#include QMK_KEYBOARD_H
#include <stdio.h>

#define SY_EQL LT(_SYMBOL, KC_EQL)
#define SY_MIN LT(_SYMBOL, KC_MINS)
#define SY_SPC LT(_SYMBOL, KC_SPC)
#define G_COMM LGUI_T(KC_COMM)
#define A_DOT  LALT_T(KC_DOT)
#define ADJ    MO(_ADJUST)

enum layer_names {
    _QWERTY,
    _SYMBOL,
    _ADJUST
};

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

/* QWERTY
 * ,-----------------------------------------.                    ,-----------------------------------------.
 * | ESC  |   1  |   2  |   3  |   4  |   5  |                    |   6  |   7  |   8  |   9  |   0  | Del  |
 * |------+------+------+------+------+------|                    |------+------+------+------+------+------|
 * | Tab  |   Q  |   W  |   E  |   R  |   T  |                    |   Y  |   U  |   I  |   O  |   P  |  \   |
 * |------+------+------+------+------+------|                    |------+------+------+------+------+------|
 * | Ctrl |   A  |   S  |   D  |   F  |   G  |-------.    ,-------|   H  |   J  |   K  |   L  |   ;  |  '   |
 * |------+------+------+------+------+------| SYM = |    | SYM - |------+------+------+------+------+------|
 * | Shift|   Z  |   X  |   C  |   V  |   B  |-------|    |-------|   N  |   M  |   ,  |   .  |   /  | Shift|
 * `-----------------------------------------/       /     \ Shift\-----------------------------------------'
 *                   |  ADJ |  Alt |  Cmd | / Space /       \ Enter\  | Bksp | Left | Right|
 *                   |      |      |   ,  |/       /         \      \ |      |      |      |
 *                   `----------------------------'           '------''--------------------'
 */

 [_QWERTY] = LAYOUT(
  KC_ESC,   KC_1,   KC_2,    KC_3,    KC_4,    KC_5,                       KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_DEL,
  KC_TAB,   KC_Q,   KC_W,    KC_E,    KC_R,    KC_T,                       KC_Y,    KC_U,    KC_I,    KC_O,    KC_P,    KC_BSLS,
  KC_LCTL,  KC_A,   KC_S,    KC_D,    KC_F,    KC_G,                       KC_H,    KC_J,    KC_K,    KC_L,    KC_SCLN, KC_QUOT,
  KC_LSFT,  KC_Z,   KC_X,    KC_C,    KC_V,    KC_B,   SY_EQL,    SY_MIN,  KC_N,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_RSFT,
                             ADJ,     KC_LALT, G_COMM, KC_SPC,    SC_SENT, KC_BSPC, KC_LEFT, KC_RGHT
),
/* SYMBOL
 * ,-----------------------------------------.                    ,-----------------------------------------.
 * |   `  |  F1  |  F2  |  F3  |  F4  |  F5  |                    |  F6  |  F7  |  F8  |  F9  | F10  | Del  |
 * |------+------+------+------+------+------|                    |------+------+------+------+------+------|
 * |      |   !  |   @  |   {  |   }  |   |  |                    |  &   |   +  |  up  |      |      |      |
 * |------+------+------+------+------+------|                    |------+------+------+------+------+------|
 * |      |   #  |   $  |   (  |   )  |   `  |-------.    ,-------|  =   | left | down |right |      |      |
 * |------+------+------+------+------+------|       |    |       |------+------+------+------+------+------|
 * |      |   %  |   ^  |   [  |   ]  |   ~  |-------|    |-------|  *   |   -  |      |      |      |      |
 * `-----------------------------------------/       /     \      \-----------------------------------------'
 *                   |      |      |      | /       /       \      \  |      | Home | End  |
 *                   |      |      |      |/       /         \      \ |      |      |      |
 *                   `----------------------------'           '------''--------------------'
 */
[_SYMBOL] = LAYOUT(
  KC_GRV,  KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,                     KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_DEL,
  _______, KC_EXLM, KC_AT,   KC_LCBR, KC_RCBR, KC_PIPE,                   KC_AMPR, KC_PPLS, KC_UP,   XXXXXXX, XXXXXXX, XXXXXXX,
  _______, KC_NUHS, KC_DLR,  KC_LPRN, KC_RPRN, KC_GRV,                    KC_PEQL, KC_LEFT, KC_DOWN, KC_RGHT, XXXXXXX, XXXXXXX,
  _______, KC_PERC, KC_CIRC, KC_LBRC, KC_RBRC, KC_TILD, _______, _______, KC_ASTR, KC_MINS, XXXXXXX, XXXXXXX, XXXXXXX, _______,
                             _______, _______, _______, _______, _______, _______, KC_HOME, KC_END
),
/* ADJUST
 * ,-----------------------------------------.                    ,-----------------------------------------.
 * |  RST |      |      |      |      |      |                    |      |      |      |      |      | RST  |
 * |------+------+------+------+------+------|                    |------+------+------+------+------+------|
 * |      |      |      |      |      |  V+  |                    |  Br+ |      |      |      |      |      |
 * |------+------+------+------+------+------|                    |------+------+------+------+------+------|
 * |      |      |      |      |      |  V-  |-------.    ,-------|  Br- |  <<  | play |  >>  |      |      |
 * |------+------+------+------+------+------|       |    |       |------+------+------+------+------+------|
 * |      |      |      |      |      | Mute |-------|    |-------|      |      |      |      |      |      |
 * `-----------------------------------------/       /     \      \-----------------------------------------'
 *                   |      |      |      | /       /       \      \  |      |      |      |
 *                   |      |      |      |/       /         \      \ |      |      |      |
 *                   `----------------------------'           '------''--------------------'
 */
[_ADJUST] = LAYOUT(
  EE_CLR,  XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,                   XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, EE_CLR,
  XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, KC_VOLU,                   KC_BRIU, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
  XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, KC_VOLD,                   KC_BRID, KC_MRWD, KC_MPLY, KC_MFFD, XXXXXXX, XXXXXXX,
  XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, KC_MUTE, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
                             _______, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX
)
};

bool get_hold_on_other_key_press(uint16_t keycode, keyrecord_t *record) {
    switch (keycode) {
        case SY_SPC:
            return false;
        case QK_MOD_TAP ... QK_MOD_TAP_MAX:
            return true;
        default:
            return false;
    }
}

#ifdef OLED_ENABLE
oled_rotation_t oled_init_user(oled_rotation_t rotation) {
  if (!is_keyboard_master())
    return OLED_ROTATION_180;
  return rotation;
}

const char *read_layer_state(void);
const char *read_logo(void);
char wpm_str[10];

bool oled_task_user(void) {
  if (is_keyboard_master()) {
    oled_write_ln(read_layer_state(), false);

    sprintf(wpm_str, "WPM:%03d", get_current_wpm());
    oled_write_ln(wpm_str, false);
  } else {
    oled_write_ln(read_logo(), false);
  }
  return false;
}
#endif // OLED_ENABLE