/*
Copyright 2012,2013 Jun Wako <wakojun@gmail.com>

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, see <http://www.gnu.org/licenses/>.
*/
#include <stdint.h>
#include <stdbool.h>
#include <avr/pgmspace.h>
#include "keycode.h"
#include "action.h"
#include "action_macro.h"
#include "report.h"
#include "host.h"
#include "print.h"
#include "debug.h"
#include "keymap.h"


/* ANSI */
#define KEYMAP_ANSI( \
    K00, K01, K02, K03, K04, K05, K06, K07, K08, K09, K0A, K0B, K0C, K0D, K0E, \
    K10, K11, K12, K13, K14, K15, K16, K17, K18, K19, K1A, K1B, K1C, K1D, K1E, \
    K20, K21, K22, K23, K24, K25, K26, K27, K28, K29, K2A, K2B, K2C,      K2E  \
    K30, K31, K32, K33, K34, K35, K36, K37, K38, K39, K3A, K3B,      K3D, K3E  \
    K40, K41,              K45,                  K49, K4A, K4B,      K4D, K4E  \
) KEYMAP( \
    K00, K01, K02, K03, K04, K05, K06, K07, K08, K09, K0A, K0B, K0C, K0D, K0E, \
    K10, K11, K12, K13, K14, K15, K16, K17, K18, K19, K1A, K1B, K1C, K1D, K1E, \
    K20, K21, K22, K23, K24, K25, K26, K27, K28, K29, K2A, K2B, K2C,      K2E  \
    K30, K31, K32, K33, K34, K35, K36, K37, K38, K39, K3A, K3B,      K3D, K3E  \
    K40, K41,              K45,                  K49, K4A, K4B,      K4D, K4E  \
)


static const uint8_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
    /* Keymap 0: Default Layer
     * ,-----------------------------------------------------.
     * |Esc|  1|  2|  3|  4|  5|  6|  7|  8|  9|  0| -| =|Bsp|
     * |-----------------------------------------------------|
     * |Tab  |  Q|  W|  E|  R|  T|  Y|  U|  I|  O|  P| [| ]|\|
     * |-----------------------------------------------------|
     * |Ctrl  |  A|  S|  D|  F|  G|  H|  J|  K|  L|; | '|ENT |
     * |-----------------------------------------------------|
     * |Shift   |  Z|  X|  C|  V|  B|  N|  M| ,|  .|UP| RSFT |
     * |-----------------------------------------------------|
     * |Lwin| Alt |         Space          |Fn0 |LEF|DOW|RIG |
     * `-----------------------------------------------------'
     */
    KEYMAP_ANSI(
           ESC, 1,   2,   3,   4,   5,   6,   7,   8,   9,   0,   MINS,EQL, BSPC,\
           TAB, Q,   W,   E,   R,   T,   Y,   U,   I,   O,   P,   LBRC,RBRC,BSLS,\
           LCTL,A,   S,   D,   F,   G,   H,   J,   K,   L,   SCLN,QUOT,NO  ,ENT, \
           LSFT,NO,  Z,   X,   C,   V,   B,   N,   M,   COMM,DOT, SLSH,UP,  RSFT \
           LWIN,LALT,               SPC,                     FN0, LEFT,DOWN,RGHT),
    /* Overlay 1: Function Layer
     * ,-------------------------------------------------------.
     * |~  |F1 |F2 |F3 |F4 |F5 |F6 |F7 |F8 |F9|F10|F11|F12|PSCR|
     * |-------------------------------------------------------|
     * |    |   |   |   |   |   |   |   |   |   |   |   |  |DEL|
     * |-------------------------------------------------------|
     * |CAPS |   |   |   |   |   |   |   |   |   |   |   |     |
     * |-------------------------------------------------------|
     * |       |   |   |   |   |   |   |   |   |   |PGUP|      |
     * |-------------------------------------------------------|
     * |     |     |                       |     |HOM|PGD| END |
     * `-------------------------------------------------------'
     */
    KEYMAP_ANSI(
        GRV, F1,  F2,  F3,  F4,  F5,  F6,  F7,  F8,  F9,  F10, F11, F12, PSCR,\
        TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,DEl, \
        CAPS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,     TRNS,\
        TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,     PGUP,TRNS \
        TRNS   ,   TRNS,               TRNS              ,TRNS,HOME,PGDN,END),
};

/*
 * Fn action definition
 */
static const uint16_t PROGMEM fn_actions[] = {
    [0] = ACTION_LAYER_MOMENTARY(1),
};
#endif



#define KEYMAPS_SIZE    (sizeof(keymaps) / sizeof(keymaps[0]))
#define FN_ACTIONS_SIZE (sizeof(fn_actions) / sizeof(fn_actions[0]))

/* translates key to keycode */
uint8_t keymap_key_to_keycode(uint8_t layer, key_t key)
{
    if (layer < KEYMAPS_SIZE) {
        return pgm_read_byte(&keymaps[(layer)][(key.row)][(key.col)]);
    } else {
        // XXX: this may cuaes bootlaoder_jump inconsistent fail.
        //debug("key_to_keycode: base "); debug_dec(layer); debug(" is invalid.\n");
        // fall back to layer 0
        return pgm_read_byte(&keymaps[0][(key.row)][(key.col)]);
    }
}

/* translates Fn keycode to action */
action_t keymap_fn_to_action(uint8_t keycode)
{
    action_t action;
    if (FN_INDEX(keycode) < FN_ACTIONS_SIZE) {
        action.code = pgm_read_word(&fn_actions[FN_INDEX(keycode)]);
    } else {
        action.code = ACTION_NO;
    }
    return action;
}