#include QMK_KEYBOARD_H
#ifdef PROTOCOL_LUFA
#include "lufa.h"
#include "split_util.h"
#endif

extern keymap_config_t keymap_config;

#ifdef RGBLIGHT_ENABLE
//Following line allows macro to read current RGB settings
extern rgblight_config_t rgblight_config;
#endif

// Each layer gets a name for readability, which is then used in the keymap matrix below.
// The underscores don't mean anything - you can have a layer called STUFF or any other name.
// Layer names don't all need to be of the same length, obviously, and you can also skip them
// entirely and just use numbers.
enum layer_number {
    _QWERTY = 0,
    _COLEMAK,
    _FN,
    _ADJ
};

enum custom_keycodes {
  QWERTY = SAFE_RANGE,
  COLEMAK,
  FN,
  ADJ,
  BACKLIT,
  RGBRST
};

enum macro_keycodes {
  KC_SAMPLEMACRO,
};

// Define your non-alpha grouping in this define's LAYOUT, and all your BASE_LAYERS will share the same mod/macro columns
  /* Base Layout
   * ,------------------------------------------------.  ,------------------------------------------------.
   * | Esc  |   1  |   2  |   3  |   4  |   5  |   -  |  |   =  |   6  |   7  |   8  |   9  |   0  |  Del |
   * |------+------+------+------+------+------|------|  |------|------+------+------+------+------+------|
   * | Tab  |      |      |      |      |      |   [  |  |   ]  |      |      |      |      |      | Enter|
   * |------+------+------+------+------+------|------|  |------|------+------+------+------+------+------|
   * | Caps |      |      |      |      |      |   {  |  |   }  |      |      |      |      |      |   '  |
   * |------+------+------+------+------+------+------|  |------+------+------+------+------+------+------|
   * |Shift |      |      |      |      |      |   `  |  |   \  |      |      |      |      |      |Shift |
   * |------+------+------+------+------+------+------|  |------+------+------+------+------+------+------|
   * | Left | Down | Ctrl |  Alt |  Gui | Bspc |  FN  |  |  ADJ | Space|  Gui |  Alt | Ctrl |  Up  |Right |
   * |------+------+------+------+------+------+------|  |------+------+------+------+------+------+------'
   *                                    | Bspc |  FN  |  |  ADJ | Space|
   *                                    `-------------'  `-------------'
   */
#define BASE_LAYOUT( \
  _00, _01, _02, _03, _04,  _05, _06, _07, _08, _09, \
  _10, _11, _12, _13, _14,  _15, _16, _17, _18, _19, \
  _20, _21, _22, _23, _24,  _25, _26, _27, _28, _29 \
) \
LAYOUT( \
      KC_ESC,  KC_1,    KC_2,     KC_3,    KC_4,    KC_5,    KC_MINS,  KC_EQL,  KC_6,    KC_7,    KC_8,    KC_9,     KC_0,    KC_DEL,   \
      KC_TAB,  _00,     _01,      _02,     _03,     _04,     KC_LBRC,  KC_RBRC, _05,     _06,     _07,     _08,      _09,     KC_ENT,   \
      KC_CAPS, _10,     _11,      _12,     _13,     _14,     KC_LCBR,  KC_RCBR, _15,     _16,     _17,     _18,      _19,     KC_QUOT,  \
      KC_LSFT, _20,     _21,      _22,     _23,     _24,     KC_GRV,   KC_BSLS, _25,     _26,     _27,     _28,      _29,     KC_RSFT,  \
      KC_LEFT, KC_DOWN, KC_LCTRL, KC_LALT, KC_LGUI, KC_BSPC, FN,       ADJ,     KC_SPC,  KC_RGUI, KC_RALT, KC_RCTRL, KC_UP,   KC_RIGHT, \
                                                    KC_BSPC, FN,       ADJ,     KC_SPC \
)

const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
  /* Qwerty
   * ,------------------------------------------------.  ,------------------------------------------------.
   * |      |      |      |      |      |      |      |  |      |      |      |      |      |      |      |
   * |------+------+------+------+------+------|------|  |------|------+------+------+------+------+------|
   * |      |   Q  |   W  |   E  |   R  |   T  |      |  |      |   Y  |   U  |   I  |   O  |   P  |      |
   * |------+------+------+------+------+------|------|  |------|------+------+------+------+------+------|
   * |      |   A  |   S  |   D  |   F  |   G  |      |  |      |   H  |   J  |   K  |   L  |   ;  |      |
   * |------+------+------+------+------+------+------|  |------+------+------+------+------+------+------|
   * |      |   Z  |   X  |   C  |   V  |   B  |      |  |      |   N  |   M  |   ,  |   .  |   /  |      |
   * |------+------+------+------+------+------+------|  |------+------+------+------+------+------+------|
   * |      |      |      |      |      |      |      |  |      |      |      |      |      |      |      |
   * `------+------+------+------+------+------+------|  |------+------+------+------+------+------+------'
   *                                    |      |      |  |      |      |
   *                                    `-------------'  `-------------'
   */
  [_QWERTY] = BASE_LAYOUT( \
      KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,    KC_Y,    KC_U,    KC_I,    KC_O,    KC_P,    \
      KC_A,    KC_S,    KC_D,    KC_F,    KC_G,    KC_H,    KC_J,    KC_K,    KC_L,    KC_SCLN, \
      KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_N,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH  \
  ),

  /* Colemak
   * ,------------------------------------------------.  ,------------------------------------------------.
   * |      |      |      |      |      |      |      |  |      |      |      |      |      |      |      |
   * |------+------+------+------+------+------|------|  |------|------+------+------+------+------+------|
   * |      |   Q  |   W  |   F  |   P  |   G  |      |  |      |   J  |   L  |   U  |   Y  |   ;  |      |
   * |------+------+------+------+------+------|------|  |------|------+------+------+------+------+------|
   * |      |   A  |   R  |   S  |   T  |   D  |      |  |      |   H  |   N  |   E  |   I  |   O  |      |
   * |------+------+------+------+------+------+------|  |------+------+------+------+------+------+------|
   * |      |   Z  |   X  |   C  |   V  |   B  |      |  |      |   K  |   M  |   ,  |   .  |   /  |      |
   * |------+------+------+------+------+------+------|  |------+------+------+------+------+------+------|
   * |      |      |      |      |      |      |      |  |      |      |      |      |      |      |      |
   * `------+------+------+------+------+------+------|  |------+------+------+------+------+------+------'
   *                                    |      |      |  |      |      |
   *                                    `-------------'  `--------=----'
   */
  [_COLEMAK] = BASE_LAYOUT( \
      KC_Q,    KC_W,    KC_F,    KC_P,    KC_B,   KC_J,    KC_L,    KC_U,    KC_Y,    KC_SCLN, \
      KC_A,    KC_R,    KC_S,    KC_T,    KC_G,   KC_K,    KC_N,    KC_E,    KC_I,    KC_O,    \
      KC_Z,    KC_X,    KC_C,    KC_D,    KC_V,   KC_M,    KC_H,    KC_COMM, KC_DOT,  KC_SLSH  \
  ),


  /* FN
   * ,------------------------------------------------.  ,------------------------------------------------.
   * |      |  F1  |  F2  |  F3  |  F4  |  F5  |  F6  |  |  F7  |  F8  |  F9  |  F10 |  F11 |  F12 |      |
   * |------+------+------+------+------+------|------|  |------|------+------+------+------+------+------|
   * |      |      |      |      |      |      |      |  |      |      | PGDN |  UP  | PGUP | PRINT| HOME |
   * |------+------+------+------+------+------|------|  |------|------+------+------+------+------+------|
   * |      |      |      |      |      |      |      |  |      |      | LEFT | DOWN | RIGHT|INSERT| END  |
   * |------+------+------+------+------+------+------|  |------+------+------+------+------+------+------|
   * |Shift |      |      |      |      |      |      |  |      | PLAY | MUTE | VOL- | VOL+ | LAST | NEXT |
   * |------+------+------+------+------+------+------|  |------+------+------+------+------+------+------|
   * |      |      |      |      |  Gui |      |      |  |      |      |      |      |      |      |      |
   * `------+------+------+------+------+------+------|  |------+------+------+------+------+------+------'
   *                                    |      |      |  |      |      |
   *                                    `-------------'  `-------------'
   */
  [_FN] = LAYOUT( \
      XXXXXXX, KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12,  XXXXXXX, \
      XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, KC_PGDN, KC_UP,   KC_PGUP, KC_PSCR, KC_HOME, \
      XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, KC_LEFT, KC_DOWN, KC_RGHT, KC_INS,  KC_END,  \
      _______, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, KC_MPLY, KC_MUTE, KC_VOLD, KC_VOLU, KC_MRWD, KC_MFFD, \
      XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, _______, XXXXXXX, _______, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, \
                                                   XXXXXXX, _______, XXXXXXX, XXXXXXX \
      ),

  /* ADJ
   * ,------------------------------------------------.  ,------------------------------------------------.
   * |RESET |  F1  |  F2  |  F3  |  F4  |  F5  |  F6  |  |      |   =  |   /  |   *  |   -  |      |      |
   * |------+------+------+------+------+------|------|  |------|------+------+------+------+------+------|
   * |      |  F7  |  F8  |  F9  |  F10 |  F11 |  F12 |  |      |   7  |   8  |   9  |   +  |      |      |
   * |------+------+------+------+------+------|------|  |------|------+------+------+------+------+------|
   * |      | HUI  | VAI  | SAI  |      |      |COLEMK|  |      |   4  |   5  |   6  | Enter|      |      |
   * |------+------+------+------+------+------+------|  |------+------+------+------+------+------+------|
   * |      | HUD  | VAD  | SAD  |      |      |QWERTY|  |      |   1  |   2  |   3  | Space|      |      |
   * |------+------+------+------+------+------+------|  |------+------+------+------+------+------+------|
   * |      |RGBRST|RGBTOG|RGBMOD|RGBSMD|      |      |  |      |      |   0  |   .  | Bspc |      |      |
   * `------+------+------+------+------+------+------|  |------+------+------+------+------+------+------'
   *                                    |      |      |  |      |      |
   *                                    `-------------'  `-------------'
   */

  [_ADJ] =  LAYOUT( \
      RESET,   KC_F1,   KC_F2,   KC_F3,   KC_F4,    KC_F5,   KC_F6,   XXXXXXX, KC_PEQL, KC_PSLS, KC_PAST, KC_PMNS, XXXXXXX, XXXXXXX, \
      XXXXXXX, KC_F7,   KC_F8,   KC_F9,   KC_F10,   KC_F11,  KC_F12,  XXXXXXX, KC_P7,   KC_P8,   KC_P9,   KC_PPLS, XXXXXXX, XXXXXXX, \
      XXXXXXX, RGB_SAD, RGB_VAI, RGB_SAI, XXXXXXX,  XXXXXXX, COLEMAK, XXXXXXX, KC_P4,   KC_P5,   KC_P6,   KC_PENT, XXXXXXX, XXXXXXX, \
      XXXXXXX, RGB_HUD, RGB_VAD, RGB_HUI, XXXXXXX,  XXXXXXX, QWERTY,  XXXXXXX, KC_P1,   KC_P2,   KC_P3,   KC_SPC,  XXXXXXX, XXXXXXX, \
      XXXXXXX, RGBRST,  RGB_TOG, RGB_MOD, RGB_RMOD, XXXXXXX, XXXXXXX, _______, XXXXXXX, KC_P0,   KC_PDOT, KC_BSPC, XXXXXXX, XXXXXXX, \
                                                    XXXXXXX, XXXXXXX, _______, XXXXXXX \
      )
};

// define variables for reactive RGB
bool TOG_STATUS = false;
int RGB_current_mode;

#ifdef ENCODER_ENABLE
bool encoder_update_user(uint8_t index, bool clockwise) {
  if (index == 0) { /* First encoder */
    if (clockwise) {
      tap_code(KC_VOLU);
    } else {
      tap_code(KC_VOLD);
    }
  } else if (index == 1) { /* Second encoder*/
    if (clockwise) {
      tap_code(KC_VOLU);
    } else {
      tap_code(KC_VOLD);
    }
  }
    return true;
}
#endif

// Setting ADJ layer RGB back to default
void update_tri_layer_RGB(uint8_t layer1, uint8_t layer2, uint8_t layer3) {
  if (IS_LAYER_ON(layer1) && IS_LAYER_ON(layer2)) {
    #ifdef RGBLIGHT_ENABLE
      //rgblight_mode(RGB_current_mode);
    #endif
    layer_on(layer3);
  } else {
    layer_off(layer3);
  }
}

bool process_record_user(uint16_t keycode, keyrecord_t *record) {
  //uint8_t shifted = get_mods() & (MOD_BIT(KC_LSHIFT) | MOD_BIT(KC_RSHIFT));

  switch (keycode) {
    case QWERTY:
      if (record->event.pressed) {
        set_single_persistent_default_layer(_QWERTY);
      }
      return false;
      break;
    case COLEMAK:
      if(record->event.pressed) {
        set_single_persistent_default_layer(_COLEMAK);
      }
      return false;
      break;
    case FN:
      if (record->event.pressed) {
        //not sure how to have keyboard check mode and set it to a variable, so my work around
        //uses another variable that would be set to true after the first time a reactive key is pressed.
        if (TOG_STATUS) { //TOG_STATUS checks is another reactive key currently pressed, only changes RGB mode if returns false
        } else {
          TOG_STATUS = !TOG_STATUS;
          #ifdef RGBLIGHT_ENABLE
            //rgblight_mode(15);
          #endif
        }
        layer_on(_FN);
      } else {
        #ifdef RGBLIGHT_ENABLE
          //rgblight_mode(RGB_current_mode);  // revert RGB to initial mode prior to RGB mode change
        #endif
        layer_off(_FN);
        TOG_STATUS = false;
      }
      return false;
      break;
    case ADJ:
        if (record->event.pressed) {
          layer_on(_ADJ);
        } else {
          layer_off(_ADJ);
        }
        return false;
        break;
      //led operations - RGB mode change now updates the RGB_current_mode to allow the right RGB mode to be set after reactive keys are released
    case RGBRST:
      #ifdef RGBLIGHT_ENABLE
        if (record->event.pressed) {
          eeconfig_update_rgblight_default();
          rgblight_enable();
          RGB_current_mode = rgblight_config.mode;
        }
      #endif
      break;
  }
  return true;
}

void matrix_init_user(void) {
#ifdef RGBLIGHT_ENABLE
  RGB_current_mode = rgblight_config.mode;
#endif
}


// OLED Driver Logic
#ifdef OLED_DRIVER_ENABLE

oled_rotation_t oled_init_user(oled_rotation_t rotation) {
  if (!has_usb())
    return OLED_ROTATION_180;  // flip 180 for offhand
  return rotation;
}

static void render_logo(void) {
  static const char PROGMEM sol_logo[] = {
    0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8a,0x8b,0x8c,0x8d,0x8e,0x8f,0x90,0x91,0x92,0x93,0x94,
    0xa0,0xa1,0xa2,0xa3,0xa4,0xa5,0xa6,0xa7,0xa8,0xa9,0xaa,0xab,0xac,0xad,0xae,0xaf,0xb0,0xb1,0xb2,0xb3,0xb4,
    0xc0,0xc1,0xc2,0xc3,0xc4,0xc5,0xc6,0xc7,0xc8,0xc9,0xca,0xcb,0xcc,0xcd,0xce,0xcf,0xd0,0xd1,0xd2,0xd3,0xd4,0};

  oled_write_P(sol_logo, false);
}

//assign the right code to your layers for OLED display
#define L_BASE 0
#define L_FN (1<<_FN)
#define L_ADJ (1<<_ADJ)
#define L_ADJ_TRI (L_ADJ|L_FN)

static void render_status(void) {
  // Render to mode icon
  static const char PROGMEM mode_logo[4][4] = {
    {0x95,0x96,0x0a,0},
    {0xb5,0xb6,0x0a,0},
    {0x97,0x98,0x0a,0},
    {0xb7,0xb8,0x0a,0} };

  if (keymap_config.swap_lalt_lgui != false) {
    oled_write_P(mode_logo[0], false);
    oled_write_P(mode_logo[1], false);
  } else {
    oled_write_P(mode_logo[2], false);
    oled_write_P(mode_logo[3], false);
  }

  // Define layers here, Have not worked out how to have text displayed for each layer. Copy down the number you see and add a case for it below
  oled_write_P(PSTR("Layer: "), false);
  switch (layer_state) {
    case L_BASE:
      oled_write_P(PSTR("Default\n"), false);
      break;
    case L_FN:
      oled_write_P(PSTR("FN     \n"), false);
      break;
    case L_ADJ:
    case L_ADJ_TRI:
      oled_write_P(PSTR("ADJ    \n"), false);
      break;
    default:
      oled_write_P(PSTR("UNDEF  \n"), false);
  }

  // Host Keyboard LED Status
  uint8_t led_usb_state = host_keyboard_leds();
  oled_write_P(led_usb_state & (1<<USB_LED_NUM_LOCK) ? PSTR("NUMLOCK ") : PSTR("        "), false);
  oled_write_P(led_usb_state & (1<<USB_LED_CAPS_LOCK) ? PSTR("CAPS ") : PSTR("     "), false);
  oled_write_P(led_usb_state & (1<<USB_LED_SCROLL_LOCK) ? PSTR("SCLK ") : PSTR("     "), false);
}

void oled_task_user(void) {
  if (is_keyboard_master())
    render_status();
  else
    render_logo();
}

#endif