/*
 * Tab page
 *
 * Copyright (C) 2017  Patrick McDermott
 *
 * This file is part of Marquee.
 *
 * Marquee 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 of the License, or
 * (at your option) any later version.
 *
 * Marquee 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 Marquee.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "tab-page.h"

#include <stdarg.h>
#include <stdlib.h>

#include <glib.h>
#include <gtk/gtk.h>
#include <webkit2/webkit2.h>

#include "application.h"
#include "notebook.h"
#include "tab-label.h"
#include "toolbars/find-toolbar.h"
#include "toolbars/navigation-toolbar.h"
#include "web-view.h"
#include "window.h"

struct _MqTabPage {
	GtkBox         parent_instance;
	MqWindow      *window;
	gchar         *uri;
	guint          position;
	MqApplication *application;
	GtkWidget     *container;
	GtkWidget     *label;
	const gchar   *title;
	WebKitWebView *web_view;
};

enum {
	PROP_WINDOW = 1,
	PROP_URI,
	N_PROPERTIES
};

static GParamSpec *obj_properties[N_PROPERTIES] = {NULL,};

struct _MqTabPageClass {
	GtkBoxClass parent_class;
};

G_DEFINE_TYPE(MqTabPage, mq_tab_page, GTK_TYPE_BOX)

static void
title_cb(WebKitWebView *web_view, GParamSpec G_GNUC_UNUSED *param_spec,
	MqTabPage *tab_page)
{
	tab_page->title = webkit_web_view_get_title(web_view);
	mq_notebook_update_tab_title(
		MQ_NOTEBOOK(gtk_widget_get_parent(GTK_WIDGET(tab_page))),
		tab_page,
		tab_page->title);
}

static void
init_non_root(MqTabPage *tab_page)
{
	GtkWidget *navigation_toolbar;
	GtkWidget *find_toolbar;

	tab_page->application = mq_window_get_application(tab_page->window);

	tab_page->web_view = WEBKIT_WEB_VIEW(mq_web_view_new(tab_page,
			tab_page->uri));
	g_signal_connect(tab_page->web_view, "notify::title",
		G_CALLBACK(title_cb), tab_page);

	tab_page->label = mq_tab_label_new(tab_page,
		MQ_WEB_VIEW(tab_page->web_view));

	find_toolbar = mq_find_toolbar_new(MQ_WEB_VIEW(tab_page->web_view));

	navigation_toolbar = mq_navigation_toolbar_new(
		mq_application_get_config(
			mq_window_get_application(tab_page->window)),
		tab_page, MQ_FIND_TOOLBAR(find_toolbar),
		MQ_WEB_VIEW(tab_page->web_view), tab_page->uri);

	gtk_box_pack_start(GTK_BOX(tab_page),
		navigation_toolbar, FALSE, FALSE, 0);
	gtk_box_pack_start(GTK_BOX(tab_page),
		find_toolbar, FALSE, FALSE, 0);
	gtk_box_pack_start(GTK_BOX(tab_page),
		GTK_WIDGET(tab_page->web_view), TRUE, TRUE, 0);
}

static void
constructed(GObject *object)
{
	MqTabPage *tab_page;

	if (G_OBJECT_CLASS(mq_tab_page_parent_class)->constructed) {
		G_OBJECT_CLASS(mq_tab_page_parent_class)->constructed(object);
	}

	tab_page = MQ_TAB_PAGE(object);

	init_non_root(tab_page);
}

static void
finalize(GObject *object)
{
	MqTabPage *tab_page;

	tab_page = MQ_TAB_PAGE(object);

	g_free(tab_page->uri);

	G_OBJECT_CLASS(mq_tab_page_parent_class)->finalize(object);
}

static void
get_property(GObject *object, guint property_id, GValue *value,
	GParamSpec *param_spec)
{
	MqTabPage *tab_page;

	tab_page = MQ_TAB_PAGE(object);

	switch (property_id) {
		case PROP_WINDOW:
			g_value_set_object(value, tab_page->window);
			break;
		case PROP_URI:
			g_value_set_string(value, tab_page->uri);
			break;
		default:
			G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id,
				param_spec);
			break;
	}
}

static void
set_property(GObject *object, guint property_id, const GValue *value,
	GParamSpec *param_spec)
{
	MqTabPage *tab_page;

	tab_page = MQ_TAB_PAGE(object);

	switch (property_id) {
		case PROP_WINDOW:
			tab_page->window = g_value_get_object(value);
			break;
		case PROP_URI:
			g_free(tab_page->uri);
			tab_page->uri = g_strdup(g_value_get_string(value));
			break;
		default:
			G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id,
				param_spec);
			break;
	}
}

static void
mq_tab_page_class_init(MqTabPageClass *klass)
{
	GObjectClass *object_class = G_OBJECT_CLASS(klass);

	object_class->constructed  = constructed;
	object_class->finalize     = finalize;
	object_class->get_property = get_property;
	object_class->set_property = set_property;

	obj_properties[PROP_WINDOW] = g_param_spec_object(
		"window",
		"MqWindow",
		"The parent MqWindow instance",
		MQ_TYPE_WINDOW,
		G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY |
		G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB);
	obj_properties[PROP_URI] = g_param_spec_string(
		"uri",
		"URI",
		"The URI to load",
		"",
		G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY |
		G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB);
	g_object_class_install_properties(object_class, N_PROPERTIES,
		obj_properties);
}

static void
mq_tab_page_init(MqTabPage *tab_page)
{
	tab_page->title = "New tab";
}

MqTabPage *
mq_tab_page_new(MqWindow *window, const gchar *uri)
{
	return g_object_new(MQ_TYPE_TAB_PAGE,
		"orientation", GTK_ORIENTATION_VERTICAL,
		"spacing", 0,
		"window", window,
		"uri", uri,
		NULL);
}

void
mq_tab_page_close(MqTabPage *tab_page)
{
	mq_notebook_remove_page(
		MQ_NOTEBOOK(gtk_widget_get_parent(GTK_WIDGET(tab_page))),
		tab_page);
}

void
mq_tab_page_quit(MqTabPage *tab_page)
{
	mq_window_quit(tab_page->window);
}

MqApplication *
mq_tab_page_get_application(MqTabPage *tab_page)
{
	return tab_page->application;
}

MqWindow *
mq_tab_page_get_window(MqTabPage *tab_page)
{
	return tab_page->window;
}

MqTabLabel *
mq_tab_page_get_label(MqTabPage *tab_page)
{
	return MQ_TAB_LABEL(tab_page->label);
}

guint
mq_tab_page_get_position(MqTabPage *tab_page)
{
	return tab_page->position;
}

void
mq_tab_page_set_position(MqTabPage *tab_page, guint position)
{
	tab_page->position = position;
}

const gchar *
mq_tab_page_get_title(MqTabPage *tab_page)
{
	return tab_page->title;
}

static void
open_response_cb(GtkWidget *dialog, gint response_id, MqTabPage *tab_page)
{
	gchar *filename;
	gchar *uri;

	if (response_id == GTK_RESPONSE_ACCEPT) {
		filename = gtk_file_chooser_get_filename(
			GTK_FILE_CHOOSER(dialog));
		uri = g_strconcat("file://", filename, NULL);
		g_free(filename);
		mq_web_view_load_uri(MQ_WEB_VIEW(tab_page->web_view), uri);
		g_free(uri);
	}

	gtk_widget_destroy(dialog);
}

void
mq_tab_page_open(MqTabPage *tab_page)
{
	GtkWidget *dialog;

	dialog = gtk_file_chooser_dialog_new("Open File",
		GTK_WINDOW(tab_page->window),
		GTK_FILE_CHOOSER_ACTION_OPEN,
		"_Cancel", GTK_RESPONSE_CANCEL,
		"_Open",   GTK_RESPONSE_ACCEPT,
		NULL);
	g_signal_connect(dialog, "response",
		G_CALLBACK(open_response_cb), tab_page);
	gtk_widget_show_all(dialog);
}

static void
save_async_cb(WebKitWebView *web_view, GAsyncResult *result)
{
	webkit_web_view_save_to_file_finish(web_view, result, NULL);
}

static void
save_response_cb(GtkWidget *dialog, gint response_id, MqTabPage *tab_page)
{
	gchar *filename;
	GFile *file;

	if (response_id == GTK_RESPONSE_ACCEPT) {
		filename = gtk_file_chooser_get_filename(
			GTK_FILE_CHOOSER(dialog));
		file = g_file_new_for_path(filename);
		g_free(filename);
		/* TODO: HTML-only file format? */
		webkit_web_view_save_to_file(tab_page->web_view, file,
			WEBKIT_SAVE_MODE_MHTML, NULL,
			(GAsyncReadyCallback) save_async_cb, NULL);
	}

	gtk_widget_destroy(dialog);
}

void
mq_tab_page_save(MqTabPage *tab_page)
{
	GtkWidget      *dialog;
	GtkFileChooser *chooser;
	gchar          *filename;

	dialog = gtk_file_chooser_dialog_new("Save File",
		GTK_WINDOW(tab_page->window),
		GTK_FILE_CHOOSER_ACTION_SAVE,
		"_Cancel", GTK_RESPONSE_CANCEL,
		"_Save",   GTK_RESPONSE_ACCEPT,
		NULL);
	chooser = GTK_FILE_CHOOSER(dialog);
	gtk_file_chooser_set_do_overwrite_confirmation(chooser, TRUE);
	/* TODO: gtk_file_chooser_set_current_folder() */
	/* TODO: Clean up title for file name. */
	filename = g_strconcat(tab_page->title, ".mhtml", NULL);
	gtk_file_chooser_set_current_name(chooser, filename);
	g_free(filename);
	g_signal_connect(dialog, "response",
		G_CALLBACK(save_response_cb), tab_page);
	gtk_widget_show_all(dialog);
}

void
mq_tab_page_scroll_tab_labels(MqTabPage *node)
{
	mq_tab_label_scroll(MQ_TAB_LABEL(node->label));
}

void
mq_tab_page_begin_scrolling_tab_labels(MqTabPage *node)
{
	mq_tab_label_begin_scrolling(MQ_TAB_LABEL(node->label));
}

void
mq_tab_page_end_scrolling_tab_labels(MqTabPage *node)
{
	mq_tab_label_end_scrolling(MQ_TAB_LABEL(node->label));
}