// https://geekhack.org/index.php?topic=69169.msg2781175#msg2781175


#include "unimap_trans.h"
#include "action_layer.h"


#define AC_FN0 ACTION_LAYER_MOMENTARY(1)

#ifdef KEYMAP_SECTION_ENABLE
const action_t actionmaps[][UNIMAP_ROWS][UNIMAP_COLS] __attribute__ ((section (".keymap.keymaps"))) = {
#else
const action_t actionmaps[][UNIMAP_ROWS][UNIMAP_COLS] PROGMEM = {
#endif
    UNIMAP(
              F13, F14, F15, F16, F17, F18, F19, F20, F21, F22, F23,  NO,
    ESC,      F1,  F2,  F3,  F4,  F5,  F6,  F7,  F8,  F9,  F10, F11, F12,           PSCR,SLCK,KP_COMMA,         VOLD,VOLU,MUTE,
    GRV, 1,   2,   3,   4,   5,   6,   7,   8,   9,   0,   MINS,EQL, JYEN,BSPC,     INS, HOME,PGUP,    INT6,PSLS,PAST,PMNS,
    TAB, Q,   W,   E,   R,   T,   Y,   U,   I,   O,   P,   LBRC,RBRC,     BSLS,     DEL, END, PGDN,    P7,  P8,  P9,  PPLS,
    F20, A,   S,   D,   F,   G,   H,   J,   K,   L,   SCLN,QUOT,     NUHS,ENT,                         P4,  P5,  P6,  PCMM,
    LSFT,NUBS,Z,   X,   C,   V,   B,   N,   M,   COMM,DOT, SLSH,     RO,  RSFT,          UP,           P1,  P2,  P3,  PENT,
    LCTL,LANG1,LALT,MHEN,         SPC,        HENK,KANA,RALT,LANG3,INT4,RCTL,     LEFT,DOWN,RGHT,    P0,       PDOT,PEQL
    ),
    UNIMAP(
              TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,
    TRNS,     TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,          TRNS,TRNS,TRNS,         TRNS,TRNS,TRNS,
    TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,     TRNS,TRNS,TRNS,    TRNS,TRNS,TRNS,TRNS,
    TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,     TRNS,     TRNS,TRNS,TRNS,    TRNS,TRNS,TRNS,TRNS,
    TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,     TRNS,TRNS,                        TRNS,TRNS,TRNS,TRNS,
    TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,END, PGDN,DOWN,     TRNS,TRNS,          TRNS,         TRNS,TRNS,TRNS,TRNS,
    TRNS,TRNS,TRNS,TRNS,          TRNS,          TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,     TRNS,TRNS,TRNS,     TRNS,     TRNS,TRNS
    ),
};


bool hook_process_action(keyrecord_t *record) {
    static uint8_t f22_tracker;
    action_t action = layer_switch_get_action(record->event);

    switch (action.code) {
    case KC_A ... KC_F21: //notice how it skips over F22
    case KC_EXECUTE ... KC_EXSEL: //exsel is the last one before the modifier keys
        if (record->event.pressed) {
            register_code(KC_F22); //this means to send F22 down
            f22_tracker++;
            register_code(action.code);
        } else {
            unregister_code(action.code);
            f22_tracker--;
            if (!f22_tracker) {
                unregister_code(KC_F22); //this means to send F22 up
            }
            //real key is released HERE
        }
        return true;
        break;
    }
    return false;
}