/*
Copyright 2020 Jonathon Carstens jonathon@lizardtrick.com

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 names for use in layer keycodes and the keymap
enum layer_names {
    _BASE,
    _TG1,
};

const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
    /*
     *
     *  Left    Middle  Right
     *  VolDn   PgDn    Alt+Tab    (Rotary Counterclockwise)
     *  VolUp   PgUp    Tab        (Rotary Clockwise)
     *  Mute    Play    Next       (Rotary Click)
     *
     *
     *
     *   ┌───┬───┬───┬───┐
     *   │TG1│ / │ * │ - │
     *   ├───┼───┼───┼───┤
     *   │ 7 │ 8 │ 9 │   │
     *   ├───┼───┼───┤ + │
     *   │ 4 │ 5 │ 6 │   │
     *   ├───┼───┼───┼───┤
     *   │ 1 │ 2 │ 3 │   │
     *   ├───┴───┼───┤Ent│
     *   │   0   │ . │   │
     *   └───────┴───┴───┘
     */

    [_BASE] = LAYOUT(
        KC_MUTE,  KC_MPLY,  KC_MNXT,
        TG(1),    KC_SLSH,  KC_ASTR,  KC_MINS,
        KC_7,     KC_8,     KC_9,     KC_PLUS,
        KC_4,     KC_5,     KC_6,
        KC_1,     KC_2,     KC_3,     KC_ENT,
        KC_0,               KC_DOT
    ),

    /*
     *
     * ┌─────────┬─────────┬─────────┬─────────┐
     * │   TG1   │    /    │    *    │    -    │
     * ├─────────┼─────────┼─────────┼─────────┤
     * │  Alt 7  │  Alt 8  │  Alt 9  │         │
     * ├─────────┼─────────┼─────────┤    +    │
     * │  Alt 4  │  Alt 5  │  Alt 6  │         │
     * ├─────────┼─────────┼─────────┼─────────┤
     * │  Alt 1  │  Alt 2  │  Alt 3  │         │
     * ├─────────┴─────────┼─────────┤   Ent   │
     * │      Escape       │   Del   │         │
     * └───────────────────┴─────────┴─────────┘
     */

    [_TG1] = LAYOUT(
        _______,        _______,        _______,
        _______,     _______,   _______,   _______,
        A(KC_7),     A(KC_8),   A(KC_9),   _______,
        A(KC_4),     A(KC_5),   A(KC_6),
        A(KC_1),     A(KC_2),   A(KC_3),   _______,
        KC_ESC,                 KC_DEL
    )
};

bool encoder_update_user(uint8_t index, bool clockwise) {
    if (index == 0) {           /* Left Encoder */
        if (clockwise) {
            tap_code16(KC_VOLU);
        } else {
            tap_code16(KC_VOLD);
        }
    } else if (index == 1) {    /* Middle Encoder */
        if (clockwise) {
            tap_code16(KC_PGDN);
        } else {
            tap_code16(KC_PGUP);
        }
    } else if (index == 2) {    /* Right Encoder */
        if (clockwise) {
            tap_code16(KC_TAB);
        } else {
            tap_code16(S(KC_TAB));
        }
    }
    return true;
}