using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using VEPROMS.CSLA.Library;

namespace VEPROMS
{
    // C2025-027 Annotation Type Filtering
    public partial class dlgAnnotationsSelect : Form
    {
        public dlgAnnotationsSelect()
        {
            InitializeComponent();
        }

        public dlgAnnotationsSelect(string userid)
        {
            InitializeComponent();
            UserID = userid;
        }

        private int _MyItemID;
        public int MyItemID
        {
            get { return _MyItemID; }
            set { _MyItemID = value; }
        }

        private string _UserID;
        public string UserID
        {
            get { return _UserID; }
            set { _UserID = value; }
        }

        private void btnSelect_Click(object sender, EventArgs e)
        {
            MoveSelectedItems(lstUnselected, lstSelected);
        }

        // Move selected items to lstUnselected.
        private void btnDeselect_Click(object sender, EventArgs e)
        {
            MoveSelectedItems(lstSelected, lstUnselected);
        }

        // Move selected items from one ListBox to another.
        private void MoveSelectedItems(ListBox lstFrom, ListBox lstTo)
        {
            while (lstFrom.SelectedItems.Count > 0)
            {
                lstSelected.DisplayMember = "NameStr";
                lstSelected.ValueMember = "TypeID";

                AnnotataionItem item = (AnnotataionItem)lstFrom.SelectedItems[0];
                lstTo.Items.Add(new AnnotataionItem(item.NameStr, item.TypeID));
                lstFrom.Items.Remove(item);
            }
            SetButtonsEditable();
            btnUpdate.Enabled = true;
        }

        // Move all items to lstSelected.
        private void btnSelectAll_Click(object sender, EventArgs e)
        {
            MoveAllItems(lstUnselected, lstSelected);
            btnUpdate.Enabled = true;
        }

        // Move all items to lstUnselected.
        private void btnDeselectAll_Click(object sender, EventArgs e)
        {
            MoveAllItems(lstSelected, lstUnselected);
            btnUpdate.Enabled = true;
        }

        // Move all items from one ListBox to another.
        private void MoveAllItems(ListBox lstFrom, ListBox lstTo)
        {
            lstTo.Items.AddRange(lstFrom.Items);
            lstFrom.Items.Clear();
            SetButtonsEditable();
            btnUpdate.Enabled = true;
        }

        // Enable and disable buttons.
        private void lst_SelectedIndexChanged(object sender, EventArgs e)
        {
            SetButtonsEditable();
        }
        // Save selected list to DB.
        private void btnUpdate_Click(object sender, EventArgs e)
        {
            saveChanges();
        }
        public class AnnotataionItem
        {
            private string _NameStr;
            private int _TypeID;

            public AnnotataionItem(string NameStr, int TypeID)
            {
                this._NameStr = NameStr;
                this._TypeID = TypeID;
            }
            public string NameStr
            {
                get
                {
                    return _NameStr;
                }
            }
            public int TypeID
            {
                get
                {
                    return _TypeID;
                }
            }
        }

        // Enable and disable buttons.
        private void SetButtonsEditable()
        {
            btnSelect.Enabled = (lstUnselected.SelectedItems.Count > 0);
            btnSelectAll.Enabled = (lstUnselected.Items.Count > 0);
            btnDeselect.Enabled = (lstSelected.SelectedItems.Count > 0);
            btnDeselectAll.Enabled = (lstSelected.Items.Count > 0);
        }

        private void DlgAnnotationsSelect_Load(object sender, EventArgs e)
        {
            lstUnselected.DisplayMember = "NameStr";
            lstUnselected.ValueMember = "TypeID";
            SetButtonsEditable();
            DataTable AnnoType = AnnotationstypeSelections.GetAnnoTypes(UserID);
            foreach (DataRow dr in AnnoType.Rows)
            {
                lstUnselected.Items.Add(new AnnotataionItem(dr["Name"].ToString(), (int)dr["TypeID"]));
            }

            lstSelected.DisplayMember = "NameStr";
            lstSelected.ValueMember = "TypeID";
            DataTable lstSelectedTbl = VEPROMS.CSLA.Library.AnnotationstypeSelections.Retrieve(UserID);

            foreach (DataRow lstSelectedRow in lstSelectedTbl.Rows)
            {
                lstSelected.Items.Add(new AnnotataionItem(lstSelectedRow["Name"].ToString(), (int)lstSelectedRow["TypeID"]));
            }
            btnUpdate.Enabled = false;
        }

        private void btnCancel_Click_1(object sender, EventArgs e)
        {
            if (btnUpdate.Enabled == true)
            {
                string message = "Changes have not yet been saved.  Do you want to save the changes prior to closing?";
                string title = "Save Annotation Selections";
                MessageBoxButtons buttons = MessageBoxButtons.YesNo;
                DialogResult result = MessageBox.Show(message, title, buttons);
                if (result == DialogResult.Yes)
                {
                    saveChanges();
                    this.Close();
                }
                else
                {
                    this.Close();
                }
            }
            else
            {
                this.Close();
            }
        }

        private DataTable coverToTable()
        {
            DataTable dt = new DataTable();
            dt.Columns.Add("TypeID", typeof(Int32));


            foreach (AnnotataionItem item in lstSelected.Items.OfType<AnnotataionItem>())
            {
                dt.Rows.Add(item.TypeID);
            }
            return dt;
        }
        private void saveChanges()
        {
            DataTable dt2 = coverToTable();
            VEPROMS.CSLA.Library.AnnotationstypeSelections.Update(dt2, UserID);
            btnUpdate.Enabled = false;
        }
    }
}