/*
 * menu_settings.c - Common SDL settings related functions.
 *
 * Written by
 *  Marco van den Heuvel <blackystardust68@yahoo.com>
 *
 * This file is part of VICE, the Versatile Commodore Emulator.
 * See README for copyright notice.
 *
 *  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., 59 Temple Place, Suite 330, Boston, MA
 *  02111-1307  USA.
 *
 */

#include "vice.h"
#include "types.h"

#include "vice_sdl.h"
#include <stdlib.h>

#include "joy.h"
#include "kbd.h"
#include "keyboard.h"
#include "lib.h"
#include "machine.h"
#include "menu_common.h"
#include "menu_settings.h"
#include "resources.h"
#include "ui.h"
#include "uifilereq.h"
#include "uimenu.h"
#include "uipoll.h"

static UI_MENU_CALLBACK(save_settings_callback)
{
    if (activated) {
        if (resources_save(NULL) < 0) {
            ui_error("Cannot save current settings.");
        } else {
            ui_message("Settings saved.");
        }

        /* TODO:
           to be uncommented after the fliplist menus have been made
        uifliplist_save_settings(); */

    }
    return NULL;
}

static UI_MENU_CALLBACK(save_settings_to_callback)
{
    if (activated) {
        char *name = NULL;

        name = sdl_ui_file_selection_dialog("Choose settings file", FILEREQ_MODE_SAVE_FILE);

        if (name != NULL) {
            if (resources_save(name) < 0) {
                ui_error("Cannot save current settings.");
            } else {
                ui_message("Settings saved.");
            }
            lib_free(name);
        }
    }
    return NULL;
}

static UI_MENU_CALLBACK(load_settings_callback)
{
    if (activated) {
        if (resources_load(NULL) < 0) {
            ui_error("Cannot load settings.");
        } else {
            ui_message("Settings loaded.");
        }
    }
    return NULL;
}

static UI_MENU_CALLBACK(load_settings_from_callback)
{
    if (activated) {
        char *name = NULL;

        name = sdl_ui_file_selection_dialog("Choose settings file", FILEREQ_MODE_CHOOSE_FILE);

        if (name != NULL) {
            if (resources_load(name) < 0) {
                ui_error("Cannot load settings.");
            } else {
                ui_message("Settings loaded.");
            }
            lib_free(name);
        }
    }
    return NULL;
}

static UI_MENU_CALLBACK(default_settings_callback)
{
    if (activated) {
        resources_set_defaults();
        ui_message("Default settings restored.");
    }
    return NULL;
}

static UI_MENU_CALLBACK(save_keymap_callback)
{
    if (activated) {
        char *name = NULL;

        name = sdl_ui_file_selection_dialog("Choose file for keymap", FILEREQ_MODE_SAVE_FILE);

        if (name != NULL) {
            if (keyboard_keymap_dump(name) < 0) {
                ui_error("Cannot save keymap.");
            }
            lib_free(name);
        }
    }
    return NULL;
}

static UI_MENU_CALLBACK(load_keymap_callback)
{
    if (activated) {
        int keymap;
        char *name = NULL;
        const char *resname;

        resources_get_int("KeymapIndex", &keymap);
        resname = machine_keymap_res_name_list[keymap];

#ifdef SDL_DEBUG
fprintf(stderr,"%s: map %i, \"%s\"\n",__func__,keymap,resname);
#endif

        name = sdl_ui_file_selection_dialog("Choose keymap file", FILEREQ_MODE_CHOOSE_FILE);

        if (name != NULL) {
            if (resources_set_string(resname, name)) {
                ui_error("Cannot load keymap.");
            }
            lib_free(name);
        }
    }
    return NULL;
}

static UI_MENU_CALLBACK(save_hotkeys_callback)
{
    const char *file = NULL;
    if (activated) {
        if (resources_get_string("HotkeyFile", &file)) {
            ui_error("Cannot find resource.");
            return NULL;
        }

        if (sdlkbd_hotkeys_dump(file)) {
            ui_error("Cannot save hotkeys.");
        } else {
            ui_message("Hotkeys saved.");
        }
    }
    return NULL;
}

static UI_MENU_CALLBACK(load_hotkeys_callback)
{
    const char *file = NULL;
    if (activated) {
        if (resources_get_string("HotkeyFile", &file)) {
            ui_error("Cannot find resource.");
            return NULL;
        }

        if (sdlkbd_hotkeys_load(file)) {
            ui_error("Cannot load hotkeys.");
        } else {
            ui_message("Hotkeys loaded.");
        }
    }
    return NULL;
}

#ifdef HAVE_SDL_NUMJOYSTICKS
static UI_MENU_CALLBACK(save_joymap_callback)
{
    const char *file = NULL;
    if (activated) {
        if (resources_get_string("JoyMapFile", &file)) {
            ui_error("Cannot find resource.");
            return NULL;
        }

        if (joy_arch_mapping_dump(file)) {
            ui_error("Cannot save joymap.");
        } else {
            ui_message("Joymap saved.");
        }
    }
    return NULL;
}

static UI_MENU_CALLBACK(load_joymap_callback)
{
    const char *file = NULL;
    if (activated) {
        if (resources_get_string("JoyMapFile", &file)) {
            ui_error("Cannot find resource.");
            return NULL;
        }

        if (joy_arch_mapping_load(file)) {
            ui_error("Cannot load joymap.");
        } else {
            ui_message("Joymap loaded.");
        }
    }
    return NULL;
}
#endif

UI_MENU_DEFINE_TOGGLE(SaveResourcesOnExit)
UI_MENU_DEFINE_TOGGLE(ConfirmOnExit)

static UI_MENU_CALLBACK(custom_ui_keyset_callback)
{
    SDL_Event e;
    int previous;

    if (resources_get_int((const char *)param, &previous)) {
        return sdl_menu_text_unknown;
    }

    if (activated) {
        e = sdl_ui_poll_event("key", (const char *)param, SDL_POLL_KEYBOARD | SDL_POLL_MODIFIER, 5);

        if (e.type == SDL_KEYDOWN) {
            resources_set_int((const char *)param, (int)e.key.keysym.sym);
        }
    } else {
        return SDL_GetKeyName(previous);
    }
    return NULL;
}

static const ui_menu_entry_t define_ui_keyset_menu[] = {
    { "Activate menu",
      MENU_ENTRY_DIALOG,
      custom_ui_keyset_callback,
      (ui_callback_data_t)"MenuKey" },
    { "Menu up",
      MENU_ENTRY_DIALOG,
      custom_ui_keyset_callback,
      (ui_callback_data_t)"MenuKeyUp" },
    { "Menu down",
      MENU_ENTRY_DIALOG,
      custom_ui_keyset_callback,
      (ui_callback_data_t)"MenuKeyDown" },
    { "Menu left",
      MENU_ENTRY_DIALOG,
      custom_ui_keyset_callback,
      (ui_callback_data_t)"MenuKeyLeft" },
    { "Menu right",
      MENU_ENTRY_DIALOG,
      custom_ui_keyset_callback,
      (ui_callback_data_t)"MenuKeyRight" },
    { "Menu select",
      MENU_ENTRY_DIALOG,
      custom_ui_keyset_callback,
      (ui_callback_data_t)"MenuKeySelect" },
    { "Menu cancel",
      MENU_ENTRY_DIALOG,
      custom_ui_keyset_callback,
      (ui_callback_data_t)"MenuKeyCancel" },
    { "Menu exit",
      MENU_ENTRY_DIALOG,
      custom_ui_keyset_callback,
      (ui_callback_data_t)"MenuKeyExit" },
    { "Menu map",
      MENU_ENTRY_DIALOG,
      custom_ui_keyset_callback,
      (ui_callback_data_t)"MenuKeyMap" },
    SDL_MENU_LIST_END
};

const ui_menu_entry_t settings_manager_menu[] = {
    { "Save current settings",
      MENU_ENTRY_OTHER,
      save_settings_callback,
      NULL },
    { "Load settings",
      MENU_ENTRY_OTHER,
      load_settings_callback,
      NULL },
    { "Save current settings to",
      MENU_ENTRY_OTHER,
      save_settings_to_callback,
      NULL },
    { "Load settings from",
      MENU_ENTRY_OTHER,
      load_settings_from_callback,
      NULL },
    { "Restore default settings",
      MENU_ENTRY_OTHER,
      default_settings_callback,
      NULL },
    { "Save settings on exit",
      MENU_ENTRY_RESOURCE_TOGGLE,
      toggle_SaveResourcesOnExit_callback,
      NULL },
    SDL_MENU_ITEM_SEPARATOR,
    { "Confirm on exit",
      MENU_ENTRY_RESOURCE_TOGGLE,
      toggle_ConfirmOnExit_callback,
      NULL },
    SDL_MENU_ITEM_SEPARATOR,
    { "Save keymap",
      MENU_ENTRY_OTHER,
      save_keymap_callback,
      NULL },
    { "Load keymap",
      MENU_ENTRY_OTHER,
      load_keymap_callback,
      NULL },
    { "Save hotkeys",
      MENU_ENTRY_OTHER,
      save_hotkeys_callback,
      NULL },
    { "Load hotkeys",
      MENU_ENTRY_OTHER,
      load_hotkeys_callback,
      NULL },
#ifdef HAVE_SDL_NUMJOYSTICKS
    SDL_MENU_ITEM_SEPARATOR,
    { "Save joystick map",
      MENU_ENTRY_OTHER,
      save_joymap_callback,
      NULL },
    { "Load joystick map",
      MENU_ENTRY_OTHER,
      load_joymap_callback,
      NULL },
#endif
    SDL_MENU_ITEM_SEPARATOR,
    { "Define UI keys",
      MENU_ENTRY_SUBMENU,
      submenu_callback,
      (ui_callback_data_t)define_ui_keyset_menu },
    SDL_MENU_LIST_END
};
