using System.Collections.Generic;
using Newtonsoft.Json;
using Oxide.Game.Rust.Cui;
using UnityEngine;

namespace Oxide.Plugins
{
    [Info("Bottom", "MikeHawke", "1.0.1")]
    [Description("Add a simple line of text under your hotbar that changes")]
    class Bottom : RustPlugin
    {
        public static string BottomJson;
        private static ConfigData configData;
        class ConfigData
        {
            [JsonProperty(PropertyName = "Bottom Text List", ObjectCreationHandling = ObjectCreationHandling.Replace)]
            public List<string> messageList = new List<string>
            {
                "Welcome to our server",
                "Join our discord",
                "Do you like the music of showaddywaddy?"
            };
            [JsonProperty(PropertyName = "Change timer in seconds")]
            public float timer = 60f;
        }
        private bool LoadConfigVariables()
        {
            try
            { configData = Config.ReadObject<ConfigData>(); }
            catch
            { return false; }
            SaveConfig(configData);
            return true;
        }
        void Init()
        {
            if (!LoadConfigVariables())
            {
                Puts("Config file issue detected. Please delete file, or check syntax and fix.");
                return;
            }
        }
        protected override void LoadDefaultConfig()
        {
            Puts("Creating new config file.");
            configData = new ConfigData();
            SaveConfig(configData);
        }
        void SaveConfig(ConfigData config)
        { Config.WriteObject(config, true); }
        private void OnServerInitialized()
        {
            BottomJson = UIJson();
            ServerMgr.Instance.InvokeRepeating(UpdateUITask, 1f, configData.timer);
        }
        private void Unload()
        {
            ServerMgr.Instance.CancelInvoke(UpdateUITask);
            foreach(BasePlayer player in BasePlayer.activePlayerList)
            { DestroyUI(player); }
        }
        void UpdateUITask()
        {
            string json = GetRandomJson();
            if (BasePlayer.activePlayerList.Count == 0) { return; }
            foreach (var player in BasePlayer.activePlayerList)
            {
                if (player == null || !player.userID.IsSteamId()) continue;
                DestroyUI(player);
                CuiHelper.AddUi(player, json);
            }
        }
        private static string GetRandomJson()
        { return BottomJson.Replace("{Text}", configData.messageList.GetRandom());}
        public static void DestroyUI(BasePlayer player)
        { CuiHelper.DestroyUi(player, "BottomUI"); }
        private static string UIJson()
        {
            return new CuiElementContainer
            {
                { new CuiPanel { Image = {Color = "0 0 0 0"}, RectTransform = { AnchorMin =  "0.5 0", AnchorMax =  "0.5 0", OffsetMin =  "-199 0", OffsetMax =  "182 15" } }, "Overlay", "BottomUI" },
                { new CuiLabel { Text = { Text = "{Text}", FontSize = 10, Align = TextAnchor.MiddleCenter, Color = "1 1 1 1"}, RectTransform = {AnchorMin = "0.05 0.05", AnchorMax = "0.95 0.95"}}, "BottomUI"}}.ToJson();
            }
        }
}