using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

using DaoMqGUI.ServiceReference1;
using System.ServiceModel;
using Microsoft.Win32;

namespace DaoMqGUI
{
    public partial class MainForm : Form
    {
        RemoteControlClient client = null;

        List<string> transportNameList = new List<string>();

        string hostname = "";

        public MainForm()
        {
            InitializeComponent();

            //initClient(); is now called on shown() event
            // loadTransports(); is now called on shown() event

        }

        private void initClient()
        {
            RegistryKey key = Registry.LocalMachine.CreateSubKey("Software\\DAO\\DaoMqGui");

            hostname = (string) key.GetValue("Hostname", "localhost");
            hostname = hostname.Trim();

            lnkServer.Text = hostname;

            //Step 1 - initialize client
            BasicHttpBinding binding = new BasicHttpBinding();
            EndpointAddress endpoint = new EndpointAddress(new Uri("http://" + hostname + ":8000/RemoteControl/RemoteControl"));
            client = new RemoteControlClient(binding, endpoint);
        }

        private string[] getSafeTransports()
        {
            string[] result = new string[] { };
            try
            {
                result = client.GetTransports();

                startAll.Enabled = true;
                stopAll.Enabled = true;
            }
            catch (Exception e)
            {
                MessageBox.Show(e.Message);
                startAll.Enabled = false;
                stopAll.Enabled = false;
            }

            return result;
        }

        public void loadTransports() 
        {
            int selected = transports.SelectedIndex;
            if (selected == -1) //er der ikke valgt - vælger vi den første
                selected = 0;

            transports.Items.Clear();
            transportNameList.Clear();

            string[] transportNames = getSafeTransports();
            foreach (string t in transportNames)
            {
                transportNameList.Add(t);

                bool enabled = client.GetTransportEnabled(t);
                string status = "";

                if (enabled)
                {
                    bool lastOk = client.GetTransportLastrunOk(t);
                    
                    if (lastOk)
                    {
                        status = "running";                        
                    }
                    else
                    {
                        status = "error";
                    }
                }
                else
                {
                    status = "stopped";
                }

                transports.Items.Add(t + " - " + status);
            }


            if (selected >= transports.Items.Count) //hvis at der før var flere transports end nu - kan ikke ske pt.
            {
                if (transports.Items.Count > 0) //hvis vi har nogen vælger vi den første
                    selected = 0;
                else
                    selected = -1;
            }

            transports.SelectedIndex = selected;

        }

        private void stopAll_Click(object sender, EventArgs e)
        {
            string[] transportNames = getSafeTransports();
            foreach (string t in transportNames)
            {
                client.SetTransportEnabled(t, false);
            }

            loadTransports();
        }

        private void startAll_Click(object sender, EventArgs e)
        {
            string[] transportNames = getSafeTransports();
            foreach (string t in transportNames)
            {
                client.SetTransportEnabled(t, true);
            }

            loadTransports();
        }

        private void btnEnableOne_Click(object sender, EventArgs e)
        {
            string transportName = txtTransport.Text;
            client.SetTransportEnabled(transportName, true);
            loadTransports();
        }

        private void btnDisableOne_Click(object sender, EventArgs e)
        {
            string transportName = txtTransport.Text;
            client.SetTransportEnabled(transportName, false);
            loadTransports();
        }

        private void transports_SelectedIndexChanged(object sender, EventArgs e)
        {
            loadFormData();
        }

        private void loadFormData()
        {
            if (transports.SelectedIndex == -1)
                return;

            string transportName = transportNameList[transports.SelectedIndex];

            bool enabled = client.GetTransportEnabled(transportName);
            bool lastOk = client.GetTransportLastrunOk(transportName);

            string lastokTime = client.GetTransportLastOkTime(transportName);
            string lastErrorTime = client.GetTransportLastErrorTime(transportName);

            string errorMsg = client.GetTransportLastErrorMessage(transportName);

            int counter = client.GetTransportCounter(transportName);

            txtTransport.Text = transportName;
            txtEnabled.Text = "" + enabled;
            txtLastOK.Text = "" + lastOk;

            txtOkTime.Text = lastokTime;
            txtErrorTime.Text = lastErrorTime;

            txtErrorMsg.Text = errorMsg;

            txtCounter.Text = "" + counter;



            btnDisableOne.Enabled = enabled;
            btnEnableOne.Enabled = (!enabled);            

        }

        private void refreshTimer_Tick(object sender, EventArgs e)
        {
            loadTransports(); 

            if (transports.SelectedIndex == -1)
                return;

            if (tabControl1.SelectedIndex != 0) //0 er status siden
                return;

            loadFormData();
        }

        private void loadLog()
        {
            if (transports.SelectedIndex == -1)
                return;
            string transportName = transportNameList[transports.SelectedIndex];

            string[] logEntries = client.GetTransportLog(transportName);

            string str = "";
            foreach (string entry in logEntries)
            {
                str += entry + "\r\n";
            }
            txtLog.Text = str;

        }

        private void loadConfig()
        {
            if (transports.SelectedIndex == -1)
                return;
            string transportName = transportNameList[transports.SelectedIndex];

            string direction = client.GetTransportDirection(transportName);
            string queue = client.GetTransportQueueName(transportName);
            string insert = client.GetTransportInsertQuery(transportName);
            string read = client.GetTransportReadQuery(transportName);
            string update = client.GetTransportUpdateQuery(transportName);

            txtDirection.Text = direction;
            txtQueueName.Text = queue;
            txtInsertQuery.Text = insert;
            txtReadQuery.Text = read;
            txtUpdateQuery.Text = update;

        }

        private void tabControl1_SelectedIndexChanged(object sender, EventArgs e)
        {
            if (transports.SelectedIndex == -1)
                return;

            switch (tabControl1.SelectedIndex)
            {
                case 0:
                    loadFormData();
                    break;
                case 1:
                    loadLog();
                    break;
                case 2:
                    loadConfig();
                    break;
            }
        }

        private void lnkServer_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
        {
            string tmp_hostname = Microsoft.VisualBasic.Interaction.InputBox("Indtast servernavn/ip", "MQ Gui", hostname);
            if (tmp_hostname == null || tmp_hostname.Trim().Length == 0)
                return;

            hostname = tmp_hostname.Trim();

            RegistryKey key = Registry.LocalMachine.CreateSubKey("Software\\DAO\\DaoMqGui");
            key.SetValue("Hostname", hostname, RegistryValueKind.String);
            key.Close();

            initClient();
            loadTransports();
        }

        private void MainForm_Shown(object sender, EventArgs e)
        {
            initClient();
            loadTransports();
        }

    }
}