/* Copyright 2019
 *
 * 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 layers {
    _QWERTY = 0,
    _LOWER,
    _RAISE,
    _ADJUST,
};

#define LOWER  MO(_LOWER)
#define RAISE  MO(_RAISE)

const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
    /* Qwerty
     * ,-----------------------------------------------------------------------------------.
     * | 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 |
     * |------+------+------+------+------+------+------+------+------+------+------+------|
     * |      | Ctrl | Alt  | GUI  |Lower |Space |Space |Raise | Left | Down |  Up  |Right |
     * `-----------------------------------------------------------------------------------'
     */
    [_QWERTY] = LAYOUT_ortho_4x12(
        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, KC_ENT,
        _______, KC_LCTL, KC_LALT, KC_LGUI, LOWER,   KC_SPC,  KC_SPC,  RAISE,   KC_LEFT, KC_DOWN, KC_UP,   KC_RGHT
    ),

    /* Lower
     * ,-----------------------------------------------------------------------------------.
     * |   ~  |   !  |   @  |   #  |   $  |   %  |   ^  |   &  |   *  |   (  |   )  | Bksp |
     * |------+------+------+------+------+-------------+------+------+------+------+------|
     * | Del  |  F1  |  F2  |  F3  |  F4  |  F5  |  F6  |   _  |   +  |     |    \  |  |   |
     * |------+------+------+------+------+------|------+------+------+------+------+------|
     * |      |  F7  |  F8  |  F9  |  F10 |  F11 |  F12 |ISO ~ |ISO | |      |      |      |
     * |------+------+------+------+------+------+------+------+------+------+------+------|
     * |      |      |      |      |      |      |      |      | 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_BSPC,
        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_MNXT,    KC_VOLD, KC_VOLU, KC_MPLY
    ),

    /* Raise
     * ,-----------------------------------------------------------------------------------.
     * |   `  |   1  |   2  |   3  |   4  |   5  |   6  |   7  |   8  |   9  |   0  | Bksp |
     * |------+------+------+------+------+-------------+------+------+------+------+------|
     * | Del  |  F1  |  F2  |  F3  |  F4  |  F5  |  F6  |   -  |   =  |   [  |   ]  |  \   |
     * |------+------+------+------+------+------|------+------+------+------+------+------|
     * |      |  F7  |  F8  |  F9  |  F10 |  F11 |  F12 |ISO # |ISO / |      |      |      |
     * |------+------+------+------+------+------+------+------+------+------+------+------|
     * |      |      |      |      |      |      |      |      | 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_BSPC,
        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_MNXT, KC_VOLD, KC_VOLU, KC_MPLY
    ),

    /* Adjust (Lower + Raise)
     * ,-----------------------------------------------------------------------------------.
     * |      | Reset|      |      |      |      |      |      |      |      |      |  Del |
     * |------+------+------+------+------+-------------+------+------+------+------+------|
     * |      |      |BL Tog|BL Mod|      |      |      |      |      |      |      |      |
     * |------+------+------+------+------+------|------+------+------+------+------+------|
     * |      |      |RGBTog|RGBMod|      |      |      |      |      |      |      |      |
     * |------+------+------+------+------+------+------+------+------+------+------+------|
     * |      |      |      |      |      |      |      |      |      |      |      |      |
     * `-----------------------------------------------------------------------------------'
     */
    [_ADJUST] =  LAYOUT_ortho_4x12(
        _______, QK_BOOT, _______, _______, _______, _______, _______, _______, _______, _______, _______, KC_DEL,
        _______, _______, BL_TOGG, BL_STEP, _______, _______, _______, _______, _______, _______, _______, _______,
        _______, _______, RGB_TOG, RGB_MOD, _______, _______, _______, _______, _______, _______, _______, _______,
        _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______
    )
};

layer_state_t layer_state_set_user(layer_state_t state) {
    return update_tri_layer_state(state, _LOWER, _RAISE, _ADJUST);
}