/* Copyright 2015-2017 Jack Humbert
 *
 * 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 QMK_KEYBOARD_H

enum preonic_layers {
  _QWERTY,
  _WORKMAN,
  _COLEMAK,
  _DVORAK,
  _LOWER,
  _RAISE,
  _ADJUST,
  _NUMPAD
};

enum preonic_keycodes {
  QWERTY = SAFE_RANGE,
  WORKMAN,
  COLEMAK,
  DVORAK,
  LOWER,
  RAISE,
  BACKLIT
};

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

/* Qwerty
 * ,-----------------------------------------------------------------------------------.
 * |   `  |   1  |   2  |   3  |   4  |   5  |   6  |   7  |   8  |   9  |   0  |  Del |
 * |------+------+------+------+------+------+------+------+------+------+------+------|
 * | Tab  |   Q  |   W  |   E  |   R  |   T  |   Y  |   U  |   I  |   O  |   P  | Bksp |
 * |------+------+------+------+------+-------------+------+------+------+------+------|
 * | Esc  |   A  |   S  |   D  |   F  |   G  |   H  |   J  |   K  |   L  |   ;  |   '  |
 * |------+------+------+------+------+------|------+------+------+------+------+------|
 * | Shift|   Z  |   X  |   C  |   V  |   B  |   N  |   M  |   ,  |   .  |   /  |Enter |
 * |------+------+------+------+------+------+------+------+------+------+------+------|
 * | Num  | Ctrl | Alt  | GUI  |Lower |    Space    |Raise | Left | Down |  Up  |Right |
 * `-----------------------------------------------------------------------------------'
 */
[_QWERTY] = LAYOUT_preonic_1x2uC( \
  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_TAB,       KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,    KC_Y,    KC_U,    KC_I,    KC_O,    KC_P,    KC_BSPC, \
  KC_ESC,       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), \
  TT(_NUMPAD),  KC_LCTL, KC_LALT, KC_LGUI, LOWER,       KC_SPC,       RAISE,   KC_LEFT, KC_DOWN, KC_UP,   KC_RGHT  \
),

/* Workman
 * ,-----------------------------------------------------------------------------------.
 * |   `  |   1  |   2  |   3  |   4  |   5  |   6  |   7  |   8  |   9  |   0  |  Del |
 * |------+------+------+------+------+------+------+------+------+------+------+------|
 * | Tab  |   Q  |   W  |   R  |   W  |   B  |   J  |   F  |   U  |   P  |   ;  | Bksp |
 * |------+------+------+------+------+-------------+------+------+------+------+------|
 * | Esc  |   A  |   S  |   H  |   T  |   G  |   Y  |   N  |   E  |   O  |   I  |   '  |
 * |------+------+------+------+------+------|------+------+------+------+------+------|
 * | Shift|   Z  |   X  |   M  |   C  |   V  |   K  |   L  |   ,  |   .  |   /  | Enter|
 * |------+------+------+------+------+------+------+------+------+------+------+------|
 * | Num  | Ctrl | Alt  | GUI  |Lower |    Space    |Raise | Left | Down |  Up  |Right |
 * `-----------------------------------------------------------------------------------'
 */
[_WORKMAN] = LAYOUT_preonic_1x2uC( \
  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_TAB,       KC_Q,    KC_D,    KC_R,    KC_W,    KC_B,    KC_J,    KC_F,    KC_U,    KC_P,    KC_SCLN, KC_BSPC, \
  KC_ESC,       KC_A,    KC_S,    KC_H,    KC_T,    KC_G,    KC_Y,    KC_N,    KC_E,    KC_O,    KC_I,    KC_QUOT, \
  KC_LSFT,      KC_Z,    KC_X,    KC_M,    KC_C,    KC_V,    KC_K,    KC_L,    KC_COMM, KC_DOT,  KC_SLSH, RSFT_T(KC_ENT), \
  TT(_NUMPAD),  KC_LCTL, KC_LALT, KC_LGUI, LOWER,       KC_SPC,       RAISE,   KC_LEFT, KC_DOWN, KC_UP,   KC_RGHT  \
),

/* Colemak
 * ,-----------------------------------------------------------------------------------.
 * |   `  |   1  |   2  |   3  |   4  |   5  |   6  |   7  |   8  |   9  |   0  |  Del |
 * |------+------+------+------+------+------+------+------+------+------+------+------|
 * | 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 |
 * |------+------+------+------+------+------+------+------+------+------+------+------|
 * | Num  | Ctrl | Alt  | GUI  |Lower |    Space    |Raise | Left | Down |  Up  |Right |
 * `-----------------------------------------------------------------------------------'
 */
[_COLEMAK] = LAYOUT_preonic_1x2uC( \
  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_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, RSFT_T(KC_ENT), \
  TT(_NUMPAD),  KC_LCTL, KC_LALT, KC_LGUI, LOWER,       KC_SPC,       RAISE,   KC_LEFT, KC_DOWN, KC_UP,   KC_RGHT  \
),

/* Dvorak
 * ,-----------------------------------------------------------------------------------.
 * |   `  |   1  |   2  |   3  |   4  |   5  |   6  |   7  |   8  |   9  |   0  |  Del |
 * |------+------+------+------+------+------+------+------+------+------+------+------|
 * | 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 |
 * |------+------+------+------+------+------+------+------+------+------+------+------|
 * | Num  | Ctrl | Alt  | GUI  |Lower |    Space    |Raise | Left | Down |  Up  |Right |
 * `-----------------------------------------------------------------------------------'
 */
[_DVORAK] = LAYOUT_preonic_1x2uC( \
  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_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,    RSFT_T(KC_ENT), \
  TT(_NUMPAD),  KC_LCTL, KC_LALT, KC_LGUI, LOWER,      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 |ISO ~ |ISO | |      |      |      |
 * |------+------+------+------+------+------+------+------+------+------+------+------|
 * |      |      |      |      |      |             |      | Play | Vol- | Vol+ | Next |
 * `-----------------------------------------------------------------------------------'
 */
[_LOWER] = LAYOUT_preonic_1x2uC( \
  KC_TILD, KC_EXLM, KC_AT,   KC_HASH, KC_DLR,  KC_PERC, KC_CIRC, KC_AMPR, KC_ASTR, KC_LPRN, KC_RPRN,  _______, \
  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,S(KC_NUHS),S(KC_NUBS),KC_HOME, KC_END, _______, \
  _______, _______, _______, _______, _______,     _______,      _______, KC_MPLY, KC_VOLD, KC_VOLU,  KC_MNXT  \
),

/* Raise
 * ,-----------------------------------------------------------------------------------.
 * |   `  |   1  |   2  |   3  |   4  |   5  |   6  |   7  |   8  |   9  |   0  |      |
 * |------+------+------+------+------+------+------+------+------+------+------+------|
 * |   `  |   1  |   2  |   3  |   4  |   5  |   6  |   7  |   8  |   9  |   0  |      |
 * |------+------+------+------+------+-------------+------+------+------+------+------|
 * | Del  |  F1  |  F2  |  F3  |  F4  |  F5  |  F6  |   -  |   =  |   [  |   ]  |  \   |
 * |------+------+------+------+------+------|------+------+------+------+------+------|
 * |      |  F7  |  F8  |  F9  |  F10 |  F11 |  F12 |ISO # |ISO / |      |      |      |
 * |------+------+------+------+------+------+------+------+------+------+------+------|
 * |      |      |      |      |      |             |      | Play | Vol- | Vol+ | Next |
 * `-----------------------------------------------------------------------------------'
 */
[_RAISE] = LAYOUT_preonic_1x2uC( \
  KC_GRV,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    _______, \
  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_NUHS, KC_NUBS, KC_PGUP, KC_PGDN, _______, \
  _______, _______, _______, _______, _______,     _______,      _______, KC_MPLY, KC_VOLD, KC_VOLU, KC_MNXT  \
),

/* Adjust (Lower + Raise)
 * ,-----------------------------------------------------------------------------------.
 * |  F1  |  F2  |  F3  |  F4  |  F5  |  F6  |  F7  |  F8  |  F9  |  F10 |  F11 |  F12 |
 * |------+------+------+------+------+------+------+------+------+------+------+------|
 * |      | Reset|      |      |      |      |      |      |      |      |      |  Del |
 * |------+------+------+------+------+-------------+------+------+------+------+------|
 * |CPSLCK|      |      |Aud on|AudOff|AGnorm|AGswap|Qwerty|Workmn|Dvorak|Colemk|      |
 * |------+------+------+------+------+------|------+------+------+------+------+------|
 * |      |Voice-|Voice+|Mus on|MusOff|MidiOn|MidOff|      |      |      |      |      |
 * |------+------+------+------+------+------+------+------+------+------+------+------|
 * |      |      |      |      |      |             |      |      |      |      |      |
 * `-----------------------------------------------------------------------------------'
 */
[_ADJUST] = LAYOUT_preonic_1x2uC( \
  KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12,  \
  _______, RESET,   DEBUG,   _______, _______, _______, _______, TERM_ON, TERM_OFF,_______, _______, KC_DEL,  \
  KC_CAPS, _______, MU_MOD,  AU_ON,   AU_OFF,  AG_NORM, AG_SWAP, QWERTY,  WORKMAN, DVORAK,  COLEMAK, _______, \
  _______, MUV_DE,  MUV_IN,  MU_ON,   MU_OFF,  MI_ON,   MI_OFF,  _______, _______, _______, _______, _______, \
  _______, _______, _______, _______, _______,      _______,     _______, _______, _______, _______, _______  \
),

/* Numpad
 * ,-----------------------------------------------------------------------------------.
 * |      |   ✗  |   ✗  |   ✗  |   ✗  |   ✗  |   ✗  |   ✗  |   /  |   *  |   -  |      |
 * |------+------+------+------+------+------+------+------+------+------+------+------|
 * |      |   ✗  | Home |  Up  |  End | PgUp |   ✗  |   7  |   8  |   9  |   +  |      |
 * |------+------+------+------+------+-------------+------+------+------+------+------|
 * |      |   ✗  | Left | Down | Right| PgDn |   ✗  |   4  |   5  |   6  |   +  |   ✗  |
 * |------+------+------+------+------+------|------+------+------+------+------+------|
 * |      |   /  |   *  |   -  |   +  | Enter|   ✗  |   1  |   2  |   3  | Enter| Enter|
 * |------+------+------+------+------+------+------+------+------+------+------+------|
 * |      |      |      |      |   ✗  |             |   0  |   0  |   .  | Enter|   =  |
 * `-----------------------------------------------------------------------------------'
 */
[_NUMPAD] = LAYOUT_preonic_1x2uC( \
  _______, KC_NO,   KC_NO,   KC_NO,   KC_NO,   KC_NO,   KC_NO,   KC_NO, KC_PSLS, KC_PAST, KC_PMNS, _______, \
  _______, KC_NO,   KC_HOME, KC_UP,   KC_END,  KC_PGUP, KC_NO,   KC_P7, KC_P8,   KC_P9,   KC_PPLS, _______, \
  _______, KC_NO,   KC_LEFT, KC_DOWN, KC_RGHT, KC_PGDN, KC_NO,   KC_P4, KC_P5,   KC_P6,   KC_PPLS, KC_NO,   \
  _______, KC_PSLS, KC_PAST, KC_PMNS, KC_PPLS, KC_PENT, KC_NO,   KC_P1, KC_P2,   KC_P3,   KC_PENT, KC_PENT, \
  _______, _______, _______, _______, KC_NO,       _______,      KC_P0, KC_P0,   KC_PDOT, KC_PENT, KC_PEQL  \
)


};

bool process_record_user(uint16_t keycode, keyrecord_t *record) {
  switch (keycode) {
    case QWERTY:
      if (record->event.pressed) {
        set_single_persistent_default_layer(_QWERTY);
      }
      return false;
    case WORKMAN:
      if (record->event.pressed) {
        set_single_persistent_default_layer(_WORKMAN);
      }
      return false;
    case COLEMAK:
      if (record->event.pressed) {
        set_single_persistent_default_layer(_COLEMAK);
      }
      return false;
    case DVORAK:
      if (record->event.pressed) {
        set_single_persistent_default_layer(_DVORAK);
      }
      return false;
    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;
    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;
    case BACKLIT:
      if (record->event.pressed) {
        register_code(KC_RSFT);
        #ifdef BACKLIGHT_ENABLE
          backlight_step();
        #endif
        PORTE &= ~(1<<6);
      } else {
        unregister_code(KC_RSFT);
        PORTE |= (1<<6);
      }
      return false;
  }
  return true;
};

bool numpadActive = false;

float tone_numpad_on[][2] = SONG(NUMPAD_ON_SOUND);

void matrix_scan_user (void) {
  uint8_t layer = biton32(layer_state);

  switch (layer) {
    case _NUMPAD:
      if (!numpadActive) {
        numpadActive = true;
        PLAY_SONG(tone_numpad_on);
      }
      break;
    default:
      if (numpadActive) {
        numpadActive = false;
      }
  }
};