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;

namespace MeshCentralRouter
{
    public partial class AddPortMapForm : Form
    {
        private MeshCentralServer meshcentral;

        public AddPortMapForm(MeshCentralServer meshcentral)
        {
            this.meshcentral = meshcentral;
            InitializeComponent();
        }

        public int getProtocol() { return (int)(tcpRadioButton.Checked?1:2); }
        public int getLocalPort() { return (int)localNumericUpDown.Value; }
        public int getRemotePort() { return (int)remoteNumericUpDown.Value; }
        public int getAppId() { return (int)appComboBox.SelectedIndex; }
        public NodeClass getNode() { return (NodeClass)nodeComboBox.SelectedItem; }

        private void AddPortMapForm_Load(object sender, EventArgs e)
        {
            // Fill the groups
            groupComboBox.Items.Clear();
            foreach (string meshid in meshcentral.meshes.Keys)
            {
                MeshClass mesh = meshcentral.meshes[meshid];
                if (mesh.type == 2)
                {
                    int nodeCount = 0;
                    foreach (string nodeid in meshcentral.nodes.Keys)
                    {
                        NodeClass node = meshcentral.nodes[nodeid];
                        if ((node.meshid == mesh.meshid) && ((node.conn & 1) != 0)) { nodeCount++; }
                    }
                    if (nodeCount > 0) { groupComboBox.Items.Add(mesh); }
                }
            }

            // Set default selection
            if (groupComboBox.Items.Count > 0) { groupComboBox.SelectedIndex = 0; }
            appComboBox.SelectedIndex = 1;
            fillNodesInDropDown();
        }

        private void fillNodesInDropDown()
        {
            MeshClass mesh = (MeshClass)groupComboBox.SelectedItem;

            // Fill the nodes dropdown
            nodeComboBox.Items.Clear();
            foreach (string nodeid in meshcentral.nodes.Keys)
            {
                NodeClass node = meshcentral.nodes[nodeid];
                if ((node.meshid == mesh.meshid) && ((node.conn & 1) != 0)) { nodeComboBox.Items.Add(node); }
            }

            if (nodeComboBox.Items.Count > 0) { nodeComboBox.SelectedIndex = 0; }
        }

        private void appComboBox_SelectedIndexChanged(object sender, EventArgs e)
        {
            if (appComboBox.SelectedIndex == 1) { remoteNumericUpDown.Value = 80; }
            if (appComboBox.SelectedIndex == 2) { remoteNumericUpDown.Value = 443; }
            if (appComboBox.SelectedIndex == 3) { remoteNumericUpDown.Value = 3389; }
            if (appComboBox.SelectedIndex == 4) { remoteNumericUpDown.Value = 22; }
            if (appComboBox.SelectedIndex == 5) { remoteNumericUpDown.Value = 22; }
        }

        private void cancelButton_Click(object sender, EventArgs e)
        {
            DialogResult = DialogResult.Cancel;
        }

        private void okButton_Click(object sender, EventArgs e)
        {
            DialogResult = DialogResult.OK;
        }

        private void groupComboBox_SelectedIndexChanged(object sender, EventArgs e)
        {
            fillNodesInDropDown();
        }

        private void tcpRadioButton_CheckedChanged(object sender, EventArgs e)
        {
            appComboBox.Enabled = tcpRadioButton.Checked;
            if (udpRadioButton.Checked) { appComboBox.SelectedIndex = 0; }
        }
    }
}