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 Autodesk.Revit.UI;
using Autodesk.Revit.UI.Selection;
using Autodesk.Revit.DB;
using Autodesk.Revit.Creation;
using Autodesk.Revit.DB.Structure;
using System.Drawing.Imaging;
using System.Windows;
using System.Diagnostics;
using System.IO;
using KDCS.Utils;


namespace KMBIM
{
    public partial class FormExtend2Level : System.Windows.Forms.Form
    {
        public int RTcode;
        public Autodesk.Revit.UI.ExternalCommandData revit;
        private System.Windows.Forms.Label normalLabel;
        private System.Windows.Forms.Label originLabel;

        private System.Windows.Forms.GroupBox creationGroupBox;
        private System.Windows.Forms.Button okButton;
        private System.Windows.Forms.Button cancelButton;

        Autodesk.Revit.Creation.Application creApp;
        Autodesk.Revit.Creation.Document creDoc;

        public Level level;
        List<Level> levelList;

        public FormExtend2Level()
        {
            InitializeComponent();
        }

        public int m_Extend;
        public string m_LvlExtend, m_LvlCurrent;
        private double m_offset;

        public double Offset
        {
            get { return m_offset; }
            set { m_offset = value; }
        }

        
        private List<Element> getLevel()
        {
            this.Hide();
            UIApplication uiapp = revit.Application;
            UIDocument uidoc = uiapp.ActiveUIDocument;
            Autodesk.Revit.DB.Document doc = uidoc.Document;

            Autodesk.Revit.DB.View view = doc.ActiveView;
            ElementId levelId = null;
            List<Element> ElemList = new List<Element>();

            Parameter level = view.LookupParameter("Associated Level");

            FilteredElementCollector lvlCollector = new FilteredElementCollector(doc);
            ICollection<Element> lvlCollection = lvlCollector.OfClass(typeof(Level)).ToElements();

            foreach(Element l in lvlCollection)
            {
                Level lvl = l as Level;
                ElemList.Add(lvl);
                //MessageBox.Show("" + lvl.Name);                
            }
            return ElemList;
        }


        private void FormExtend2Level_Load(object sender, EventArgs e)
        {
            this.KeyPreview = true;
            UIApplication uiapp = revit.Application;
            UIDocument uidoc = uiapp.ActiveUIDocument;
            Autodesk.Revit.DB.Document doc = uidoc.Document;
            Level level = doc.ActiveView.GenLevel;
            List<Element> levelList = null;

            if(level != null)
            {
                txt_CurrentLevel.Text = level.Name;
                m_LvlCurrent = level.Name;
            }
            else
            {
                txt_CurrentLevel.Text = "Unknown";
                m_LvlCurrent = "Unknown";
            }
            

            //레벨 가져오기
            levelList = getLevel();
            //레벨 리스트 목록 콤보박스 추가
            foreach (Element l in levelList)
            {
                Level lvl = l as Level;
                combo_ExtendLevel.Items.Add(lvl.Name);
            }


            //연장할레벨 저장
            if (Reg.getReg("ExtLev_Lvl") == "")
            {
                combo_ExtendLevel.SelectedIndex = 0;
            }
            else
            {
                string Lvl_Str = Reg.getReg("ExtLev_Lvl");
                combo_ExtendLevel.SelectedItem = Lvl_Str;
            }


            //오프셋 0으로 지정
            if (Reg.getReg("ExtLev_offset") == "")
            {
                Reg.setReg("ExtLev_offset", "0");
                txt_Offset.Text = "0";
            }
            else
            {
                string Offset_Str = Reg.getReg("ExtLev_offset");
                txt_Offset.Text = Offset_Str;
            }

            
        }
        
        //간격 띄우기 
        private void txt_Offset_TextChanged(object sender, EventArgs e)
        {
            if (txt_Offset.Text == "") return;
            if (txt_Offset.Text != "-")
            {
                m_offset = double.Parse(txt_Offset.Text);
                Reg.setReg("ExtLev_offset", m_offset.ToString());
            }
                
        }

        private void FormExtend2Level_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.KeyCode == Keys.Escape)
            {
                //this.Close();
                this.DialogResult = DialogResult.Cancel;
            }
            else if (e.KeyCode == Keys.Enter)
            {
                this.DialogResult = DialogResult.OK;
            }
        }

        private void txt_Offset_KeyPress(object sender, KeyPressEventArgs e)
        {
            int keyCode = (int)e.KeyChar;
            if ((keyCode < 48 || keyCode > 57) && keyCode != 8 && keyCode != 46 && keyCode != 45)
                e.Handled = true;

            if(keyCode == 45)
            {
                if (txt_Offset.Text.Contains("-") == true) e.Handled = true;
            }

            if (keyCode == 46)
            {
                if (string.IsNullOrEmpty(txt_Offset.Text) || txt_Offset.Text.Contains('.') == true)
                    e.Handled = true;
            }
        }
        

        private void combo_ExtendLevel_SelectedIndexChanged(object sender, EventArgs e)
        {
            m_Extend = combo_ExtendLevel.SelectedIndex;
            m_LvlExtend = combo_ExtendLevel.SelectedItem as string;

            Reg.setReg("ExtLev_Lvl", m_LvlExtend);
        }

        private void combo_ExtendLevel_DrawItem(object sender, DrawItemEventArgs e)
        {
            System.Windows.Forms.ComboBox cbx = sender as System.Windows.Forms.ComboBox;
            if(cbx != null)
            {
                e.DrawBackground();
                if(e.Index >= 0)
                {
                    StringFormat sf = new StringFormat();
                    sf.LineAlignment = StringAlignment.Center;
                    sf.Alignment = StringAlignment.Far;
                    Brush brush = new SolidBrush(cbx.ForeColor);
                    if ((e.State & DrawItemState.Selected) == DrawItemState.Selected)
                        brush = SystemBrushes.HighlightText;
                    e.Graphics.DrawString(cbx.Items[e.Index].ToString(), cbx.Font, brush, e.Bounds, sf);
                }
            }

        }

    }
}