/***************************************************************************
 *             __________               __   ___.
 *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
 *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
 *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
 *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
 *                     \/            \/     \/    \/            \/
 * $Id$
 *
 * Copyright (C) 2011 Andrew Ryabinin
 *
 * 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
 * KIND, either express or implied.
 *
 ****************************************************************************/

/* Button Code Definitions for HiFiMAN HM-801 reference design target */

#include "config.h"
#include "action.h"
#include "button.h"
#include "settings.h"

/* 
 * The format of the list is as follows
 * { Action Code,   Button code,    Prereq button code } 
 * if there's no need to check the previous button's value, use BUTTON_NONE
 * Insert LAST_ITEM_IN_LIST at the end of each mapping 
 */
static const struct button_mapping button_context_standard[] = {
    { ACTION_STD_PREV,       BUTTON_UP,                    BUTTON_NONE },
    { ACTION_STD_PREVREPEAT, BUTTON_UP|BUTTON_REPEAT,      BUTTON_NONE },
    { ACTION_STD_NEXT,       BUTTON_DOWN,                  BUTTON_NONE },
    { ACTION_STD_NEXTREPEAT, BUTTON_DOWN|BUTTON_REPEAT,    BUTTON_NONE },

    { ACTION_STD_CONTEXT,    BUTTON_SELECT|BUTTON_REPEAT,  BUTTON_SELECT },
    { ACTION_STD_CANCEL,     BUTTON_LEFT,                  BUTTON_NONE },
    { ACTION_STD_OK,         BUTTON_SELECT|BUTTON_REL,     BUTTON_SELECT },
    { ACTION_STD_MENU,       BUTTON_POWER|BUTTON_REL,      BUTTON_POWER },
    { ACTION_STD_MENU,       BUTTON_RIGHT|BUTTON_REL,      BUTTON_RIGHT },

    LAST_ITEM_IN_LIST
}; /* button_context_standard */

static const struct button_mapping button_context_wps[] = {
    { ACTION_WPS_PLAY,      BUTTON_PLAY|BUTTON_REL,         BUTTON_PLAY },
    { ACTION_WPS_STOP,      BUTTON_PLAY|BUTTON_REPEAT,      BUTTON_PLAY },
    { ACTION_WPS_PLAY,      BUTTON_SELECT|BUTTON_REL,       BUTTON_SELECT },
    { ACTION_WPS_STOP,      BUTTON_SELECT|BUTTON_REPEAT,    BUTTON_SELECT },

    { ACTION_WPS_SKIPPREV,  BUTTON_PREV|BUTTON_REL,         BUTTON_PREV },
    { ACTION_WPS_SEEKBACK,  BUTTON_PREV|BUTTON_REPEAT,      BUTTON_NONE },
    { ACTION_WPS_STOPSEEK,  BUTTON_PREV|BUTTON_REL,         BUTTON_PREV|BUTTON_REPEAT },
    { ACTION_WPS_SKIPPREV,  BUTTON_LEFT|BUTTON_REL,         BUTTON_LEFT },
    { ACTION_WPS_SEEKBACK,  BUTTON_LEFT|BUTTON_REPEAT,      BUTTON_NONE },
    { ACTION_WPS_STOPSEEK,  BUTTON_LEFT|BUTTON_REL,         BUTTON_LEFT|BUTTON_REPEAT },

    { ACTION_WPS_SKIPNEXT,  BUTTON_NEXT|BUTTON_REL,         BUTTON_NEXT},
    { ACTION_WPS_SEEKFWD,   BUTTON_NEXT|BUTTON_REPEAT,      BUTTON_NONE },
    { ACTION_WPS_STOPSEEK,  BUTTON_NEXT|BUTTON_REL,         BUTTON_NEXT|BUTTON_REPEAT },
    { ACTION_WPS_SKIPNEXT,  BUTTON_RIGHT|BUTTON_REL,        BUTTON_RIGHT},
    { ACTION_WPS_SEEKFWD,   BUTTON_RIGHT|BUTTON_REPEAT,     BUTTON_NONE },
    { ACTION_WPS_STOPSEEK,  BUTTON_RIGHT|BUTTON_REL,        BUTTON_RIGHT|BUTTON_REPEAT },

    { ACTION_WPS_ABSETB_NEXTDIR,   BUTTON_POWER|BUTTON_PREV,       BUTTON_POWER },
    { ACTION_WPS_ABSETA_PREVDIR,   BUTTON_POWER|BUTTON_NEXT,       BUTTON_POWER },
    { ACTION_WPS_ABRESET,          BUTTON_POWER|BUTTON_UP,         BUTTON_POWER },

    { ACTION_WPS_BROWSE,           BUTTON_UP|BUTTON_REL,           BUTTON_UP    },
    { ACTION_WPS_CONTEXT,          BUTTON_UP|BUTTON_REPEAT,        BUTTON_UP    },
    { ACTION_WPS_MENU,             BUTTON_DOWN|BUTTON_REL,         BUTTON_DOWN  },
    { ACTION_WPS_QUICKSCREEN,      BUTTON_DOWN|BUTTON_REPEAT,      BUTTON_DOWN  },
    { ACTION_WPS_PITCHSCREEN,      BUTTON_POWER|BUTTON_LEFT,       BUTTON_POWER },
    { ACTION_WPS_ID3SCREEN,        BUTTON_POWER|BUTTON_RIGHT,      BUTTON_POWER },
    { ACTION_WPS_LIST_BOOKMARKS,   BUTTON_POWER|BUTTON_SELECT,     BUTTON_POWER },
    { ACTION_WPS_CREATE_BOOKMARK,  BUTTON_POWER|BUTTON_DOWN,       BUTTON_POWER },
    { ACTION_WPS_VIEW_PLAYLIST,    BUTTON_POWER|BUTTON_PLAY,       BUTTON_POWER },

    LAST_ITEM_IN_LIST
}; /* button_context_wps */

/** Bookmark Screen **/
static const struct button_mapping button_context_bmark[] = {
    { ACTION_BMS_DELETE,       BUTTON_SELECT|BUTTON_REPEAT, BUTTON_SELECT },

    LAST_ITEM_IN_LIST__NEXTLIST(CONTEXT_LIST),
}; /* button_context_settings_bmark */


/** Keyboard **/
static const struct button_mapping button_context_keyboard[] = {
    { ACTION_KBD_LEFT,         BUTTON_LEFT,                    BUTTON_NONE },
    { ACTION_KBD_LEFT,         BUTTON_LEFT|BUTTON_REPEAT,      BUTTON_NONE },
    { ACTION_KBD_RIGHT,        BUTTON_RIGHT,                   BUTTON_NONE },
    { ACTION_KBD_RIGHT,        BUTTON_RIGHT|BUTTON_REPEAT,     BUTTON_NONE },
    { ACTION_KBD_UP,           BUTTON_UP,                      BUTTON_NONE },
    { ACTION_KBD_UP,           BUTTON_UP|BUTTON_REPEAT,        BUTTON_NONE },
    { ACTION_KBD_DOWN,         BUTTON_DOWN,                    BUTTON_NONE },
    { ACTION_KBD_DOWN,         BUTTON_DOWN|BUTTON_REPEAT,      BUTTON_NONE },

    { ACTION_KBD_CURSOR_LEFT,  BUTTON_PREV,                    BUTTON_NONE },
    { ACTION_KBD_CURSOR_LEFT,  BUTTON_PREV|BUTTON_REPEAT,      BUTTON_NONE },
    { ACTION_KBD_CURSOR_RIGHT, BUTTON_NEXT,                    BUTTON_NONE },
    { ACTION_KBD_CURSOR_RIGHT, BUTTON_NEXT|BUTTON_REPEAT,      BUTTON_NONE },

    { ACTION_KBD_BACKSPACE,    BUTTON_PLAY,                    BUTTON_NONE },

    { ACTION_KBD_SELECT,       BUTTON_SELECT|BUTTON_REL,       BUTTON_SELECT},
    { ACTION_KBD_DONE,         BUTTON_SELECT|BUTTON_REPEAT,    BUTTON_SELECT},
    { ACTION_KBD_ABORT,        BUTTON_POWER|BUTTON_REL,        BUTTON_NONE },

    LAST_ITEM_IN_LIST
}; /* button_context_keyboard */

/** Pitchscreen **/
static const struct button_mapping button_context_pitchscreen[] = {
    { ACTION_PS_INC_SMALL,      BUTTON_UP,                  BUTTON_NONE },
    { ACTION_PS_INC_BIG,        BUTTON_UP|BUTTON_REPEAT,    BUTTON_NONE },
    { ACTION_PS_DEC_SMALL,      BUTTON_DOWN,                BUTTON_NONE },
    { ACTION_PS_DEC_BIG,        BUTTON_DOWN|BUTTON_REPEAT,  BUTTON_NONE },
    { ACTION_PS_NUDGE_LEFT,     BUTTON_LEFT,                BUTTON_NONE },
    { ACTION_PS_NUDGE_LEFTOFF,  BUTTON_LEFT|BUTTON_REL,     BUTTON_NONE },
    { ACTION_PS_NUDGE_RIGHT,    BUTTON_RIGHT,               BUTTON_NONE },
    { ACTION_PS_NUDGE_RIGHTOFF, BUTTON_RIGHT|BUTTON_REL,    BUTTON_NONE },
    { ACTION_PS_TOGGLE_MODE,    BUTTON_SELECT|BUTTON_REL,   BUTTON_SELECT },
    { ACTION_PS_RESET,          BUTTON_SELECT|BUTTON_REPEAT,BUTTON_SELECT },
    { ACTION_PS_EXIT,           BUTTON_POWER|BUTTON_REL,    BUTTON_POWER},
    { ACTION_PS_SLOWER,         BUTTON_PREV,                BUTTON_NONE },
    { ACTION_PS_FASTER,         BUTTON_NEXT,                BUTTON_NONE },

    LAST_ITEM_IN_LIST__NEXTLIST(CONTEXT_STD)
}; /* button_context_pitchscreen */

/** Quickscreen **/
static const struct button_mapping button_context_quickscreen[] = {
    { ACTION_QS_TOP,        BUTTON_UP,                      BUTTON_NONE },
    { ACTION_QS_TOP,        BUTTON_UP|BUTTON_REPEAT,        BUTTON_NONE },
    { ACTION_QS_DOWN,       BUTTON_DOWN,                    BUTTON_NONE },
    { ACTION_QS_DOWN,       BUTTON_DOWN|BUTTON_REPEAT,      BUTTON_NONE },
    { ACTION_QS_LEFT,       BUTTON_LEFT,                    BUTTON_NONE },
    { ACTION_QS_LEFT,       BUTTON_LEFT|BUTTON_REPEAT,      BUTTON_NONE },
    { ACTION_QS_RIGHT,      BUTTON_RIGHT,                   BUTTON_NONE },
    { ACTION_QS_RIGHT,      BUTTON_RIGHT|BUTTON_REPEAT,     BUTTON_NONE },
    { ACTION_STD_CANCEL,    BUTTON_POWER|BUTTON_REL,        BUTTON_POWER},

    LAST_ITEM_IN_LIST__NEXTLIST(CONTEXT_STD)
}; /* button_context_quickscreen */

/** Settings - General Mappings **/
static const struct button_mapping button_context_settings[] = {
    { ACTION_STD_CANCEL,            BUTTON_POWER|BUTTON_REL,    BUTTON_POWER},
    { ACTION_SETTINGS_INC,          BUTTON_UP,                  BUTTON_NONE },
    { ACTION_SETTINGS_INCREPEAT,    BUTTON_UP|BUTTON_REPEAT,    BUTTON_NONE },
    { ACTION_SETTINGS_DEC,          BUTTON_DOWN,                BUTTON_NONE },
    { ACTION_SETTINGS_DECREPEAT,    BUTTON_DOWN|BUTTON_REPEAT,  BUTTON_NONE },
    { ACTION_STD_PREV,              BUTTON_LEFT,                BUTTON_NONE },
    { ACTION_STD_PREVREPEAT,        BUTTON_LEFT|BUTTON_REPEAT,  BUTTON_NONE },
    { ACTION_STD_NEXT,              BUTTON_RIGHT,               BUTTON_NONE },
    { ACTION_STD_NEXTREPEAT,        BUTTON_RIGHT|BUTTON_REPEAT, BUTTON_NONE },

    LAST_ITEM_IN_LIST__NEXTLIST(CONTEXT_STD)
}; /* button_context_settings */

/** Settings - Using Sliders **/
static const struct button_mapping button_context_settings_r_is_inc[] = {
    { ACTION_SETTINGS_INC,          BUTTON_RIGHT,               BUTTON_NONE },
    { ACTION_SETTINGS_INCREPEAT,    BUTTON_RIGHT|BUTTON_REPEAT, BUTTON_NONE },
    { ACTION_SETTINGS_DEC,          BUTTON_LEFT,                BUTTON_NONE },
    { ACTION_SETTINGS_DECREPEAT,    BUTTON_LEFT|BUTTON_REPEAT,  BUTTON_NONE },

    { ACTION_STD_CANCEL,            BUTTON_POWER|BUTTON_REL,    BUTTON_POWER},

    LAST_ITEM_IN_LIST__NEXTLIST(CONTEXT_STD)
}; /* button_context_settings_r_is_inc */

/** Tree **/
static const struct button_mapping button_context_tree[] = {
    { ACTION_TREE_WPS,    BUTTON_PLAY|BUTTON_REL,        BUTTON_PLAY },
    { ACTION_TREE_STOP,   BUTTON_PLAY|BUTTON_REPEAT,     BUTTON_NONE },
    { ACTION_TREE_HOTKEY, BUTTON_NEXT,                   BUTTON_NONE },

    LAST_ITEM_IN_LIST__NEXTLIST(CONTEXT_STD)
}; /* button_context_tree */

static const struct button_mapping button_context_tree_scroll_lr[] = {
    { ACTION_NONE,              BUTTON_LEFT,                BUTTON_NONE },
    { ACTION_STD_CANCEL,        BUTTON_LEFT|BUTTON_REL,     BUTTON_LEFT },
    { ACTION_TREE_ROOT_INIT,    BUTTON_LEFT|BUTTON_REPEAT,  BUTTON_LEFT },
    { ACTION_TREE_PGLEFT,       BUTTON_LEFT|BUTTON_REPEAT,  BUTTON_NONE },
    { ACTION_NONE,              BUTTON_RIGHT,               BUTTON_NONE },
    { ACTION_TREE_PGRIGHT,      BUTTON_RIGHT|BUTTON_REPEAT, BUTTON_NONE },

    LAST_ITEM_IN_LIST__NEXTLIST(CONTEXT_CUSTOM|CONTEXT_TREE),
}; /* button_context_tree_scroll_lr */

/** Yes/No Screen **/
static const struct button_mapping button_context_yesnoscreen[] = {
    { ACTION_YESNO_ACCEPT,          BUTTON_SELECT,              BUTTON_NONE },
    LAST_ITEM_IN_LIST__NEXTLIST(CONTEXT_STD)
}; /* button_context_settings_yesnoscreen */

/* get_context_mapping returns a pointer to one of the above defined arrays depending on the context */
const struct button_mapping* get_context_mapping(int context)
{
    switch (context)
    {
        /* anything that uses button_context_standard */
        case CONTEXT_LIST:
        case CONTEXT_STD:
        default:
            return button_context_standard;

        /* contexts with special mapping */
        case CONTEXT_BOOKMARKSCREEN:
            return button_context_bmark;

        case CONTEXT_KEYBOARD:
        case CONTEXT_MORSE_INPUT:
            return button_context_keyboard;

        case CONTEXT_PITCHSCREEN:
            return button_context_pitchscreen;

        case CONTEXT_QUICKSCREEN:
            return button_context_quickscreen;

        case CONTEXT_SETTINGS:
        case CONTEXT_SETTINGS_TIME:
            return button_context_settings;

        case CONTEXT_SETTINGS_COLOURCHOOSER:
        case CONTEXT_SETTINGS_EQ:
        case CONTEXT_SETTINGS_RECTRIGGER:
            return button_context_settings_r_is_inc;

        case CONTEXT_TREE:
        case CONTEXT_MAINMENU:
            if (global_settings.hold_lr_for_scroll_in_list)
                return button_context_tree_scroll_lr;
            /* else fall through to CONTEXT_TREE|CONTEXT_CUSTOM */
        case CONTEXT_TREE|CONTEXT_CUSTOM:
            return button_context_tree;

        case CONTEXT_WPS:
            return button_context_wps;

        case CONTEXT_YESNOSCREEN:
            return button_context_yesnoscreen;
    }
}
