using DTS.Common.Import.Interfaces;
using DTS.Common.Interface;
using System;
using System.Collections.Generic;
using System.Xml;

namespace DTS.Common.Import.XML
{
    public class XMLParseGlobalSettings : XMLParseBase
    {
        public XMLParseGlobalSettings(XmlElement root, double importedVersion, Func<bool> isCancelled = null) : base(root, importedVersion, isCancelled)
        {
        }
        public IImportNotification ImportNotification { get; set; }
        public override void Parse(ref ImportObject importObject)
        {
            importObject.AssignGlobalSettings(ParseGlobalSettings(_root));
        }

        private Dictionary<string, string> ParseGlobalSettings(XmlElement root)
        {
            Dictionary<string, string> settings = new Dictionary<string, string>();

            foreach (var child in root.ChildNodes)
            {
                if (IsCancelled()) { return settings; }
                if (child is XmlElement)
                {
                    GetGlobalSetting(child as XmlElement, ref settings);
                }
            }
            return settings;
        }

        private void GetGlobalSetting(XmlElement node, ref Dictionary<string, string> settings)
        {
            string sName = "", sValue = "";
            foreach (var child in node.ChildNodes)
            {
                if (child is XmlElement)
                {
                    var childNode = child as XmlElement;
                    switch (childNode.Name)
                    {
                        case "SettingName":
                            sName = childNode.InnerText;
                            break;
                        case "SettingValue":
                            sValue = childNode.InnerText;
                            break;
                    }
                }
            }
            if (!string.IsNullOrWhiteSpace(sName))
            {
                settings[sName] = sValue;
            }
        }
    }
}