using System;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Text;
using System.Windows.Forms;
using Payroll.BO;
using Ease.CoreV35.Model;
using Payroll.UI;

namespace Payroll.Controls.CustomControls
{
    public partial class ctlEmployee : UserControl
    {
        public delegate void ItemChangedEventHandeler();
        private bool _IsInternal = false;
        private SearchEmployee _Employee = null;
        public event ItemChangedEventHandeler ItemChanged;
        public ObjectsTemplate<Grade> _Grades = null;

        public ctlEmployee()
        {
            InitializeComponent();
        }


        public void SetSelectedEmployee(SearchEmployee omp)
        {
            _Employee = omp;
            SelectedEmployee = _Employee;
            RefreshControl();
        }


        public SearchEmployee SelectedEmployee
        {
            get
            {
                return _Employee;
            }
            set
            {
                if(ValidEmployee(value))
                {
                    _Employee = value;
                    RefreshControl(); 
                }
            }
        }

        public ObjectsTemplate<Grade> Grades
        {
            get
            {
                return _Grades;
            }
            set
            {
                _Grades = value;
            }
        }
        
        private void ctlEmployee_Resize(object sender, EventArgs e)
        {
            txtCode.Left = 4;
            txtCode.Top = 4;
            txtCode.Width = Convert.ToInt32(Convert.ToDouble(this.Width) * 0.30);
            txtCode.Width = txtCode.Width > 100 ? 100 : txtCode.Width;
            btnPeek.Top = 2;
            btnPeek.Left = txtCode.Width + 7;
            txtDescription.Top = 4;
            txtDescription.Left = txtCode.Width + 10 + btnPeek.Width;
            txtDescription.Width = this.Width - txtCode.Width - btnPeek.Width - 10;  
        }

        private void txtCode_TextChanged(object sender, EventArgs e)
        {
            if (!_IsInternal)
            {
                GetEmployee();
            }
        }

        private void GetEmployee()
        {
            try
            {
                Employee oEmp = null;
                if (txtCode.Text.Trim().Length > 0)
                {
                   oEmp = Employee.Get(txtCode.Text);
                }
                _Employee = null;
                if (oEmp != null)
                {
                    if (ValidEmployee(oEmp.GetSearchEmployee()))
                    {
                        _Employee = oEmp.GetSearchEmployee();
                    }
                }
                if(_Employee != null)
                    RefreshControl();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }

        public void Clear()
        {
            _IsInternal = true;
            txtCode.Text = string.Empty;
            _IsInternal = false;
            _Employee = null;
            RefreshControl();
        }

        private bool ValidEmployee(SearchEmployee oEmp)
        {
            bool isValid = true;
            if (_Grades != null)
            {
               isValid = _Grades.Contains(oEmp.GradeID);
            }
            return isValid;
        }

        private void RefreshControl()
        {
            _IsInternal = true;
            txtDescription.Text = string.Empty;
            txtCode.ForeColor = Color.Black;
            if (_Employee != null)
            {
                txtCode.Text = _Employee.EmployeeNo;
                txtDescription.Text = _Employee.Name;

            }
            else
            {
                txtCode.ForeColor = Color.Red;
            }
            _IsInternal = false;
            if (ItemChanged != null)
            {
                ItemChanged();
            }
        }

        private void btnPeek_Click(object sender, EventArgs e)
        {
            fSearchEmployee search = new fSearchEmployee();
            search.MultipleSelection = false;
            if (this.Grades != null)
            {
                search.Grades = this.Grades;
            }
            search.ShowDialog();
            _Employee = null;
            if (search.SelectedEmployee != null)
            {
                _Employee = search.SelectedEmployee;
            }
            RefreshControl();
        }

        
        private string _employeeNo;
        public string EmployeeNo
        {
            get 
            {
                _employeeNo = txtCode.Text;
                return _employeeNo; 
            }
            set { _employeeNo = value; }
        }

        public void FocusEmployeeNo()
        {
            txtCode.Focus();
          
        }
    
    }
}