#pragma message "You may need to add LAYOUT_planck_grid to your keymap layers - see default for an example"
#include "planck.h"
#include "action_layer.h"
#ifdef AUDIO_ENABLE
  #include "audio.h"
#endif
#include "eeconfig.h"

extern keymap_config_t keymap_config;

// Each layer gets a name for readability, which is then used in the keymap matrix below.
// The underscores don't mean anything - you can have a layer called STUFF or any other name.
// Layer names don't all need to be of the same length, obviously, and you can also skip them
// entirely and just use numbers.
#define _QWERTY 0
#define _LOWER 1
#define _RAISE 2
#define _MULTIMEDIA 3
#define _ADJUST 4

enum planck_keycodes {
  QWERTY = SAFE_RANGE,
  LOWER,
  RAISE,
  BACKLIT
};

// Fillers to make layering more clear
#define _______ KC_TRNS
#define XXXXXXX KC_NO

// Func macro definitions.
#define SFT_TAB  FUNC(0) // Tap for Enter, hold for Shift

// Enable these functions using FUNC(n) macro.
const uint16_t PROGMEM fn_actions[] = {
    [0] = ACTION_LAYER_TAP_KEY(_MULTIMEDIA, KC_TAB)
 };

const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {

/* Qwerty
 * ,-----------------------------------------------------------------------------------.
 * | Esc  |   Q  |   W  |   E  |   R  |   T  |   Y  |   U  |   I  |   O  |   P  | Bksp |
 * |------+------+------+------+------+------+------+------+------+------+------+------|
 * | Tab  |   A  |   S  |   D  |   F  |   G  |   H  |   J  |   K  |   L  |   ;  |  "   |
 * |------+------+------+------+------+------+------+------+------+------+------+------|
 * | Shift|   Z  |   X  |   C  |   V  |   B  |   N  |   M  |   ,  |   .  |   /  |Enter |
 * |------+------+------+------+------+------+------+------+------+------+------+------|
 * | Ctrl | GUI  | AltGr| Alt  | Lower|    Space    | Raise| Left | Down |  Up  |Right |
 * `-----------------------------------------------------------------------------------'
 */
[_QWERTY] = {
  {KC_ESC,  KC_Q,       KC_W,       KC_E,       KC_R,   KC_T,   KC_Y,   KC_U,   KC_I,    KC_O,    KC_P,    KC_BSPC},
  {SFT_TAB, KC_A,       KC_S,       KC_D,       KC_F,   KC_G,   KC_H,   KC_J,   KC_K,    KC_L,    KC_SCLN, KC_QUOT},
  {KC_LSFT, KC_Z,       KC_X,       KC_C,       KC_V,   KC_B,   KC_N,   KC_M,   KC_COMM, KC_DOT,  KC_SLSH, KC_ENT },
  {KC_LCTL, KC_LGUI,    KC_RALT,    KC_LALT,    LOWER,  KC_SPC, KC_SPC, RAISE,  KC_LEFT, KC_DOWN, KC_UP,   KC_RIGHT}
},

/* Lower
 * ,-----------------------------------------------------------------------------------.
 * |      |      |      |      |      |      |      |      |      |      |   (  |   )  |
 * |------+------+------+------+------+------+------+------+------+------+------+------|
 * | Brite|      |      |      |      |      |      |      |      |      |   {  |   }  |
 * |------+------+------+------+------+------+------+------+------+------+------+------|
 * |      |      |      |      |      |      |      |      |      |      |   [  |   ]  |
 * |------+------+------+------+------+------+------+------+------+------+------+------|
 * |      |      |      |      |      |             |      | Home | PgDwn| PgUp | End  |
 * `-----------------------------------------------------------------------------------'
 */
[_LOWER] = {
  {_______, _______,  _______,  _______,  _______,  _______,  _______,  _______,  _______,  _______,    KC_LPRN,  KC_RPRN},
  {BACKLIT, _______,  _______,  _______,  _______,  _______,  _______,  _______,  _______,  _______,    KC_LCBR,  KC_RCBR},
  {_______, _______,  _______,  _______,  _______,  _______,  _______,  _______,  _______,  _______,    KC_LBRC,  KC_RBRC},
  {_______, _______,  _______,  _______,  _______,  _______,  _______,  _______,  KC_HOME,  KC_PGDN,    KC_PGUP,  KC_END}
},

/* Raise
 * ,-----------------------------------------------------------------------------------.
 * |   1  |   2  |   3  |   4  |   5  |   6  |   7  |   8  |   9  |  10  |   -  |   =  |
 * |------+------+------+------+------+------+------+------+------+------+------+------|
 * |      |      |      |      |      |      |      |      |      |      |      |  `   |
 * |------+------+------+------+------+------+------+------+------+------+------+------|
 * |      |      |      |      |      |      |      |      |      |      |   \  |      |
 * |------+------+------+------+------+------+------+------+------+------+------+------|
 * |      |      |      |      |      |             |      |      |      |      |      |
 * `-----------------------------------------------------------------------------------'
 */
[_RAISE] = {
  {KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_MINS, KC_EQL},
  {_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, KC_GRV},
  {_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, KC_BSLS, _______},
  {_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______}
},

/* _MULTIMEDIA
 * ,-----------------------------------------------------------------------------------.
 * |  F1  |  F2  |  F3  |  F4  |  F5  |  F6  |  F7  |  F8  |  F9  | F10  | F11  | F12  |
 * |------+------+------+------+------+------+------+------+------+------+------+------|
 * |      |      |      |      |      |      |      |  Psc |      |      |      |      |
 * |------+------+------+------+------+------+------+------+------+------+------+------|
 * |      |      |      |      |      | Mute | Vol+ | Vol- |      |      |      |Insert|
 * |------+------+------+------+------+------+------+------+------+------+------+------|
 * |      |      |      |      |      |             |      | Prev | Play | Next |  Del |
 * `-----------------------------------------------------------------------------------'
 */
[_MULTIMEDIA] = {
  {KC_F1,   KC_F2,      KC_F3,      KC_F4,      KC_F5,      KC_F6,      KC_F7,      KC_F8,      KC_F9,      KC_F10,     KC_F11,     KC_F12},
  {_______, _______,    _______,    _______,    _______,    _______,    _______,    KC_PSCR,    _______,    _______,    _______,    _______},
  {_______, _______,    _______,    _______,    _______,    KC_MUTE,    KC_VOLU,    KC_VOLD,    _______,    _______,    _______,    KC_INS},
  {_______, _______,    _______,    _______,    _______,    _______,    _______,    _______,    KC_MPRV,    KC_MPLY,    KC_MNXT,    KC_DEL}
},


/* Adjust (Lower + Raise)
 * ,-----------------------------------------------------------------------------------.
 * |      | Reset|      |      |      |      |      |      |      |      |      |  Del |
 * |------+------+------+------+------+------+------+------+------+------+------+------|
 * |      |      |      |Aud on|Audoff|AGnorm|AGswap|Qwerty|      |      |      |      |
 * |------+------+------+------+------+------+------+------+------+------+------+------|
 * |      |Voice-|Voice+|Mus on|Musoff|MIDIon|MIDIof|      |      |      |      |      |
 * |------+------+------+------+------+------+------+------+------+------+------+------|
 * |      |      |      |      |      |             |      |      |      |      |      |
 * `-----------------------------------------------------------------------------------'
 */
[_ADJUST] = {
  {_______, RESET,   _______, _______, _______, _______, _______, _______, _______, _______, _______, KC_DEL},
  {_______, _______, _______, AU_ON,   AU_OFF,  AG_NORM, AG_SWAP, QWERTY,  _______, _______, _______, _______},
  {_______, MUV_DE,  MUV_IN,  MU_ON,   MU_OFF,  MI_ON,   MI_OFF,  _______, _______, _______, _______, _______},
  {_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______}
}


};

#ifdef AUDIO_ENABLE

float tone_startup[][2]    = SONG(STARTUP_SOUND);
float tone_qwerty[][2]     = SONG(QWERTY_SOUND);
float tone_dvorak[][2]     = SONG(DVORAK_SOUND);
float tone_colemak[][2]    = SONG(COLEMAK_SOUND);
float tone_plover[][2]     = SONG(PLOVER_SOUND);
float tone_plover_gb[][2]  = SONG(PLOVER_GOODBYE_SOUND);
float music_scale[][2]     = SONG(MUSIC_SCALE_SOUND);

float tone_goodbye[][2] = SONG(GOODBYE_SOUND);
#endif


void persistent_default_layer_set(uint16_t default_layer) {
  eeconfig_update_default_layer(default_layer);
  default_layer_set(default_layer);
}

bool process_record_user(uint16_t keycode, keyrecord_t *record) {
  switch (keycode) {
    case QWERTY:
      if (record->event.pressed) {
        #ifdef AUDIO_ENABLE
          PLAY_SONG(tone_qwerty);
        #endif
        persistent_default_layer_set(1UL<<_QWERTY);
      }
      return false;
      break;
    case LOWER:
      if (record->event.pressed) {
        layer_on(_LOWER);
        update_tri_layer(_LOWER, _RAISE, _ADJUST);
      } else {
        layer_off(_LOWER);
        update_tri_layer(_LOWER, _RAISE, _ADJUST);
      }
      return false;
      break;
    case RAISE:
      if (record->event.pressed) {
        layer_on(_RAISE);
        update_tri_layer(_LOWER, _RAISE, _ADJUST);
      } else {
        layer_off(_RAISE);
        update_tri_layer(_LOWER, _RAISE, _ADJUST);
      }
      return false;
      break;
    case BACKLIT:
      if (record->event.pressed) {
        register_code(KC_RSFT);
        #ifdef BACKLIGHT_ENABLE
          backlight_step();
        #endif
      } else {
        unregister_code(KC_RSFT);
      }
      return false;
      break;
  }
  return true;
}

void matrix_init_user(void) {
    #ifdef AUDIO_ENABLE
        startup_user();
    #endif
}

#ifdef AUDIO_ENABLE

void startup_user()
{
    _delay_ms(20); // gets rid of tick
    PLAY_SONG(tone_startup);
}

void shutdown_user()
{
    PLAY_SONG(tone_goodbye);
    _delay_ms(150);
    stop_all_notes();
}

void music_on_user(void)
{
    music_scale_user();
}

void music_scale_user(void)
{
    PLAY_SONG(music_scale);
}

#endif