PlaceholderSigns/src/main/java/net/knarcraft/placeholdersigns/command/ViewSignCommand.java

package net.knarcraft.placeholdersigns.command;

import net.knarcraft.placeholdersigns.PlaceholderSigns;
import net.knarcraft.placeholdersigns.config.PlaceholderSignMessage;
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 viewing lines on a sign
 */
public class ViewSignCommand implements TabExecutor {

    boolean raw;

    /**
     * Instantiates a new view sign command
     *
     * @param raw <p>Whether this sign displays the raw text or not</p>
     */
    public ViewSignCommand(boolean raw) {
        this.raw = raw;
    }

    @Override
    public boolean onCommand(@NotNull CommandSender commandSender, @NotNull Command command, @NotNull String label,
                             @NotNull String[] args) {
        if (!(commandSender instanceof Player player)) {
            return false;
        }

        // Register the sign view request
        PlaceholderSigns.getInstance().getRequestHandler().addSignViewRequest(player, this.raw);

        PlaceholderSigns.getInstance().getStringFormatter().displaySuccessMessage(commandSender,
                PlaceholderSignMessage.SUCCESS_CLICK_SIGN_TO_VIEW);
        return true;
    }

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

}