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#include <ApplicationServices/ApplicationServices.h>

void pressShiftLeftArrow(int count) {
    // Shiftキーを押す
    CGEventRef shiftDown = CGEventCreateKeyboardEvent(NULL, (CGKeyCode)56, true);
    CGEventPost(kCGHIDEventTap, shiftDown);
    CFRelease(shiftDown);

    // 文字数分だけ左矢印キーを押す
    for (int i = 0; i < count; ++i) {
        CGEventRef leftArrowDown = CGEventCreateKeyboardEvent(NULL, (CGKeyCode)123, true);
        CGEventRef leftArrowUp = CGEventCreateKeyboardEvent(NULL, (CGKeyCode)123, false);
        CGEventSetFlags(leftArrowDown, kCGEventFlagMaskShift);
        CGEventPost(kCGHIDEventTap, leftArrowDown);
        CGEventPost(kCGHIDEventTap, leftArrowUp);
        CFRelease(leftArrowDown);
        CFRelease(leftArrowUp);
        // イベント間にわずかな遅延を挿入
        usleep(10000); // 10ミリ秒待機
    }

    // Shiftキーを離す
    CGEventRef shiftUp = CGEventCreateKeyboardEvent(NULL, (CGKeyCode)56, false);
    CGEventPost(kCGHIDEventTap, shiftUp);
    CFRelease(shiftUp);
}

#include <Carbon/Carbon.h>
#include <iostream>
#include <string>
#include <unordered_map>
#include <chrono>

std::unordered_map<CGKeyCode, std::string> keyCodeMap = {
    {0, "a"}, {11, "b"}, {8, "c"}, {2, "d"}, {14, "e"}, {3, "f"},
    {5, "g"}, {4, "h"}, {34, "i"}, {38, "j"}, {40, "k"}, {37, "l"},
    {46, "m"}, {45, "n"}, {31, "o"}, {35, "p"}, {12, "q"}, {15, "r"},
    {1, "s"}, {17, "t"}, {32, "u"}, {9, "v"}, {13, "w"}, {7, "x"},
    {16, "y"}, {6, "z"}
};

std::string inputBuffer;
int kanaKeyPressCount = 0;
std::chrono::steady_clock::time_point firstKanaKeyPressTime;

CGEventRef eventCallback(CGEventTapProxy proxy, CGEventType type, CGEventRef event, void *refcon) {
    if (type == kCGEventKeyDown) {
        CGKeyCode keyCode = (CGKeyCode)CGEventGetIntegerValueField(event, kCGKeyboardEventKeycode);

        if (keyCode == 104) { // かなキー(104)が押された場合
            std::cout << "かなキーを押しました" << std::endl;
            auto now = std::chrono::steady_clock::now();

            if (kanaKeyPressCount == 0) {
                firstKanaKeyPressTime = now;
                kanaKeyPressCount = 1;
            } else if (kanaKeyPressCount == 1) {
                auto duration = std::chrono::duration_cast<std::chrono::seconds>(now - firstKanaKeyPressTime).count();
                if (duration <= 1) { // 1秒以内に2回目が押された場合
                    std::string command = "osascript \"LatinToHiragana.applescript\" " + inputBuffer;
                    std::cout << "command: " << command << std::endl;
                    system(command.c_str()); // コマンドを実行

                    inputBuffer.clear();
                    std::cout << "AppleScript実行。Current Bufferをリセット" << std::endl;
                } else {
                    std::cout << "1秒以上経過のため、カウントをリセット" << std::endl;
                }
                kanaKeyPressCount = 0; // カウントをリセット
            }
        } else {
            auto it = keyCodeMap.find(keyCode);
            if (it != keyCodeMap.end()) {
                inputBuffer += it->second;
                std::cout << "Current Buffer: " << inputBuffer << std::endl;
            } else {
                inputBuffer.clear();
                std::cout << "Current Bufferをリセット" << std::endl;
            }
        }
    }

    return event;
}

int main() {
    CFMachPortRef eventTap = CGEventTapCreate(kCGSessionEventTap, kCGHeadInsertEventTap, kCGEventTapOptionDefault, CGEventMaskBit(kCGEventKeyDown), eventCallback, nullptr);
    if (!eventTap) {
        std::cerr << "Failed to create event tap" << std::endl;
        return 1;
    }

    CFRunLoopSourceRef runLoopSource = CFMachPortCreateRunLoopSource(kCFAllocatorDefault, eventTap, 0);
    CFRunLoopAddSource(CFRunLoopGetCurrent(), runLoopSource, kCFRunLoopCommonModes);
    CGEventTapEnable(eventTap, true);
    CFRunLoopRun();

    return 0;
}