#include QMK_KEYBOARD_H
#include "muse.h"


enum planck_layers {
  _QWERTY,
  _COLEMAK,
  _DVORAK,
  _LOWER,
  _RAISE,
  _PLOVER,
  _ADJUST,

  _FN1,
  _DPAD,
  _DPADNUM
};

enum planck_keycodes {
  QWERTY = SAFE_RANGE,
  COLEMAK,
  DVORAK,
  PLOVER,
  BACKLIT,
  EXT_PLV,

  DP_ON,
  DP_OFF
};

#define LOWER MO(_LOWER)
#define RAISE MO(_RAISE)
#define SPACEFN LT(_FN1, KC_SPC)

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 |
	 * |------+------+------+------+------+------+------+------+------+------+------+------|
	 * |  App | Ctrl | GUI  |  Alt |Lower |   SpaceFn   |Raise | Left | Down |  Up  |Right |
	 * `-----------------------------------------------------------------------------------'
	 */
	[_QWERTY] = LAYOUT_ortho_4x12(
		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, RSFT_T(KC_ENT),
		KC_APP,  KC_LCTL, KC_LGUI, KC_LALT, LOWER,   SPACEFN, SPACEFN, RAISE,   KC_LEFT, KC_DOWN, KC_UP,   KC_RIGHT
	),

	/* Colemak
	 * ,-----------------------------------------------------------------------------------.
	 * | Tab  |   Q  |   W  |   F  |   P  |   G  |   J  |   L  |   U  |   Y  |   ;  | Bksp |
	 * |------+------+------+------+------+-------------+------+------+------+------+------|
	 * | Esc  |   A  |   R  |   S  |   T  |   D  |   H  |   N  |   E  |   I  |   O  |  "   |
	 * |------+------+------+------+------+------|------+------+------+------+------+------|
	 * | Shift|   Z  |   X  |   C  |   V  |   B  |   K  |   M  |   ,  |   .  |   /  |Enter |
	 * |------+------+------+------+------+------+------+------+------+------+------+------|
	 * | Brite| Ctrl | Alt  | GUI  |Lower |    Space    |Raise | Left | Down |  Up  |Right |
	 * `-----------------------------------------------------------------------------------'
	 */
	[_COLEMAK] = LAYOUT_ortho_4x12(
		KC_TAB,  KC_Q,    KC_W,    KC_F,    KC_P,    KC_G,    KC_J,    KC_L,    KC_U,    KC_Y,    KC_SCLN, KC_BSPC,
		KC_ESC,  KC_A,    KC_R,    KC_S,    KC_T,    KC_D,    KC_H,    KC_N,    KC_E,    KC_I,    KC_O,    KC_QUOT,
		KC_LSFT, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_K,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_ENT ,
		BACKLIT, KC_LCTL, KC_LALT, KC_LGUI, LOWER,   KC_SPC,  KC_SPC,  RAISE,   KC_LEFT, KC_DOWN, KC_UP,   KC_RGHT
	),

	/* Dvorak
	 * ,-----------------------------------------------------------------------------------.
	 * | Tab  |   "  |   ,  |   .  |   P  |   Y  |   F  |   G  |   C  |   R  |   L  | Bksp |
	 * |------+------+------+------+------+-------------+------+------+------+------+------|
	 * | Esc  |   A  |   O  |   E  |   U  |   I  |   D  |   H  |   T  |   N  |   S  |  /   |
	 * |------+------+------+------+------+------|------+------+------+------+------+------|
	 * | Shift|   ;  |   Q  |   J  |   K  |   X  |   B  |   M  |   W  |   V  |   Z  |Enter |
	 * |------+------+------+------+------+------+------+------+------+------+------+------|
	 * | Brite| Ctrl | Alt  | GUI  |Lower |    Space    |Raise | Left | Down |  Up  |Right |
	 * `-----------------------------------------------------------------------------------'
	 */
	[_DVORAK] = LAYOUT_ortho_4x12(
		KC_TAB,  KC_QUOT, KC_COMM, KC_DOT,  KC_P,    KC_Y,    KC_F,    KC_G,    KC_C,    KC_R,    KC_L,    KC_BSPC,
		KC_ESC,  KC_A,    KC_O,    KC_E,    KC_U,    KC_I,    KC_D,    KC_H,    KC_T,    KC_N,    KC_S,    KC_SLSH,
		KC_LSFT, KC_SCLN, KC_Q,    KC_J,    KC_K,    KC_X,    KC_B,    KC_M,    KC_W,    KC_V,    KC_Z,    KC_ENT ,
		BACKLIT, KC_LCTL, KC_LALT, KC_LGUI, LOWER,   KC_SPC,  KC_SPC,  RAISE,   KC_LEFT, KC_DOWN, KC_UP,   KC_RGHT
	),

	/* Lower
	 * ,-----------------------------------------------------------------------------------.
	 * |   ~  |   !  |   @  |   #  |   $  |   %  |   ^  |   &  |   *  |   (  |   )  |      |
	 * |------+------+------+------+------+-------------+------+------+------+------+------|
	 * | Del  |  F1  |  F2  |  F3  |  F4  |  F5  |  F6  |   _  |   +  |   {  |   }  |  |   |
	 * |------+------+------+------+------+------|------+------+------+------+------+------|
	 * |      |  F7  |  F8  |  F9  |  F10 |  F11 |  F12 |      |      |      |      |      |
	 * |------+------+------+------+------+------+------+------+------+------+------+------|
	 * |      |      |      |      |      |             |      | Next | Vol- | Vol+ | Play |
	 * `-----------------------------------------------------------------------------------'
	 */
	[_LOWER] = LAYOUT_ortho_4x12(
		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_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_UNDS, KC_PLUS, KC_LCBR, KC_RCBR, KC_PIPE,
		_______, KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12,  _______, _______, _______, _______, _______,
		_______, _______, _______, _______, _______, _______, _______, _______, KC_MNXT, KC_VOLD, KC_VOLU, KC_MPLY
	),

	/* Raise
	 * ,-----------------------------------------------------------------------------------.
	 * |   `  |   1  |   2  |   3  |   4  |   5  |   6  |   7  |   8  |   9  |   0  |      |
	 * |------+------+------+------+------+-------------+------+------+------+------+------|
	 * | Del  |  F1  |  F2  |  F3  |  F4  |  F5  |  F6  |   -  |   =  |   [  |   ]  |  \   |
	 * |------+------+------+------+------+------|------+------+------+------+------+------|
	 * |      |  F7  |  F8  |  F9  |  F10 |  F11 |  F12 |      |      |      |      |      |
	 * |------+------+------+------+------+------+------+------+------+------+------+------|
	 * |      |      |      |      |      |             |      | Next | Vol- | Vol+ | Play |
	 * `-----------------------------------------------------------------------------------'
	 */
	[_RAISE] = LAYOUT_ortho_4x12(
		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_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_MINS, KC_EQL,  KC_LBRC, KC_RBRC, KC_BSLS,
		_______, KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12,  _______, _______, _______, _______, _______,
		_______, _______, _______, _______, _______, _______, _______, _______, KC_MNXT, KC_VOLD, KC_VOLU, KC_MPLY
	),

	/* Plover layer (http://opensteno.org)
	 * ,-----------------------------------------------------------------------------------.
	 * |   #  |   #  |   #  |   #  |   #  |   #  |   #  |   #  |   #  |   #  |   #  |   #  |
	 * |------+------+------+------+------+-------------+------+------+------+------+------|
	 * |      |   S  |   T  |   P  |   H  |   *  |   *  |   F  |   P  |   L  |   T  |   D  |
	 * |------+------+------+------+------+------|------+------+------+------+------+------|
	 * |      |   S  |   K  |   W  |   R  |   *  |   *  |   R  |   B  |   G  |   S  |   Z  |
	 * |------+------+------+------+------+------+------+------+------+------+------+------|
	 * | Exit |      |      |   A  |   O  |             |   E  |   U  |      |      |      |
	 * `-----------------------------------------------------------------------------------'
	 */

	[_PLOVER] = LAYOUT_ortho_4x12(
		KC_1,    KC_1,    KC_1,    KC_1,    KC_1,    KC_1,    KC_1,    KC_1,    KC_1,    KC_1,    KC_1,    KC_1   ,
		XXXXXXX, KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,    KC_Y,    KC_U,    KC_I,    KC_O,    KC_P,    KC_LBRC,
		XXXXXXX, KC_A,    KC_S,    KC_D,    KC_F,    KC_G,    KC_H,    KC_J,    KC_K,    KC_L,    KC_SCLN, KC_QUOT,
		EXT_PLV, XXXXXXX, XXXXXXX, KC_C,    KC_V,    XXXXXXX, XXXXXXX, KC_N,    KC_M,    XXXXXXX, XXXXXXX, XXXXXXX
	),

	/* Adjust (Lower + Raise)
	 * ,-----------------------------------------------------------------------------------.
	 * |      | Reset|      |      |      |      |      |      |      |      |      |  Del |
	 * |------+------+------+------+------+-------------+------+------+------+------+------|
	 * |      |      |      |Aud on|Audoff|AGnorm|AGswap|Qwerty|Colemk|Dvorak|Plover|      |
	 * |------+------+------+------+------+------|------+------+------+------+------+------|
	 * |      |Voice-|Voice+|Mus on|Musoff|MIDIon|MIDIof|      |      |      |      |      |
	 * |------+------+------+------+------+------+------+------+------+------+------+------|
	 * |      |      |      |      |      |             |      |      |      |      |      |
	 * `-----------------------------------------------------------------------------------'
	 */
	[_ADJUST] = LAYOUT_ortho_4x12(
		_______, QK_BOOT, DB_TOGG, RGB_TOG, RGB_MOD, RGB_HUI, RGB_HUD, RGB_SAI, RGB_SAD, RGB_VAI, RGB_VAD, KC_DEL ,
		_______, _______, MU_MOD,  AU_ON,   AU_OFF,  AG_NORM, AG_SWAP, QWERTY,  COLEMAK, DVORAK,  PLOVER,  _______,
		_______, MUV_DE,  MUV_IN,  MU_ON,   MU_OFF,  MI_ON,   MI_OFF,  _______, _______, _______, _______, _______,
		_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______
	),

	// Two personal additional layers below

	/* Personal custom Fn layer
	 * ,-----------------------------------------------------------------------------------.
	 * |      | Vol+ | PgUp |  Up  | PdDn | Ins  |      |      |  Up  |      | PScr |      |
	 * |------+------+------+------+------+-------------+------+------+------+------+------|
	 * |      | Vol- | Left | Down | Right| Home |      | Left | Down |Right |      | Del  |
	 * |------+------+------+------+------+------|------+------+------+------+------+------|
	 * |      | Prev | Play | Next | Brite| End  |      |      | Vol- | Vol+ | Mute |      |
	 * |------+------+------+------+------+------+------+------+------+------+------+------|
	 * | Caps |      |      |      |      |    Space    |      | DP_ON|      |      |      |
	 * `-----------------------------------------------------------------------------------'
	 */
	[_FN1] = LAYOUT_ortho_4x12(
		_______, KC_VOLU, KC_PGUP, KC_UP,   KC_PGDN, KC_INS,  _______, _______, KC_UP,   _______, KC_PSCR, _______,
		_______, KC_VOLD, KC_LEFT, KC_DOWN, KC_RGHT, KC_HOME, _______, KC_LEFT, KC_DOWN, KC_RGHT, _______, KC_DEL ,
		_______, KC_MPRV, KC_MPLY, KC_MNXT, BACKLIT, KC_END,  _______, _______, KC_VOLD, KC_VOLU, KC_MUTE, _______,
		KC_CAPS, _______, _______, _______, _______, _______, _______, _______, DP_ON,   _______, _______, _______
	),

	/* DPAD layer, to activate arrow cluster at the bottom right corner

	 * ,-----------------------------------------------------------------------------------.
	 * | 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  |   ,  |   .  |  Up  |Enter |
	 * |------+------+------+------+------+------+------+------+------+------+------+------|
	 * | Ctrl | GUI  | Alt  |      |DNUM  |    Space    |      |DP_OFF| Left | Down |Right |
	 * `-----------------------------------------------------------------------------------'
	 */

	[_DPAD] = LAYOUT_ortho_4x12(
		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_UP,   KC_ENT ,
		KC_LCTL, KC_LGUI, KC_LALT, XXXXXXX, MO(_DPADNUM),
													 KC_SPC,  KC_SPC,  LOWER,   DP_OFF,  KC_LEFT, KC_DOWN, KC_RGHT
	),

	// Extended layer for weapon switching

	[_DPADNUM] = LAYOUT_ortho_4x12(
		XXXXXXX, KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    XXXXXXX,
		XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,
		_______, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12,
		_______, _______, _______, XXXXXXX, MO(_DPADNUM),
													 XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX
	)


};

#ifdef AUDIO_ENABLE
  float plover_song[][2]     = SONG(PLOVER_SOUND);
  float plover_gb_song[][2]  = SONG(PLOVER_GOODBYE_SOUND);

  // Borrowing audio from unused audio
  // Caps Lock on and off sound too similar

  float caps_song_on[][2] = SONG(NUM_LOCK_ON_SOUND);
  float caps_song_off[][2] = SONG(SCROLL_LOCK_ON_SOUND);

  float dpad_song_on[][2] = SONG(ODE_TO_JOY);
  float dpad_song_off[][2] = SONG(UNICODE_WINDOWS);
#endif

// Disable LED on Rev6
#ifdef KEYBOARD_planck_rev6
layer_state_t layer_state_set_user(layer_state_t state) {
  return update_tri_layer_state(state, _LOWER, _RAISE, _ADJUST);
}

#else

layer_state_t layer_state_set_user(layer_state_t state) {
  // LED control, lighting up when Fn layer is activated
  state = update_tri_layer_state(state, _LOWER, _RAISE, _ADJUST);
#    ifdef BACKLIGHT_ENABLE
  switch (get_highest_layer(state)) {
    case _QWERTY:
      backlight_set(0);
      break;
    case _FN1:
      backlight_set(3);
      break;
	case _DPAD:
      backlight_set(3);
      break;
  }
#    endif
  return state;
}

#endif

bool process_record_user(uint16_t keycode, keyrecord_t *record) {
  switch (keycode) {
    case QWERTY:
      if (record->event.pressed) {
        print("mode just switched to qwerty and this is a huge string\n");
        set_single_persistent_default_layer(_QWERTY);
      }
      return false;
      break;
    case COLEMAK:
      if (record->event.pressed) {
        set_single_persistent_default_layer(_COLEMAK);
      }
      return false;
      break;
    case DVORAK:
      if (record->event.pressed) {
        set_single_persistent_default_layer(_DVORAK);
      }
      return false;
      break;
    case BACKLIT:
      if (record->event.pressed) {
        register_code(KC_RSFT);
        #ifdef BACKLIGHT_ENABLE
          backlight_step();
        #endif
        #ifdef KEYBOARD_planck_rev5
          writePinLow(E6);
        #endif
      } else {
        unregister_code(KC_RSFT);
        #ifdef KEYBOARD_planck_rev5
          writePinHigh(E6);
        #endif
      }
      return false;
      break;
    case PLOVER:
      if (record->event.pressed) {
        #ifdef AUDIO_ENABLE
          stop_all_notes();
          PLAY_SONG(plover_song);
        #endif
        layer_off(_RAISE);
        layer_off(_LOWER);
        layer_off(_ADJUST);
        layer_on(_PLOVER);
        if (!eeconfig_is_enabled()) {
            eeconfig_init();
        }
        keymap_config.raw = eeconfig_read_keymap();
        keymap_config.nkro = 1;
        eeconfig_update_keymap(keymap_config.raw);
      }
      return false;
      break;
    case EXT_PLV:
      if (record->event.pressed) {
        #ifdef AUDIO_ENABLE
          PLAY_SONG(plover_gb_song);
        #endif
        layer_off(_PLOVER);
      }
      return false;
      break;


// Play audio upon switching Caps Lock and custom layers

	case KC_CAPS:
		if (record->event.pressed) {
			#ifdef AUDIO_ENABLE
			if (host_keyboard_led_state().caps_lock) {
				PLAY_SONG(caps_song_off);
			} else {
				PLAY_SONG(caps_song_on);
			}
			#endif
		}
		return true;

	case DP_ON:
		if (record->event.pressed) {

		} else {
			#ifdef AUDIO_ENABLE
			PLAY_SONG(dpad_song_on);
			#endif

			layer_off(_FN1);
			layer_on(_DPAD);
		}

	case DP_OFF:
		if (record->event.pressed) {
			#ifdef AUDIO_ENABLE
			PLAY_SONG(dpad_song_off);
			#endif

			layer_off(_DPAD);
		}
    }
  return true;
}

bool muse_mode = false;
uint8_t last_muse_note = 0;
uint16_t muse_counter = 0;
uint8_t muse_offset = 70;
uint16_t muse_tempo = 50;

bool encoder_update_user(uint8_t index, bool clockwise) {
  if (muse_mode) {
    if (IS_LAYER_ON(_RAISE)) {
      if (clockwise) {
        muse_offset++;
      } else {
        muse_offset--;
      }
    } else {
      if (clockwise) {
        muse_tempo+=1;
      } else {
        muse_tempo-=1;
      }
    }
  } else {
    if (clockwise) {
      tap_code(KC_PGDN);
    } else {
      tap_code(KC_PGUP);
    }
  }
    return true;
}

bool dip_switch_update_user(uint8_t index, bool active) {
  switch (index) {
    case 0:
      if (active) {
        #ifdef AUDIO_ENABLE
          PLAY_SONG(plover_song);
        #endif
        layer_on(_ADJUST);
      } else {
        #ifdef AUDIO_ENABLE
          PLAY_SONG(plover_gb_song);
        #endif
        layer_off(_ADJUST);
      }
      break;
    case 1:
      if (active) {
        muse_mode = true;
      } else {
        muse_mode = false;
        #ifdef AUDIO_ENABLE
          stop_all_notes();
        #endif
      }
   }
    return true;
}

void matrix_scan_user(void) {
  #ifdef AUDIO_ENABLE
    if (muse_mode) {
      if (muse_counter == 0) {
        uint8_t muse_note = muse_offset + SCALE[muse_clock_pulse()];
        if (muse_note != last_muse_note) {
          stop_note(compute_freq_for_midi_note(last_muse_note));
          play_note(compute_freq_for_midi_note(muse_note), 0xF);
          last_muse_note = muse_note;
        }
      }
      muse_counter = (muse_counter + 1) % muse_tempo;
    }
  #endif
}

bool music_mask_user(uint16_t keycode) {
  switch (keycode) {
    case RAISE:
    case LOWER:
      return false;
    default:
      return true;
  }
}