using EgwCoreLib.Lux.Core;
using EgwCoreLib.Lux.Data.Services;
using Microsoft.AspNetCore.Components;
using Newtonsoft.Json;
using NLog;
using WebWindowConfigurator;
using WebWindowConfigurator.DTO;

namespace Test.UI.Components.Pages
{
    public partial class TestComponent : IDisposable
    {
        #region Public Properties

        public Template SelTemplate { get; set; } = new Template(0, "---SELECT---", "", "");

        #endregion Public Properties

        #region Public Methods

        public void Dispose()
        {
            DLService.CalcDonePipe.EA_NewMessage -= CalcDonePipe_EA_NewMessage;
        }

        #endregion Public Methods

        #region Protected Fields

        protected string currJwd = "...";

        #endregion Protected Fields

        #region Protected Properties

        protected List<TemplateSelectDTO> AvailTemplateList { get; set; } = new List<TemplateSelectDTO>();

        [Inject]
        protected IConfiguration Config { get; set; } = null!;

        [Inject]
        protected DataLayerServices DLService { get; set; } = null!;

        [Inject]
        protected ImageCacheService ICService { get; set; } = null!;

        protected MarkupString JsonSer
        {
            get => (MarkupString)currJwd.Replace(Environment.NewLine, "<br/>").Replace(" ", "&nbsp;");
        }

        #endregion Protected Properties

        #region Protected Methods

        protected override async Task OnInitializedAsync()
        {
            ConfInit();
            DLService.CalcDonePipe.EA_NewMessage += CalcDonePipe_EA_NewMessage;
            await ReloadData();
        }

        #endregion Protected Methods

        #region Private Fields

        private string apiUrl = "";
        private string calcTag = "";
        private string cFile = "Data/Setup.json";
        private TemplateSelectDTO? currSel = null;
        private string currSvg = "";

        private string imgBasePath = "";

        private string imgTag = "";

        private string subChannel = "";

        #endregion Private Fields

        #region Private Properties

        private string windowUid = "CurrWindow";
        //{
        //    get
        //    {
        //        string answ = "";
        //        if (currSel != null)
        //        {
        //            answ = currSel.SVGFileName.Replace(".svg", "");
        //        }
        //        return answ;
        //    }
        //}

        #endregion Private Properties

        #region Private Methods

        private async void CalcDonePipe_EA_NewMessage(object? sender, EventArgs e)
        {
            // aggiorno visualizzazione
            PubSubEventArgs currArgs = (PubSubEventArgs)e;
            // conversione on-the-fly SVG da mostrare
            if (!string.IsNullOrEmpty(currArgs.newMessage))
            {
                if (currArgs.msgUid.Equals($"{subChannel}:{windowUid}"))
                {
                    currSvg = currArgs.newMessage;
                }
                await InvokeAsync(StateHasChanged);
            }
            await Task.Delay(1);
        }

        private void ConfInit()
        {
            apiUrl = Config.GetValue<string>("ServerConf:Prog.ApiUrl") ?? "";
            imgBasePath = Config.GetValue<string>("ServerConf:ImageBaseUrl") ?? "";
            imgTag = Config.GetValue<string>("ServerConf:ImageFileTag") ?? "";
            calcTag = Config.GetValue<string>("ServerConf:ImageCalcTag") ?? "";
            subChannel = Config.GetValue<string>("ServerConf:SvgChannel") ?? "";
        }

        /// <summary>
        /// Rilettura dati
        /// </summary>
        /// <returns></returns>
        private async Task ReloadData()
        {
            //return base.OnInitializedAsync();
            AvailTemplateList = new List<TemplateSelectDTO>();
            await Task.Delay(100);
            // brutale, da rivedere...
            if (File.Exists(cFile))
            {
                string rawVal = File.ReadAllText(cFile);
                var rawList = JsonConvert.DeserializeObject<List<TemplateSelectDTO>>(rawVal) ?? new List<TemplateSelectDTO>();

                // calcolo URL immagini... DTO interno da rivedere?
                foreach (var item in rawList)
                {
                    item.ImageUrl = ICService.ImageUrl($"{apiUrl}/{imgBasePath}", false, item.SVGFileName);
                    AvailTemplateList.Add(item);
                }
            }
        }

        private async Task SaveJWD(string newSerial)
        {
            currJwd = newSerial;
            // chiamo la chiamata POST alla API, che manda la richiesta via REDIS
            if (currSel != null)
            {
                await ICService.CallRestPost($"{apiUrl}/{imgBasePath}", $"{calcTag}/{windowUid}", currJwd);
            }
        }

        private void SetTemplate(TemplateSelectDTO selTemp)
        {
            string rawVal = "";
            currSel = selTemp;
            // brutale,d a rivedere...
            if (File.Exists(selTemp.JwdFileName))
            {
                rawVal = File.ReadAllText(selTemp.JwdFileName);
            }
            SelTemplate = new Template(selTemp.Index, selTemp.Description, selTemp.SVGFileName, rawVal);
        }

        #endregion Private Methods
    }
}