/*
Copyright 2012 Jun Wako <[email protected]>

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 "print.h"
#include "debug.h"
#include "util.h"
#include "keymap.h"


#define KEYMAP( \
    K00, K01, K02, K03, K04, K05, K06, K07, K08, K09, K0A, K0B, K0C, K0D, \
    K10, K11, K12, K13, K14, K15, K16, K17, K18, K19, K1A, K1B, K1C, K1D, \
    K20, K21, K22, K23, K24, K25, K26, K27, K28, K29, K2A, K2B, K2C, K2D, \
    K30, K31, K32, K33, K34, K35, K36, K37, K38, K39, K3A, K3B, K3C, K3D, \
    K40, K41, K42,           K45,                     K4A, K4B, K4C, K4D  \
) { \
    { KC_##K00, KC_##K01, KC_##K02, KC_##K03, KC_##K04, KC_##K05, KC_##K06, KC_##K07, KC_##K08, KC_##K09, KC_##K0A, KC_##K0B, KC_##K0C, KC_##K0D }, \
    { KC_##K10, KC_##K11, KC_##K12, KC_##K13, KC_##K14, KC_##K15, KC_##K16, KC_##K17, KC_##K18, KC_##K19, KC_##K1A, KC_##K1B, KC_##K1C, KC_##K1D }, \
    { KC_##K20, KC_##K21, KC_##K22, KC_##K23, KC_##K24, KC_##K25, KC_##K26, KC_##K27, KC_##K28, KC_##K29, KC_##K2A, KC_##K2B, KC_##K2C, KC_##K2D }, \
    { KC_##K30, KC_##K31, KC_##K32, KC_##K33, KC_##K34, KC_##K35, KC_##K36, KC_##K37, KC_##K38, KC_##K39, KC_##K3A, KC_##K3B, KC_##K3C, KC_##K3D }, \
    { KC_##K40, KC_##K41, KC_##K42, KC_NO,    KC_NO,    KC_##K45, KC_NO,    KC_NO,    KC_NO,    KC_NO,    KC_##K4A, KC_##K4B, KC_##K4C, KC_##K4D }  \
}

#define KEYCODE(layer, row, col) (pgm_read_byte(&keymaps[(layer)][(row)][(col)]))


// Assign Fn key(0-7) to a layer to which switch with the Fn key pressed.
static const uint8_t PROGMEM fn_layer[] = {
    0,              // Fn0
    1,              // Fn1
    2,              // Fn2
    3,              // Fn3
    4,              // Fn4
    0,              // Fn5
    3,              // Fn6
    3               // Fn7
};

// Assign Fn key(0-7) to a keycode sent when release Fn key without use of the layer.
// See layer.c for details.
static const uint8_t PROGMEM fn_keycode[] = {
    KC_NO,          // Fn0
    KC_NO,          // Fn1
    KC_SLSH,        // Fn2
    KC_SCLN,        // Fn3
    KC_SPC,         // Fn4
    KC_NO,          // Fn5
    KC_NO,          // Fn6
    KC_NO           // Fn7
};

static const uint8_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
    /* Layer 0: Default Layer
     * ,-----------------------------------------------------------.
     * |Esc|  1|  2|  3|  4|  5|  6|  7|  8|  9|  0|  -|  =|Backsp |
     * |-----------------------------------------------------------|
     * |Tab  |  Q|  W|  E|  R|  T|  Y|  U|  I|  O|  P|  [|  ]|    \|
     * |-----------------------------------------------------------|
     * |Caps  |  A|  S|  D|  F|  G|  H|  J|  K|  L|  ;|  '|Return  |
     * |-----------------------------------------------------------|
     * |Shift   |  Z|  X|  C|  V|  B|  N|  M|  ,|  .|  /|    Shift |
     * |-----------------------------------------------------------|
     * |Ctrl|Gui |Alt |      Space             |Alt |Gui |App |Ctrl|
     * `-----------------------------------------------------------'
     */
    KEYMAP(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, \
           CAPS,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,NO,  RSFT, \
           LCTL,LGUI,LALT,          SPC,                     RALT,GRV, FN6, RCTL),


#if 0
    /* Layer 1: HHKB mode (HHKB Fn)
     * ,-----------------------------------------------------------.
     * |Esc| F1| F2| F3| F4| F5| F6| F7| F8| F9|F10|F11|F12|Delete |
     * |-----------------------------------------------------------|
     * |Caps |   |   |   |   |   |   |   |Psc|Slk|Pus|Up |   |     |
     * |-----------------------------------------------------'     |
     * |Contro|VoD|VoU|Mut|   |   |  *|  /|Hom|PgU|Lef|Rig|Enter   |
     * |-----------------------------------------------------------|
     * |Shift   |   |   |   |   |   |  +|  -|End|PgD|Dow|Shift |xxx|
     * |-----------------------------------------------------------|
     * |   |Gui |Alt  |                      |Alt  |Gui|   |   |Ctr|
     * `-----------------------------------------------------------'
     */ 
    KEYMAP(PWR, F1,  F2,  F3,  F4,  F5,  F6,  F7,  F8,  F9,  F10, F11, F12, DEL, \
           CAPS,NO,  NO,  NO,  NO,  NO,  NO,  NO,  PSCR,SLCK,BRK, UP,  INS, NLCK,\
           LCTL,VOLD,VOLU,MUTE,NO,  NO,  PAST,PSLS,HOME,PGUP,LEFT,RGHT,ENT, \
           LSFT,NO,  NO,  NO,  NO,  NO,  PPLS,PMNS,END, PGDN,DOWN,RSFT,FN1, \
           NO,  LGUI,LALT,SPC, RALT,NO,  NO,  NO,  RCTL),


    /* Layer 2: Vi mode (Quote/Rmeta)
     * ,-----------------------------------------------------------.
     * |  `| F1| F2| F3| F4| F5| F6| F7| F8| F9|F10|F11|F12|   `   |
     * |-----------------------------------------------------------|
     * |  \  |Hom|PgD|Up |PgU|End|Hom|PgD|PgU|End|   |   |   |     |
     * |-----------------------------------------------------'     |
     * |Contro|   |Lef|Dow|Rig|   |Lef|Dow|Up |Rig|   |   |   \    |
     * |-----------------------------------------------------------|
     * |Shift   |   |   |   |   |   |Hom|PgD|PgU|End|xxx|Shift |   |
     * |-----------------------------------------------------------|
     * |   |Gui |Alt  |Space                 |Alt  |Gui|Fn6|Fn6|Ctr|
     * `-----------------------------------------------------------'
     */
    KEYMAP(GRV, F1,  F2,  F3,  F4,  F5,  F6,  F7,  F8,  F9,  F10, F11, F12, GRV, \
           BSLS,HOME,PGDN,UP,  PGUP,END, HOME,PGDN,PGUP,END, NO,  NO,  NO,  NO,  \
           LCTL,NO,  LEFT,DOWN,RGHT,NO,  LEFT,DOWN,UP,  RGHT,NO,  NO,  BSLS, \
           LSFT,NO,  NO,  NO,  NO,  NO,  HOME,PGDN,PGUP,END, FN2, RSFT,NO, \
           NO,  LGUI,LALT,SPC, RALT,RGUI,FN6, FN6, RCTL),


    /* Layer 3: Mouse mode (Semicolon)
     * ,-----------------------------------------------------------.
     * |  `| F1| F2| F3| F4| F5| F6| F7| F8| F9|F10|F11|F12|   `   |
     * |-----------------------------------------------------------|
     * |  \  |MwL|MwD|McU|MwU|MwR|MwL|MwD|MwU|MwR|   |   |   |     |
     * |-----------------------------------------------------'     |
     * |Contro|   |McL|McD|McR|   |McL|McD|McU|McR|xxx|   |   \    |
     * |-----------------------------------------------------------|
     * |Shift   |   |   |Mb1|Mb2|Mb3|Mb2|Mb1|   |   |   |Shift |   |
     * |-----------------------------------------------------------|
     * |xxx|Gui |Alt  |Mb1                   |Alt  |   |   |   |   |
     * `-----------------------------------------------------------'
     * Mc: Mouse Cursor / Mb: Mouse Button / Mw: Mouse Wheel 
     */
    KEYMAP(GRV, F1,  F2,  F3,  F4,  F5,  F6,  F7,  F8,  F9,  F10, F11, F12, GRV, \
           BSLS,WH_L,WH_D,MS_U,WH_U,WH_R,WH_L,WH_D,WH_U,WH_R,NO,  NO,  NO,  NO,  \
           LCTL,NO,  MS_L,MS_D,MS_R,NO,  MS_L,MS_D,MS_U,MS_R,FN3, NO,  BSLS, \
           LSFT,NO,  NO,  BTN1,BTN2,BTN3,BTN2,BTN1,NO,  NO,  NO,  RSFT,NO, \
           FN7, LGUI,LALT,BTN1,RALT,NO,  FN6, FN6, NO),


    /* Layer 4: Matias half keyboard style (Space)
     * ,-----------------------------------------------------------.
     * |Esc| F1| F2| F3| F4| F5| F6| F7| F8| F9|F10|F11|F12|Delete |
     * |-----------------------------------------------------------|
     * |Backs|  P|  O|  I|  U|  Y|  T|  R|  E|  W|  Q|Tab|Tab|     |
     * |-----------------------------------------------------'     |
     * |Contro|  ;|  L|  K|  J|  H|  G|  F|  D|  S|  A|Con|Control |
     * |-----------------------------------------------------------|
     * |Shift   |  /|  .|  ,|  M|  N|  B|  V|  C|  X|  Z|Shift |   |
     * |-----------------------------------------------------------|
     * |   |Gui |Alt  |xxxxxxxxxxxxxxxxxxxxxx|Alt  |Gui|   |   |Ctr|
     * `-----------------------------------------------------------'
     */
    KEYMAP(MINS,0,   9,   8,   7,   6,   5,   4,   3,   2,   1,   NO,  NO,  ESC, \
           BSPC,P,   O,   I,   U,   Y,   T,   R,   E,   W,   Q,   TAB, TAB, TAB, \
           LCTL,SCLN,L,   K,   J,   H,   G,   F,   D,   S,   A,   RCTL,RCTL, \
           LSFT,SLSH,DOT, COMM,M,   N,   B,   V,   C,   X,   Z,   RSFT,NO, \
           NO,  LGUI,LALT,FN4, RALT,RGUI,NO,  NO,  RCTL),
#endif
};


uint8_t keymap_get_keycode(uint8_t layer, uint8_t row, uint8_t col)
{
    return KEYCODE(layer, row, col);
}

uint8_t keymap_fn_layer(uint8_t index)
{
    return pgm_read_byte(&fn_layer[index]);
}

uint8_t keymap_fn_keycode(uint8_t index)
{
    return pgm_read_byte(&fn_keycode[index]);
}