package net.knarcraft.placeholdersigns.command;

import net.knarcraft.knarlib.formatting.StringFormatter;
import net.knarcraft.placeholdersigns.PlaceholderSigns;
import net.knarcraft.placeholdersigns.config.PlaceholderSignMessage;
import net.knarcraft.placeholdersigns.container.SignCopyRequest;
import org.bukkit.block.Block;
import org.bukkit.block.Sign;
import org.bukkit.command.Command;
import org.bukkit.command.CommandSender;
import org.bukkit.command.TabExecutor;
import org.bukkit.entity.Player;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

import java.util.ArrayList;
import java.util.List;

/**
 * A command for copying signs, including placeholders
 */
public class CopySignCommand implements TabExecutor {

    @Override
    public boolean onCommand(@NotNull CommandSender commandSender, @NotNull Command command, @NotNull String s,
                             @NotNull String[] strings) {
        PlaceholderSigns placeholderSigns = PlaceholderSigns.getInstance();
        StringFormatter stringFormatter = placeholderSigns.getStringFormatter();
        if (!(commandSender instanceof Player player)) {
            stringFormatter.displayErrorMessage(commandSender, PlaceholderSignMessage.ERROR_PLAYER_ONLY);
            return false;
        }

        Block targetBlock = player.getTargetBlockExact(7);
        if (targetBlock == null || !(targetBlock.getState() instanceof Sign sign)) {
            stringFormatter.displayErrorMessage(commandSender, PlaceholderSignMessage.ERROR_NOT_LOOKING_AT_SIGN);
            return false;
        }

        SignCopyRequest signCopyRequest = new SignCopyRequest(player, sign);
        placeholderSigns.getRequestHandler().addSignCopyRequest(signCopyRequest);

        stringFormatter.displaySuccessMessage(commandSender, PlaceholderSignMessage.SUCCESS_CLICK_SIGN_TO_PASTE);
        return true;
    }

    @Nullable
    @Override
    public List<String> onTabComplete(@NotNull CommandSender commandSender, @NotNull Command command, @NotNull String s,
                                      @NotNull String[] strings) {
        return new ArrayList<>();
    }

}