/* Copyright 2022 micros24 <jasperjano.ph@gmail.com>
 *
 * 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 layers {
    _LAYER0
};

enum custom_keycodes {
	M_CHARSELECT = SAFE_RANGE,
	TAPHOLD_RALT,
	TAPHOLD_RCTRL
};

const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {

    [_LAYER0] = LAYOUT_tkl_f13_ansi_tsangan(
        KC_ESC,  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_MPLY,    KC_PSCR, KC_VOLD, KC_VOLU,
        KC_GRV,  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_INS,  KC_HOME, KC_PGUP,
        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_DEL,  KC_END,  KC_PGDN,
        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_LSFT,          KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_N,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH,          KC_RSFT,             KC_UP,
        KC_LCTL, KC_LGUI, KC_LALT,                            KC_SPC,                                      TAPHOLD_RALT, M_CHARSELECT, TAPHOLD_RCTRL,    KC_LEFT, KC_DOWN, KC_RGHT
    )

};

bool process_record_user(uint16_t keycode, keyrecord_t *record) {
	static uint16_t my_hash_timer;
    switch (keycode) {
		/* RWIN key */
		case M_CHARSELECT:
			tap_code(KC_F9);
			wait_ms(100);
			tap_code(KC_ENT);
			break;
		/* RALT key */
		case TAPHOLD_RALT:
			if(record->event.pressed) {
				my_hash_timer = timer_read();
				register_code(KC_RALT); // Change the key to be held here
			} 
			else {
				unregister_code(KC_RALT); // Change this key to be the same as above
				if (timer_elapsed(my_hash_timer) < TAPPING_TERM) {
					tap_code(KC_MPRV); // The key to be pressed on tap
				}
			}
			return false; // We handled this keypress
			break;
		/* RCTRL key */
		case TAPHOLD_RCTRL:
					if(record->event.pressed) {
				my_hash_timer = timer_read();
				register_code(KC_RCTL); // Change the key to be held here
			} 
			else {
				unregister_code(KC_RCTL); // Change this key to be the same as above
				if (timer_elapsed(my_hash_timer) < TAPPING_TERM) {
					tap_code(KC_MNXT); // The key to be pressed on tap
				}
			}
			break;
			return false; // We handled this keypress
    }
    return true;
};