#include QMK_KEYBOARD_H
#include "debug.h"
#include "action_layer.h"
#include "version.h"

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

enum custom_keycodes {
  PLACEHOLDER = SAFE_RANGE, // can always be here
  EPRM,
  VRSN,
  RGB_SLD
};

const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
/* Keymap 0: Basic layer
 *
 * ,--------------------------------------------------.           ,--------------------------------------------------.
 * |   \    |   1  |   2  |   3  |   4  |   5  | ESC  |           |  T2  |   6  |   7  |   8  |   9  |   0  |   '    |
 * |--------+------+------+------+------+-------------|           |------+------+------+------+------+------+--------|
 * | Tab    |   Q  |   W  |   E  |   R  |   T  | TT1  |           |  TT1 |   Y  |   U  |   I  |   O  |   P  |   è    |
 * |--------+------+------+------+------+------|      |           |      |------+------+------+------+------+--------|
 * | Caps   |   A  |   S  |   D  |   F  |   G  |------|           |------|   H  |   J  |   K  |   L  |   ò  |   à    |
 * |--------+------+------+------+------+------| Alt  |           | Alt  |------+------+------+------+------+--------|
 * | LShift |   Z  |   X  |   C  |   V  |   B  |      |           |      |   N  |   M  |   ,  |   .  |   ù  |-/RShift|
 * `--------+------+------+------+------+-------------'           `-------------+------+------+------+------+--------'
 *   |</Win |   +  |   -  |   *  |//Ctr |                                       |ì/RAlt| Left | Down |  Up  | Right  | ~L1  |
 *   `----------------------------------'                                       `----------------------------------'
 *                                        ,-------------.       ,-------------.
 *                                        | Ins  | LGui |       | Win  | Ctrl |
 *                                 ,------|------|------|       |------+--------+------.
 *                                 |      |      | Home |       | PgUp |        |      |
 *                                 |Backsp| Del  |------|       |------|  Enter |Space |
 *                                 |ace   |      | End  |       | PgDn |        |      |
 *                                 `--------------------'       `----------------------'
 */
// If it accepts an argument (i.e, is a function), it doesn't need KC_.
// Otherwise, it needs KC_*
[BASE] = LAYOUT_ergodox(  // layer 0 : default
        // left hand
        KC_GRV,                      KC_1,         KC_2,   KC_3,   KC_4,   KC_5,   KC_ESC,
        KC_TAB,                      KC_Q,         KC_W,   KC_E,   KC_R,   KC_T,   TT(SYMB),
        KC_CAPS,                     KC_A,         KC_S,   KC_D,   KC_F,   KC_G,
        KC_LSFT,                     KC_Z,         KC_X,   KC_C,   KC_V,   KC_B,   KC_LALT, 
        MT(MOD_LGUI,KC_NONUS_BSLASH),KC_PPLS,      KC_PMNS,KC_PAST,MT(MOD_LCTL,KC_PSLS),
                                                           KC_INS,  KC_LGUI,
                                                                    KC_HOME,
                                                   KC_BSPC,KC_DEL,  KC_END,
        // right hand
             TG(MDIA),    KC_6,   KC_7,                 KC_8,   KC_9,   KC_0,      KC_MINS,
             TT(SYMB),    KC_Y,   KC_U,                 KC_I,   KC_O,   KC_P,      KC_LBRC,
                          KC_H,   KC_J,                 KC_K,   KC_L,   KC_SCLN,   KC_QUOT,
             KC_LALT,     KC_N,   KC_M,                 KC_COMM,KC_DOT, KC_BSLASH, MT(MOD_RSFT,KC_SLSH),
                                  MT(MOD_RALT,KC_EQL), KC_LEFT,KC_DOWN,KC_UP,     KC_RIGHT,
             KC_LGUI,     KC_RCTL,
             KC_PGUP,
             KC_PGDN,     KC_ENT, KC_SPC
    ),
/* Keymap 1: Symbol Layer
 *
 * ,--------------------------------------------------.           ,--------------------------------------------------.
 * |Version |  F1  |  F2  |  F3  |  F4  |  F5  |      |           |      |  F6  |  F7  |  F8  |  F9  |  F10 |   F11  |
 * |--------+------+------+------+------+-------------|           |------+------+------+------+------+------+--------|
 * |        |   !  |   @  |   {  |   }  |   |  |      |           |      |      |   7  |   8  |   9  |      |   F12  |
 * |--------+------+------+------+------+------|      |           |      |------+------+------+------+------+--------|
 * |        |   #  |   $  |   [  |   ]  |   &  |------|           |------|      |   4  |   5  |   6  |      |        |
 * |--------+------+------+------+------+------|      |           |      |------+------+------+------+------+--------|
 * |        |   %  |   ^  |   (  |   )  |      |      |           |      |      |   1  |   2  |   3  |      |        |
 * `--------+------+------+------+------+-------------'           `-------------+------+------+------+------+--------'
 *   |      |      |      |      |      |                                       |   .  |      |      |      |      |
 *   `----------------------------------'                                       `----------------------------------'
 *                                        ,-------------.       ,-------------.
 *                                        |      |      |       |      |      |
 *                                 ,------|------|------|       |------+------+------.
 *                                 |      |      |      |       |      |      |      |
 *                                 |      |      |------|       |------|      |  0   |
 *                                 |      |      |      |       |      |      |      |
 *                                 `--------------------'       `--------------------'
 */
// SYMBOLS
[SYMB] = LAYOUT_ergodox(
       // left hand
       M(0),    KC_F1,  KC_F2,  KC_F3,  KC_F4,  KC_F5,  KC_TRNS,
       KC_TRNS, KC_EXLM,                RALT(KC_SCLN), RALT(KC_LCBR), RALT(KC_RCBR), KC_TILD,  KC_TRNS,
       KC_TRNS, RALT(KC_QUOT),          KC_DLR,        RALT(KC_LBRC), RALT(KC_RBRC), KC_CIRC,
       KC_TRNS, KC_PERC,                LSFT(KC_EQL),  LSFT(KC_8),    LSFT(KC_9),    KC_TRNS,  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_F6,   KC_F7,  KC_F8,   KC_F9,   KC_F10,  KC_F11,
       KC_TRNS, KC_TRNS, KC_7,   KC_8,    KC_9,    KC_ASTR, KC_F12,
                KC_TRNS, KC_4,   KC_5,    KC_6,    KC_PLUS, KC_TRNS,
       KC_TRNS, KC_TRNS, KC_1,   KC_2,    KC_3,    KC_BSLS, KC_TRNS,
                         KC_DOT, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
       KC_TRNS, KC_TRNS,
       KC_TRNS,
       KC_TRNS, KC_TRNS, KC_0
),
/* Keymap 2: Media and mouse keys
 *
 * ,--------------------------------------------------.           ,--------------------------------------------------.
 * |        |      |      |      |      |      |      |           |      |      |      |      |      |      |        |
 * |--------+------+------+------+------+-------------|           |------+------+------+------+------+------+--------|
 * |        |      |      | MsUp |      |      |      |           |      | Lclk | Rclk |      |      |      |        |
 * |--------+------+------+------+------+------|      |           |      |------+------+------+------+------+--------|
 * |        |      |MsLeft|MsDown|MsRght|      |------|           |------|      |      |      |      |      |  Play  |
 * |--------+------+------+------+------+------|      |           |      |------+------+------+------+------+--------|
 * |        |      |      |      |      |      |      |           |      |      |      | Prev | Next |      |        |
 * `--------+------+------+------+------+-------------'           `-------------+------+------+------+------+--------'
 *   |      |      |      |      |      |                                       |VolUp |VolDn | Mute |      |      |
 *   `----------------------------------'                                       `----------------------------------'
 *                                        ,-------------.       ,-------------.
 *                                        |      |      |       |      |      |
 *                                 ,------|------|------|       |------+------+------.
 *                                 |      |      |      |       |      |      |Brwser|
 *                                 |      |      |------|       |------|      |Back  |
 *                                 |      |      |      |       |      |      |      |
 *                                 `--------------------'       `--------------------'
 */
// MEDIA AND MOUSE
[MDIA] = LAYOUT_ergodox(
       KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
       KC_TRNS, KC_TRNS, KC_TRNS, KC_MS_U, KC_TRNS, KC_TRNS, KC_TRNS,
       KC_TRNS, KC_TRNS, KC_MS_L, KC_MS_D, KC_MS_R, KC_TRNS,
       KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, 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_BTN1, KC_BTN2, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
                 KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_MPLY,
       KC_TRNS,  KC_TRNS, KC_TRNS, KC_MPRV, KC_MNXT, KC_TRNS, KC_TRNS,
                          KC_VOLU, KC_VOLD, KC_MUTE, KC_TRNS, KC_TRNS,
       KC_TRNS, KC_TRNS,
       KC_TRNS,
       KC_TRNS, KC_TRNS, KC_WBAK
),
};

const uint16_t PROGMEM fn_actions[] = {
    [1] = ACTION_LAYER_TAP_TOGGLE(SYMB)                // FN1 - Momentary Layer 1 (Symbols)
};

const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt)
{
  // MACRODOWN only works in this function
      switch(id) {
        case 0:
        if (record->event.pressed) {
          SEND_STRING (QMK_KEYBOARD "/" QMK_KEYMAP " @ " QMK_VERSION);
        }
        break;
        case 1:
        if (record->event.pressed) { // For resetting EEPROM
          eeconfig_init();
        }
        break;
      }
    return MACRO_NONE;
};

bool process_record_user(uint16_t keycode, keyrecord_t *record) {
  switch (keycode) {
    // dynamically generate these.
    case EPRM:
      if (record->event.pressed) {
        eeconfig_init();
      }
      return false;
      break;
    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 = biton32(layer_state);

    ergodox_board_led_off();
    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;
    }

};