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 WeifenLuo.WinFormsUI.Docking;
using RomCheater.Core;

namespace RomCheater.ScratchPad
{
    public partial class ScratchPadDocument : UserControl
    {
        public event BaseEventHandler<ControlClosingEventArgs<int>> DocumentClosing;

        const string NewDocumentFilename = "New";
        public ScratchPadDocument() : this(NewDocumentFilename, new TabPage(), 0) { }
        public ScratchPadDocument(TabPage tp, int index) : this(NewDocumentFilename, tp, index) { }
        public ScratchPadDocument(int index) : this(NewDocumentFilename, new TabPage(), index) { }
        public ScratchPadDocument(string documentFilename, TabPage tp, int index)
        {
            InitializeComponent();
            this.DocumentFilename = documentFilename;
            this.DocumentIndex = index;
            this.DocumentTab = tp;
            this.DocumentTab.Name = string.Format("tp{0}", this.DocumentIndex);
            this.DocumentTab.Text = string.Format("{0}{1}", this.DocumentFilename, this.DocumentIndex);
            //this.DocumentClosing += new BaseEventHandler<ControlClosingEventArgs<int>>(ScratchPadDocument_DocumentClosing);
            this.DocumentTab.Controls.Add(this);
        }

        //void ScratchPadDocument_DocumentClosing(ControlClosingEventArgs<int> e)
        //{
        //    CloseDocument(this.Disposing);
        //}


        

        public void OnDocumentQuit()
        {
            CloseDocument(true);
        }

        private void CloseDocument(bool quiting)
        {
            if (ShouldAskSave())
            {
                SaveDocument();
            }
            var tb = GetParentTabControl();
            tb.TabPages.RemoveAt(this.DocumentIndex);
            if (this.DocumentClosing != null && !quiting)
            {
                this.DocumentClosing.Invoke(new ControlClosingEventArgs<int>(this, this.DocumentIndex));
            }
        }

        private bool ShouldAskSave()
        {
            bool shouldAskSave = false;
            return shouldAskSave;
        }

        private void SaveDocument()
        {
        }

        private string _DocumentFilename;
        public string DocumentFilename { get { return _DocumentFilename; } set { _DocumentFilename = value; } }
        private TabPage _DocumentTab;
        public TabPage DocumentTab { get { return _DocumentTab; } set { _DocumentTab = value; } }
        private int _DocumentIndex;
        public int DocumentIndex { get { return _DocumentIndex; } set { _DocumentIndex = value; } }

        private TabControl GetParentTabControl()
        {
            var parent = this.DocumentTab.Parent;
            TabControl tb = (parent as TabControl);
            if (tb == null)
            {
                throw new ArgumentNullException("parent", string.Format("The parent of tabpage '{0}' cannot be null", DocumentTab.Name));
            }
            else
            {
                return tb;
            }
        }

        private void mnuItemOpen_Click(object sender, EventArgs e)
        {

        }

        private void mnuItemSave_Click(object sender, EventArgs e)
        {

        }

        private void mnuItemClose_Click(object sender, EventArgs e)
        {
            CloseDocument(false);
        }
    }
}