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/*
 * transmission-remote-gtk - A GTK RPC client to Transmission
 * Copyright (C) 2011  Alan Fitton

 * 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 2 of the License, 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.
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <stdlib.h>

#include <curl/curl.h>
#include <curl/types.h>
#include <curl/easy.h>

#include <glib/gi18n.h>
#include <glib-object.h>
#include <gtk/gtk.h>
#include <json-glib/json-glib.h>
#include <unique/unique.h>

#include "http.h"
#include "trg-main-window.h"
#include "trg-client.h"

enum {
    COMMAND_0,
    COMMAND_ADD
};

static UniqueResponse
message_received_cb(UniqueApp * app G_GNUC_UNUSED,
                    gint command,
                    UniqueMessageData * message,
                    guint time_, gpointer user_data)
{
    TrgMainWindow *win;
    UniqueResponse res;
    gchar **uris;

    win = TRG_MAIN_WINDOW(user_data);

    switch (command) {
    case UNIQUE_ACTIVATE:
        gtk_window_set_screen(GTK_WINDOW(user_data),
                              unique_message_data_get_screen(message));
        gtk_window_present_with_time(GTK_WINDOW(user_data), time_);
        res = UNIQUE_RESPONSE_OK;
        break;
    case COMMAND_ADD:
        uris = unique_message_data_get_uris(message);
        res =
            trg_add_from_filename(win,
                                  uris) ? UNIQUE_RESPONSE_OK :
            UNIQUE_RESPONSE_FAIL;
        break;
    default:
        res = UNIQUE_RESPONSE_OK;
        break;
    }

    return res;
}

int main(int argc, char *argv[])
{
    int returnValue;
    UniqueApp *app = NULL;
    TrgMainWindow *window;
    trg_client *client;
    gboolean withUnique;

    g_type_init();
    g_thread_init(NULL);
    gdk_threads_init();
    gtk_init(&argc, &argv);

    setlocale(LC_ALL, "");
    bindtextdomain(GETTEXT_PACKAGE, TRGLOCALEDIR);
    bind_textdomain_codeset(GETTEXT_PACKAGE, "UTF-8");
    textdomain(GETTEXT_PACKAGE);

    if ((withUnique = g_getenv("TRG_NOUNIQUE") == NULL))
        app = unique_app_new_with_commands("org.eth0.uk.org.trg", NULL,
                                           "add", COMMAND_ADD, NULL);

    if (withUnique && unique_app_is_running(app)) {
        UniqueCommand command;
        UniqueResponse response;
        UniqueMessageData *message;

        if (argc > 1) {
            gchar **files = g_new0(gchar *, argc);
            int i;
            for (i = 1; i < argc; i++)
                files[i - 1] = argv[i];

            command = COMMAND_ADD;
            message = unique_message_data_new();
            unique_message_data_set_uris(message, files);
            g_free(files);
        } else {
            command = UNIQUE_ACTIVATE;
            message = NULL;
        }

        response = unique_app_send_message(app, command, message);
        unique_message_data_free(message);

        if (response == UNIQUE_RESPONSE_OK) {
            returnValue = 0;
        } else {
            returnValue = 1;
        }
    } else {
        client = trg_init_client();

        curl_global_init(CURL_GLOBAL_ALL);

        window = trg_main_window_new(client);

        if (withUnique) {
            unique_app_watch_window(app, GTK_WINDOW(window));
            g_signal_connect(app, "message-received",
                             G_CALLBACK(message_received_cb), window);
        }

        gtk_widget_show_all(GTK_WIDGET(window));

        auto_connect_if_required(window, client);
        gtk_main();

        curl_global_cleanup();
    }

    if (withUnique)
        g_object_unref(app);

    gdk_threads_leave();

    return EXIT_SUCCESS;
}