/* Copyright 2021 Maxime Coirault, Don Kjer, Tyler Tidman
 *
 * 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

// Layer shorthand
enum _layer {
    _BASE,
    _FN,
    _LAYER3,
    _LAYER4
};

const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
  /* Keymap _BASE: Base Layer (Default Layer)
   * ┌───┐   ┌───┬───┬───┬───┐ ┌───┬───┬───┬───┐ ┌───┬───┬───┬───┐ ┌───┬───┬───┐
   * │Esc│   │F1 │F2 │F3 │F4 │ │F5 │F6 │F7 │F8 │ │F9 │F10│F11│F12│ │PSc│Slk│Pse│
   * └───┘   └───┴───┴───┴───┘ └───┴───┴───┴───┘ └───┴───┴───┴───┘ └───┴───┴───┘
   * ┌───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───────┐ ┌───┬───┬───┐ ┌───┬───┬───┬───┐
   * │ ` │ 1 │ 2 │ 3 │ 4 │ 5 │ 6 │ 7 │ 8 │ 9 │ 0 │ - │ = │ Backsp│ │Ins│Hom│PgU│ │Num│ / │ * │ - │
   * ├───┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─────┤ ├───┼───┼───┤ ├───┼───┼───┼───┤
   * │ Tab │ Q │ W │ E │ R │ T │ Y │ U │ I │ O │ P │ [ │ ] │  \  │ │Del│End│PgD│ │ 7 │ 8 │ 9 │   │
   * ├─────┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬┈┈┈┈┤ └───┴───┴───┘ ├───┼───┼───┤ + │
   * │ Caps │ A │ S │ D │ F │ G │ H │ J │ K │ L │ ; │ ' │ # │Entr│               │ 4 │ 5 │ 6 │   │
   * ├────┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴───┴────┤     ┌───┐     ├───┼───┼───┼───┤
   * │Shft│ \ │ Z │ X │ C │ V │ B │ N │ M │ , │ . │ / │    Shift │     │ ↑ │     │ 1 │ 2 │ 3 │   │
   * ├────┼───┴┬──┴─┬─┴───┴───┴───┴───┴───┴──┬┴───┼───┴┬────┬────┤ ┌───┼───┼───┐ ├───┴───┼───┤Ent│
   * │Ctrl│GUI │Alt │                        │ Alt│Func│ App│Ctrl│ │ ← │ ↓ │ → │ │   0   │ . │   │
   * └────┴────┴────┴────────────────────────┴────┴────┴────┴────┘ └───┴───┴───┘ └───────┴───┴───┘
   */
  [_BASE] = LAYOUT_all( /* Base Layer */
      KC_ESC,           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_SCRL, KC_PAUS,
      KC_GRV,  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_BSPC,    KC_INS,  KC_HOME, KC_PGUP,    KC_NUM,  KC_PSLS, KC_PAST, KC_PMNS,
      KC_TAB,  KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,    KC_Y,    KC_U,    KC_I,    KC_O,    KC_P,    KC_LBRC, KC_RBRC, KC_BSLS,    KC_DEL,  KC_END,  KC_PGDN,    KC_P7,   KC_P8,   KC_P9,   KC_PPLS,
      KC_CAPS, KC_A,    KC_S,    KC_D,    KC_F,    KC_G,    KC_H,    KC_J,    KC_K,    KC_L,    KC_SCLN, KC_QUOT, KC_NUHS, KC_ENT,                                   KC_P4,   KC_P5,   KC_P6,
      KC_LSFT, KC_NUBS, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_N,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH,          KC_RSFT,             KC_UP,               KC_P1,   KC_P2,   KC_P3,   KC_PENT,
      KC_LCTL, KC_LGUI, KC_LALT,                            KC_SPC,                             KC_RALT, MO(_FN), KC_APP,  KC_RCTL,    KC_LEFT, KC_DOWN, KC_RGHT,    KC_P0,            KC_PDOT
  ),
  /* Keymap _FN: Function Layer
   * ┌───┐   ┌───┬───┬───┬───┐ ┌───┬───┬───┬───┐ ┌───┬───┬───┬───┐ ┌───┬───┬───┐
   * │   │   │Ply│Stp│Prv│Nxt│ │Mut│Vo+│Vo-│   │ │   │   │   │   │ │   │   │   │
   * └───┘   └───┴───┴───┴───┘ └───┴───┴───┴───┘ └───┴───┴───┴───┘ └───┴───┴───┘
   * ┌───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───────┐ ┌───┬───┬───┐ ┌───┬───┬───┬───┐
   * │   │   │   │   │   │   │   │   │   │   │   │   │   │       │ │   │   │   │ │   │   │   │   │
   * ├───┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─────┤ ├───┼───┼───┤ ├───┼───┼───┼───┤
   * │     │   │   │   │   │   │   │   │   │   │   │   │   │     │ │   │   │   │ │   │   │   │   │
   * ├─────┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬┈┈┈┈┤ └───┴───┴───┘ ├───┼───┼───┤   │
   * │      │   │   │   │   │   │   │   │   │   │   │   │   │    │               │   │   │   │   │
   * ├────┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴───┴────┤     ┌───┐     ├───┼───┼───┼───┤
   * │    │   │   │   │   │   │   │   │   │   │   │   │          │     │   │     │   │   │   │   │
   * ├────┼───┴┬──┴─┬─┴───┴───┴───┴───┴───┴──┬┴───┼───┴┬────┬────┤ ┌───┼───┼───┐ ├───┴───┼───┤   │
   * │    │Lock│    │                        │    │Func│ Sys│    │ │   │   │   │ │       │   │   │
   * └────┴────┴────┴────────────────────────┴────┴────┴────┴────┘ └───┴───┴───┘ └───────┴───┴───┘
   */
  [_FN] = LAYOUT_all( /* Function Layer */
      _______,          KC_MPLY, KC_MSTP, KC_MPRV, KC_MNXT, KC_MUTE, KC_VOLD, KC_VOLU, _______, _______, _______, _______, _______,    _______, _______, _______,
      _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,    _______, _______, _______,    _______, _______, _______, _______,
      _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,    _______, _______, _______,    _______, _______, _______, _______,
      _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,                                  _______, _______, _______,
      _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,          _______,             _______,             _______, _______, _______, _______,
      _______, GU_TOGG, _______,                            _______,                            _______, _______, _______, _______,    _______, _______, _______,    _______,          _______
  ),
  [_LAYER3] = LAYOUT_all( /* Layer 3 */
      _______,          _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,    _______, _______, _______,
      _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,    _______, _______, _______,    _______, _______, _______, _______,
      _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,    _______, _______, _______,    _______, _______, _______, _______,
      _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,                                  _______, _______, _______,
      _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,          _______,             _______,             _______, _______, _______, _______,
      _______, _______, _______,                            _______,                            _______, _______, _______, _______,    _______, _______, _______,    _______,          _______
  ),
  [_LAYER4] = LAYOUT_all( /* Layer 4 */
      _______,          _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,    _______, _______, _______,
      _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,    _______, _______, _______,    _______, _______, _______, _______,
      _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,    _______, _______, _______,    _______, _______, _______, _______,
      _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,                                  _______, _______, _______,
      _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,          _______,             _______,             _______, _______, _______, _______,
      _______, _______, _______,                            _______,                            _______, _______, _______, _______,    _______, _______, _______,    _______,          _______
  )
};