using System;
using System.Collections.Generic;
using System.Text;

using Skelta.Core;
using Skelta.HWS.WorkListChannel;
using Skelta.HWS;
using Workflow.NET;
using System.Net.Mail;
using System.Xml;

namespace My.Net.Workflow
{
    public class SimpleWorkItemForm : WorkItemFormBase, ISkeltaAddInProvider
    {
        //Must Override: ReadDefinitionXml, FormConfigurationUserInterfaceURL, Name, FormType, SupportedTechnologyTypes, Clone. 
        //Methods which does not have any default implementation are: OnWorkItemCreation, OnWorkItemTransaction, OnFormIgnoredForWorkItem, InitialFormUri, InitialFormState

        //840a3aea-cb71-4d61-b603-e5f6c3fd6b76	Form	SimpleWorkForm	My.Net.Workflow.SimpleWorkItemForm	bin\My.Net.Workflow.dll

        private Guid _id;
        private string _settings;
        private string _name;
        private Log log = new Log();
        
        /// <summary>
        /// The key that is used in the database to look up this instance
        /// </summary>
        public override string FormType
        {
            get
            {
                return "SimpleWorkForm";
            }
        }

        /// <summary>
        /// The link between the channel and the form.  The forms that support
        /// this technology will be loaded for the channel of this type.
        /// </summary>
        public override string[] SupportedTechnologyTypes
        {
            get
            {
                return new string[] { "SimpleWork" };
            }
        }

        /// <summary>
        /// Provides a configuration screen for this form
        /// </summary>
        public override string FormConfigurationUserInterfaceURL
        {
            get
            {
                return "";
            }
        }

        /// <summary>
        /// Store the name of this instance of the form
        /// </summary>
        public override string Name
        {
            get { return _name; }
            set { _name = value; }
        }

        /// <summary>
        /// Create a copy of this Form to use for the instance of the workflow
        /// </summary>
        /// <returns></returns>
        public override IWorkItemForm Clone()
        {
            log.LogInformation("^^^^^^^^^ Cloning the New Simple Form ^^^^^^^^^^");

            SimpleWorkItemForm form = (SimpleWorkItemForm)this.MemberwiseClone();

            if (this.Roles != null && this.Roles.Length > 0)
                form.Roles = new List<string>(this.Roles).ToArray();

            if (this.Actors != null && this.Actors.Length > 0)
                form.Actors = new List<Guid>(this.Actors).ToArray();

            form._RunTimeProperties = new Dictionary<string, object>();

            foreach (string key in this._RunTimeProperties.Keys)
            {
                form._RunTimeProperties.Add(key, this._RunTimeProperties[key]);
            }

            return form;
        }

        /// <summary>
        /// Called to handle any settings that are passed in from the Actions.xml file
        /// </summary>
        /// <param name="reader"></param>
        public override void ReadDefinitionXml(XmlTextReader reader)
        {
            //Do nothing yet
        }

        /// <summary>
        /// Called when a workItem gets assigned to this channel.  Responsible for doing
        /// all the work to handle this workItem.
        /// </summary>
        /// <param name="mailWorkItem"></param>
        public override void OnWorkItemCreation(WorkItem mailWorkItem)
        {
            log.LogInformation("^^^^^^^^^ Calling Create in the New Simple Form ^^^^^^^^^^");
        }



        #region ISkeltaAddInProvider Members

        Guid ISkeltaAddInProvider.Id
        {
            get { return _id; }
        }

        void ISkeltaAddInProvider.InitializeProvider(string settings, Guid id)
        {
            _settings = settings;
            _id = id;
        }

        string ISkeltaAddInProvider.Settings
        {
            get { return _settings; }
        }

        #endregion
    }
}