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/**
 * RAG 검색 챗봇 μž₯치 관리 JavaScript
 */

// DOM μš”μ†Œ
const deviceTab = document.getElementById('deviceTab');
const deviceSection = document.getElementById('deviceSection');
const checkDeviceStatusButton = document.getElementById('checkDeviceStatusButton');
const deviceStatusLoading = document.getElementById('deviceStatusLoading');
const deviceStatusResult = document.getElementById('deviceStatusResult');
const statusIcon = document.getElementById('statusIcon');
const statusText = document.getElementById('statusText');
const refreshDevicesButton = document.getElementById('refreshDevicesButton');
const deviceList = document.getElementById('deviceList');
const devicesLoading = document.getElementById('devicesLoading');
const noDevicesMessage = document.getElementById('noDevicesMessage');
const loadProgramsButton = document.getElementById('loadProgramsButton');
const programsLoading = document.getElementById('programsLoading');
const programsList = document.getElementById('programsList');
const noProgramsMessage = document.getElementById('noProgramsMessage');

// μž₯치 μ„œλ²„ URL μ„€μ •
// 직접 μ ‘κ·Ό μ„€μ •: 빈 λ¬Έμžμ—΄μ΄λ©΄ ν˜„μž¬ 호슀트의 5050 포트λ₯Ό μ‚¬μš©
let DEVICE_SERVER_URL = ''; // μ„œλ²„μ—μ„œ μ „λ‹¬λœ URL이 있으면 μ΄ˆκΈ°ν™” μ‹œ 섀정됨

/**
 * μž₯치 μ„œλ²„ API 경둜 생성 ν•¨μˆ˜
 * @param {string} endpoint - API μ—”λ“œν¬μΈνŠΈ 경둜
 * @returns {string} - μ™„μ „ν•œ API URL
 */
function getDeviceApiUrl(endpoint) {
    // 직접 μ ‘κ·Ό λͺ¨λ“œμΈ 경우 (별도 μ„œλ²„μ— 직접 μš”μ²­)
    if (DEVICE_SERVER_URL) {
        return `${DEVICE_SERVER_URL}${endpoint}`;
    }
    
    // ν”„λ‘μ‹œ λͺ¨λ“œμΈ 경우 (λ‚΄λΆ€ API 경둜 μ‚¬μš©)
    return endpoint;
}

/**
 * μž₯치 μ„œλ²„ μ„€μ • μ΄ˆκΈ°ν™” (νŽ˜μ΄μ§€ λ‘œλ“œ μ‹œ 호좜)
 */
function initDeviceServerSettings() {
    console.log("μž₯치 μ„œλ²„ μ„€μ • μ΄ˆκΈ°ν™” μ‹œμž‘");
    // μ„œλ²„ URL μ„€μ • (μ›Ή μ„œλ²„λ‘œλΆ€ν„° μ„€μ • 뢈러였기)
    fetch('/api/device/settings')
        .then(response => {
            if (!response.ok) {
                throw new Error('섀정을 κ°€μ Έμ˜¬ 수 μ—†μŠ΅λ‹ˆλ‹€');
            }
            return response.json();
        })
        .then(data => {
            if (data.server_url) {
                console.log(`μž₯치 μ„œλ²„ URL 섀정됨: ${data.server_url}`);
                DEVICE_SERVER_URL = data.server_url;
            } else {
                // μ„€μ • μ—†μŒ - μžλ™ 생성 (ν˜„μž¬ 호슀트 + 포트 5050)
                const currentHost = window.location.hostname;
                const protocol = window.location.protocol;
                DEVICE_SERVER_URL = `${protocol}//${currentHost}:5051`;
                console.log(`μž₯치 μ„œλ²„ URL μžλ™ μ„€μ •: ${DEVICE_SERVER_URL}`);
            }
        })
        .catch(error => {
            console.error('μž₯치 μ„œλ²„ μ„€μ • μ΄ˆκΈ°ν™” 였λ₯˜:', error);
            // κΈ°λ³Έκ°’μœΌλ‘œ μ„€μ • (ν˜„μž¬ 호슀트 + 포트 5051)
            const currentHost = window.location.hostname;
            const protocol = window.location.protocol;
            DEVICE_SERVER_URL = `${protocol}//${currentHost}:5051`;
            console.log(`μž₯치 μ„œλ²„ URL κΈ°λ³Έκ°’ μ„€μ •: ${DEVICE_SERVER_URL}`);
        });
}

// νŽ˜μ΄μ§€ λ‘œλ“œ μ‹œ μ΄ˆκΈ°ν™”
document.addEventListener('DOMContentLoaded', () => {
    console.log("μž₯치 관리 λͺ¨λ“ˆ μ΄ˆκΈ°ν™”");
    
    // μž₯치 μ„œλ²„ μ„€μ • μ΄ˆκΈ°ν™”
    initDeviceServerSettings();
    
    // νƒ­ μ „ν™˜ 이벀트 λ¦¬μŠ€λ„ˆλŠ” 이미 app.jsμ—μ„œ λ“±λ‘λ˜μ–΄ μžˆμœΌλ―€λ‘œ μ—¬κΈ°μ„œλŠ” λ“±λ‘ν•˜μ§€ μ•ŠμŒ
    // λŒ€μ‹  μ „μ—­ ν•¨μˆ˜κ°€ μ˜¬λ°”λ₯΄κ²Œ μ„€μ •λ˜μ–΄ μžˆλŠ”μ§€ 확인
    if (typeof window.switchTab !== 'function') {
        console.log("window.switchTab ν•¨μˆ˜κ°€ μ •μ˜λ˜μ§€ μ•Šμ•˜μŠ΅λ‹ˆλ‹€. λ‚΄λΆ€ κ΅¬ν˜„μ„ μ‚¬μš©ν•©λ‹ˆλ‹€.");
    } else {
        console.log("window.switchTab ν•¨μˆ˜ μ‚¬μš© κ°€λŠ₯ν•©λ‹ˆλ‹€.");
    }
    
    // μž₯치 μƒνƒœ 확인 λ²„νŠΌ 이벀트 λ¦¬μŠ€λ„ˆ
    checkDeviceStatusButton.addEventListener('click', () => {
        console.log("μž₯치 μƒνƒœ 확인 λ²„νŠΌ 클릭");
        checkDeviceStatus();
    });
    
    // μž₯치 λͺ©λ‘ μƒˆλ‘œκ³ μΉ¨ λ²„νŠΌ 이벀트 λ¦¬μŠ€λ„ˆ
    refreshDevicesButton.addEventListener('click', () => {
        console.log("μž₯치 λͺ©λ‘ μƒˆλ‘œκ³ μΉ¨ λ²„νŠΌ 클릭");
        loadDevices();
    });
    
    // ν”„λ‘œκ·Έλž¨ λͺ©λ‘ λ‘œλ“œ λ²„νŠΌ 이벀트 λ¦¬μŠ€λ„ˆ
    loadProgramsButton.addEventListener('click', () => {
        console.log("ν”„λ‘œκ·Έλž¨ λͺ©λ‘ λ‘œλ“œ λ²„νŠΌ 클릭");
        loadPrograms();
    });
});

/**
 * μ—λŸ¬ 처리 헬퍼 ν•¨μˆ˜
 * @param {Error} error - λ°œμƒν•œ 였λ₯˜
 * @returns {string} - μ‚¬μš©μžμ—κ²Œ ν‘œμ‹œν•  였λ₯˜ λ©”μ‹œμ§€
 */
function handleError(error) {
    console.error("였λ₯˜ λ°œμƒ:", error);
    
    if (error.name === 'AbortError') {
        return 'μš”μ²­ μ‹œκ°„μ΄ μ΄ˆκ³Όλ˜μ—ˆμŠ΅λ‹ˆλ‹€. μ„œλ²„κ°€ μ‘λ‹΅ν•˜μ§€ μ•ŠμŠ΅λ‹ˆλ‹€.';
    }
    
    if (error.message && (error.message.includes('NetworkError') || error.message.includes('Failed to fetch'))) {
        return 'λ„€νŠΈμ›Œν¬ 였λ₯˜κ°€ λ°œμƒν–ˆμŠ΅λ‹ˆλ‹€. μ„œλ²„μ— μ—°κ²°ν•  수 μ—†μŠ΅λ‹ˆλ‹€.';
    }
    
    return `였λ₯˜κ°€ λ°œμƒν–ˆμŠ΅λ‹ˆλ‹€: ${error.message || 'μ•Œ 수 μ—†λŠ” 였λ₯˜'}`;
}

/**
 * HTML μ΄μŠ€μΌ€μ΄ν”„ ν•¨μˆ˜ (XSS λ°©μ§€)
 * @param {string} unsafe - μ΄μŠ€μΌ€μ΄ν”„ μ „ λ¬Έμžμ—΄
 * @returns {string} - μ΄μŠ€μΌ€μ΄ν”„ ν›„ λ¬Έμžμ—΄
 */
function escapeHtml(unsafe) {
    if (typeof unsafe !== 'string') return unsafe;
    return unsafe
        .replace(/&/g, "&")
        .replace(/</g, "&lt;")
        .replace(/>/g, "&gt;")
        .replace(/"/g, "&quot;")
        .replace(/'/g, "&#039;");
}

/**
 * μž₯치 관리 μ„œλ²„ μƒνƒœ 확인 ν•¨μˆ˜ - μ „μ—­ ν•¨μˆ˜λ‘œ export
 */
async function checkDeviceStatus() {
    console.log("μž₯치 μƒνƒœ 확인 쀑...");
    
    // UI μ—…λ°μ΄νŠΈ
    deviceStatusResult.classList.add('hidden');
    deviceStatusLoading.classList.remove('hidden');
    
    try {
        // νƒ€μž„μ•„μ›ƒ 섀정을 μœ„ν•œ 컨트둀러
        const controller = new AbortController();
        const timeoutId = setTimeout(() => controller.abort(), 5000); // 5초 νƒ€μž„μ•„μ›ƒ
        
        // API μš”μ²­ - μˆ˜μ •λœ URL ꡬ성 μ‚¬μš©
        const response = await fetch(getDeviceApiUrl('/api/status'), {
            signal: controller.signal
        });
        
        clearTimeout(timeoutId); // νƒ€μž„μ•„μ›ƒ ν•΄μ œ
        
        // 응닡 처리
        if (!response.ok) {
            throw new Error(`HTTP 였λ₯˜: ${response.status}`);
        }
        
        const data = await response.json();
        console.log("μž₯치 μƒνƒœ 응닡:", data);
        
        // UI μ—…λ°μ΄νŠΈ
        deviceStatusLoading.classList.add('hidden');
        deviceStatusResult.classList.remove('hidden');
        
        if (data.status === "online") {
            // 온라인 μƒνƒœμΈ 경우
            statusIcon.innerHTML = '<i class="fas fa-circle online"></i>';
            statusText.textContent = `μ„œλ²„ μƒνƒœ: ${data.status || '정상'}`;
            
            // μžλ™μœΌλ‘œ μž₯치 λͺ©λ‘ λ‘œλ“œ
            loadDevices();
        } else {
            // μ˜€ν”„λΌμΈ λ˜λŠ” 였λ₯˜ μƒνƒœμΈ 경우
            statusIcon.innerHTML = '<i class="fas fa-circle offline"></i>';
            statusText.textContent = `μ„œλ²„ 였λ₯˜: ${data.error || 'μ•Œ 수 μ—†λŠ” 였λ₯˜'}`;
        }
    } catch (error) {
        console.error("μž₯치 μƒνƒœ 확인 였λ₯˜:", error);
        
        // UI μ—…λ°μ΄νŠΈ
        deviceStatusLoading.classList.add('hidden');
        deviceStatusResult.classList.remove('hidden');
        
        statusIcon.innerHTML = '<i class="fas fa-circle offline"></i>';
        statusText.textContent = handleError(error);
    }
}

/**
 * μž₯치 λͺ©λ‘ λ‘œλ“œ ν•¨μˆ˜
 */
async function loadDevices() {
    console.log("μž₯치 λͺ©λ‘ λ‘œλ“œ 쀑...");
    
    // UI μ—…λ°μ΄νŠΈ
    deviceList.innerHTML = '';
    noDevicesMessage.classList.add('hidden');
    devicesLoading.classList.remove('hidden');
    
    try {
        // νƒ€μž„μ•„μ›ƒ 섀정을 μœ„ν•œ 컨트둀러
        const controller = new AbortController();
        const timeoutId = setTimeout(() => controller.abort(), 5000); // 5초 νƒ€μž„μ•„μ›ƒ
        
        // API μš”μ²­ - μˆ˜μ •λœ URL ꡬ성 μ‚¬μš©
        const response = await fetch(getDeviceApiUrl('/api/devices'), {
            signal: controller.signal
        });
        
        clearTimeout(timeoutId); // νƒ€μž„μ•„μ›ƒ ν•΄μ œ
        
        // 응닡 처리
        if (!response.ok) {
            throw new Error(`HTTP 였λ₯˜: ${response.status}`);
        }
        
        const data = await response.json();
        console.log("μž₯치 λͺ©λ‘ 응닡:", data);
        
        // UI μ—…λ°μ΄νŠΈ
        devicesLoading.classList.add('hidden');
        
        if (data.devices && data.devices.length > 0) {
            // μž₯치 λͺ©λ‘ ν‘œμ‹œ
            data.devices.forEach(device => {
                const deviceElement = createDeviceItem(device);
                deviceList.appendChild(deviceElement);
            });
        } else {
            // μž₯치 μ—†μŒ λ©”μ‹œμ§€ ν‘œμ‹œ
            noDevicesMessage.classList.remove('hidden');
        }
    } catch (error) {
        console.error("μž₯치 λͺ©λ‘ λ‘œλ“œ 였λ₯˜:", error);
        
        // UI μ—…λ°μ΄νŠΈ
        devicesLoading.classList.add('hidden');
        noDevicesMessage.classList.remove('hidden');
        noDevicesMessage.textContent = handleError(error);
    }
}

/**
 * μž₯치 μ•„μ΄ν…œ 생성 ν•¨μˆ˜
 * @param {Object} device - μž₯치 정보 객체
 * @returns {HTMLElement} - μž₯치 μ•„μ΄ν…œ DOM μš”μ†Œ
 */
function createDeviceItem(device) {
    const deviceItem = document.createElement('div');
    deviceItem.classList.add('device-item');
    
    // μƒνƒœμ— λ”°λ₯Έ 클래슀 μΆ”κ°€
    if (device.status === 'online' || device.status === '온라인') {
        deviceItem.classList.add('online');
    } else if (device.status === 'offline' || device.status === 'μ˜€ν”„λΌμΈ') {
        deviceItem.classList.add('offline');
    } else if (device.status === 'warning' || device.status === 'κ²½κ³ ') {
        deviceItem.classList.add('warning');
    }
    
    // μž₯치 헀더 (이름 및 μƒνƒœ)
    const deviceHeader = document.createElement('div');
    deviceHeader.classList.add('device-item-header');
    
    const deviceName = document.createElement('div');
    deviceName.classList.add('device-name');
    deviceName.textContent = device.name || 'μ•Œ 수 μ—†λŠ” μž₯치';
    
    const deviceStatusBadge = document.createElement('div');
    deviceStatusBadge.classList.add('device-status-badge');
    
    // μƒνƒœμ— λ”°λ₯Έ λ°°μ§€ μ„€μ •
    if (device.status === 'online' || device.status === '온라인') {
        deviceStatusBadge.classList.add('online');
        deviceStatusBadge.textContent = '온라인';
    } else if (device.status === 'offline' || device.status === 'μ˜€ν”„λΌμΈ') {
        deviceStatusBadge.classList.add('offline');
        deviceStatusBadge.textContent = 'μ˜€ν”„λΌμΈ';
    } else if (device.status === 'warning' || device.status === 'κ²½κ³ ') {
        deviceStatusBadge.classList.add('warning');
        deviceStatusBadge.textContent = 'κ²½κ³ ';
    } else {
        deviceStatusBadge.textContent = device.status || 'μ•Œ 수 μ—†μŒ';
    }
    
    deviceHeader.appendChild(deviceName);
    deviceHeader.appendChild(deviceStatusBadge);
    
    // μž₯치 정보
    const deviceInfo = document.createElement('div');
    deviceInfo.classList.add('device-info');
    deviceInfo.textContent = `μœ ν˜•: ${device.type || 'μ•Œ 수 μ—†μŒ'}`;
    
    // μž₯치 μ„ΈλΆ€ 정보
    const deviceDetails = document.createElement('div');
    deviceDetails.classList.add('device-details');
    
    // μΆ”κ°€ 정보가 μžˆλŠ” 경우 ν‘œμ‹œ
    if (device.ip) {
        deviceDetails.textContent += `IP: ${device.ip}`;
    }
    if (device.mac) {
        deviceDetails.textContent += (deviceDetails.textContent ? ', ' : '') + `MAC: ${device.mac}`;
    }
    if (device.lastSeen) {
        deviceDetails.textContent += (deviceDetails.textContent ? ', ' : '') + `λ§ˆμ§€λ§‰ ν™œλ™: ${device.lastSeen}`;
    }
    
    // μ•„μ΄ν…œμ— μš”μ†Œ μΆ”κ°€
    deviceItem.appendChild(deviceHeader);
    deviceItem.appendChild(deviceInfo);
    
    if (deviceDetails.textContent) {
        deviceItem.appendChild(deviceDetails);
    }
    
    return deviceItem;
}

/**
 * ν”„λ‘œκ·Έλž¨ λͺ©λ‘ λ‘œλ“œ ν•¨μˆ˜
 */
async function loadPrograms() {
    console.log("ν”„λ‘œκ·Έλž¨ λͺ©λ‘ λ‘œλ“œ 쀑...");
    
    // UI μ—…λ°μ΄νŠΈ
    programsList.innerHTML = '';
    noProgramsMessage.classList.add('hidden');
    programsLoading.classList.remove('hidden');
    
    try {
        // νƒ€μž„μ•„μ›ƒ 섀정을 μœ„ν•œ 컨트둀러
        const controller = new AbortController();
        const timeoutId = setTimeout(() => controller.abort(), 5000); // 5초 νƒ€μž„μ•„μ›ƒ
        
        // API μš”μ²­ - μˆ˜μ •λœ URL ꡬ성 μ‚¬μš©
        const response = await fetch(getDeviceApiUrl('/api/programs'), {
            signal: controller.signal
        });
        
        clearTimeout(timeoutId); // νƒ€μž„μ•„μ›ƒ ν•΄μ œ
        
        // 응닡 처리
        if (!response.ok) {
            throw new Error(`HTTP 였λ₯˜: ${response.status}`);
        }
        
        const data = await response.json();
        console.log("ν”„λ‘œκ·Έλž¨ λͺ©λ‘ 응닡:", data);
        
        // UI μ—…λ°μ΄νŠΈ
        programsLoading.classList.add('hidden');
        
        if (data.programs && data.programs.length > 0) {
            // ν”„λ‘œκ·Έλž¨ λͺ©λ‘ ν‘œμ‹œ
            data.programs.forEach(program => {
                const programElement = createProgramItem(program);
                programsList.appendChild(programElement);
            });
        } else {
            // ν”„λ‘œκ·Έλž¨ μ—†μŒ λ©”μ‹œμ§€ ν‘œμ‹œ
            noProgramsMessage.classList.remove('hidden');
        }
    } catch (error) {
        console.error("ν”„λ‘œκ·Έλž¨ λͺ©λ‘ λ‘œλ“œ 였λ₯˜:", error);
        
        // UI μ—…λ°μ΄νŠΈ
        programsLoading.classList.add('hidden');
        noProgramsMessage.classList.remove('hidden');
        noProgramsMessage.textContent = handleError(error);
    }
}

/**
 * ν”„λ‘œκ·Έλž¨ μ•„μ΄ν…œ 생성 ν•¨μˆ˜
 * @param {Object} program - ν”„λ‘œκ·Έλž¨ 정보 객체
 * @returns {HTMLElement} - ν”„λ‘œκ·Έλž¨ μ•„μ΄ν…œ DOM μš”μ†Œ
 */
function createProgramItem(program) {
    const programItem = document.createElement('div');
    programItem.classList.add('program-item');
    
    // ν”„λ‘œκ·Έλž¨ 헀더 (이름)
    const programHeader = document.createElement('div');
    programHeader.classList.add('program-item-header');
    
    const programName = document.createElement('div');
    programName.classList.add('program-name');
    programName.textContent = program.name || 'μ•Œ 수 μ—†λŠ” ν”„λ‘œκ·Έλž¨';
    
    programHeader.appendChild(programName);
    
    // ν”„λ‘œκ·Έλž¨ μ„€λͺ…
    if (program.description) {
        const programDescription = document.createElement('div');
        programDescription.classList.add('program-description');
        programDescription.textContent = program.description;
        programItem.appendChild(programDescription);
    }
    
    // μ‹€ν–‰ λ²„νŠΌ
    const executeButton = document.createElement('button');
    executeButton.classList.add('execute-btn');
    executeButton.textContent = 'μ‹€ν–‰';
    executeButton.addEventListener('click', () => {
        executeProgram(program.id, program.name);
    });
    
    // μ•„μ΄ν…œμ— μš”μ†Œ μΆ”κ°€
    programItem.appendChild(programHeader);
    programItem.appendChild(executeButton);
    
    return programItem;
}

/**
 * ν”„λ‘œκ·Έλž¨ μ‹€ν–‰ ν•¨μˆ˜
 * @param {string} programId - μ‹€ν–‰ν•  ν”„λ‘œκ·Έλž¨ ID
 * @param {string} programName - ν”„λ‘œκ·Έλž¨ 이름 (μ•Œλ¦Όμš©)
 */
async function executeProgram(programId, programName) {
    if (!programId) return;
    
    console.log(`ν”„λ‘œκ·Έλž¨ μ‹€ν–‰ μš”μ²­: ${programId} (${programName})`);
    
    // μ‹€ν–‰ 확인
    if (!confirm(`'${programName}' ν”„λ‘œκ·Έλž¨μ„ μ‹€ν–‰ν•˜μ‹œκ² μŠ΅λ‹ˆκΉŒ?`)) {
        console.log('ν”„λ‘œκ·Έλž¨ μ‹€ν–‰ μ·¨μ†Œλ¨');
        return;
    }
    
    try {
        // λ‘œλ”© μ•Œλ¦Ό ν‘œμ‹œ
        showNotification(`'${programName}' μ‹€ν–‰ 쀑...`, 'info');
        
        // API μš”μ²­ - μˆ˜μ •λœ URL ꡬ성 μ‚¬μš©
        const response = await fetch(getDeviceApiUrl(`/api/programs/${programId}/execute`), {
            method: 'POST',
            headers: {
                'Content-Type': 'application/json'
            },
            body: JSON.stringify({}) // ν•„μš” μ‹œ μΆ”κ°€ νŒŒλΌλ―Έν„° 전달
        });
        
        // 응닡 처리
        if (!response.ok) {
            throw new Error(`HTTP 였λ₯˜: ${response.status}`);
        }
        
        const data = await response.json();
        console.log(`ν”„λ‘œκ·Έλž¨ μ‹€ν–‰ 응닡:`, data);
        
        // 결과 처리
        if (data.success) {
            showNotification(`'${programName}' μ‹€ν–‰ 성곡: ${data.message}`, 'success');
        } else {
            showNotification(`'${programName}' μ‹€ν–‰ μ‹€νŒ¨: ${data.message || 'μ•Œ 수 μ—†λŠ” 였λ₯˜'}`, 'error');
        }
    } catch (error) {
        console.error(`ν”„λ‘œκ·Έλž¨ μ‹€ν–‰ 였λ₯˜ (${programId}):`, error);
        showNotification(`'${programName}' μ‹€ν–‰ 였λ₯˜: ${handleError(error)}`, 'error');
    }
}

/**
 * μ•Œλ¦Ό ν‘œμ‹œ ν•¨μˆ˜
 * @param {string} message - μ•Œλ¦Ό λ©”μ‹œμ§€
 * @param {string} type - μ•Œλ¦Ό μœ ν˜• ('success', 'error', 'warning')
 */
function showNotification(message, type = 'info') {
    // κΈ°μ‘΄ μ•Œλ¦Όμ΄ 있으면 제거
    const existingNotification = document.querySelector('.notification');
    if (existingNotification) {
        existingNotification.remove();
    }
    
    // μƒˆ μ•Œλ¦Ό 생성
    const notification = document.createElement('div');
    notification.classList.add('notification', type);
    notification.textContent = message;
    
    // μ•Œλ¦Ό λ‹«κΈ° λ²„νŠΌ
    const closeButton = document.createElement('button');
    closeButton.classList.add('notification-close');
    closeButton.innerHTML = '&times;';
    closeButton.addEventListener('click', () => {
        notification.remove();
    });
    
    notification.appendChild(closeButton);
    
    // λ¬Έμ„œμ— μ•Œλ¦Ό μΆ”κ°€
    document.body.appendChild(notification);
    
    // 일정 μ‹œκ°„ ν›„ μžλ™μœΌλ‘œ 사라지도둝 μ„€μ •
    setTimeout(() => {
        if (document.body.contains(notification)) {
            notification.remove();
        }
    }, 5000); // 5초 ν›„ 사라짐
}

// checkDeviceStatus ν•¨μˆ˜λ₯Ό μ „μ—­μœΌλ‘œ λ…ΈμΆœ
window.checkDeviceStatus = checkDeviceStatus;