// Dale's Planck with a number row, I mean Preonic.
// I could have done something cooler with the top row I guess but I'm pretty much a Planck guy, that is the reason for the duplication of keys.

#include "preonic.h"
#include "action_layer.h"
#include "eeconfig.h"
#ifdef AUDIO_ENABLE
  #include "audio.h"
#endif

// 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.

enum preonic_layers {
  _QWERTY,
  _ARROW,
  _LOWER,
  _RAISE,
  _ADJUST
};

enum preonic_keycodes {
  QWERTY = SAFE_RANGE,
  ARROW,
  LOWER,
  RAISE,
  BACKLIT
};

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

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

/* Qwerty
 * ,-----------------------------------------------------------------------------------.
 * |   `  |   1  |   2  |   3  |   4  |   5  |   6  |   7  |   8  |   9  |   0  | Del  |
 * |------+------+------+------+------+------+------+------+------+------+------+------|
 * | 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  |  \   |  Alt |Lower |    Space    |Raise |   [  |   -  |   =  |  ]   |
 * `-----------------------------------------------------------------------------------'
 */
[_QWERTY] = {
  {KC_GRV,  KC_1,    KC_2,    KC_3,    KC_4,   KC_5,    KC_6,    KC_7,   KC_8,    KC_9,    KC_0,    KC_DEL},
  {KC_ESC,  KC_Q,    KC_W,    KC_E,    KC_R,   KC_T,    KC_Y,    KC_U,   KC_I,    KC_O,    KC_P,    KC_BSPC},
  {KC_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, MT(MOD_RSFT, KC_ENT) },
  {KC_LCTL, KC_LGUI, KC_BSLS, KC_LALT, LOWER,  KC_SPC,  KC_SPC,  RAISE,  LT(_LOWER, KC_LBRC), KC_MINS, KC_EQL, MT(MOD_RCTL, KC_RBRC)}
},

/* Arrow
 * ,-----------------------------------------------------------------------------------.
 * |   `  |   1  |   2  |   3  |   4  |   5  |   6  |   7  |   8  |   9  |   0  | Del  |
 * |------+------+------+------+------+------+------+------+------+------+------+------|
 * | 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  |  \   |  Alt |Lower |    Space    |Raise | Left | Down |  Up  | Right |
 * `-----------------------------------------------------------------------------------'
 */
[_ARROW] = {
  {KC_GRV,  KC_1,    KC_2,    KC_3,    KC_4,   KC_5,    KC_6,    KC_7,   KC_8,    KC_9,    KC_0,    KC_DEL},
  {KC_ESC,  KC_Q,    KC_W,    KC_E,    KC_R,   KC_T,    KC_Y,    KC_U,   KC_I,    KC_O,    KC_P,    KC_BSPC},
  {KC_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, MT(MOD_RSFT, KC_ENT) },
  {KC_LCTL, KC_LGUI, KC_BSLS, KC_LALT, LOWER,  KC_SPC,  KC_SPC,  RAISE,  KC_LEFT, KC_DOWN, KC_UP,  MT(MOD_RCTL, KC_RGHT)}
},

/* Lower
 * ,-----------------------------------------------------------------------------------.
 * |   `  |   1  |   2  |   3  |   4  |   5  |   6  |   7  |   8  |   9  |   0  | Del  |
 * |------+------+------+------+------+------+------+------+------+------+------+------|
 * |   `  |   1  |   2  |   3  |   4  |   5  |   6  |   7  |   8  |   9  |   0  | Bksp |
 * |------+------+------+------+------+-------------+------+------+------+------+------|
 * | Del  |  F1  |  F2  |  F3  |  F4  |  F5  |  F6  |   4  |   5  |   6  |   .  |  *   |
 * |------+------+------+------+------+------|------+------+------+------+------+------|
 * |      |  F7  |  F8  |  F9  |  F10 |  F11 |  F12 |   1  |   2  |   3  |   /  | Ent  |
 * |------+------+------+------+------+------+------+------+------+------+------+------|
 * |      |      |      |      |      |      0      |      |   [  |   -  |   +  |   ]  |
 * `-----------------------------------------------------------------------------------'
 */
[_LOWER] = {
  {KC_GRV,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_DEL},
  {KC_GRV,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_BSPC},
  {KC_DEL,  KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_4,    KC_5,    KC_6, KC_DOT, KC_ASTR},
  {_______, KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12,  KC_1,    KC_2,    KC_3, _______, _______},
  {_______, _______, _______, _______, _______, KC_0, KC_0, _______, _______, _______, KC_PLUS, _______}
},

/* Raise
 * ,-----------------------------------------------------------------------------------.
 * |   ~  |   !  |   @  |   #  |   $  |   %  |   ^  |   &  |   *  |   (  |   )  | Bksp |
 * |------+------+------+------+------+-------------+------+------+------+------+------|
 * |   ~  |   !  |   @  |   #  |   $  |   %  |   ^  |   &  |   *  |   (  |   )  | Del  |
 * |------+------+------+------+------+-------------+------+------+------+------+------|
 * | Del  | Wh Up|RightC| M-Up | LeftC|QWERTY| Left | Down |  Up  | Right|  |   |   `  |
 * |------+------+------+------+------+------|------+------+------+------+------+------|
 * |      | Wh Dn| M-L  | M-Dn | M-R  |      |  -   |  =   |  [  |   ]   |  \   |      |
 * |------+------+------+------+------+------+------+------+------+------+------+------|
 * |      | App  |      |      |      |     Ins     |      | Home | PGDN | PGUP |  End |
 * `-----------------------------------------------------------------------------------'
 */
[_RAISE] = {
  {KC_TILD, KC_EXLM, KC_AT,   KC_HASH, KC_DLR,  KC_PERC, KC_CIRC, KC_AMPR, KC_ASTR, KC_LPRN, KC_RPRN, KC_BSPC},
  {KC_TILD, KC_EXLM, KC_AT,   KC_HASH, KC_DLR,  KC_PERC, KC_CIRC, KC_AMPR, KC_ASTR, KC_LPRN, KC_RPRN, KC_DEL},
  { KC_DEL,   KC_WH_U,   KC_BTN2, KC_MS_U, KC_BTN1, QWERTY, KC_LEFT, KC_DOWN,   KC_UP, KC_RGHT,   KC_PIPE,  KC_GRV},
  {_______,   KC_WH_D,   KC_MS_L, KC_MS_D, KC_MS_R, _______, KC_MINS, KC_EQL, KC_LBRC, KC_RBRC, KC_BSLASH, _______},
  {_______,   KC_APP,   _______, _______, _______, KC_INS, KC_INS, _______, KC_HOME, KC_PGDN,   KC_PGUP,  KC_END}
},

/* Adjust (Lower + Raise)
 * ,-----------------------------------------------------------------------------------.
 * |  F1  |  F2  |  F3  |  F4  |  F5  |  F6  |  F7  |  F8  |  F9  |  F10 |  F11 |  F12 |
 * |------+------+------+------+------+------+------+------+------+------+------+------|
 * | C-A-I|Qwerty|      |      |Reset |Macro0|      |      |      |      |      |C-A-D |
 * |------+------+------+------+------+-------------+------+------+------+------+------|
 * | Caps | Arrow|      |Aud on|Audoff|      |AGswap|AGnorm| PrtSc|ScrLck| Break|      |
 * |------+------+------+------+------+------|------+------+------+------+------+------|
 * |      |Voice-|Voice+|Mus on|Musoff| Prev | Next | Mute |VolUp |VolDn |      |      |
 * |------+------+------+------+------+------+------+------+------+------+------+------|
 * | Brite|      |      |      |      | Play/Pause  |      | BL_T |BL_DEC|BL_INC|BL_ST |
 * `-----------------------------------------------------------------------------------'
 */
[_ADJUST] = {
  {KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12},
  {LALT(LCTL(KC_INS)), QWERTY,   _______, _______, RESET, M(0),  _______, MAGIC_TOGGLE_NKRO, _______, _______, _______, LALT(LCTL(KC_DEL))},
  {KC_CAPS, ARROW, _______, AU_ON,   AU_OFF,  _______, AG_SWAP, AG_NORM,  KC_PSCR, KC_SLCK, KC_PAUS,  _______},
  {_______, MUV_DE,  MUV_IN,  MU_ON,   MU_OFF,  KC_MPRV,  KC_MNXT,  KC_MUTE, KC_VOLD, KC_VOLU, _______, _______},
  {BACKLIT, _______, _______, _______, _______, KC_MPLY, KC_MPLY, _______, BL_TOGG, BL_DEC , BL_INC , BL_STEP}
}


};

const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt) // this is the function signature -- just copy/paste it into your keymap file as it is.
{
  switch(id) {
    case 0: // this would trigger when you hit a key mapped as M(0)
      if (record->event.pressed) {
        return MACRO( D(LSFT), T(LEFT), U(LSFT), D(LCTL), T(X), U(LCTL), T(RIGHT), D(LCTL), T(V), U(LCTL), T(LEFT),  END  ); // this swaps the characters on either side of the cursor when the macro executes
      }
      break;
  }
  return MACRO_NONE;
};

#ifdef AUDIO_ENABLE
float tone_startup[][2] = {
  {NOTE_B5, 20},
  {NOTE_B6, 8},
  {NOTE_DS6, 20},
  {NOTE_B6, 8}
};

float tone_qwerty[][2]     = SONG(QWERTY_SOUND);

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

float music_scale[][2]     = SONG(MUSIC_SCALE_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 ARROW:
          if (record->event.pressed) {
            persistent_default_layer_set(1UL<<_ARROW);
          }
          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