, @NotNull Command command, @NotNull String alias,
                                      @NotNull String[] args) {
        List<String> arguments = Tokenizer.tokenize(String.join(" ", args));
        int argumentSize = args[args.length - 1].isEmpty() ? arguments.size() : arguments.size() - 1;

        if (argumentSize < 1) {
            return PaidSignsTabCompleteHelper.getPaidSignNames();
        } else {
            return new ArrayList<>();
        }
    }

}