/* Copyright 2018 ENDO Katsuhiro <ka2hiro@curlybracket.co.jp>
 *
 * 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

// Defines the keycodes used by our macros in process_record_user
#define _QWERTY 0
#define _LOWER 1
#define _RAISE 2
#define _ADJUST 16

enum custom_keycodes {
  QWERTY = SAFE_RANGE,
  LOWER,
  RAISE,
  ADJUST,     
};

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

/* Qwerty
 *
 * ,----------------------------------.           ,----------------------------------.
 * |   Q  |   W  |   E  |   R  |LOWER/T|         |RAISE/Y |   U  |   I  |   O  |   P  |
 * |------+------+------+------+------|           |------+------+------+------+------|
 * |   A  |   S  |   D  |   F  |   G  |           |   H  |   J  |   K  |   L  |   ;  |
 * |------+------+------+------+------|           |------+------+------+------+------|
 * |   Z  |   X  |   C  |   V  |   B  |           |   N  |   M  |   ,  |   .  |   /  |
 * `-------------+------+------+------|           |------+------+------+------+------'
 *               | GUI |Ent/Ctrl| Spc |           | Spc |BS/Shift| Alt |
 *               `--------------------'           `--------------------'
 */
[_QWERTY] = LAYOUT( \
  KC_Q,    KC_W,    KC_E,    KC_R, LT(_LOWER, KC_T), LT(_RAISE, KC_Y),    KC_U,    KC_I,    KC_O,    KC_P,    \
  KC_A,    KC_S,    KC_D,    KC_F,    KC_G,         KC_H,    KC_J,    KC_K,    KC_L,    KC_SCLN, \
  KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,         KC_N,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, \
                    KC_LGUI, MT(MOD_LCTL, KC_ENT), KC_SPC,   KC_SPC, MT(MOD_LSFT, KC_BSPC), KC_LALT \
),

/* Raise
 *
 * ,----------------------------------.           ,----------------------------------.
 * |   `  |      |   -  |   =  |LOWER |           |      |      |   -  |   =  |      |
 * |------+------+------+------+------|           |------+------+------+------+------|
 * | Caps |   '  |   [  |   ]  |   \  |           |      |   '  |   [  |   ]  |   \  |
 * |------+------+------+------+------|           |------+------+------+------+------|
 * |   1  |   2  |   3  |   4  |   5  |           |   6  |   7  |   8  |   9  |   0  |
 * `-------------+------+------+------|           |------+------+------+------+------'
 *               |      |      |      |           |      |      |      |
 *               `--------------------'           `--------------------'
 */
[_RAISE] = LAYOUT( \
  KC_GRV, _______,  KC_MINS,   KC_EQL,   LOWER,       _______, _______, KC_MINS, KC_EQL,  RESET, \
  KC_CAPS, KC_QUOT,  KC_LBRC,  KC_RBRC, KC_QUOT,     _______, KC_QUOT, KC_LBRC, KC_RBRC, KC_BSLS, \
  KC_1,    KC_2,     KC_3,    KC_4,    KC_5,         KC_6,    KC_7,    KC_8,    KC_9,    KC_0, \
                      _______, _______, _______,      _______,  _______, _______\
),

/* Lower
 *
 * ,----------------------------------.           ,----------------------------------.
 * |  Esc |      |      |      |      |           | RAISE| BkSp |  Up  |  Del | Esc  |
 * |------+------+------+------+------|           |------+------+------+------+------|
 * |  Tab |      |      |      |      |           | Tab  | Left | Down | Right| Enter|
 * |------+------+------+------+------|           |------+------+------+------+------|
 * |   1  |   2  |   3  |   4  |   5  |           |   6  |   7  |   8  |   9  |   0  |
 * `-------------+------+------+------|           |------+------+------+------+------'
 *               |      |      |      |           |      |      |      |
 *               `--------------------'           `--------------------'
 */
[_LOWER] = LAYOUT( \
  KC_ESC,  _______, _______, _______, _______,     RAISE,  KC_BSPC, KC_UP,  KC_DEL,   KC_ESC, \
  KC_TAB,  _______, _______, _______, _______,     KC_TAB,  KC_LEFT, KC_DOWN, KC_RGHT, KC_ENT, \
  KC_1,    KC_2,     KC_3,    KC_4,    KC_5,       KC_6,    KC_7,    KC_8,    KC_9,    KC_0, \
                    _______, _______, _______,      _______, _______, _______ \
),


/* Adjust (Lower + Raise)
 *
 * ,----------------------------------.           ,----------------------------------.
 * | Reset|      |      |      |      |           |      |      |      |      |      |
 * |------+------+------+------+------|           |------+------+------+------+------|
 * |  F1  |  F2  |  F3  |  F4  |  F5  |           |   F6 |  F7  |  F8  |  F9  |  F10 |
 * |------+------+------+------+------|           |------+------+------+------+------|
 * |  F11 |  F12 |      |      |      |           |      |      |      |      |      |
 * `-------------+------+------+------|           |------+------+------+------+------'
 *               |      |      |      |           |      |      |      |
 *               `--------------------'           `--------------------'
 */
[_ADJUST] =  LAYOUT( \
  RESET,   _______, _______, _______, _______,      _______, _______, _______, _______, _______,  \
  KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,        KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10, \
  KC_F11,  KC_F12,  _______, _______, _______,      _______, _______, _______, _______, _______, \
                    _______, _______, _______,      _______,  _______, _______                   \
)
};

bool process_record_user(uint16_t keycode, keyrecord_t *record) {
  switch (keycode) {
    case QWERTY:
      if (record->event.pressed) {
        // persistant_default_layer_set(1UL<<_QWERTY);
        set_single_persistent_default_layer(_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 ADJUST:
      if (record->event.pressed) {
        layer_on(_ADJUST);
      } else {
        layer_off(_ADJUST);
      }
      return false;
      break;
  }
  return true;
}

void matrix_init_user(void) {
}

void matrix_scan_user(void) {
}

void led_set_user(uint8_t usb_led) {
}