using System;
using System.IO;
using Vintagestory.API.Client;
using Vintagestory.API.Common;
using Vintagestory.API.Common.Entities;
using Vintagestory.API.Config;
using Vintagestory.API.Server;
using Vintagestory.GameContent;

namespace AriasServerUtils
{
    public class ServerUtilities : ModSystem
    {
        public static string MOD_ID = "ariasserverutils";
        public static ASUModConfig config = new ASUModConfig();
        private static ICoreServerAPI API;
        private static bool bDirty = false;

        /// <summary>
        /// Method to register all mod blocks
        /// </summary>
        /// <param name="api"></param>
        private void RegisterBlocks(ICoreAPI api)
        {
            api.Logger.Notification("Begin registering block classes for Aria's Server Utils...");




            api.Logger.Notification("Block Classes have been registered for Aria's Server Utils!");
        }

        private void RegisterBlockEntities(ICoreAPI api)
        {
        }

        // Called on server and client
        public override void Start(ICoreAPI api)
        {
            api.Logger.Notification(Lang.Get($"{MOD_ID}:start"));

            RegisterBlocks(api);
            RegisterBlockEntities(api);


        }

        public override void StartServerSide(ICoreServerAPI api)
        {
            API = api;
            api.Logger.Notification(Lang.Get($"{MOD_ID}:start"));

            api.Event.ServerRunPhase(EnumServerRunPhase.GameReady, OnGameReady);
            api.Event.ServerRunPhase(EnumServerRunPhase.Shutdown, OnShutdown);
            api.Event.Timer(OnCheckModDirty, 20);

            api.ChatCommands.Create("setspawn").RequiresPrivilege(Privilege.controlserver).HandleWith(Events.HandleSetSpawn);
            api.ChatCommands.Create("spawn").RequiresPrivilege(Privilege.chat).HandleWith(Events.HandleSpawn);
            api.ChatCommands.Create("delspawn").RequiresPrivilege(Privilege.controlserver).HandleWith(Events.HandleClearSpawn);
        }

        private void OnCheckModDirty()
        {
            if (bDirty)
            {
                //API.Logger.Notification(Lang.Get($"{MOD_ID}:timer"));
                bDirty = false;
                SaveGlobalConfig();
            }
        }

        private void OnShutdown()
        {
            // Mod Shutdown //
            // Handle any remaining tasks before shutdown
            OnCheckModDirty();
        }

        public void SaveGlobalConfig()
        {
            API.StoreModConfig<ASUModConfig>(config, GetConfigurationFile("", ModConfigType.Global));
        }

        private void OnGameReady()
        {
            // Mod Setup Info //
            // -> Step 1. Load Mod Global Config <-

            config = API.LoadModConfig<ASUModConfig>(GetConfigurationFile("", ModConfigType.Global));
            if (config == null) config = new ASUModConfig();
        }

        public string GetConfigurationFile(string sName, ModConfigType type)
        {
            if (type == ModConfigType.Global)
            {
                return "ariaserverconfig/global.json";
            }
            else if (type == ModConfigType.World)
            {
                return $"ariaserverconfig/{GetWorldName()}/{sName}.json";
            }
            else return $"ariaserverconfig/global.json";
        }

        /// <summary>
        /// This function is used to mark the mod's global config, and all loaded player configs as dirty. They will be flushed to disk, then the dirty flag will be cleared.
        /// </summary>
        public static void MarkDirty()
        {
            bDirty = true;
        }

        public string GetWorldName()
        {
            string[] lName = API.WorldManager.CurrentWorldName.Split(Path.DirectorySeparatorChar);
            string sName = lName[lName.Length - 1];
            return sName.Substring(0, sName.Length - 6);
        }

        public override void StartClientSide(ICoreClientAPI api)
        {
            api.Logger.Notification(Lang.Get($"{MOD_ID}:start"));
        }

        public static void SendMessageTo(IServerPlayer player, string sMsg)
        {
            player.SendMessage(0, sMsg, EnumChatType.CommandSuccess);
        }
    }
}