/*
** Copyright (C) 2011 Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
**
** This program is free software; you can redistribute it and/or modify it
** under the terms of the GNU General Public License as published by the
** Free Software Foundation; either version 3, or (at your option) any
** later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software Foundation,
** Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
**
*/

#include "mu-msg-view.h"
#include "mu-msg-body-view.h"
#include "mu-msg-attach-view.h"
#include "mu-msg-header-view.h"

#include <mu-msg.h>
#include <mu-msg-part.h>

/* 'private'/'protected' functions */
static void mu_msg_view_class_init (MuMsgViewClass *klass);
static void mu_msg_view_init       (MuMsgView *obj);
static void mu_msg_view_finalize   (GObject *obj);

/* list my signals  */
enum {
	/* MY_SIGNAL_1, */
	/* MY_SIGNAL_2, */
	LAST_SIGNAL
};

struct _MuMsgViewPrivate {
	GtkWidget *_headers;
	GtkWidget *_body;
	GtkWidget *_attach, *_attacharea;
};
#define MU_MSG_VIEW_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
                                         MU_TYPE_MSG_VIEW, \
                                         MuMsgViewPrivate))
/* globals */
static GtkVBoxClass *parent_class = NULL;

/* uncomment the following if you have defined any signals */
/* static guint signals[LAST_SIGNAL] = {0}; */

G_DEFINE_TYPE (MuMsgView, mu_msg_view, GTK_TYPE_VBOX);

static void
mu_msg_view_class_init (MuMsgViewClass *klass)
{
	GObjectClass *gobject_class;
	gobject_class = (GObjectClass*) klass;

	parent_class            = g_type_class_peek_parent (klass);
	gobject_class->finalize = mu_msg_view_finalize;

	g_type_class_add_private (gobject_class, sizeof(MuMsgViewPrivate));

	/* signal definitions go here, e.g.: */
/* 	signals[MY_SIGNAL_1] = */
/* 		g_signal_new ("my_signal_1",....); */
/* 	signals[MY_SIGNAL_2] = */
/* 		g_signal_new ("my_signal_2",....); */
/* 	etc. */
}

static void
on_attach_activated (MuMsgView *self, guint partnum, MuMsg *msg)
{
	gchar* filepath;
	
	filepath = mu_msg_part_filepath_cache (msg, partnum);
	if (filepath) {
		mu_msg_part_save (msg, filepath, partnum, FALSE, TRUE);
		mu_util_play (filepath, TRUE, FALSE);
		g_free (filepath);
	}
}


static GtkWidget*
get_header_widget (MuMsgView *self)
{
	return self->_priv->_headers = mu_msg_header_view_new ();
}

static void
on_body_action_requested (MuMsgBodyView *body, const char* action,
			  MuMsgView *self)
{
	g_printerr ("received request: %s\n", action);
}


static GtkWidget*
get_body_widget (MuMsgView *self)
{
	GtkWidget *scrolledwin;
	
	self->_priv->_body = mu_msg_body_view_new ();
	scrolledwin = gtk_scrolled_window_new (NULL, NULL);
	gtk_container_add (GTK_CONTAINER(scrolledwin),
			   self->_priv->_body);

	g_signal_connect (self->_priv->_body, "action-requested",
			  G_CALLBACK(on_body_action_requested), self);
	
	return scrolledwin;
}

static GtkWidget*
get_attach_widget (MuMsgView *self)
{
	/* GtkWidget *scrolledwin; */
	
	self->_priv->_attacharea = gtk_frame_new ("");
	/* scrolledwin = gtk_scrolled_window_new (NULL, NULL); */
	/* gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW(scrolledwin), */
	/* 				GTK_POLICY_NEVER, */
	/* 				GTK_POLICY_AUTOMATIC); */
	
	self->_priv->_attach = mu_msg_attach_view_new ();
	gtk_container_add (GTK_CONTAINER(self->_priv->_attacharea),
			   self->_priv->_attach);	
	
	g_signal_connect (self->_priv->_attach, "attach-activated",
			  G_CALLBACK(on_attach_activated),
			  self);

	return self->_priv->_attacharea;
}

static void
mu_msg_view_init (MuMsgView *self)
{
	self->_priv = MU_MSG_VIEW_GET_PRIVATE(self);
		
	gtk_box_pack_start (GTK_BOX(self), get_header_widget (self),
			    FALSE, FALSE, 2);
	
	gtk_box_pack_start (GTK_BOX(self), get_attach_widget (self),
			    FALSE, FALSE, 2);
	
	gtk_box_pack_start (GTK_BOX(self), get_body_widget (self),
			    TRUE, TRUE, 2);
}

static void
mu_msg_view_finalize (GObject *obj)
{
/* 	free/unref instance resources here */
	G_OBJECT_CLASS(parent_class)->finalize (obj);
}

GtkWidget*
mu_msg_view_new (void)
{
	return GTK_WIDGET(g_object_new(MU_TYPE_MSG_VIEW, NULL));
}


static void
update_attachment_area (MuMsgView *self, MuMsg *msg)
{
	gint attach_num;
		
	attach_num = 0;
	if (msg)
		attach_num = mu_msg_attach_view_set_message
			(MU_MSG_ATTACH_VIEW(self->_priv->_attach), msg);

	if (attach_num > 0)
		gtk_widget_show_all (self->_priv->_attacharea);
	else
		gtk_widget_hide_all (self->_priv->_attacharea);
}


void
mu_msg_view_set_message (MuMsgView *self, MuMsg *msg)
{	
	g_return_if_fail (MU_IS_MSG_VIEW(self));

	mu_msg_header_view_set_message (MU_MSG_HEADER_VIEW(self->_priv->_headers),
					msg);
	mu_msg_body_view_set_message (MU_MSG_BODY_VIEW(self->_priv->_body),
				      msg);
	
	update_attachment_area (self, msg);
}



void
mu_msg_view_set_note (MuMsgView *self, const char *html)
{
	g_return_if_fail (MU_IS_MSG_VIEW(self));
	
	mu_msg_header_view_set_message (MU_MSG_HEADER_VIEW(self->_priv->_headers),
					NULL);
	mu_msg_body_view_set_note (MU_MSG_BODY_VIEW(self->_priv->_body),
				   html);
}