using System;
using System.IO;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.RazorPages;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Newtonsoft.Json;
using Core.Main;
using Core.Helper;
using Core.Main.DataObjects.PTMagicData;
using Core.MarketAnalyzer;
using Core.ProfitTrailer;
using Microsoft.Extensions.Primitives;
using System.Diagnostics;

namespace Monitor._Internal
{

  public class BasePageModel : PageModel
  {
    public string PTMagicBasePath = "";
    public string PTMagicMonitorBasePath = "";
    public PTMagicConfiguration PTMagicConfiguration = null;

    public Summary Summary { get; set; } = new Summary();
    public LogHelper Log = null;
    public string LatestVersion = "";
    public string CurrentBotVersion = "";
    public string NotifyHeadline = "";
    public string NotifyMessage = "";
    public string NotifyType = "";

    public string MainFiatCurrencySymbol = "$";

    public void PreInit()
    {
      PTMagicMonitorBasePath = Directory.GetCurrentDirectory();
      if (!System.IO.File.Exists(PTMagicMonitorBasePath + Path.DirectorySeparatorChar + "appsettings.json"))
      {
        PTMagicMonitorBasePath += Path.DirectorySeparatorChar + "Monitor";
      }

      if (!PTMagicMonitorBasePath.EndsWith(Path.DirectorySeparatorChar))
      {
        PTMagicMonitorBasePath += Path.DirectorySeparatorChar;
      }

      IConfiguration config = new ConfigurationBuilder()
                .SetBasePath(PTMagicMonitorBasePath)
                .AddJsonFile("appsettings.json", false)
                .Build();

      PTMagicBasePath = config.GetValue<string>("PTMagicBasePath");

      if (!PTMagicBasePath.EndsWith(Path.DirectorySeparatorChar))
      {
        PTMagicBasePath += Path.DirectorySeparatorChar;
      }

      try
      {
        PTMagicConfiguration = new PTMagicConfiguration(PTMagicBasePath);
      }
      catch (Exception ex)
      {
        throw ex;
      }

      IServiceProvider logProvider = ServiceHelper.BuildLoggerService(PTMagicBasePath);
      Log = logProvider.GetRequiredService<LogHelper>();

      Summary = JsonConvert.DeserializeObject<Summary>(System.IO.File.ReadAllText(PTMagicBasePath + Constants.PTMagicPathData + Path.DirectorySeparatorChar + "LastRuntimeSummary.json"));
      if (Summary.CurrentGlobalSetting == null) Summary.CurrentGlobalSetting = PTMagicConfiguration.AnalyzerSettings.GlobalSettings.Find(s => s.SettingName.IndexOf("default", StringComparison.InvariantCultureIgnoreCase) > -1);

      MainFiatCurrencySymbol = SystemHelper.GetCurrencySymbol(Summary.MainFiatCurrency);

      try
      {
        // Get latest release from GitHub
        if (!String.IsNullOrEmpty(HttpContext.Session.GetString("LatestVersion")))
        {
          LatestVersion = HttpContext.Session.GetString("LatestVersion");
        }
        else
        {
          LatestVersion = BaseAnalyzer.GetLatestGitHubRelease(Log, Summary.Version);
          HttpContext.Session.SetString("LatestVersion", LatestVersion);
        }
      }
      catch { }

      try
      {
        // Get current bot version
        if (!String.IsNullOrEmpty(HttpContext.Session.GetString("CurrentBotVersion")))
        {
          CurrentBotVersion = HttpContext.Session.GetString("CurrentBotVersion");
        }
        else
        {
          string ptMagicBotDllPath = PTMagicBasePath + "PTMagic.dll";
          if (System.IO.File.Exists(ptMagicBotDllPath))
          {
            FileVersionInfo ptMagicDllInfo = FileVersionInfo.GetVersionInfo(ptMagicBotDllPath);

            CurrentBotVersion = ptMagicDllInfo.ProductVersion.Substring(0, ptMagicDllInfo.ProductVersion.LastIndexOf("."));
            HttpContext.Session.SetString("CurrentBotVersion", CurrentBotVersion);
          }
          else
          {
            CurrentBotVersion = Summary.Version;
          }
        }

      }
      catch
      {
        CurrentBotVersion = Summary.Version;
      }
    }

    protected string GetStringParameter(string paramName, string defaultValue)
    {
      string result = defaultValue;

      if (HttpContext.Request.Query.ContainsKey(paramName))
      {
        result = HttpContext.Request.Query[paramName];
      }
      else if (HttpContext.Request.Method.Equals("POST") && HttpContext.Request.Form.ContainsKey(paramName))
      {
        result = HttpContext.Request.Form[paramName];
      }

      return result;
    }

    /// <summary>
    /// Holt einen Url-Parameter als Integer, wenn vorhanden.
    /// </summary>
    /// <param name="paramName">Name des Parameters</param>
    /// <param name="defaultValue">Defaultvalue, wenn Parameter nicht vorhanden ist.</param>
    /// <returns>Der Wert des Parameters als Integer.</returns>
    protected int GetIntParameter(string paramName, int defaultValue)
    {
      int result = defaultValue;

      if (HttpContext.Request.Query.ContainsKey(paramName))
      {
        try
        {
          result = Int32.Parse(HttpContext.Request.Query[paramName]);
        }
        catch
        {
          result = defaultValue;
        }
      }
      else if (HttpContext.Request.Method.Equals("POST") && HttpContext.Request.Form.ContainsKey(paramName))
      {
        try
        {
          result = Int32.Parse(HttpContext.Request.Form[paramName]);
        }
        catch
        {
          result = defaultValue;
        }
      }

      return result;
    }
  }
}