using System;
using System.IO;

using Autodesk.Revit.Attributes;

namespace AddInManager
{
    public class AddinItem : IAddinNode
    {
        public AddinItem(AddinType type)
        {
            AddinType = type;
            m_clientId = Guid.NewGuid();
            ClientIdString = m_clientId.ToString();
            m_assemblyPath = string.Empty;
            AssemblyName = string.Empty;
            FullClassName = string.Empty;
            m_name = string.Empty;
            Save = true;
            VisibilityMode = VisibilityMode.AlwaysVisible;
        }

        public AddinItem(string assemblyPath, Guid clientId, string fullClassName, AddinType type, TransactionMode? transactionMode, RegenerationOption? regenerationOption, JournalingMode? journalingMode)
        {
            TransactionMode = transactionMode;
            RegenerationMode = regenerationOption;
            JournalingMode = journalingMode;
            AddinType = type;
            m_assemblyPath = assemblyPath;
            AssemblyName = Path.GetFileName(m_assemblyPath);
            m_clientId = clientId;
            ClientIdString = clientId.ToString();
            FullClassName = fullClassName;
            var num = fullClassName.LastIndexOf(".");
            m_name = fullClassName.Substring(num + 1);
            Save = true;
            VisibilityMode = VisibilityMode.AlwaysVisible;
        }

        public void SaveToManifest()
        {
            var manifestFile = new ManifestFile($"{m_name}.addin");
            if (AddinType == AddinType.Application)
            {
                manifestFile.Applications.Add(this);
            }
            else if (AddinType == AddinType.Command)
            {
                manifestFile.Commands.Add(this);
            }
            manifestFile.Save();
        }

        public AddinType AddinType { get; set; }

        public string AssemblyPath
        {
            get => m_assemblyPath;
            set
            {
                m_assemblyPath = value;
                AssemblyName = Path.GetFileName(m_assemblyPath);
            }
        }

        public string AssemblyName { get; set; }

        public Guid ClientId
        {
            get => m_clientId;
            set
            {
                m_clientId = value;
                ClientIdString = m_clientId.ToString();
            }
        }

        protected internal string ClientIdString { get; set; }

        public string FullClassName { get; set; }

        public string Name
        {
            get
            {
                if (string.IsNullOrEmpty(m_name))
                {
                    return "External Tool";
                }
                return m_name;
            }
            set
            {
                if (!string.IsNullOrEmpty(value))
                {
                    m_name = value;
                    return;
                }
                m_name = "External Tool";
            }
        }

        public string Description
        {
            get
            {
                if (string.IsNullOrEmpty(m_description))
                {
                    return "\"\"";
                }
                return m_description;
            }
            set
            {
                if (string.IsNullOrEmpty(value))
                {
                    m_description = "\"\"";
                    return;
                }
                m_description = value;
            }
        }

        public VisibilityMode VisibilityMode { get; set; }

        public bool Save { get; set; }

        public bool Hidden { get; set; }

        public TransactionMode? TransactionMode { get; set; }

        public RegenerationOption? RegenerationMode { get; set; }

        public JournalingMode? JournalingMode { get; set; }

        public override string ToString()
        {
            return m_name;
        }

        protected string m_assemblyPath;
        protected Guid m_clientId;
        private string m_name;
        private string m_description;
    }
}