using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Linq;
using Tanshu.Accounts.Contracts;
using Tanshu.Accounts.Repository;
using Tanshu.Data;
using Tanshu.Accounts.Entities;

namespace Tanshu.Accounts.Helpers
{
    public class SelectCustomer : Tanshu.Data.BaseSelector<Customer>
    {
        public event CustomerEventHandler customerEvent;
        public SelectCustomer(GetData<Customer> getData, bool autoClose) : base(getData, true, "List of Products")
        {
            List<string> filters = new List<string>();
            filters.Add("Universal");
            SetFilterColumns(filters);
            grid.Columns["CustomerID"].Visible = false;
            grid.Columns["LedgerID"].Visible = false;
        }

        protected override void FilterChanged(Dictionary<string, string> filter)
        {
            //data = new CustomerBI().GetFilteredCustomers(filter["Universal"].Split(' ')).ToList();
            data = getData(filter);
            bindingSource.DataSource = data;
        }
        protected override void UpdateDisplay(Customer item)
        {
            if (item == null)
                DisplayLabel = "";
            else
                DisplayLabel = string.Format("Chosen Customer is {0} with phone number {1}", item.Name, item.Phone);
        }
        protected override Customer HandleKeydown(object sender, ExtendedKeyEventArgs e)
        {
            Customer customer = bindingSource.Current as Customer;

            if (customerEvent == null)
            {
                e.Handled = false;
                return customer;
            }
            int? id = null;
            if ((customer != null) && (e.KeyCode == Keys.F2))
                id = customer.CustomerID;

            if ((e.KeyCode == Keys.F1) || (e.KeyCode == Keys.F2))
            {
                customer = customerEvent(sender, new CustomerEventArgs(id, base.filterColumns["Universal"]));
                e.Handled = customer != null;
            }
            return customer;
        }
        #region Designer Code
        /// <summary>
        /// Required designer variable.
        /// </summary>
        private System.ComponentModel.IContainer components = null;

        /// <summary>
        /// Clean up any resources being used.
        /// </summary>
        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
        protected override void Dispose(bool disposing)
        {
            if (disposing && (components != null))
            {
                components.Dispose();
            }
            base.Dispose(disposing);
        }

        #region Windows Form Designer generated code

        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InitializeComponent()
        {
            this.components = new System.ComponentModel.Container();
        }

        #endregion
        #endregion
    }
    public delegate Customer CustomerEventHandler(object sender, CustomerEventArgs e);
    public class CustomerEventArgs : EventArgs
    {
        public CustomerEventArgs(int? customerID, string phone)
        {
            CustomerID = customerID;
            Phone = phone;
        }
        public int? CustomerID
        {
            get;
            private set;
        }
        public string Phone
        {
            get;
            private set;
        }
    }
}