using System.Linq;
using Oxide.Core.Plugins;
using Oxide.Core.Libraries.Covalence;

namespace Oxide.Plugins
{
    [Info("ElasticPopulation", "Hades.VIP", "1.0.0")]
    [Description("Logs the current and maximum server population whenever a player connects or disconnects.")]
    class ElasticPopulation : CovalencePlugin
    {
        private Timer checkPlayerCountTimer;

        private class Configuration
        {
            public float UpdateInterval { get; set; }
        }

        private Configuration config;

        protected override void LoadDefaultConfig()
        {
            Config.WriteObject(new Configuration { UpdateInterval = 10f }, true);
        }

        protected override void LoadConfig()
        {
            base.LoadConfig();
            config = Config.ReadObject<Configuration>();
        }

        void Loaded()
        {
            LoadConfig();
            UpdateMaxPlayers();
            Puts($"ElasticPopulation plugin loaded. Maximum server population set to {covalence.Server.MaxPlayers}");
            checkPlayerCountTimer = timer.Every(config.UpdateInterval, UpdateMaxPlayers);
        }

        void Unload()
        {
            checkPlayerCountTimer?.Destroy();
        }

        void OnPlayerConnected(IPlayer player)
        {
            Puts($"Player connected. Maximum server population increased to {covalence.Server.MaxPlayers}");
        }

        void OnPlayerDisconnected(IPlayer player)
        {
            Puts($"Player disconnected. Maximum server population decreased to {covalence.Server.MaxPlayers}");
        }

        private void UpdateMaxPlayers()
        {
            int playerCount = players.Connected.Count();
            covalence.Server.Command($"server.maxplayers {playerCount + 1}");
        }
    }
}