/* Copyright 2020 Moritz Plattner
 *
 * 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

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

    [0] = LAYOUT_iso(    /* keymap for layer 0 */
        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_MPLY,
        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_HOME,
        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_PGUP,
        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_PGDN,
        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_END,
        KC_LCTL, KC_LGUI, KC_LALT,                            KC_SPC,                    KC_RALT, LT(1, KC_APP),    KC_LEFT, KC_DOWN,  KC_RGHT),

    [1] = LAYOUT_iso(    /* keymap for layer 1 */
        RGB_TOG, RGB_VAD, RGB_VAI, BL_DOWN, BL_UP,   RGB_HUD, RGB_HUI, RGB_SAD, RGB_SAI, RGB_RMOD, RGB_MOD, RGB_SPD, RGB_SPI, RGB_M_P, KC_MUTE,
        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,  KC_TRNS, KC_TRNS, KC_TRNS, KC_DEL,  KC_INS,
        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,  KC_TRNS, KC_TRNS, KC_TRNS,          KC_TRNS,
        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,  KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,  KC_TRNS, KC_TRNS, MO(2),   KC_TRNS, KC_TRNS,
        KC_TRNS, KC_TRNS, KC_TRNS,                            KC_TRNS,                   KC_TRNS,  LT(1, KC_APP),    KC_TRNS, KC_TRNS, KC_TRNS),

    [2] = LAYOUT_iso(    /* keymap for layer 2 */
        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,  KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,  KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, QK_BOOT,
        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,  KC_TRNS, KC_TRNS, KC_TRNS,          KC_TRNS,
        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,  KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,  KC_TRNS, KC_TRNS, MO(2),   KC_TRNS, KC_TRNS,
        KC_TRNS, KC_TRNS, KC_TRNS,                            KC_TRNS,                   KC_TRNS,  LT(1, KC_APP),    KC_TRNS, KC_TRNS, KC_TRNS),

    [3] = LAYOUT_iso(    /* keymap for layer 3 */
        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,  KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,  KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,  KC_TRNS, KC_TRNS, KC_TRNS,          KC_TRNS,
        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,  KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,  KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
        KC_TRNS, KC_TRNS, KC_TRNS,                            KC_TRNS,                   KC_TRNS,  KC_TRNS,          KC_TRNS, KC_TRNS, KC_TRNS),
};

/* Encoder */
bool encoder_update_user(uint8_t index, bool clockwise) {
/* The first if reads the first encoder, not needed on this board which only features a single one */
    if (index == 0) {
        /* The switch case allows for different encoder mappings on different layers, "default" map gets applied for all unspecified layers */
        switch(get_highest_layer(layer_state)){
            case 2:
                if (clockwise) {
                tap_code(KC_BRIU);
                } else {
                tap_code(KC_BRID);
                }
                break;
            case 1:
                if (clockwise) {
                tap_code(KC_MNXT);
                } else {
                tap_code(KC_MPRV);
                }
                break;
            default:
                if (clockwise){
                    tap_code(KC_VOLU);
                } else{
                    tap_code(KC_VOLD);
                }
                break;
        }
    }
    return true;
}