OnQuarryToggle

using System;
using System.Collections.Generic;
using Newtonsoft.Json;
using Oxide.Core;
using UnityEngine;

namespace Oxide.Plugins
{
    [Info("Quarry Toggle Guard", "RustPluginGenerator", "1.0.0")]
    [Description("Restricts who may start or stop pump jack engines on the server")]
    public class QuarryToggleGuard : RustPlugin
    {
        private const string PermAllowOthers = "quarrytoggleguard.allowothers";

        private PluginConfig config;

        private class PluginConfig
        {
            [JsonProperty("Only owner and team members may toggle")]
            public bool OwnerOnly { get; set; } = true;
        }

        protected override void LoadDefaultConfig() => config = new PluginConfig();

        protected override void LoadConfig()
        {
            base.LoadConfig();
            try
            {
                config = Config.ReadObject<PluginConfig>();
                if (config == null) throw new Exception();
            }
            catch
            {
                PrintWarning("Configuration file is invalid, using defaults");
                LoadDefaultConfig();
            }
            SaveConfig();
        }

        protected override void SaveConfig() => Config.WriteObject(config);

        protected override void LoadDefaultMessages()
        {
            lang.RegisterMessages(new Dictionary<string, string>
            {
                ["Denied"] = "You are not allowed to use this pump jack."
            }, this);
        }

        private string Msg(string key, string userId = null, params object[] args) => string.Format(lang.GetMessage(key, this, userId), args);

        private void Init()
        {
            permission.RegisterPermission(PermAllowOthers, this);
        }

        private object OnQuarryToggle(MiningQuarry miningQuarry, BasePlayer player)
        {
            if (miningQuarry == null || player == null || !player.IsConnected)
                return true;

            if (permission.UserHasPermission(player.UserIDString, PermAllowOthers))
                return null;

            if (!config.OwnerOnly)
                return null;

            ulong ownerId = miningQuarry.OwnerID;
            if (ownerId == 0 || ownerId == player.userID.Get())
                return null;

            if (player.currentTeam != 0 && player.currentTeam == GetTeamOf(ownerId))
                return null;

            player.ChatMessage(Msg("Denied", player.UserIDString));
            return true;
        }

        private ulong GetTeamOf(ulong ownerId)
        {
            var owner = BasePlayer.FindByID(ownerId);
            return owner != null ? owner.currentTeam : 0;
        }

        private void Unload()
        {
            config = null;
        }
    }
}