/*
Copyright 2019 @foostan
Copyright 2020 Drashna Jaelre <@drashna>

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
//include KEYMAP.GERMAN.h
#include <stdio.h>

// Left-hand home row mods
#define GUI_A LGUI_T(KC_A)
#define ALT_S LALT_T(KC_S)
#define SFT_D LSFT_T(KC_D)
#define CTL_F LCTL_T(KC_F)

// Right-hand home row mods
#define CTL_J RCTL_T(KC_J)
#define SHFT_K RSFT_T(KC_K)
#define ALT_L LALT_T(KC_L)
#define GUI_SCLN RGUI_T(KC_SCLN)


#define _NORMAL 0
#define _HMOD 1
#define _GAMING 2
#define _LEFT 3
#define _RIGHT 4
#define _ADJUST 5

enum my_keycodes {
    LEFT = SAFE_RANGE,
    RIGHT,
    HMODS,
    GAME
};

const uint16_t PROGMEM backspace_combo[] = {KC_J,KC_K,COMBO_END};
combo_t key_combos[] = {
    COMBO(backspace_combo, KC_BSPC),
};




const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
  [_NORMAL] = LAYOUT_split_3x6_3(
  //,-----------------------------------------------------.                    ,-----------------------------------------------------.
       KC_TAB,    KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,                         KC_Y,    KC_U,    KC_I,    KC_O,   KC_P,  KC_BSPC,
  //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
      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,                         KC_N,    KC_M, KC_COMM,  KC_DOT, KC_SLSH,  KC_ESC,
  //|--------+--------+--------+--------+--------+--------+--------|  |--------+--------+--------+--------+--------+--------+--------|
                                          KC_LGUI,  KC_SPC, LEFT,     KC_ENT, RIGHT, KC_LALT
                                      //`--------------------------'  `--------------------------'

  ),

  [_HMOD] = LAYOUT_split_3x6_3( //HOMEROW MODS
  //,-----------------------------------------------------.                    ,-----------------------------------------------------.
       KC_TAB,    KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,                         KC_Y,    KC_U,    KC_I,    KC_O,   KC_P,  KC_BSPC,
  //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
      KC_LCTL,   GUI_A,   ALT_S,   SFT_D,   CTL_F,    KC_G,                         KC_H,   CTL_J,  SHFT_K,   ALT_L,GUI_SCLN, KC_QUOT,
  //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
      KC_LSFT,    KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,                         KC_N,    KC_M, KC_COMM,  KC_DOT, KC_SLSH,  KC_ESC,
  //|--------+--------+--------+--------+--------+--------+--------|  |--------+--------+--------+--------+--------+--------+--------|
                                          _______, _______, _______,    _______, _______,_______
                                      //`--------------------------'  `--------------------------'
  ),
  [_GAMING] = LAYOUT_split_3x6_3( //GAMING
  //,-----------------------------------------------------.                    ,-----------------------------------------------------.
       KC_TAB,    KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,                         KC_Y,    KC_U,    KC_I,    KC_O,   KC_P,  KC_BSPC,
  //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
      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,                         KC_N,    KC_M, KC_COMM,  KC_DOT, KC_SLSH,  KC_ESC,
  //|--------+--------+--------+--------+--------+--------+--------|  |--------+--------+--------+--------+--------+--------+--------|
                                          KC_LALT,  KC_SPC, KC_3   ,     KC_ENT,   MO(1), MO(2)
                                      //`--------------------------'  `--------------------------'
  ),
    
  [_LEFT] = LAYOUT_split_3x6_3(
  //,-------------------------------------------------------------------------------------.                    ,-----------------------------------------------------------------------------------.
       KC_TAB, KC_EXLM,   KC_AT, KC_HASH  ,  KC_DLR                , KC_PERC,                                   KC_CIRC, KC_AMPR, KC_ASTR  , KC_LPRN  , KC_RPRN             , KC_BSPC              ,
  //|--------+--------+--------+----------+------------------------+---------------------|                    |--------+--------+----------+----------+---------------------+----------------------|
      KC_LCTL, KC_SLASH,KC_RBRC,S(KC_RBRC),RALT(KC_NONUS_BACKSLASH), RALT(KC_Q)          ,                      KC_MINS,  KC_EQL,RALT(KC_7),RALT(KC_0), KC_PIPE             ,  KC_GRV             ,\
  //|--------+--------+--------+----------+------------------------+---------------------|                    |--------+--------+----------+----------+---------------------+----------------------|
    XXXXXXX,S(KC_SLASH),KC_BSLS,S(KC_PLUS),RALT(KC_MINUS)          ,S(KC_NONUS_BACKSLASH),                      KC_UNDS, KC_PLUS,RALT(KC_8),RALT(KC_9),   KC_NONUS_BACKSLASH, S(KC_NONUS_BACKSLASH),
  //|--------+--------+--------+----------+------+--------+----------------------------------------|  |--------+--------+--------+---------+----------+---------------------+----------------------|
                                                                         KC_LGUI,  KC_SPC , MO(2) ,    KC_ENT, _______, KC_LALT
                                                                     //`--------------------------'   `--------------------------'
  ),

  [_RIGHT] = LAYOUT_split_3x6_3(
  //,-----------------------------------------------------.                    ,-----------------------------------------------------.
       KC_TAB,    KC_1,    KC_2,    KC_3,    KC_4,    KC_5,                         KC_6,    KC_7,    KC_8,    KC_9,    KC_0, KC_BSPC,
  //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
      KC_LCTL, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,                      KC_LEFT, KC_DOWN,   KC_UP,KC_RIGHT, XXXXXXX, XXXXXXX,
  //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
      KC_LSFT, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,                      KC_HOME, KC_PGDN, KC_PGUP, KC_END , XXXXXXX, XXXXXXX,
  //|--------+--------+--------+--------+--------+--------+--------|  |--------+--------+--------+--------+--------+--------+--------|
                                          _______, _______, _______,    _______, _______,_______
                                      //`--------------------------'  `--------------------------'
  ),

  [_ADJUST] = LAYOUT_split_3x6_3(
  //,-----------------------------------------------------.                    ,-----------------------------------------------------.
      KC_F1  , KC_F2  , KC_F3  , KC_F4  , KC_F5  , KC_F6  ,                      KC_F7  , KC_F8  , KC_F9  , KC_F10 , KC_F11 , KC_F12 ,
  //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
    TG(_HMOD), XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,                      XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,   TG(_GAMING),
  //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
      XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,                      XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, CM_TOGG,
  //|--------+--------+--------+--------+--------+--------+--------|  |--------+--------+--------+--------+--------+--------+--------|
                                          _______, _______, _______,    _______, _______,_______
                                      //`--------------------------'  `--------------------------'
  )
};

void keyboard_post_init_user_vars(void) {
    // set_tri_layer_layers(_LEFT, _RIGHT, _ADJUST);
}

bool process_record_user(uint16_t keycode, keyrecord_t *record) {
  switch (keycode) {
    case LEFT:
      if (record->event.pressed) {
        layer_on(_LEFT);
        if(IS_LAYER_ON(_RIGHT)){
            layer_on(_ADJUST);
        }        
      } else {
        layer_off(_LEFT);
        layer_off(_ADJUST);
      }
      return false; // Skip all further processing of this key
    case RIGHT:
      if (record->event.pressed) {
        layer_on(_RIGHT);
        if(IS_LAYER_ON(_LEFT)){
            layer_on(_ADJUST);
        }        
      } else {
        layer_off(_RIGHT);
        layer_off(_ADJUST);
      }
      return false;
    default:
      return true; // Process all other keycodes normally
  }
}