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 bsmd.database;


namespace CoreDeleteTool
{
    public partial class Main : Form
    {
        SortableBindingList<MessageCore> messageCores = new SortableBindingList<MessageCore>();

        public Main()
        {
            InitializeComponent();
        }

        #region overrides

        protected override void OnLoad(EventArgs e)
        {
            base.OnLoad(e);

            if (DBManager.Instance.Connect(Properties.Settings.Default.ConnectionString))
            {
                foreach (MessageCore mc in DBManager.Instance.GetMessageCoresByStatus(MessageCore.BSMDStatus.PREPARE))
                    this.messageCores.Add(mc);
            } 
            else
            {
                MessageBox.Show("Cannot connect to database!");

                // create a dummy cores
                MessageCore mc = new MessageCore();
                mc.IMO = "1234567";
                mc.ETA = DateTime.Now;
                mc.PoC = "ZZUKN";
                mc.Portname = "Hamburg";

                this.messageCores.Add(mc);

                mc = new MessageCore();
                mc.IMO = "9999999";
                mc.ETA = DateTime.Now + TimeSpan.FromHours(1);
                mc.PoC = "DEBRE";
                mc.Portname = "Bremen";

                this.messageCores.Add(mc);

            }

            this.dataGridView.DataSource = this.messageCores;
        }

        #endregion

        #region event handler

        private void buttonDelete_Click(object sender, EventArgs e)
        {
            if ((this.dataGridView.SelectedRows.Count > 0) && DBManager.Instance.IsConnected)
            {
                if (MessageBox.Show("Delete selected item(s)?", "Confirmation", MessageBoxButtons.YesNo, MessageBoxIcon.Question, MessageBoxDefaultButton.Button2) == DialogResult.Yes)
                {
                    for (int i = 0; i < this.dataGridView.SelectedRows.Count; i++)
                    {
                        MessageCore selectedCore = this.dataGridView.SelectedRows[i].DataBoundItem as MessageCore;
                        if (selectedCore != null)
                        {
                            DBManager.Instance.DeleteCore(selectedCore);

                            this.messageCores.Remove(selectedCore);
                        }
                    }
                    // TODO:refresh data source?
                }
            }
        }

        private void buttonClose_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        private void dataGridView_DataBindingComplete(object sender, DataGridViewBindingCompleteEventArgs e)
        {
            foreach (DataGridViewColumn column in dataGridView.Columns)
            column.SortMode = DataGridViewColumnSortMode.Automatic;
        }

        private void menuStripDelete_ItemClicked(object sender, ToolStripItemClickedEventArgs e)
        {
            this.buttonDelete_Click(sender, new EventArgs());
        }

        #endregion

    }
}