/* Copyright 2019 Cole Markham
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
#include QMK_KEYBOARD_H

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

#define _QWERTY 0
#define _COLEMAK 1
#define _DVORAK 2
#define _LOWER 3
#define _RAISE 4
#define _ADJUST 16

enum custom_keycodes {
  QWERTY = SAFE_RANGE,
  COLEMAK,
  DVORAK,
  LOWER,
  RAISE,
  ADJUST,
};

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

const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
        [_QWERTY] = LAYOUT_all(
        KC_F1, KC_F2,   KC_ESC, KC_1, KC_2, KC_3, KC_4, KC_5, KC_6,KC_7,KC_8,KC_9,KC_0,KC_MINS,KC_EQL,KC_BSPC, KC_DEL, KC_PGUP,\
        KC_F3, KC_F4,   KC_TAB,KC_Q,KC_W,KC_E,KC_R,KC_T,KC_Y,KC_U,KC_I,KC_O,KC_P,KC_LBRC,KC_RBRC,KC_BSLS, KC_PGDN,\
        KC_F5, KC_F6,   KC_CAPS,KC_A,KC_S,KC_D,KC_F, KC_G, KC_H,KC_J,KC_K,KC_L, KC_SCLN,KC_QUOT,KC_ENT, KC_HOME,\
        KC_F7, KC_F8,   KC_LSFT,KC_Z,KC_X,KC_C,KC_V,KC_B,KC_N,KC_M,KC_COMM,KC_DOT,KC_SLASH,KC_RSFT,KC_UP,KC_END,\
        KC_F9, KC_F10,  KC_LCTL,KC_LGUI,KC_LALT, RAISE, KC_SPACE, LOWER, KC_RALT,KC_APP,KC_RCTRL,KC_LEFT,KC_DOWN,KC_RIGHT),

        [_RAISE] = LAYOUT_all(
        RGB_MOD, _______,   _______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______, _______, _______,\
        _______, _______,   _______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______, _______,\
        _______, _______,   _______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______, _______,\
        _______, _______,   _______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______,\
        _______, _______,  _______,_______,_______, _______, _______, _______, _______,_______,_______,_______,_______,_______),

        [_LOWER] = LAYOUT_all(
        RGB_MOD, _______,   _______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______, _______, _______,\
        _______, _______,   _______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______, _______,\
        _______, _______,   _______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______,  _______,\
        _______, _______,   _______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______,\
        _______, _______,  _______,_______,_______, _______, _______, _______, _______,_______,_______,_______,_______,_______),

        [_ADJUST] = LAYOUT_all(
        RESET, _______,   _______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______, _______, _______,\
        _______, _______,   _______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______, _______,\
        _______, _______,   _______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______,  _______,\
        _______, _______,   _______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______,_______,\
        _______, _______,  _______,_______,_______, _______, _______, _______, _______,_______,_______,_______,_______,_______)
};

// 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)) {
#ifdef RGBLIGHT_ENABLE
    rgblight_mode(RGB_current_mode);
#endif
    layer_on(layer3);
  } else {
    layer_off(layer3);
  }
}

#ifdef AUDIO_ENABLE

  float tone_qwerty[][2]     = SONG(QWERTY_SOUND);
#endif

void matrix_init_user(void) {

}

void matrix_scan_user(void) {

}

bool process_record_user(uint16_t keycode, keyrecord_t *record) {
  switch (keycode) {
    case LOWER:
        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(16);
#endif
            }
            layer_on(_LOWER);
            update_tri_layer_RGB(_LOWER, _RAISE, _ADJUST);
        } else {
#ifdef RGBLIGHT_ENABLE
            rgblight_mode(RGB_current_mode);   // revert RGB to initial mode prior to RGB mode change
#endif
            TOG_STATUS = false;
            layer_off(_LOWER);
            update_tri_layer_RGB(_LOWER, _RAISE, _ADJUST);
        }
        return false;
        break;
    case RAISE:
        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(_RAISE);
            update_tri_layer_RGB(_LOWER, _RAISE, _ADJUST);
        } else {
#ifdef RGBLIGHT_ENABLE
            rgblight_mode(RGB_current_mode);  // revert RGB to initial mode prior to RGB mode change
#endif
            layer_off(_RAISE);
            TOG_STATUS = false;
            update_tri_layer_RGB(_LOWER, _RAISE, _ADJUST);
        }
        return false;
        break;
    case ADJUST:
        // FIXME add RGB feedback
        if (record->event.pressed) {
            layer_on(_ADJUST);
        } else {
            layer_off(_ADJUST);
        }
        return false;
        break;
        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
#ifdef RGBLIGHT_ENABLE
    case RGB_MOD:
        if (record->event.pressed) {
            rgblight_mode(RGB_current_mode);
            rgblight_step();
            RGB_current_mode = rgblight_config.mode;
        }
        return false;
        break;
#endif
  }
  return true;
}

void led_set_user(uint8_t usb_led) {

}
