/*

 * e-mail-config-yahoo-summary.c

 *

 * This program is free software; you can redistribute it and/or modify it

 * under the terms of the GNU Lesser General Public License as published by

 * the Free Software Foundation.

 *

 * 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 Lesser General Public License

 * along with this program; if not, see <http://www.gnu.org/licenses/>.

 *

 */

#include "evolution-config.h"

#include <glib/gi18n-lib.h>

#include <mail/e-mail-config-summary-page.h>

#include "e-mail-config-yahoo-summary.h"

#define E_MAIL_CONFIG_YAHOO_SUMMARY_GET_PRIVATE(obj) \

	(G_TYPE_INSTANCE_GET_PRIVATE \

	((obj), E_TYPE_MAIL_CONFIG_YAHOO_SUMMARY, EMailConfigYahooSummaryPrivate))

struct _EMailConfigYahooSummaryPrivate {

	ESource *collection_source;

	/* Widgets (not referenced) */

	GtkWidget *calendar_toggle;

	gboolean applicable;

};

enum {

	PROP_0,

	PROP_APPLICABLE

};

G_DEFINE_DYNAMIC_TYPE (

	EMailConfigYahooSummary,

	e_mail_config_yahoo_summary,

	E_TYPE_EXTENSION)

static EMailConfigSummaryPage *

mail_config_yahoo_summary_get_summary_page (EMailConfigYahooSummary *extension)

{

	EExtensible *extensible;

	extensible = e_extension_get_extensible (E_EXTENSION (extension));

	return E_MAIL_CONFIG_SUMMARY_PAGE (extensible);

}

static gboolean

mail_config_yahoo_summary_is_applicable (EMailConfigSummaryPage *page)

{

	ESource *source;

	const gchar *extension_name;

	const gchar *host = NULL;

	/* FIXME We should tie this into EMailAutoconfig to avoid

	 *       hard-coding Yahoo domain names.  Maybe retain the

	 *       <emailProvider id="..."> it matched so we can just

	 *       check for, in this case, "yahoo.com".

	 *

	 *       Source:

	 *       http://api.gnome.org/evolution/autoconfig/1.1/yahoo.com

	 */

	source = e_mail_config_summary_page_get_account_source (page);

	extension_name = E_SOURCE_EXTENSION_AUTHENTICATION;

	if (e_source_has_extension (source, extension_name)) {

		ESourceAuthentication *extension;

		extension = e_source_get_extension (source, extension_name);

		host = e_source_authentication_get_host (extension);

	}

	if (host == NULL)

		return FALSE;

	if (e_util_utf8_strstrcase (host, "yahoo.com") != NULL)

		return TRUE;

	if (e_util_utf8_strstrcase (host, "ymail.com") != NULL)

		return TRUE;

	if (e_util_utf8_strstrcase (host, "rocketmail.com") != NULL)

		return TRUE;

	return FALSE;

}

static void

mail_config_yahoo_summary_refresh_cb (EMailConfigSummaryPage *page,

                                      EMailConfigYahooSummary *extension)

{

	extension->priv->applicable =

		mail_config_yahoo_summary_is_applicable (page);

	g_object_notify (G_OBJECT (extension), "applicable");

}

static void

mail_config_yahoo_summary_commit_changes_cb (EMailConfigSummaryPage *page,

                                             GQueue *source_queue,

                                             EMailConfigYahooSummary *extension)

{

	ESource *source;

	ESourceCollection *collection_extension;

	ESourceMailIdentity *identity_extension;

	ESourceAuthentication *auth_extension;

	GtkToggleButton *toggle_button;

	GList *head, *link;

	const gchar *address;

	const gchar *parent_uid;

	const gchar *display_name;

	const gchar *extension_name;

	gboolean calendar_active;

	/* If this is not a Yahoo! account, do nothing (obviously). */

	if (!e_mail_config_yahoo_summary_get_applicable (extension))

		return;

	toggle_button = GTK_TOGGLE_BUTTON (extension->priv->calendar_toggle);

	calendar_active = gtk_toggle_button_get_active (toggle_button);

	/* If the user declined to add a Calendar, do nothing. */

	if (!calendar_active)

		return;

	source = e_mail_config_summary_page_get_identity_source (page);

	display_name = e_source_get_display_name (source);

	/* The collection identity is the user's email address. */

	extension_name = E_SOURCE_EXTENSION_MAIL_IDENTITY;

	identity_extension = e_source_get_extension (source, extension_name);

	address = e_source_mail_identity_get_address (identity_extension);

	source = extension->priv->collection_source;

	e_source_set_display_name (source, display_name);

	extension_name = E_SOURCE_EXTENSION_COLLECTION;

	collection_extension = e_source_get_extension (source, extension_name);

	e_source_collection_set_identity (collection_extension, address);

	/* Always create the Authentication extension, thus the collection source

	   can be used for the credentials prompt. */

	auth_extension = e_source_get_extension (source, E_SOURCE_EXTENSION_AUTHENTICATION);

	e_source_authentication_set_host (auth_extension, "");

	/* All queued sources become children of the collection source. */

	parent_uid = e_source_get_uid (source);

	head = g_queue_peek_head_link (source_queue);

	for (link = head; link != NULL; link = g_list_next (link))

		e_source_set_parent (E_SOURCE (link->data), parent_uid);

	/* Push this AFTER iterating over the source queue. */

	g_queue_push_head (source_queue, g_object_ref (source));

	/* The "yahoo-backend" module in E-D-S will handle the rest. */

}

static void

mail_config_yahoo_summary_get_property (GObject *object,

                                        guint property_id,

                                        GValue *value,

                                        GParamSpec *pspec)

{

	switch (property_id) {

		case PROP_APPLICABLE:

			g_value_set_boolean (

				value,

				e_mail_config_yahoo_summary_get_applicable (

				E_MAIL_CONFIG_YAHOO_SUMMARY (object)));

			return;

	}

	G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);

}

static void

mail_config_yahoo_summary_dispose (GObject *object)

{

	EMailConfigYahooSummaryPrivate *priv;

	priv = E_MAIL_CONFIG_YAHOO_SUMMARY_GET_PRIVATE (object);

	if (priv->collection_source != NULL) {

		g_object_unref (priv->collection_source);

		priv->collection_source = NULL;

	}

	/* Chain up to parent's dispose() method. */

	G_OBJECT_CLASS (e_mail_config_yahoo_summary_parent_class)->

		dispose (object);

}

static void

mail_config_yahoo_summary_constructed (GObject *object)

{

	EMailConfigYahooSummary *extension;

	EMailConfigSummaryPage *page;

	ESourceCollection *collection_extension;

	ESource *source;

	GtkWidget *container;

	GtkWidget *widget;

	GtkBox *main_box;

	const gchar *extension_name;

	const gchar *text;

	gchar *markup;

	extension = E_MAIL_CONFIG_YAHOO_SUMMARY (object);

	/* Chain up to parent's constructed() method. */

	G_OBJECT_CLASS (e_mail_config_yahoo_summary_parent_class)->constructed (object);

	page = mail_config_yahoo_summary_get_summary_page (extension);

	main_box = e_mail_config_summary_page_get_internal_box (page);

	/* Use g_signal_connect_after() so the EMailConfigSummaryPage

	 * class methods run first.  They make changes to the sources

	 * that we either want to utilize or override. */

	g_signal_connect_after (

		page, "refresh",

		G_CALLBACK (mail_config_yahoo_summary_refresh_cb),

		extension);

	g_signal_connect_after (

		page, "commit-changes",

		G_CALLBACK (mail_config_yahoo_summary_commit_changes_cb),

		extension);

	widget = gtk_grid_new ();

	gtk_grid_set_row_spacing (GTK_GRID (widget), 6);

	gtk_grid_set_column_spacing (GTK_GRID (widget), 6);

	gtk_box_pack_start (main_box, widget, FALSE, FALSE, 0);

	e_binding_bind_property (

		extension, "applicable",

		widget, "visible",

		G_BINDING_SYNC_CREATE);

	container = widget;

	text = _("Yahoo! Features");

	markup = g_markup_printf_escaped ("%s", text);

	widget = gtk_label_new (markup);

	gtk_label_set_use_markup (GTK_LABEL (widget), TRUE);

	gtk_misc_set_alignment (GTK_MISC (widget), 0.0, 0.5);

	gtk_grid_attach (GTK_GRID (container), widget, 0, 0, 2, 1);

	gtk_widget_show (widget);

	g_free (markup);

	text = _("Add Yahoo! Ca_lendar and Tasks to this account");

	widget = gtk_check_button_new_with_mnemonic (text);

	gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (widget), TRUE);

	gtk_widget_set_margin_left (widget, 12);

	gtk_grid_attach (GTK_GRID (container), widget, 0, 1, 2, 1);

	extension->priv->calendar_toggle = widget;  /* not referenced */

	gtk_widget_show (widget);

	source = extension->priv->collection_source;

	extension_name = E_SOURCE_EXTENSION_COLLECTION;

	collection_extension = e_source_get_extension (source, extension_name);

	/* Can't bind the collection's display name here because

	 * the Summary Page has no sources yet.  Set the display

	 * name while committing instead. */

	e_binding_bind_property (

		extension->priv->calendar_toggle, "active",

		collection_extension, "calendar-enabled",

		G_BINDING_SYNC_CREATE);

}

static void

e_mail_config_yahoo_summary_class_init (EMailConfigYahooSummaryClass *class)

{

	GObjectClass *object_class;

	EExtensionClass *extension_class;

	g_type_class_add_private (

		class, sizeof (EMailConfigYahooSummaryPrivate));

	object_class = G_OBJECT_CLASS (class);

	object_class->get_property = mail_config_yahoo_summary_get_property;

	object_class->dispose = mail_config_yahoo_summary_dispose;

	object_class->constructed = mail_config_yahoo_summary_constructed;

	extension_class = E_EXTENSION_CLASS (class);

	extension_class->extensible_type = E_TYPE_MAIL_CONFIG_SUMMARY_PAGE;

	g_object_class_install_property (

		object_class,

		PROP_APPLICABLE,

		g_param_spec_boolean (

			"applicable",

			"Applicable",

			"Whether this extension is applicable "

			"to the current mail account settings",

			FALSE,

			G_PARAM_READABLE));

}

static void

e_mail_config_yahoo_summary_class_finalize (EMailConfigYahooSummaryClass *class)

{

}

static void

e_mail_config_yahoo_summary_init (EMailConfigYahooSummary *extension)

{

	ESource *source;

	ESourceBackend *backend_extension;

	const gchar *extension_name;

	extension->priv = E_MAIL_CONFIG_YAHOO_SUMMARY_GET_PRIVATE (extension);

	source = e_source_new (NULL, NULL, NULL);

	extension_name = E_SOURCE_EXTENSION_COLLECTION;

	backend_extension = e_source_get_extension (source, extension_name);

	e_source_backend_set_backend_name (backend_extension, "yahoo");

	extension->priv->collection_source = source;

	/* XXX No CardDAV support yet, sadly. */

	e_source_collection_set_contacts_enabled (

		E_SOURCE_COLLECTION (backend_extension), FALSE);

}

void

e_mail_config_yahoo_summary_type_register (GTypeModule *type_module)

{

	/* XXX G_DEFINE_DYNAMIC_TYPE declares a static type registration

	 *     function, so we have to wrap it with a public function in

	 *     order to register types from a separate compilation unit. */

	e_mail_config_yahoo_summary_register_type (type_module);

}

gboolean

e_mail_config_yahoo_summary_get_applicable (EMailConfigYahooSummary *extension)

{

	g_return_val_if_fail (

		E_IS_MAIL_CONFIG_YAHOO_SUMMARY (extension), FALSE);

	return extension->priv->applicable;

}