public class Conversation {
  private Gtk.Notebook conversations;
  private Gtk.Widget widget;
  private Gtk.TextView content;
  private Gtk.Entry entry;
  private string jid;
  private string display_name;
    
  
  public signal void send_message(string type, string message);
  
  private class TabLabel : Gtk.HBox {
    public TabLabel(string label) {
      pack_start(new Gtk.Label(label), false, true, 0);
      
      Gtk.Button closeButton = new Gtk.Button();
      Gdk.Pixbuf closeImage = render_icon(Gtk.STOCK_CLOSE, (Gtk.IconSize)(-1), null);
      closeButton.image = new Gtk.Image.from_pixbuf(closeImage.scale_simple(16, 16, Gdk.InterpType.BILINEAR));
      closeButton.height_request = 20;
      closeButton.relief = Gtk.ReliefStyle.NONE;
      pack_end(closeButton, false, false, 0);
      
      show_all();
    }
  }
  
  public Conversation(Gtk.Notebook conversations0, string jid0, string? display_name0, bool explicit = true) {
    conversations = conversations0;
    jid = jid0;
    
    if(display_name0 != null)
      display_name = display_name0;
    else
      display_name = jid;
    
    Gtk.Builder builder = new Gtk.Builder();
    try {
      builder.add_objects_from_file("ephraim.glade", {"Conversation"});
    } catch(Error e) {
      
    }
    
    widget = builder.get_object("Conversation") as Gtk.Widget;
    content = builder.get_object("ConversationContent") as Gtk.TextView;
    entry = builder.get_object("ConversationEntry") as Gtk.Entry;
    
    entry.activate.connect((widget) => {
        send_message("chat", entry.text);
        entry.text = "";
      });
    
    unowned Gtk.Label title = builder.get_object("ConversationTitle") as Gtk.Label;
    title.set_text("Conversation with " + display_name);
    
    int page = conversations.append_page(widget, new TabLabel(display_name));
    conversations.set_tab_reorderable(widget, true);
    if(explicit)
      conversations.page = page;
  }
  
  ~Conversation() {
    conversations.remove(widget);
  }
  
  public void chat_message(string type, string from, string message) {
    if(type != "chat")
      return;
    
    string str = from + ": " + message;
    
    if(content.buffer.text.length != 0)
      str = "\n" + str;
    
    content.buffer.text += str;
  }
}