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 BlubbFish.Utils;

namespace NetMonitorTray.View {
  public partial class ViewWindowForm : Form {
    private Models.Window model;
    private int clickedNetwork = 0;
    private int clickedVpn = 0;

    public ViewWindowForm() {
      this.InitializeComponent();
      this.FormClosed += Controller.Window.FormClosed;

      this.networksList.ItemActivate += Controller.Window.NetworkAktivate;
      this.openvpnList.ItemActivate += Controller.Window.VpnAktivate;
      this.networksList.Click += Controller.Window.NetworkSelected;
      this.openvpnList.Click += Controller.Window.VpnSelected;

      this.settingsFolderpickerVpn.Click += new System.EventHandler(Controller.Window.ChangeOpenVpnFolder);
      this.openvpnButtonConfigfile.Click += new System.EventHandler(Controller.Window.ChangeOpenVpnConfigFile);
      this.settingsFolderPickerLog.Click += new System.EventHandler(Controller.Window.ChangeLogFolder);
    }

    public void UpdateForm() {
      this.BeginInvoke((Action)(() => {
        updateLog();
        updateNetworks();
        updateVpn();
        updateSettings();
      }));
    }

    private void updateLog() {
      this.logBox.Text = "TODO: Read Log File";
    }

    private void updateVpn() {
      List<string> vpns = this.model.Vpns;
      foreach(string vpn in vpns) {
        ListViewItem item = new ListViewItem();
        item.Text = vpn;
        item.SubItems.Add(this.model.getVpnProperty(vpn, "Name"));
        openvpnList.Items.Add(item);
      }
      showSelectedOpenvpn(clickedVpn);
    }

    public void showSelectedOpenvpn(int i) {
      List<string> vpns = this.model.Vpns;
      if(vpns.Count == 0) {
        return;
      }
      if(vpns.Count <= i) {
        i = 0;
      }
      for(int j = 0; j < this.openvpnList.Items.Count; j++) {
        if(j == i) {
          this.openvpnList.Items[j].Selected = true;
        } else {
          this.openvpnList.Items[j].Selected = false;
        }
        string n = vpns[i];
        string v = this.model.getVpnProperty(n, "Name");
        this.openvpnName.Text = v;
        v = this.model.getVpnProperty(n, "Config");
        this.openvpnConfig.Text = v;
      }
    }

    private void updateNetworks() {
      List<string> networks = this.model.Networks;
      foreach(string network in networks) {
        ListViewItem item = new ListViewItem();
        item.Text = network;
        item.SubItems.Add(this.model.getNetworkProperty(network, "Name"));
        networksList.Items.Add(item);
      }
      List<string> adapters = this.model.getNetworkAdapters();
      this.networkAdapter.Items.AddRange(adapters.ToArray<string>());
      showSelectedNetwork(clickedNetwork);
    }

    public void showSelectedNetwork(int i) {
      List<string> networks = this.model.Networks;
      if(networks.Count == 0) {
        return;
      }
      if(networks.Count <= i) {
        i = 0;
      }
      for(int j=0; j<this.networksList.Items.Count;j++) {
        if(j == i) {
          this.networksList.Items[j].Selected = true;
        } else {
          this.networksList.Items[j].Selected = false;
        }
      }
      string n = networks[i];
      string v = this.model.getNetworkProperty(n, "Name");
      this.networkName.Text = v;
      v = this.model.getNetworkProperty(n, "Ip");
      if(v == "auto") {
        this.networkIp.ReadOnly = true;
        this.networkIp.Text = "";
        this.networkSubnet.ReadOnly = true;
        this.networkSubnet.Text = "";
        this.networkGateway.ReadOnly = true;
        this.networkGateway.Text = "";
        this.networkAutoIp.Checked = true;
      } else {
        this.networkIp.ReadOnly = false;
        this.networkIp.Text = v;
        v = this.model.getNetworkProperty(n, "Subnet");
        this.networkSubnet.ReadOnly = false;
        this.networkSubnet.Text = v;
        v = this.model.getNetworkProperty(n, "Gateway");
        this.networkGateway.ReadOnly = false;
        this.networkGateway.Text = v;
        this.networkAutoIp.Checked = false;
      }
      v = this.model.getNetworkProperty(n, "Dns");
      if(v == "auto") {
        this.networkDns.ReadOnly = true;
        this.networkDns.Text = "";
        this.networkAutoDns.Checked = true;
      } else {
        this.networkDns.ReadOnly = false;
        this.networkDns.Text = v;
        this.networkAutoDns.Checked = false;
      }
      v = this.model.getNetworkProperty(n, "Wins");
      if(v == "auto") {
        this.networkWins.ReadOnly = true;
        this.networkWins.Text = "";
        this.networkAutoWins.Checked = true;
      } else {
        this.networkWins.ReadOnly = false;
        this.networkWins.Text = v;
        this.networkAutoWins.Checked = false;
      }
      v = this.model.getNetworkProperty(n, "Adapter");
      this.networkAdapter.Text = v;
    }

    private void updateSettings() {
      settingsServerPort.Text = this.model.getSettingsProperty("ports", "server");
      settingsClientPortFrom.Text = this.model.getSettingsProperty("ports", "client_from");
      settingsClientPortTo.Text = this.model.getSettingsProperty("ports", "client_to");
      settingsVpnFolder.Text = this.model.getSettingsProperty("program", "openvpn");
      settingsLogFolder.Text = this.model.getSettingsProperty("program", "logfolder");
      foreach(OwnObject.LogLevel item in Enum.GetValues(typeof(OwnObject.LogLevel))) {
        settingsLogLevel.Items.Add(item.ToString());
      }
      settingsLogLevel.Text = this.model.getSettingsProperty("program", "loglevel");
    }

    public void SetModel(Models.Window window) {
      this.model = window;
    }



    public string FolderPicker() {
      DialogResult r = this.folderBrowserDialog1.ShowDialog();
      if(r == System.Windows.Forms.DialogResult.OK) {
        return this.folderBrowserDialog1.SelectedPath;
      }
      return null;
    }

    internal string FilePicker() {
      DialogResult r = this.openFileDialog1.ShowDialog();
      if(r == System.Windows.Forms.DialogResult.OK) {
        return this.openFileDialog1.FileName;
      }
      return null;
    }
  }
}