#include QMK_KEYBOARD_H
#include "version.h"

//#define BASE 0 // default layer
//#define SYMB 1 // symbols
//#define MDIA 2 // media keys

enum custom_keycodes {
  VRSN = SAFE_RANGE,
  RGB_SLD
};

const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
/* Keymap 0: Basic layer
 *
 * ,--------------------------------------------------.           ,--------------------------------------------------.
 * |   =    |   1  |   2  |   3  |   4  |   5  | LEFT |           | RIGHT|   6  |   7  |   8  |   9  |   0  |   -    |
 * |--------+------+------+------+------+-------------|           |------+------+------+------+------+------+--------|
 * | Del    |   Q  |   W  |   E  |   R  |   T  |  L1  |           |  L1  |   Y  |   U  |   I  |   O  |   P  |   \    |
 * |--------+------+------+------+------+------|      |           |      |------+------+------+------+------+--------|
 * | BkSp   |   A  |   S  |   D  |   F  |   G  |------|           |------|   H  |   J  |   K  |   L  |; / L2|' / Cmd |
 * |--------+------+------+------+------+------| Hyper|           | Meh  |------+------+------+------+------+--------|
 * | LShift |Z/Ctrl|   X  |   C  |   V  |   B  |      |           |      |   N  |   M  |   ,  |   .  |//Ctrl| RShift |
 * `--------+------+------+------+------+-------------'           `-------------+------+------+------+------+--------'
 *   |Grv/L1|  '"  |AltShf| Left | Right|                                       |  Up  | Down |   [  |   ]  | ~L1  |
 *   `----------------------------------'                                       `----------------------------------'
 *                                        ,-------------.       ,-------------.
 *                                        | App  | LGui |       | Alt  |Ctrl/Esc|
 *                                 ,------|------|------|       |------+--------+------.
 *                                 |      |      | Home |       | PgUp |        |      |
 *                                 | Space|Backsp|------|       |------|  Tab   |Enter |
 *                                 |      |ace   | End  |       | PgDn |        |      |
 *                                 `--------------------'       `----------------------'
 */
// If it accepts an argument (i.e, is a function), it doesn't need KC_.
// Otherwise, it needs KC_*
[0] = LAYOUT_ergodox(  // layer 0 : default
        // left hand
        KC_EQL,         KC_1,         KC_2,   KC_3,   KC_4,   KC_5,   KC_LEFT,
        KC_DEL,         KC_Q,         KC_W,   KC_E,   KC_R,   KC_T,   TG(1),
        KC_BSPC,        KC_A,         KC_S,   KC_D,   KC_F,   KC_G,
        KC_LSFT,        CTL_T(KC_Z),  KC_X,   KC_C,   KC_V,   KC_B,   ALL_T(KC_NO),
        LT(1,KC_GRV),KC_QUOT,      LALT(KC_LSFT),  KC_LEFT,KC_RGHT,
                                              ALT_T(KC_APP),  KC_LGUI,
                                                              KC_HOME,
                                               KC_SPC,KC_BSPC,KC_END,
        // right hand
             KC_RGHT,     KC_6,   KC_7,  KC_8,   KC_9,   KC_0,             KC_MINS,
             TG(1),    KC_Y,   KC_U,  KC_I,   KC_O,   KC_P,             KC_BSLS,
                          KC_H,   KC_J,  KC_K,   KC_L,   LT(2, KC_SCLN),GUI_T(KC_QUOT),
             MEH_T(KC_NO),KC_N,   KC_M,  KC_COMM,KC_DOT, CTL_T(KC_SLSH),   KC_RSFT,
                                  KC_UP, KC_DOWN,KC_LBRC,KC_RBRC,          KC_FN1,
             KC_LALT,        CTL_T(KC_ESC),
             KC_PGUP,
             KC_PGDN,KC_TAB,KC_ENT
    ),
/* Keymap 1: Symbol Layer
 *
 * ,---------------------------------------------------.           ,--------------------------------------------------.
 * |Version  |  F1  |  F2  |  F3  |  F4  |  F5  |      |           |      |  F6  |  F7  |  F8  |  F9  |  F10 |   F11  |
 * |---------+------+------+------+------+------+------|           |------+------+------+------+------+------+--------|
 * |         |   !  |   @  |   {  |   }  |   |  |      |           |      |   Up |   7  |   8  |   9  |   *  |   F12  |
 * |---------+------+------+------+------+------|      |           |      |------+------+------+------+------+--------|
 * |         |   #  |   $  |   (  |   )  |   `  |------|           |------| Down |   4  |   5  |   6  |   +  |        |
 * |---------+------+------+------+------+------|      |           |      |------+------+------+------+------+--------|
 * |         |   %  |   ^  |   [  |   ]  |   ~  |      |           |      |   &  |   1  |   2  |   3  |   \  |        |
 * `---------+------+------+------+------+-------------'           `-------------+------+------+------+------+--------'
 * | EEP_RST  |      |      |      |      |                                       |      |    . |   0  |   =  |      |
 *   `-----------------------------------'                                       `----------------------------------'
 *                                        ,-------------.       ,-------------.
 *                                        |Animat|      |       |Toggle|Solid |
 *                                 ,------|------|------|       |------+------+------.
 *                                 |Bright|Bright|      |       |      |Hue-  |Hue+  |
 *                                 |ness- |ness+ |------|       |------|      |      |
 *                                 |      |      |      |       |      |      |      |
 *                                 `--------------------'       `--------------------'
 */
// SYMBOLS
[1] = LAYOUT_ergodox(
       // left hand
       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,
       // right hand
       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
),
/* Keymap 2: Media and mouse keys
 *
 * ,--------------------------------------------------.           ,--------------------------------------------------.
 * |        |      |      |      |      |      |      |           |      |      |      |      |      |      |        |
 * |--------+------+------+------+------+-------------|           |------+------+------+------+------+------+--------|
 * |        |      |      | MsUp |      |      |      |           |      |      |      |      |      |      |        |
 * |--------+------+------+------+------+------|      |           |      |------+------+------+------+------+--------|
 * |        |      |MsLeft|MsDown|MsRght|      |------|           |------|      |      |      |      |      |  Play  |
 * |--------+------+------+------+------+------|      |           |      |------+------+------+------+------+--------|
 * |        |      |      |      |      |      |      |           |      |      |      | Prev | Next |      |        |
 * `--------+------+------+------+------+-------------'           `-------------+------+------+------+------+--------'
 *   |      |      |      | Lclk | Rclk |                                       |VolUp |VolDn | Mute |      |      |
 *   `----------------------------------'                                       `----------------------------------'
 *                                        ,-------------.       ,-------------.
 *                                        |      |      |       |      |      |
 *                                 ,------|------|------|       |------+------+------.
 *                                 |      |      |      |       |      |      |Brwser|
 *                                 |      |      |------|       |------|      |Back  |
 *                                 |      |      |      |       |      |      |      |
 *                                 `--------------------'       `--------------------'
 */
// MEDIA AND MOUSE
[2] = LAYOUT_ergodox(
       // left hand
       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,
       // right hand
       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
),
[3] = LAYOUT_ergodox(
       // left hand
       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,
       // right hand
       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
),
};

bool process_record_user(uint16_t keycode, keyrecord_t *record) {
  switch (keycode) {
    // dynamically generate these.
    case VRSN:
      if (record->event.pressed) {
        SEND_STRING (QMK_KEYBOARD "/" QMK_KEYMAP " @ " QMK_VERSION);
      }
      return false;
      break;
    case RGB_SLD:
      if (record->event.pressed) {
        #ifdef RGBLIGHT_ENABLE
          rgblight_mode(1);
        #endif
      }
      return false;
      break;
  }
  return true;
}

// Runs just one time when the keyboard initializes.
void matrix_init_user(void) {

};


// Runs constantly in the background, in a loop.
void matrix_scan_user(void) {

    uint8_t layer = get_highest_layer(layer_state);

    ergodox_right_led_1_off();
    ergodox_right_led_2_off();
    ergodox_right_led_3_off();
    switch (layer) {
      // TODO: Make this relevant to the ErgoDox EZ.
        case 1:
            ergodox_right_led_1_on();
            break;
        case 2:
            ergodox_right_led_2_on();
            break;
        default:
            // none
            break;
    }
};