/*
 * Copyright 2014 (c) Anna Schumaker.
 */
#include <core/core.h>
#include <gui/audio.h>
#include <gui/builder.h>
#include <gui/filter.h>
#include <gui/idle.h>
#include <gui/model.h>
#include <gui/playlist.h>
#include <gui/sidebar.h>
#include <gui/treeview.h>
#include <gui/window.h>

#define OCARINA_FLAGS (G_APPLICATION_HANDLES_COMMAND_LINE)

static const GOptionEntry ocarina_options[] = {
	{ "next",     'n', 0, G_OPTION_ARG_NONE, NULL, "Play next track",            NULL },
	{ "pause",    'P', 0, G_OPTION_ARG_NONE, NULL, "Pause playback",             NULL },
	{ "play",     'p', 0, G_OPTION_ARG_NONE, NULL, "Start playback",             NULL },
	{ "previous", 'N', 0, G_OPTION_ARG_NONE, NULL, "Play previous track",        NULL },
	{ "sync",     's', 0, G_OPTION_ARG_NONE, NULL, "Don't run background tasks", NULL },
	{ "toggle",   't', 0, G_OPTION_ARG_NONE, NULL, "Toggle playback state",      NULL },
	{ "version",  'v', 0, G_OPTION_ARG_NONE, NULL, "Print version and exit",     NULL },
	{ NULL },
};

#ifndef CONFIG_DEBUG
const static gchar *OCARINA_APP = "org.gtk.ocarina";
#else
const static gchar *OCARINA_APP = "org.gtk.ocarina-debug";
#endif

static enum idle_sync_t idle_sync = IDLE_ASYNC;
static int startup_argc;
static char **startup_argv;

static gchar *find_file_path(const gchar *file)
{
	gchar *path = g_strjoin("/", "share", "ocarina", file, NULL);

	if (g_file_test(path, G_FILE_TEST_IS_REGULAR))
		return path;
	g_free(path);

	return g_strjoin("/", "/usr", "share", "ocarina", file, NULL);
}

static void __ocarina_activate(GApplication *application, gpointer data)
{
	gtk_application_add_window(GTK_APPLICATION(application), gui_window());
}

static int __ocarina_local_options(GApplication *application,
				   GVariantDict *options, gpointer data)
{
	if (g_variant_dict_contains(options, "sync"))
		idle_sync = IDLE_SYNC;
	if (!g_variant_dict_contains(options, "version"))
		return -1;
	g_printf("Ocarina %s\n", get_version());
	g_printf("GTK+ %u.%u.%u\n", GTK_MAJOR_VERSION, GTK_MINOR_VERSION, GTK_MICRO_VERSION);
	g_printf("%s\n", gst_version_string());
	g_printf("%s, %s\n", __DATE__, __TIME__);
	return 0;
}

static int __ocarina_command_line(GApplication            *application,
				  GApplicationCommandLine *command,
				  gpointer                 data)
{
	GVariantDict *options;
	gchar **args;

	g_application_activate(application);

	args = g_application_command_line_get_arguments(command, NULL);
	if (args && args[1]) {
		audio_load_filepath(args[1]);
		g_strfreev(args);
	}

	options = g_application_command_line_get_options_dict(command);
	if (g_variant_dict_contains(options, "next"))
		audio_next();
	else if (g_variant_dict_contains(options, "pause"))
		audio_pause();
	else if (g_variant_dict_contains(options, "play"))
		audio_play();
	else if (g_variant_dict_contains(options, "previous"))
		audio_prev();
	else if (g_variant_dict_contains(options, "toggle")) {
		if (audio_cur_state() == GST_STATE_PLAYING)
			audio_pause();
		else
			audio_play();
	}
	return 0;
}

static void __ocarina_startup(GApplication *application, gpointer data)
{
	gchar *ui   = find_file_path("ocarina.ui");
	gchar *icon = find_file_path("ocarina.png");

	gui_builder_init(ui);
	core_init(&startup_argc, &startup_argv, &playlist_cb, &audio_cb, idle_sync);
	gui_window_init(icon);
	gui_model_init();
	gui_filter_init();
	gui_treeview_init();
	gui_sidebar_init();
	gui_playlist_init();
	gui_audio_init();

	gui_idle_enable();

	g_free(ui);
	g_free(icon);
}

static void __ocarina_shutdown(GApplication *application, gpointer data)
{
	gui_idle_disable();
	gui_audio_deinit();
	core_deinit();

	gui_treeview_deinit();
	gui_filter_deinit();
	gui_model_deinit();
	gui_window_deinit();
	gui_builder_deinit();
}

int main(int argc, char **argv)
{
	GtkApplication *ocarina = gtk_application_new(OCARINA_APP, OCARINA_FLAGS);
	startup_argc = argc;
	startup_argv = argv;

	g_application_add_main_option_entries(G_APPLICATION(ocarina), ocarina_options);
	g_application_add_option_group(G_APPLICATION(ocarina), gst_init_get_option_group());

	g_signal_connect(G_APPLICATION(ocarina), "activate",     (GCallback)__ocarina_activate,      NULL);
	g_signal_connect(G_APPLICATION(ocarina), "handle-local-options",
								 (GCallback)__ocarina_local_options, NULL);
	g_signal_connect(G_APPLICATION(ocarina), "command-line", (GCallback)__ocarina_command_line,  NULL);
	g_signal_connect(G_APPLICATION(ocarina), "startup",      (GCallback)__ocarina_startup,       NULL);
	g_signal_connect(G_APPLICATION(ocarina), "shutdown",     (GCallback)__ocarina_shutdown,      NULL);
	return g_application_run(G_APPLICATION(ocarina), argc, argv);
}