#include "process_records.h"
#include "alt_tab.h"
extern bool onMac;
#define MAX_INCREMENTAL_MACRO 20
#define TAP_ROTATION_TIMEOUT 400
uint16_t latest_kc       = 0;
uint16_t latest_rotation = 0;
int      key_count       = 0;

const char incremental_macros[][MAX_INCREMENTAL_MACRO] = {"String1" SS_TAP(X_HOME) "X-", "String2" SS_TAP(X_HOME)};

bool process_incremental_macro(uint16_t kc) {
    if (kc < INC_MACROS_START || kc > INC_MACROS_END) {
        return false;
    }
    int  macro_idx     = (int)(kc - INC_MACROS_START) - 1;
    char tempstring[3] = {0};
    tempstring[0]      = incremental_macros[macro_idx][key_count];
    // Special cases of SS_TAP SS_UP and SS_DOWN, they require two characters so get both once and skip on next iteration
    if (tempstring[0] == '\1' || tempstring[0] == '\2' || tempstring[0] == '\3') {
        tempstring[1] = incremental_macros[macro_idx][++key_count];
    }
    if (tempstring[0] == '\0') {
        key_count = 0;
    }
    send_string(tempstring);

    return true;
};

void refresh_incremental_macros(uint16_t kc) {
    if (kc == latest_kc) {
        if ((timer_elapsed(latest_rotation) > TAP_ROTATION_TIMEOUT) || (key_count >= MAX_INCREMENTAL_MACRO))
            key_count = 0;
        else
            key_count++;
    } else {
        key_count = 0;
        latest_kc = kc;
    }

    latest_rotation = timer_read();
}
// Send control or GUI depending if we are on windows or mac
bool CMD(uint16_t kc) {
    if (onMac) {
        tap_code16(LGUI(kc));
    } else {
        tap_code16(LCTL(kc));
    }
    return false;
}

bool process_record_user(uint16_t keycode, keyrecord_t *record) {
    bool pressed = record->event.pressed;
    if (pressed) {
        refresh_incremental_macros(keycode);
        if (process_incremental_macro(keycode)) {
            return false;
        }
        switch (keycode) {
            case MAC_TGL:
                onMac = !onMac;
                onMac ? SEND_STRING("On mac") : SEND_STRING("Not on MAC");
                return false;
        }
    }

    switch (keycode) {
        case QWERTY:
            if (record->event.pressed) {
                layer_on(_QWERTY);
            }
            return false;
        case LOWER:
            if (record->event.pressed) {
                layer_on(_LOWER);
            } else {
                layer_off(_LOWER);
            }
            return false;
        case RAISE:
            if (record->event.pressed) {
                layer_on(_RAISE);
            } else {
                layer_off(_RAISE);
            }
            return false;
        case ADJUST:
            if (record->event.pressed) {
                layer_on(_ADJUST);
            } else {
                layer_off(_ADJUST);
            }
            return false;
            // == Macros START ===
        case IARROW:
            if (record->event.pressed) SEND_STRING("<-");
            return false;
        case ARROW:
            if (record->event.pressed) SEND_STRING("->");
            return false;
        case F_ARROW:
            if (record->event.pressed) SEND_STRING("=>");
            return false;
        case GREP:
            if (record->event.pressed) SEND_STRING(" | grep ");
            return false;
        case CLN_EQ:
            if (record->event.pressed) SEND_STRING(":=");
            return false;
            // == Macros END ===
            // == Multi Os START ===
        case KC_HOME:  // make the home behave the same on OSX
            if (record->event.pressed && onMac) {
                SEND_STRING(SS_LCTRL("a"));
                return false;
            }
        case KC_END:  // make the end behave the same on OSX
            if (record->event.pressed && onMac) {
                tap_code16(C(KC_E));
                return false;
            }
        case AC_A:  // Accent á
            if (record->event.pressed) SEND_STRING(SS_LALT("e") "a");
            return false;
        case AC_E:  // Accent é
            if (record->event.pressed) SEND_STRING(SS_LALT("e") "e");
            return false;
        case AC_I:  // Accent í
            if (record->event.pressed) SEND_STRING(SS_LALT("e") "i");
            return false;
        case AC_O:  // Accent ó
            if (record->event.pressed) SEND_STRING(SS_LALT("e") "o");
            return false;
        case CUT:
            if (record->event.pressed) return CMD(KC_X);
        case COPY:
            if (record->event.pressed) {
                onMac ? SEND_STRING(SS_LGUI("c")) : SEND_STRING(SS_LCTRL("c"));
            }
            return false;
        case PASTE:
            if (record->event.pressed) {
                onMac ? SEND_STRING(SS_LGUI("v")) : SEND_STRING(SS_LCTRL("v"));
            }
            return false;
        case SAVE:
            if (record->event.pressed) {
                onMac ? SEND_STRING(SS_LGUI("s")) : SEND_STRING(SS_LCTRL("s"));
            }
            return false;
        case UNDO:
            if (record->event.pressed) {
                onMac ? SEND_STRING(SS_LGUI("z")) : SEND_STRING(SS_LCTRL("z"));
            }
            return false;
        case REDO:
            if (record->event.pressed) {
                onMac ? SEND_STRING(SS_LGUI(SS_LSFT("z"))) : SEND_STRING(SS_LCTRL("y"));
            }
            return false;
        case FIND:
            if (record->event.pressed) {
                onMac ? SEND_STRING(SS_LGUI("f")) : SEND_STRING(SS_LCTRL("f"));
            }
            return false;
        case WIN_TO_RIGHT:
            if (record->event.pressed) {
                onMac ? tap_code16(SGUI(A(KC_RIGHT))) : tap_code16(G(KC_RIGHT));
            }
            return false;
        case WIN_TO_LEFT:
            if (record->event.pressed) {
                onMac ? tap_code16(SGUI(A(KC_LEFT))) : tap_code16(G(KC_LEFT));
            }
            return false;
        case CHG_LAYOUT:
            if (record->event.pressed) {
                onMac ? SEND_STRING(SS_LCTRL(" ")) : SEND_STRING(SS_LCTRL("f"));
            }
            return false;
            // == Multi Os END ===
#ifdef RGBLIGHT_ENABLE
        case RGB_SLD:
            if (record->event.pressed) {
                rgblight_mode(1);
            }
            return false;
            break;
            // First time alt + tab, and alt stays sticky. Next press we just send tab. Any other key releases the alt
#endif
    }
    // =============== ALT_TAB single key handling
    return process_alt_tab(keycode, record);
};