using System;
using System.Collections;
using System.IO;
using System.Xml;
using IwbZero.ToolCommon.LogHelpers;
using IwbZero.ToolCommon.StringModel;

namespace IwbZero.IwbBase
{
    public class IwbXmlNode
    {
        private  int Id { get; }
        private string _value;

        public IwbXmlNode(string pcName, string pcValue, int depth=-1)
        {
            Name = pcName;
            Depth = depth;
            _value = pcValue.FormatXml2Code();
            Id = StringHelper.GetRandom().ValI();
        }

        public void AddChild(IwbXmlNode poNode)
        {
            Nodes.Add(poNode);
        }

        public override bool Equals(object obj)
        {
            return obj != null && (GetHashCode() == obj.GetHashCode());
        }

        public IwbXmlNode GetChildNode(string pcNodeName)
        {
            string pcMessage = "";
            return GetChildNode(pcNodeName, ref pcMessage, false);
        }

        public IwbXmlNode GetChildNode(string pcNodeName, ref string pcMessage, bool plMandatory)
        {
            IwbXmlNode node = null;
            foreach (IwbXmlNode node2 in Nodes)
            {
                if (node2.Name.UAndT() == pcNodeName.UAndT())
                {
                    node = node2;
                    break;
                }
            }
            if ((node == null) && plMandatory)
            {
                pcMessage = pcMessage + ((pcMessage == "") ? "" : "\r\n") + pcNodeName;
            }
            return node;
        }

        public string GetChildValue(string pcNodeName,bool isFormat=true)
        {
            string str = "";
            IwbXmlNode childNode = GetChildNode(pcNodeName);
            if (childNode != null)
            {
                str = childNode.Value.Trim();
            }

            str = isFormat ? str.FormatXml2Code() : str;
            return str;
        }

        public override int GetHashCode()
        {
            return Id.GetHashCode();
        }

        public override string ToString()
        {
            string name = Name;
            if (Value != "")
            {
                name = name + "=" + Value;
            }
            return name;
        }

        public string ToXmlString(bool isFormat=true)
        {
            if (Nodes.Count == 0)
            {
                string str2 = "<{0}>{1}</{0}>";
                return string.Format(str2, Name, isFormat ? Value.FormatXml2Code() : Value.FormatCode2Xml());
            }
            string format = "<{0}>\r\n{1}\r\n</{0}>";
            string str4 = "";
            foreach (IwbXmlNode node in Nodes)
            {
                str4 = str4 + ((str4 == "") ? "" : "\r\n") + node.ToXmlString(isFormat);
            }
            return string.Format(format, Name, str4);
        }

        public int Depth { get; set; }

        public string Name { get; set; }

        public ArrayList Nodes { get; } = new ArrayList();

        public static IwbXmlNode ParseGenericXml(string pcGenericXml)
        {
            if (pcGenericXml.IsEmpty())
            {
                return null;
            }
            IwbXmlNode node = null;
            StringReader input = new StringReader(pcGenericXml);
            XmlTextReader reader2 = new XmlTextReader(input);
            Hashtable hashtable = new Hashtable();
            try
            {
                while (reader2.Read())
                {
                    if (reader2.NodeType == XmlNodeType.Element)
                    {
                        IwbXmlNode node2 = new IwbXmlNode(reader2.Name, "")
                        {
                            Depth = reader2.Depth
                        };
                        if (hashtable[reader2.Depth] == null)
                        {
                            hashtable.Add(reader2.Depth, node2);
                        }
                        else
                        {
                            hashtable[reader2.Depth] = node2;
                        }
                        if (reader2.Depth > 0)
                        {
                            ((IwbXmlNode)hashtable[reader2.Depth - 1]).AddChild(node2);
                        }
                        else
                        {
                            node = node2;
                        }
                    }
                    if (reader2.NodeType == XmlNodeType.Text)
                    {
                        ((IwbXmlNode)hashtable[reader2.Depth - 1]).Value = reader2.Value.FormatXml2Code();
                    }
                }
            }
            catch (Exception e)
            {
                typeof(IwbXmlNode).LogError(e);
                typeof(IwbXmlNode).LogError($" -------xml:{pcGenericXml}");
                node = null;
            }
            return node;
        }

        public string Value
        {
            get => _value;
            set => _value = value.FormatXml2Code();
        }
    }
}