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 System.Runtime.InteropServices;
using System.Net;
using SafeNetLib;

namespace MotoTRBO_SOC
{
    public partial class SettingsForm : Form
    {
        [DllImportAttribute("user32.dll")]
        public static extern int SendMessage(IntPtr hWnd, int Msg, int wParam, int lParam);
        [DllImportAttribute("user32.dll")]
        public static extern bool ReleaseCapture();
        public const int WM_NCLBUTTONDOWN = 0xA1;
        public const int HT_CAPTION = 0x2;

        private int seqID = 1;

        public SettingsForm()
        {
            InitializeComponent();
            this.DialogResult = System.Windows.Forms.DialogResult.Cancel;
        }

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


            /// <summary>
        /// Intercept mouse move on all the items of the form
        /// </summary>
        /// <param name="sender">UI object which raised the event</param>
        /// <param name="e">Mouse event parameters</param>
        private void SettingsForm_MouseMove(object sender, MouseEventArgs e)
        {
            // move form window if mouse moved with mouse pressed
            if (e.Button == MouseButtons.Left)
            {
                ReleaseCapture();
                SendMessage(Handle, WM_NCLBUTTONDOWN, HT_CAPTION, 0);
            }
        }

        
        /// <summary>
        /// Event handler for when the from is loaded. It will update the UI 
        /// elements to the value stored in the config file
        /// </summary>
        private void SettingsForm_Load(object sender, EventArgs e)
        {
            // set if gateway must be capacity plus or no
            cbCapacityPlus.Checked = MotoTRBO_GW.cfg.capPlus;

            // set radio IP
            tbRadioIP.Text = MotoTRBO_GW.cfg.masterRadioIP;

            // set if gateway should send triggered location stop or not
            cbLocationStop.Checked = MotoTRBO_GW.cfg.locationStop;

            // set gateway code
            Int32 gwCode = 666666;
            Int32.TryParse(MotoTRBO_GW.cfg.gw_id, out gwCode);
            npGwCode.Value = gwCode > 0 ? gwCode : 1;

            // set radio ID
            npRadioID.Value = MotoTRBO_GW.cfg.masterRadioID > 0 ? MotoTRBO_GW.cfg.masterRadioID : 1;
        }


        private void btSave_Click(object sender, EventArgs e)
        {
            MotoTRBO_GW.cfg.UpdateConfigParameter("GATEWAY", "id", npGwCode.Value.ToString());
            MotoTRBO_GW.cfg.UpdateConfigParameter("GATEWAY", "MasterRadioIP", tbRadioIP.Text);
            MotoTRBO_GW.cfg.UpdateConfigParameter("GATEWAY", "MasterRadioID", npRadioID.Value.ToString());
            MotoTRBO_GW.cfg.UpdateConfigParameter("GATEWAY", "capPlus", cbCapacityPlus.Checked ? "true" : "false");
            MotoTRBO_GW.cfg.UpdateConfigParameter("GATEWAY", "locationStop", cbLocationStop.Checked ? "true" : "false");

           DialogResult dr = MessageBox.Show("Settings saved succesfully. You need to restart gateway " + 
                                "for the changes to take effect." + System.Environment.NewLine +
                                System.Environment.NewLine + " Do you wish to restart now?", "Settings saved", 
                                MessageBoxButtons.YesNo);
           if (dr == System.Windows.Forms.DialogResult.Yes)
           {
               // restart gateway
               if (OnRestartSelected != null)
                   OnRestartSelected();

               this.Close();
           }
           else
           { 
               // user decided to do nothing
           }
        }


        /// <summary>
        /// Event handler for when Capacity Plus checkbox changes it's status
        /// </summary>
        private void cbCapacityPlus_CheckedChanged(object sender, EventArgs e)
        {
            if (cbCapacityPlus.Checked)
                lbRadioIP.Text = "MASTER RADIO IP";
            else
                lbRadioIP.Text = "RADIO IP";
        }

        private void tbRadioIP_TextChanged(object sender, EventArgs e)
        {
            IPAddress ip;
            bool b = IPAddress.TryParse(tbRadioIP.Text, out ip);
            btSave.Enabled = b;
        }

        public delegate void RestartSelected();
        public event RestartSelected OnRestartSelected;


        private void buttonTriggered_Click(object sender, EventArgs e)
        {
            try
            {
                if (!MotoTRBO_GW.unitsLoaded)
                    return;

                buttonTriggered.Enabled = false;
                LocationThread.SendTriggeredLocationSTOP(numericRadioID.Value.ToString(), LocationThread.REQ_ID);

                if (OnCommandRequested != null)
                    OnCommandRequested("Manual triggered location stop request for " + numericRadioID.Value.ToString());

                Timer p = new Timer();
                p.Interval = 1500;
                p.Start();
                p.Tick += delegate(object sender2, EventArgs e2)
                {
                    Utils.WriteLine("««« Debug Triggered location request", ConsoleColor.Cyan);
                    LocationThread.SendTriggeredLocationRequest(numericRadioID.Value.ToString(), (int)numericInterval.Value);

                    if (OnCommandRequested != null)
                        OnCommandRequested("Manual triggered location request [" + numericInterval.Value + " sec] for " + numericRadioID.Value.ToString());

                    this.Invoke((MethodInvoker)delegate()
                    {
                        buttonTriggered.Enabled = true;
                        p.Stop();
                        p.Dispose();
                    });
                };
            }
            catch (Exception ex) { }
        }

        private void buttonImmediate_Click(object sender, EventArgs e)
        {
            try
            {
                if (!MotoTRBO_GW.unitsLoaded)
                    return;

                buttonImmediate.Enabled = false;
                Utils.WriteLine("««« Debug POLL location request", ConsoleColor.Cyan);
                LocationThread.SendPollRequest(numericRadioID.Value.ToString(), (byte)seqID++);

                if (OnCommandRequested != null)
                    OnCommandRequested("Manual poll location request for " + numericRadioID.Value.ToString());

                Timer p = new Timer();
                p.Interval = 3000;
                p.Start();
                p.Tick += delegate(object sender2, EventArgs e2)
                {
                    this.Invoke((MethodInvoker)delegate()
                    {
                        buttonImmediate.Enabled = true;
                        p.Stop();
                        p.Dispose();
                    });
                };
            }
            catch (Exception ex) { }
        }


        public delegate void commandRequested(string UIMessage);
        public event commandRequested OnCommandRequested;


       
    }
}