Chat/galaxy/src/main/java/com/alttd/chat/commands/PartyCommand.java

package com.alttd.chat.commands;

import com.alttd.chat.ChatPlugin;
import com.alttd.chat.database.Queries;
import com.alttd.chat.managers.ChatUserManager;
import com.alttd.chat.managers.PartyManager;
import com.alttd.chat.objects.ChatUser;
import com.alttd.chat.objects.Party;
import com.alttd.chat.util.Utility;
import net.kyori.adventure.text.Component;
import net.kyori.adventure.text.minimessage.MiniMessage;
import org.bukkit.Bukkit;
import org.bukkit.OfflinePlayer;
import org.bukkit.command.Command;
import org.bukkit.command.CommandExecutor;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.Player;
import org.bukkit.scheduler.BukkitRunnable;

import java.util.Objects;

public class PartyCommand implements CommandExecutor {

    @Override
    public boolean onCommand(CommandSender sender, Command command, String label, String[] args) {
        if(!(sender instanceof Player player)) { // must be a player
            return true;
        }
        if (args.length == 0) {
            helpMessage(sender);
            return true;
        }
        new BukkitRunnable() {
            @Override
            public void run() {
                switch (args[0].toLowerCase()) {
                    case "create" -> {
                        if (args.length < 3 || !args[1].matches("[\\w]{3,16}") || !args[2].matches("[\\w]{3,16}")) {
                            invalidMessage(sender, CommandUsage.CREATE);
                            break;
                        }
                        if (PartyManager.getParty(args[1]) != null) {
                            sender.sendMessage(MiniMessage.get().parse("<red>A party with this name already exists.</red>"));
                            break;
                        }
                        Party party = Queries.addParty(player.getUniqueId(), args[1], args[2]);
                        party.addUser(ChatUserManager.getChatUser(player.getUniqueId()));
                        PartyManager.addParty(party);
                        sender.sendMessage(MiniMessage.get().parse("<green>You created a party called: '<gold>" +
                                party.getPartyName() + "</gold>' with the password: '<gold>" +
                                party.getPartyPassword() + "</gold>'</green>"));
                    }
                    case "invite" -> {
                        if (args.length < 2) {
                            invalidMessage(sender, CommandUsage.INVITE);
                            break;
                        }
                        Party party = PartyManager.getParty(player.getUniqueId());
                        if (party == null) {
                            sender.sendMessage(MiniMessage.get().parse("<red>You're not in a party.</red>"));
                            break;
                        }
                        if (!party.getOwnerUuid().equals(player.getUniqueId())) {
                            sender.sendMessage("<red>You don't own this party.</red>");
                            break;
                        }
                        Player target = Bukkit.getPlayer(args[1]);
                        if (target == null || !target.isOnline()) {
                            sender.sendMessage(MiniMessage.get().parse("<red>The player must be on the same server to receive an invite.</red>"));
                            break;
                        }

                        target.sendMessage(MiniMessage.get().parse("<click:run_command:'/party join " + party.getPartyName() + " " + party.getPartyPassword() +
                                "'><dark_aqua>You received an invite to join " + party.getPartyName() + " click this message to accept.</dark_aqua></click>"));
                        sender.sendMessage(MiniMessage.get().parse("<green>You send a party invite to " + target.getName() + "!</green>"));
                    }
                    case "join" -> {
                        if (args.length < 3 || !args[1].matches("[\\w]{3,16}") || !args[2].matches("[\\w]{3,16}")) {
                            invalidMessage(sender, CommandUsage.JOIN);
                            break;
                        }

                        Party party = PartyManager.getParty(args[1]);
                        if (party == null) {
                            sender.sendMessage(MiniMessage.get().parse("<red>This party does not exist.</red>"));
                            break;
                        }
                        if (!party.getPartyPassword().equals(args[2])) {
                            sender.sendMessage(MiniMessage.get().parse("<red>Invalid password.</red>"));
                            break;
                        }

                        party.addUser(ChatUserManager.getChatUser(player.getUniqueId()));
                        sender.sendMessage(MiniMessage.get().parse("<green>You joined " + party.getPartyName() + "!</green>"));
                    }
                    case "leave" -> {
                        Party party = PartyManager.getParty(player.getUniqueId());
                        if (party == null) {
                            sender.sendMessage(MiniMessage.get().parse("<red>You're not in a party.</red>"));
                            break;
                        }

                        party.removeUser(player.getUniqueId());
                        if (party.getOwnerUuid().equals(player.getUniqueId())) {
                            if (party.getPartyUsers().size() > 0) {
                                ChatUser chatUser = ChatUserManager.getChatUser(party.newOwner());
                                sender.sendMessage(MiniMessage.get().parse("<dark_aqua>Since you own this party a new party owner will be chosen.<dark_aqua>"));
                                ChatPlugin.getInstance().getChatHandler().partyMessage(party, player, "<dark_aqua>" +
                                        ChatUserManager.getChatUser(player.getUniqueId()).getDisplayName() +
                                        " left the party, the new party owner is " + chatUser.getDisplayName());
                            } else {
                                party.delete();
                            }
                        }
                        // TODO: 07/08/2021 leave the party
                    }
                    case "remove" -> {
                        if (args.length < 2) {
                            invalidMessage(sender, CommandUsage.REMOVE);
                            break;
                        }
                        Party party = PartyManager.getParty(player.getUniqueId());
                        if (party == null) {
                            sender.sendMessage(MiniMessage.get().parse("<red>You're not in a party.</red>"));
                            break;
                        }
                        if (!party.getOwnerUuid().equals(player.getUniqueId())) {
                            sender.sendMessage("<red>You don't own this party.</red>");
                            break;
                        }
                        OfflinePlayer offlinePlayerIfCached = Bukkit.getOfflinePlayerIfCached((args[1]));
                        if (offlinePlayerIfCached == null) {
                            sender.sendMessage(MiniMessage.get().parse("<red>Unable to find this player.</red>"));
                            return;
                        }
                        party.removeUser(ChatUserManager.getChatUser(offlinePlayerIfCached.getUniqueId()));

                        if (offlinePlayerIfCached.isOnline()) {
                            Objects.requireNonNull(offlinePlayerIfCached.getPlayer())
                                    .sendMessage(MiniMessage.get().parse("<red>You were removed from the '" + party.getPartyName() + "' party."));
                        }

                        sender.sendMessage(MiniMessage.get().parse("<green>You removed " + offlinePlayerIfCached.getName() + " from the party!</green>"));
                    }
                    case "info" -> {
                        Party party = PartyManager.getParty(player.getUniqueId());
                        if (party == null) {
                            sender.sendMessage(MiniMessage.get().parse("<red>You're not in a party.</red>"));
                            break;
                        }

                        StringBuilder stringBuilder = new StringBuilder();
                        stringBuilder.append("<gold><bold>Party info</bold>:</gold>")
                                .append("<green>Party name: <dark_aqua>").append(party.getPartyName()).append("</dark_aqua>\n")
                                .append(party.getOwnerUuid().equals(player.getUniqueId()) ? "Party password: <dark_aqua>" + party.getPartyPassword() + "</dark_aqua>\n" : "")
                                .append("Party owner: ").append(party.getUserDisplayName(party.getOwnerUuid())).append("\n")
                                .append("Party members: ");
                        for (String displayName : party.getPartyUsers().values()) {
                            stringBuilder.append(displayName).append(", ");
                        }

                        stringBuilder.delete(stringBuilder.length() - 2, stringBuilder.length());

                        sender.sendMessage(Utility.applyColor(stringBuilder.toString()));
                    }
                    default -> {
                        helpMessage(sender);
                    }
                }
            }
        }.runTaskAsynchronously(ChatPlugin.getInstance());

        return false;
    }

    private void invalidMessage(CommandSender sender, CommandUsage commandUsage) {
        sender.sendMessage(MiniMessage.get().parse("<red>Invalid command, proper usage: %command%.</red>".replaceAll("%command%", commandUsage.message)));
    }

    private void helpMessage(CommandSender sender) {
        StringBuilder stringBuilder = new StringBuilder();
        stringBuilder.append("<dark_aqua>Party commands:</dark_aqua><green>");
        for (CommandUsage commandUsage : CommandUsage.values()) {
            stringBuilder.append("\n- ").append(commandUsage.message);
        }
        stringBuilder.append("</green>");
        sender.sendMessage(MiniMessage.get().parse(stringBuilder.toString()));
    }

    private enum CommandUsage {
        CREATE("<gold>/party create <#FFE800><hover:show_text:'<gold>A party name must be 3-16 characters</gold>'><name></hover> " +
                "<hover:show_text:'<gold>A party password must be 3-16 characters\n</gold>" +
                "<red>When choosing a password keep in mind staff can see it and you might need to share it with other players!</red>'><password></#FFE800></hover></gold>"),
        INVITE("<gold>/party invite <username></gold>"),
        JOIN("<gold>/party join <party name> <password></gold>"),
        LEAVE("<gold><hover:show_text:'<red>If the party owner leaves the server will choose a new party owner</red>'>/party leave</hover></gold>"),
        REMOVE("<gold>/party remove <username></gold>");

        private final String message;

        CommandUsage(String message) {
            this.message = message;
        }
    }
}