#include QMK_KEYBOARD_H
#include "bootloader.h"
#include "mousekey.h"
#include "pointing_device.h"
#include "report.h"

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

extern bool isScrollMode;

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

extern uint8_t is_master;

enum layer_names {
  _QWERTY,
  _LOWER,
  _RAISE,
  _ADJUST
};

enum custom_keycodes {
  QWERTY = SAFE_RANGE,
  LOWER,
  RAISE,
  RGBRST,
  MBTN1,
  SCRL
};

#define KC______ KC_TRNS
#define KC_XXXXX KC_NO
#define KC_LOWER LOWER
#define KC_RAISE RAISE
#define KC_RST   RESET
#define KC_LRST  RGBRST
#define KC_LTOG  RGB_TOG
#define KC_LHUI  RGB_HUI
#define KC_LHUD  RGB_HUD
#define KC_LSAI  RGB_SAI
#define KC_LSAD  RGB_SAD
#define KC_LVAI  RGB_VAI
#define KC_LVAD  RGB_VAD
#define KC_LMOD  RGB_MOD

#define KC_CTLA CTL_T(KC_A)
#define KC_CTLSC CTL_T(KC_SCLN)
#define KC_SFTZ SFT_T(KC_Z)
#define KC_SFTSL SFT_T(KC_SLSH)
#define KC_WINX LWIN_T(KC_X)
#define KC_WINDO RWIN_T(KC_DOT)

#define KC_MBTN1  MBTN1
#define KC_SCRL   SCRL

const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
  [_QWERTY] = LAYOUT_kc(
  //,-----------------------------------------.                ,-----------------------------------------.
        ESC,     Q,     W,     E,     R,     T,                      Y,     U,     I,     O,     P,  BSPC,
  //|------+------+------+------+------+------|                |------+------+------+------+------+------|
        TAB,  CTLA,     S,     D,     F,     G,                      H,     J,     K,     L, CTLSC,  QUOT,
  //|------+------+------+------+------+------|                |------+------+------+------+------+------|
      GRAVE,  SFTZ,  WINX,     C,     V,     B,                      N,     M,  COMM, WINDO, SFTSL,BSLASH,
  //|------+------+------+------+------+------+------|  |------+------+------+------+------+------+------|
                                  LOWER,   SPC,  SCRL,    MBTN1,   ENT, RAISE
                              //`--------------------'  `--------------------'
  ),

  [_LOWER] = LAYOUT_kc(
  //,-----------------------------------------.                ,-----------------------------------------.
        ESC, XXXXX,  PGDN,  PSCR,  PGUP,  LBRC,                   RBRC,     7,     8,     9, XXXXX, XXXXX,
  //|------+------+------+------+------+------|                |------+------+------+------+------+------|
      XXXXX, LCTRL,  PLUS,  MINS,   EQL,  LPRN,                   RPRN,     4,     5,     6, RCTRL, XXXXX,
  //|------+------+------+------+------+------|                |------+------+------+------+------+------|
      XXXXX,  LSFT,  HOME, XXXXX,   END,  LCBR,                   RCBR,     1,     2,     3,  RSFT, XXXXX,
  //|------+------+------+------+------+------+------|  |------+------+------+------+------+------+------|
                                  LOWER,   SPC,  SCRL,    MBTN1,   ENT,     0
                              //`--------------------'  `--------------------'
  ),

  [_RAISE] = LAYOUT_kc(
  //,-----------------------------------------.                ,-----------------------------------------.
        ESC, XXXXX,    F7,    F8,    F9,   F10,                   BTN2,  BTN2,  MNXT,  MPRV,  MPLY,  MSTP,
  //|------+------+------+------+------+------|                |------+------+------+------+------+------|
      XXXXX, LCTRL,    F4,    F5,    F6,   F11,                   LEFT,  DOWN,    UP, RIGHT, RCTRL, XXXXX,
  //|------+------+------+------+------+------|                |------+------+------+------+------+------|
      XXXXX,  LSFT,    F1,    F2,    F3,   F12,                  XXXXX, XXXXX,  VOLU,  VOLD,  MUTE,  RSFT,
  //|------+------+------+------+------+------+------|  |------+------+------+------+------+------+------|
                                  LOWER,   SPC,  SCRL,    MBTN1,   ENT, RAISE
                              //`--------------------'  `--------------------'
  ),

  [_ADJUST] = LAYOUT_kc(
  //,-----------------------------------------.                ,-----------------------------------------.
        RST,  LRST, XXXXX, XXXXX, XXXXX, XXXXX,                  XXXXX, XXXXX, XXXXX, XXXXX, XXXXX,   RST,
  //|------+------+------+------+------+------|                |------+------+------+------+------+------|
       LTOG,  LHUI,  LSAI,  LVAI, XXXXX, XXXXX,                  XXXXX, XXXXX, XXXXX, XXXXX, XXXXX, XXXXX,
  //|------+------+------+------+------+------|                |------+------+------+------+------+------|
       LMOD,  LHUD,  LSAD,  LVAD, XXXXX, XXXXX,                  XXXXX, XXXXX, XXXXX, XXXXX, XXXXX, XXXXX,
  //|------+------+------+------+------+------+------|  |------+------+------+------+------+------+------|
                                  LOWER,   SPC,  SCRL,    MBTN1,   ENT, RAISE
                              //`--------------------'  `--------------------'
  )
};

int RGB_current_mode;

void persistent_default_layer_set(uint16_t default_layer) {
  eeconfig_update_default_layer(default_layer);
  default_layer_set(default_layer);
}

// Setting ADJUST 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)) {
    layer_on(layer3);
  } else {
    layer_off(layer3);
  }
}

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

bool process_record_user(uint16_t keycode, keyrecord_t *record) {
  report_mouse_t currentReport = {};
  switch (keycode) {
    case QWERTY:
      if (record->event.pressed) {
        persistent_default_layer_set(1UL<<_QWERTY);
      }
      return false;
    case LOWER:
      if (record->event.pressed) {
        layer_on(_LOWER);
        update_tri_layer_RGB(_LOWER, _RAISE, _ADJUST);
      } else {
        layer_off(_LOWER);
        update_tri_layer_RGB(_LOWER, _RAISE, _ADJUST);
      }
      return false;
    case RAISE:
      if (record->event.pressed) {
        layer_on(_RAISE);
        update_tri_layer_RGB(_LOWER, _RAISE, _ADJUST);
      } else {
        layer_off(_RAISE);
        update_tri_layer_RGB(_LOWER, _RAISE, _ADJUST);
      }
      return false;
    case RGB_MOD:
      #ifdef RGBLIGHT_ENABLE
        if (record->event.pressed) {
          rgblight_mode(RGB_current_mode);
          rgblight_step();
          RGB_current_mode = rgblight_config.mode;
        }
      #endif
      return false;
    case RGBRST:
      #ifdef RGBLIGHT_ENABLE
        if (record->event.pressed) {
          eeconfig_update_rgblight_default();
          rgblight_enable();
          RGB_current_mode = rgblight_config.mode;
        }
      #endif
      break;
    case MBTN1:
      currentReport = pointing_device_get_report();
      if (record->event.pressed) {
        currentReport.buttons |= MOUSE_BTN1;
      }
      else {
        currentReport.buttons &= ~MOUSE_BTN1;
      }
      pointing_device_set_report(currentReport);
      pointing_device_send();
      return false;
    case SCRL:
      if (record->event.pressed) {
        isScrollMode = true;
      }
      else {
        isScrollMode = false;
      }
      return false;
  }
  return true;
}