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#include QMK_KEYBOARD_H
#include "keycodes.h"

uint16_t get_tapping_term(uint16_t keycode, keyrecord_t *record) {
    switch (keycode) {
        case KEY_F:
            return 230;
        case KEY_LOK:
        case TD_ENTER:
            return 2 * TAPPING_TERM;
        default:
            return TAPPING_TERM;
    }
}

static uint32_t key_timer;           // timer for last keyboard activity, use
                                     // 32bit value and function to make longer
                                     // idle time possible

static bool left_part;

bool keycodes_process_record(uint16_t keycode, keyrecord_t *record) {


  if (!record->event.pressed) {
      switch (keycode) {
        case KC_ESC:
        case AL_ENT:
            break;
        default:
          // store time of last key release. This is used as a counter in order to
          // know if we are inside a typing sequence or not.
          key_timer = timer_read32();
      }
  }

  left_part = record->event.key.row < (MATRIX_ROWS / 2);

  switch (keycode) {
    case KC_ESC:
    case AL_ENT:
      if (!record->event.pressed && \
          (layer_state_is(LAYER_KEYPAD) || layer_state_is(LAYER_ARROW) )) {
          // Remove the layer the key is released.
          layer_clear();
      }
      return true;

    // If a key where released just before, consider we are typing some text
    // and do not start the tap tempo.
    case KEY_F:
      if (record->event.pressed && left_part && timer_elapsed32(key_timer) < (TAPPING_TERM * 2)) {
          //register_code(KC_F);
          tap_code16(KC_F);
          return false;
      }
      return true;
    case KEY_J:
      if (record->event.pressed && !left_part && timer_elapsed32(key_timer) < (TAPPING_TERM * 2)) {
          //register_code(KC_J);
          tap_code16(KC_J);
          return false;
      }
      return true;

    // Override the key APP when hold into AltGR + Layer 1 when hold
    case KEY_APP:
      if (!record->tap.count && record->event.pressed) {
          layer_on(LAYER_ARROW);
          register_code(KC_RIGHT_ALT);
          return false;
      } else if (!record->tap.count && !record->event.pressed) {
          unregister_code(KC_RIGHT_ALT);
          layer_off(LAYER_ARROW);
          return false;
      }

    case KC_LGUI:
        if (record->event.pressed) {
          layer_on(LAYER_ARROW);
        }
        else {
          layer_off(LAYER_ARROW);
        }
        return true;

    default:
      return true; // Process all other keycodes normally
  }
}