using System.Xml;
using System.Collections.Generic;
using System;
using System.Xml.Schema;
using System.Xml.Linq;
using System.Linq;
using static Step.Config.StartupConfig;
using Step.Model.ConfigModels;

namespace Step.Config
{
    public class StartupConfigController
    {
        public static void ReadStartUpConfig()
        {
            // Read validation file
            XmlSchemaSet readerSettings = new XmlSchemaSet();
            // Add Schema
            readerSettings.Add(null, "startupValidator.xsd");
            // Open file reader
            XDocument xmlConfigFile = XDocument.Load("startupConfig.xml");
            // Validate file
            xmlConfigFile.Validate(readerSettings, ValidationHandler);

            // Read generic config with LINQ
            genericConfig = xmlConfigFile
                .Descendants("generalConfig")
                .Select(x => new GenericConfigModel()
                {
                    Language = x.Element("language").Value,
                    ServerPort = Convert.ToInt32(x.Element("serverPort").Value),
                    NcVendor = Convert.ToInt32(x.Element("NcVendor").Value),
                    NcIpAddress = x.Element("NcIpAddress").Value,
                    NcPort = Convert.ToInt32(x.Element("NcPort").Value)
                }).FirstOrDefault();

            xmlConfigFile
                .Descendants("areasConfig")
                .Elements()
                .ToList()
                .ForEach(x => addKeyValue(x));
        }

        private static void addKeyValue(XElement element)
        {
            switch (element.Name.ToString())
            {
                case "production":
                        SetAreasConfigValue(ref productionConfig, element);
                    break;
                case "tooling":
                        SetAreasConfigValue(ref toolingConfig, element);
                    break;
                case "report":
                        SetAreasConfigValue(ref reportConfig, element);
                    break;
                case "alarms":
                        SetAreasConfigValue(ref alarmsConfig, element);
                    break;
                case "maintenance":
                        SetAreasConfigValue(ref maintenanceConfig, element);
                    break;
                case "utilities":
                        SetAreasConfigValue(ref utilitiesConfig, element);
                    break;
                case "scada":
                        SetAreasConfigValue(ref scadaConfig, element);
                    break;
            }
        }

        private static void SetAreasConfigValue (ref AreasConfigModel areasConfig, XElement element)
        {
            areasConfig = new AreasConfigModel()
            {
                name = element.Name.ToString(),
                enabled = Convert.ToBoolean(element.Element("enabled").Value),
                allowExternalBrowser = Convert.ToBoolean(element.Element("allowExternalBrowser").Value)
            };
        }

        private static void ValidationHandler(object sender, ValidationEventArgs e)
        {
            if (e.Severity == XmlSeverityType.Warning)
            {
                Console.Write("WARNING: ");
                Console.WriteLine(e.Message);
            }
            else if (e.Severity == XmlSeverityType.Error)
            {
                Console.Write("ERROR: ");
                Console.WriteLine(e.Message);
            }
        }
    }
}