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

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

const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
/* Keymap 0: Basic layer
 *
 * ,--------------------------------------------------.           ,--------------------------------------------------.
 * | Sleep  |   1  |   2  |   3  |   4  |   5  |  [   |           |  ]   |   6  |   7  |   8  |   9  |   0  |  BkSp  |
 * |--------+------+------+------+------+-------------|           |------+------+------+------+------+------+--------|
 * | Esc    |   Q  |   W  |   E  |   R  |   T  |  -   |           |  =   |   Y  |   U  |   I  |   O  |   P  |   \    |
 * |--------+------+------+------+------+------|      |           |      |------+------+------+------+------+--------|
 * |Ctrl/Esc|   A  | S/Sft| D/Ctl| F/Alt|   G  |------|           |------|   H  | J/Alt| K/Ctl| L/Sft|   ;  |   '    |
 * |--------+------+------+------+------+------| Hyper|           | Meh  |------+------+------+------+------+--------|
 * | LShift |   Z  |   X  |   C  |   V  |   B  |      |           |      |   N  |   M  |   ,  |   .  |   /  | RShift |
 * `--------+------+------+------+------+-------------'           `-------------+------+------+------+------+--------'
 *   | ~L1  | Alt  |AltShf| Left | Right|                                       |  Up  | Down |AltShf|  Alt | ~L1  |
 *   `----------------------------------'                                       `----------------------------------'
 *                                        ,-------------.       ,-------------.
 *                                        | App  | Home |       | PgUp |Ctrl/Esc|
 *                                 ,------|------|------|       |------+--------+------.
 *                                 |      |      | End  |       | PgDn |        |      |
 *                                 |Space | LGui |------|       |------|  Tab   |Enter |
 *                                 |      |      | ~L2  |       | ~L1  |        |      |
 *                                 `--------------------'       `----------------------'
 */
// 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_SLEP,       KC_1,    KC_2,          KC_3,         KC_4,         KC_5, KC_LBRC,
        KC_ESC,        KC_Q,    KC_W,          KC_E,         KC_R,         KC_T, KC_MINS,
        CTL_T(KC_ESC), KC_A,    LSFT_T(KC_S),  LCTL_T(KC_D), LALT_T(KC_F), KC_G,
        KC_LSFT,       KC_Z,    KC_X,          KC_C,         KC_V,         KC_B, ALL_T(KC_NO),
        MO(SYMB),      KC_LALT, LALT(KC_LSFT), KC_LEFT,      KC_RGHT,

                                               ALT_T(KC_APP), KC_HOME,
                                                              KC_END,
                                               KC_SPC,KC_LGUI,MO(MDIA),
        // right hand
             KC_RBRC,      KC_6,   KC_7,         KC_8,          KC_9,         KC_0,     KC_BSPC,
             KC_EQL,       KC_Y,   KC_U,         KC_I,          KC_O,         KC_P,     KC_BSLS,
                           KC_H,   RALT_T(KC_J), RCTL_T(KC_K),  RSFT_T(KC_L), KC_SCLN,  KC_QUOT,
             MEH_T(KC_NO), KC_N,   KC_M,         KC_COMM,       KC_DOT,       KC_SLSH,  KC_RSFT,
                           KC_UP,  KC_DOWN,      RALT(KC_RSFT), KC_RALT,      MO(SYMB),

             KC_PGUP,         CTL_T(KC_ESC),
             KC_PGDN,
             MO(SYMB),KC_TAB, KC_ENT
    ),
/* Keymap 1: Symbol Layer
 *
 * ,--------------------------------------------------.           ,--------------------------------------------------.
 * |        |      |      |      |      |      |      |           |      |      |      |      |      |      |        |
 * |--------+------+------+------+------+-------------|           |------+------+------+------+------+------+--------|
 * |        |   !  |   @  |   {  |   }  |   |  |      |           |      |   Up |   7  |   8  |   9  |   *  |        |
 * |--------+------+------+------+------+------|      |           |      |------+------+------+------+------+--------|
 * |        |   #  |   $  |   (  |   )  |   `  |------|           |------| Down |   4  |   5  |   6  |   +  |        |
 * |--------+------+------+------+------+------|      |           |      |------+------+------+------+------+--------|
 * |        |   %  |   ^  |   [  |   ]  |   ~  |      |           |      |   &  |   1  |   2  |   3  |   \  |        |
 * `--------+------+------+------+------+-------------'           `-------------+------+------+------+------+--------'
 *   |      |      |      |      |      |                                       |   0  |   0  |   .  |   =  |      |
 *   `----------------------------------'                                       `----------------------------------'
 *                                        ,-------------.       ,-------------.
 *                                        |      |      |       |      |      |
 *                                 ,------|------|------|       |------+------+------.
 *                                 |      |      |      |       |      |      |      |
 *                                 |      |      |------|       |------|      |      |
 *                                 |      |      |      |       |      |      |      |
 *                                 `--------------------'       `--------------------'
 */
// SYMBOLS
[SYMB] = LAYOUT_ergodox(
       // left hand
       KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,KC_TRNS,
       KC_TRNS,KC_EXLM,KC_AT,  KC_LCBR,KC_RCBR,KC_PIPE,KC_TRNS,
       KC_TRNS,KC_HASH,KC_DLR, KC_LPRN,KC_RPRN,KC_GRV,
       KC_TRNS,KC_PERC,KC_CIRC,KC_LBRC,KC_RBRC,KC_TILD,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_UP,   KC_7,   KC_8,    KC_9,    KC_ASTR, KC_TRNS,
                KC_DOWN, KC_4,   KC_5,    KC_6,    KC_PLUS, KC_TRNS,
       KC_TRNS, KC_AMPR, KC_1,   KC_2,    KC_3,    KC_BSLS, KC_TRNS,
                         KC_0,   KC_0,    KC_DOT,  KC_EQL,  KC_TRNS,
       KC_TRNS, KC_TRNS,
       KC_TRNS,
       KC_TRNS, KC_TRNS, KC_TRNS
),
/* Keymap 2: Media and mouse keys
 *
 * ,--------------------------------------------------.           ,--------------------------------------------------.
 * |        |  F1  |  F2  |  F3  |  F4  |  F5  |      |           |      |  F6  |  F7  |  F8  |  F9  |  F10 |   F11  |
 * |--------+------+------+------+------+-------------|           |------+------+------+------+------+------+--------|
 * |        |      |      |      |      |      |      |           |      |      |      | Lclk | Rclk |      |   F12  |
 * |--------+------+------+------+------+------|      |           |      |------+------+------+------+------+--------|
 * |        |      |      |      |      |      |------|           |------|MsLeft|MsDown| MsUp |MsRght|      |        |
 * |--------+------+------+------+------+------|      |           |      |------+------+------+------+------+--------|
 * |        |      |      |      |      |      |      |           |      |      | Prev | Play | Next |      |        |
 * `--------+------+------+------+------+-------------'           `-------------+------+------+------+------+--------'
 *   |      |      |      |      |      |                                       |VolUp |VolDn | Mute |      |      |
 *   `----------------------------------'                                       `----------------------------------'
 *                                        ,-------------.       ,-------------.
 *                                        |      |      |       |      |      |
 *                                 ,------|------|------|       |------+------+------.
 *                                 |      |      |      |       |      |      |Brwser|
 *                                 |      |      |------|       |------|      |Back  |
 *                                 |      |      |      |       |      |      |      |
 *                                 `--------------------'       `--------------------'
 */
// MEDIA AND MOUSE
[MDIA] = LAYOUT_ergodox(
       KC_TRNS, KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_TRNS,
       KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
       KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
       KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, 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_TRNS, KC_BTN1, KC_BTN2, KC_TRNS, KC_F12,
                 KC_MS_L, KC_MS_D, KC_MS_U, KC_MS_R, KC_TRNS, KC_TRNS,
       KC_TRNS,  KC_TRNS, KC_MPRV, KC_MPLY, 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
),
};

// 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;
    }

};