/* Copyright 2018 Holten Campbell
 *
 * 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

enum primee_layers {
  _DEFAULT,
  _LOWER,
  _RAISE,
  _ADJUST
};

#define CTLESC MT(MOD_LCTL, KC_ESC)
#define LWRSPC LT(_LOWER, KC_SPC)
#define RSEENT LT(_RAISE, KC_ENT)
#define MOADJ  MO(_ADJUST)

const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
    [_DEFAULT] = LAYOUT(
		KC_TAB,    KC_Q,      KC_W,      KC_E,      KC_R,       KC_T,             KC_Y,     KC_U,        KC_I,      KC_O,      KC_P,      KC_DEL,    KC_BSPC,
		CTLESC,    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,             MOADJ,    KC_N,        KC_M,      KC_COMM,   KC_DOT,    KC_SLSH,   KC_RSFT,
		KC_LCTL,   KC_LGUI,                         KC_LALT,    LWRSPC,	          RSEENT,   KC_RALT,                                      KC_RCTL,   KC_RGUI
    ),

    [_LOWER] = LAYOUT(
		KC_TRNS,   KC_EXLM,   KC_AT,     KC_HASH,   KC_DLR,     KC_PERC,          KC_CIRC,   KC_AMPR,    KC_ASTR,   KC_LPRN,   KC_RPRN,   KC_TRNS,   KC_TRNS,
		KC_TRNS,   KC_TRNS,   KC_TRNS,   KC_TRNS,   KC_TRNS,    KC_TRNS,          KC_TRNS,   KC_LBRC,    KC_RBRC,   KC_MINS,   KC_EQL,    KC_TRNS,
		KC_TRNS,   KC_TRNS,   KC_TRNS,   KC_TRNS,   KC_TRNS,    KC_TRNS,          KC_TRNS,   KC_TRNS,    KC_GRV,    KC_BSLS,   KC_TRNS,   KC_TRNS,   KC_TRNS,
		KC_TRNS,   KC_TRNS,                         KC_TRNS,    KC_TRNS,	      KC_TRNS,   KC_TRNS,                                     KC_TRNS,   KC_TRNS
    ),

    [_RAISE] = LAYOUT(
		KC_TRNS,   KC_1,      KC_2,      KC_3,      KC_4,       KC_5,             KC_6,      KC_7,       KC_8,      KC_9,      KC_0,      KC_TRNS,   KC_TRNS,
		KC_TRNS,   KC_TRNS,   KC_TRNS,   KC_TRNS,   KC_TRNS,    KC_TRNS,          KC_TRNS,   KC_TRNS,    KC_UP,     KC_TRNS,   KC_TRNS,   KC_TRNS,
		KC_TRNS,   KC_TRNS,   KC_TRNS,   KC_TRNS,   KC_TRNS,    KC_TRNS,          KC_TRNS,   KC_TRNS,    KC_LEFT,   KC_DOWN,   KC_RGHT,   KC_TRNS,   KC_TRNS,
		KC_TRNS,   KC_TRNS,                         KC_TRNS,    KC_TRNS,	      KC_TRNS,   KC_TRNS,                                     KC_TRNS,   KC_TRNS
    ),

    [_ADJUST] = LAYOUT(
		KC_TRNS,   KC_F1,     KC_F2,     KC_F3,     KC_F4,      KC_F5,            KC_F6,     KC_F7,      KC_F8,     KC_F9,     KC_F10,    KC_F11,    KC_F12,
		KC_TRNS,   KC_TRNS,   KC_TRNS,   KC_TRNS,   KC_TRNS,    KC_TRNS,          KC_TRNS,   KC_TRNS,    KC_TRNS,   KC_TRNS,   KC_TRNS,   KC_TRNS,
		KC_TRNS,   KC_TRNS,   KC_TRNS,   KC_TRNS,   KC_TRNS,    KC_TRNS,          KC_TRNS,   KC_TRNS,    KC_TRNS,   KC_TRNS,   KC_TRNS,   KC_TRNS,   KC_TRNS,
		RESET,     KC_TRNS,                         KC_TRNS,    KC_TRNS,	      KC_TRNS,   KC_TRNS,                                     KC_TRNS,   KC_TRNS
    )
};

void matrix_init_user(void) {
  // set CapsLock LED to output and low
  setPinOutput(B1);
  writePinLow(B1);
  // set NumLock LED to output and low
  setPinOutput(B2);
  writePinLow(B2);
  // set ScrollLock LED to output and low
  setPinOutput(B3);
  writePinLow(B3);
}

//function for layer indicator LED
layer_state_t layer_state_set_user(layer_state_t state) {
    writePin(B3, layer_state_cmp(state, 1));
    writePin(B2, layer_state_cmp(state, 2));
    writePin(B1, layer_state_cmp(state, 3));

    return state;
}