using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using GZTW.AyaNova.BLL;

namespace AyaNova.PlugIn.AyaScript
{
    public partial class ScriptDesigner : Form
    {
        //string mScript = "";
        
        //public string Script 
        //{
        //    get
        //    {
        //        return mScript;
        //    }
        //    set
        //    {
        //        if (mScript != value)
        //        {
        //            mScript = value;
        //            IsDirty = true;
        //        }
        //    }
        //}



        public Guid ScriptID { get; set; }
        private bool IsDirty { get; set; }
        private bool IsNew { get; set; }
        //private bool IsEmpty
        //{
        //    get
        //    {
        //        return string.IsNullOrEmpty(Script);
        //    }
        //}

        
        public ScriptDesigner()
        {
            InitializeComponent();           
        }


        private void ScriptDesigner_Load(object sender, EventArgs e)
        {
            this.Icon = Resource.ScriptIco;
            IsDirty = false;
            IsNew = true;
            ScriptID = Guid.NewGuid();
            PopulateOpenMenu();
        }

        private void ScriptDesigner_FormClosing(object sender, FormClosingEventArgs e)
        {
            if (!SaveChanges()) e.Cancel = true;
            Util.WriteScripts();
        }


        private void PopulateOpenMenu()
        {
            openToolStripMenuItem.DropDownItems.Clear();
            foreach (Util.ScriptItem si in Util.ScriptList)
            {
                ToolStripMenuItem tsi = new ToolStripMenuItem();
                tsi.Text = si.ScriptName;
                tsi.Tag = si.ScriptID;
                openToolStripMenuItem.DropDownItems.Add(tsi);
            }
        }

        private void openToolStripMenuItem_DropDownItemClicked(object sender, ToolStripItemClickedEventArgs e)
        {
            if (!SaveChanges()) return;
            //load selected script into editor
            Guid g = (Guid)e.ClickedItem.Tag;
            edScript.Text = Util.GetScript(g);
            ScriptID = g;
            IsDirty = false;
            IsNew = false;
        }

        /// <summary>
        /// returns false if should cancel operation
        /// </summary>
        /// <returns></returns>
        private bool SaveChanges()
        {
            if (!IsDirty) return true;
            DialogResult dr=MessageBox.Show("Save changes?", "", MessageBoxButtons.YesNoCancel, MessageBoxIcon.Warning);
            if (dr == DialogResult.Cancel) return false;
            if (dr == DialogResult.No) return true;
            Util.SaveScript(edScript.Text,ScriptID);
            IsDirty = false;
            IsNew = false;
            PopulateOpenMenu();
            return true;

        }

        ///// <summary>
        ///// Main entry point for script
        ///// This method must be present and it's definition and parameters unmodified
        ///// to work with AyaScript
        ///// 
        ///// Other methods can be defined separately but this one must be present
        ///// </summary>
        ///// <param name="objectType">AyaNova RootObjectType of passed ayaNovaObject or the type of object in the list if it's a list object</param>
        ///// <param name="ayaNovaObject">If a single object then this is the AyaNova business object, if a list then this is the list object</param>
        ///// <param name="objectIDList">If a list, this contains the id's of the AyaNova objects in the list.  Null if not called from a list.</param>
        //public static void AyaScriptMain(RootObjectTypes objectType, Object ayaNovaObject, List<Guid> objectIDList)
        //{
        //}


        private void newScriptToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (!SaveChanges()) return;
            System.Text.StringBuilder sb = new StringBuilder();
            ScriptID = Guid.NewGuid();
            //Header
            sb.Append("//Script created: ");
            sb.Append(System.DateTime.Now.ToString());
            sb.Append("\r\n");
            sb.Append("//Name: Script ");
            sb.Append(System.DateTime.Now.ToString());
            sb.Append("\r\n");
            sb.Append("//ShowInMenuFor: Everywhere\r\n");
            sb.Append("//HandlesAyaNovaTypes: Client\r\n");           
            sb.Append("\r\n");
            sb.Append("\r\n");
            sb.Append("\r\n");
            sb.Append("\r\n");
            sb.Append("\r\n");
            //Main method
            sb.Append("/// <summary> \r\n" +
"/// Main entry point for script \r\n" +
"/// This method must be present and it's definition and parameters unmodified \r\n" +
"/// to work with AyaScript \r\n" +
"///  \r\n" +
"/// Other methods can be defined separately but this one must be present \r\n" +
"/// </summary> \r\n" +
"/// <param name=IsList>true if called from a list object, false if called from a single object edit form</param> \r\n" +
"/// <param name=objectType>AyaNova RootObjectType of passed ayaNovaObject or the type of object in the list if it's a list object</param> \r\n" +
"/// <param name=ayaNovaObject>If a single object then this is the AyaNova business object, if a list then this is the list object, if called from the main menu where there is no object this is DBNull.Value</param> \r\n" +
"/// <param name=objectIDList>If a list, this contains the id's of the AyaNova objects in the list, otherwise it's an empty list.</param>\r\n" );
            sb.Append("public static void AyaScriptMain(bool IsList, RootObjectTypes objectType, Object ayaNovaObject, List<Guid> objectIDList)\r\n");
            sb.Append("{\r\n");
            sb.Append("\tMessageBox.Show(\"Hello from AyaScript!\");\r\n");
            sb.Append("}\r\n");


            edScript.Text = sb.ToString();
            IsNew = true;
            
           
            ScriptHeader sh = new ScriptHeader();
            sh.Script = edScript.Text;

            if (sh.ShowDialog() == DialogResult.Cancel)
            {               
                sh.Dispose();
                return;
            }
            sh.Dispose();
            edScript.Text = sh.Script;
           
            
        }

        /// <summary>
        /// Set header values
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void headerToolStripMenuItem_Click(object sender, EventArgs e)
        {
            ScriptHeader sh = new ScriptHeader();
            sh.Script = edScript.Text;
            if (sh.ShowDialog() == DialogResult.OK)
                edScript.Text = sh.Script;
            sh.Dispose();
        }

        /// <summary>
        /// Save script
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void saveScriptToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (!IsDirty) return;
            Util.SaveScript(edScript.Text, ScriptID);
            IsDirty = false;
            IsNew = false;
        }

       
       

        private void deleteScriptToolStripMenuItem_Click(object sender, EventArgs e)
        {
            
            if (MessageBox.Show("Are you sure?", "Delete script permanently?", MessageBoxButtons.YesNo, MessageBoxIcon.Stop, MessageBoxDefaultButton.Button2) == DialogResult.No)
                return;
            if(!IsNew)
                Util.DeleteScript(ScriptID);
            edScript.Text = "";
            ScriptID = Guid.NewGuid();
            PopulateOpenMenu();
            edScript.Text = "";
            IsDirty = false;
            IsNew = true;
        }

        private void exitToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (!SaveChanges()) return;
            Close();
        }

        private void edScript_TextChanged(object sender, EventArgs e)
        {
            IsDirty = true;
        }

        private void aboutToolStripMenuItem_Click(object sender, EventArgs e)
        {
            MessageBox.Show(Util.AYS.About + "\r\nVersion " + Util.AYS.PluginVersion);
        }

        private void helpContentsToolStripMenuItem_Click(object sender, EventArgs e)
        {
            System.Diagnostics.Process.Start("https://api.ayanova.com/AyaScript/index.htm");
        }

        

       



       //-----------------------------------------------
    }
}