#include "edvorakjp.h"

#if TAP_DANCE_ENABLE != yes
static uint16_t time_on_pressed;
#endif
/*
 * Each process_record_* methods defined here are
 * return false if handle edvorak_keycodes, or return true others.
 */
bool process_record_edvorakjp_swap_scln(uint16_t keycode, keyrecord_t *record) {
#ifdef SWAP_SCLN
    static const uint8_t shift_bits = MOD_BIT(KC_LSFT) | MOD_BIT(KC_RSFT);
    static uint8_t       last_mods_status;
    if (keycode == KC_SCLN) {
        if (record->event.pressed) {
            last_mods_status = get_mods();

            // invert shift_bits
            if (last_mods_status & shift_bits) {
                set_mods(last_mods_status & ~shift_bits);
            } else {
                set_mods(last_mods_status | MOD_BIT(KC_LSFT));
            }
        } else {
            set_mods(last_mods_status);
            last_mods_status = 0;
        }
    }
#endif
    return true;
}

bool process_record_edvorakjp_config(uint16_t keycode, keyrecord_t *record) {
    switch (keycode) {
        case KC_MAC:
        case KC_WIN:
            if (record->event.pressed) {
                set_enable_kc_lang(keycode == KC_MAC);
            }
            return false;
    }
    return true;
}

bool process_record_layer(uint16_t keycode, keyrecord_t *record) {
#if TAP_DANCE_ENABLE != yes
    switch (keycode) {
        case KC_EDVORAKJP_LOWER:
            if (record->event.pressed) {
                layer_on(L_EDVORAKJP_LOWER);
                time_on_pressed = record->event.time;
            } else {
                layer_off(L_EDVORAKJP_LOWER);

                if (TIMER_DIFF_16(record->event.time, time_on_pressed) < TAPPING_TERM) {
                    set_japanese_mode(false);
                }
                time_on_pressed = 0;
            }
            return false;
        case KC_EDVORAKJP_RAISE:
            if (record->event.pressed) {
                layer_on(L_EDVORAKJP_RAISE);
                time_on_pressed = record->event.time;
            } else {
                layer_off(L_EDVORAKJP_RAISE);

                if (TIMER_DIFF_16(record->event.time, time_on_pressed) < TAPPING_TERM) {
                    set_japanese_mode(true);
                }
                time_on_pressed = 0;
            }
            return false;
    }
#endif
    return true;
}

bool process_record_ime(uint16_t keycode, keyrecord_t *record) {
    switch (keycode) {
        case KC_JPN:
        case KC_ENG:
            if (record->event.pressed) {
                set_japanese_mode(keycode == KC_JPN);
            }
            return false;
    }
    return true;
}
