sewing_tools/sewing_tools_launcher.html at main · mbarneche/sewing_tools · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Sewing Tools</title>
    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #333;
        }

        .container {
            background: white;
            border-radius: 16px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
            padding: 48px 40px;
            max-width: 450px;
            width: 90%;
            text-align: center;
        }

        h1 {
            font-size: 28px;
            margin-bottom: 8px;
            color: #222;
        }

        .subtitle {
            color: #999;
            font-size: 14px;
            margin-bottom: 24px;
        }

        .message {
            font-size: 16px;
            color: #555;
            line-height: 1.6;
            margin: 20px 0;
        }

        .status {
            font-size: 13px;
            color: #999;
            margin: 12px 0;
            height: 20px;
        }

        .spinner {
            display: inline-block;
            width: 18px;
            height: 18px;
            border: 3px solid #f0f0f0;
            border-top-color: #667eea;
            border-radius: 50%;
            animation: spin 0.8s linear infinite;
            margin-right: 8px;
            vertical-align: middle;
        }

        @keyframes spin {
            to {
                transform: rotate(360deg);
            }
        }

        /* Update Notification */
        .notification {
            position: fixed;
            top: 24px;
            right: 24px;
            background: white;
            padding: 20px 24px;
            border-radius: 12px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
            z-index: 1000;
            max-width: 320px;
            animation: slideIn 0.3s ease-out;
        }

        @keyframes slideIn {
            from {
                transform: translateX(400px);
                opacity: 0;
            }
            to {
                transform: translateX(0);
                opacity: 1;
            }
        }

        .notification-title {
            font-weight: 600;
            margin-bottom: 12px;
            color: #222;
            font-size: 14px;
        }

        .notification-text {
            font-size: 13px;
            color: #666;
            margin-bottom: 12px;
            line-height: 1.5;
        }

        .notification-buttons {
            display: flex;
            gap: 8px;
        }

        button {
            padding: 8px 16px;
            border: none;
            border-radius: 6px;
            cursor: pointer;
            font-size: 13px;
            font-weight: 500;
            transition: all 0.2s;
        }

        .btn-primary {
            background: #667eea;
            color: white;
        }

        .btn-primary:hover {
            background: #5568d3;
            transform: translateY(-1px);
        }

        .btn-secondary {
            background: #f0f0f0;
            color: #333;
        }

        .btn-secondary:hover {
            background: #e0e0e0;
        }

        .error {
            color: #d32f2f;
            background: #ffebee;
            padding: 12px 16px;
            border-radius: 8px;
            margin: 12px 0;
            font-size: 13px;
        }

        .version-info {
            font-size: 12px;
            color: #bbb;
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid #eee;
        }

        @media (max-width: 480px) {
            .container {
                padding: 32px 24px;
            }

            .notification {
                top: 12px;
                right: 12px;
                left: 12px;
                max-width: none;
            }
        }
    </style>
</head>
<body>
    <div class="container">
        <h1>Sewing Tools</h1>
        <div class="message" id="message">Initializing...</div>
        <div class="status" id="status"></div>
        <div id="errorContainer"></div>

        <div class="version-info">
            <span id="versionText">v0.0.0</span>
        </div>
    </div>

    <script>
        // ============================================================================
        // CONFIGURATION
        // ============================================================================
        const CONFIG = {
            GITHUB_USER: 'mbarneche',
            GITHUB_REPO: 'sewing_tools',
            APP_ROOT_PATH: 'app/',
            MANIFEST_PATH:  'app/manifest.json',
            UPDATE_CHECK_INTERVAL: 7 * 24 * 60 * 60 * 1000, // 7 days in milliseconds
            JSZIP_CDN: ''
        };

        const DB_NAME = 'SewingToolsDB';
        const DB_VERSION = 1;
        const STORE_NAME = 'files';
        const META_KEY = '__metadata__';

        let db;

        // ============================================================================
        // IndexedDB OPERATIONS
        // ============================================================================
        async function initDB() {
            return new Promise((resolve, reject) => {
                const request = indexedDB.open(DB_NAME, DB_VERSION);

                request.onerror = () => reject(request.error);
                request.onsuccess = () => {
                    db = request.result;
                    resolve();
                };

                request.onupgradeneeded = (event) => {
                    const database = event.target.result;
                    if (!database.objectStoreNames.contains(STORE_NAME)) {
                        database.createObjectStore(STORE_NAME);
                    }
                };
            });
        }

        async function storeFile(path, content) {
            return new Promise((resolve, reject) => {
                const transaction = db.transaction([STORE_NAME], 'readwrite');
                const store = transaction.objectStore(STORE_NAME);
                const request = store.put(content, path);
                request.onerror = () => reject(request.error);
                request.onsuccess = resolve;
            });
        }

        async function getFile(path) {
            return new Promise((resolve, reject) => {
                const transaction = db.transaction([STORE_NAME], 'readonly');
                const store = transaction.objectStore(STORE_NAME);
                const request = store.get(path);
                request.onerror = () => reject(request.error);
                request.onsuccess = () => resolve(request.result);
            });
        }

        async function deleteFile(path) {
            return new Promise((resolve, reject) => {
                const transaction = db.transaction([STORE_NAME], 'readwrite');
                const store = transaction.objectStore(STORE_NAME);
                const request = store.delete(path);
                request.onerror = () => reject(request.error);
                request.onsuccess = resolve;
            });
        }

        async function getAllKeys() {
            return new Promise((resolve, reject) => {
                const transaction = db.transaction([STORE_NAME], 'readonly');
                const store = transaction.objectStore(STORE_NAME);
                const request = store.getAllKeys();
                request.onerror = () => reject(request.error);
                request.onsuccess = () => resolve(request.result);
            });
        }

        async function getMetadata() {
            return getFile(META_KEY);
        }

        async function storeMetadata(data) {
            return storeFile(META_KEY, data);
        }

        // ============================================================================
        // GITHUB API OPERATIONS
        // ============================================================================
        async function getLatestRelease() {
            const url = `https://api.github.com/repos/${CONFIG.GITHUB_USER}/${CONFIG.GITHUB_REPO}/releases/latest`;
            const response = await fetch(url, {
                headers: { 'Accept': 'application/vnd.github+json' }
            });
            if (!response.ok) {
                const detail = await response.text();
                throw new Error(`GitHub API error (${response.status}): ${detail}`);
            }
            return response.json();
        }

        async function downloadFile(url) {
            const response = await fetch(url);
            if (!response.ok) {
                const detail = await response.text();
                throw new Error(`Download failed (${response.status}): ${detail}`);
            }
            return response.arrayBuffer();
        }

        async function downloadJson(url) {
            const response = await fetch(url, {
                headers: { 'Accept': 'application/json' }
            });
            if (!response.ok) {
                const detail = await response.text();
                throw new Error(`Download failed (${response.status}): ${detail}`);
            }
            return response.json();
        }

        function getManifestUrl(release) {
            const tag = release.tag_name;
            const path = (CONFIG.MANIFEST_PATH || '').replace(/^\/+/, '');
            if (tag && path) {
                return `https://raw.githubusercontent.com/${CONFIG.GITHUB_USER}/${CONFIG.GITHUB_REPO}/${tag}/${path}`;
            }

            throw new Error('Manifest path is missing. Set CONFIG.MANIFEST_PATH.');
        }

        function getRawFileUrl(release, filePath) {
            const tag = release.tag_name;
            const appRoot = String(CONFIG.APP_ROOT_PATH || '').replace(/^\/+/, '');
            const path = String(filePath || '').replace(/^\/+/, '');
            if (!tag || !path) {
                throw new Error('Manifest contains an invalid file path.');
            }
            return `https://raw.githubusercontent.com/${CONFIG.GITHUB_USER}/${CONFIG.GITHUB_REPO}/${tag}/${appRoot}${path}`;
        }

        async function downloadAndStoreManifestFiles(release) {
            updateStatus('Downloading manifest...');

            const manifestUrl = getManifestUrl(release);
            const manifest = await downloadJson(manifestUrl);
            const files = Array.isArray(manifest.files) ? manifest.files : [];

            if (files.length === 0) {
                throw new Error('Manifest has no files. Check app/manifest.json.');
            }

            let fileCount = 0;
            for (const filePath of files) {
                const fileUrl = getRawFileUrl(release, filePath);
                const content = await downloadFile(fileUrl);
                await storeFile(filePath, content);

                fileCount++;
                if (fileCount % 10 === 0) {
                    updateStatus(`Downloading files... (${fileCount}/${files.length})`);
                }
            }

            const metadata = {
                version: release.tag_name,
                downloadedAt: new Date().toISOString(),
                lastUpdateCheck: new Date().getTime(),
                files
            };

            await storeMetadata(metadata);

            return fileCount;
        }

        // ============================================================================
        // UI UPDATES
        // ============================================================================
        function updateMessage(msg) {
            const element = document.getElementById('message');
            if (element) element.textContent = msg;
        }

        function updateStatus(msg) {
            const element = document.getElementById('status');
            if (element) {
                if (msg) {
                    element.innerHTML = `<span class="spinner"></span>${msg}`;
                } else {
                    element.textContent = '';
                }
            }
        }

        function setVersion(version) {
            const element = document.getElementById('versionText');
            if (element) element.textContent = `v${version.replace(/^v/, '')}`;
        }

        function showError(message) {
            const container = document.getElementById('errorContainer');
            if (container) {
                container.innerHTML = `<div class="error">${message}</div>`;
            }
        }

        function clearError() {
            const container = document.getElementById('errorContainer');
            if (container) container.innerHTML = '';
        }

        // ============================================================================
        // NOTIFICATIONS
        // ============================================================================
        function showNotification(title, message, onConfirm, onCancel) {
            const notification = document.createElement('div');
            notification.className = 'notification';

            const confirmBtn = document.createElement('button');
            confirmBtn.className = 'btn-primary';
            confirmBtn.textContent = 'Yes';
            confirmBtn.onclick = () => {
                notification.remove();
                onConfirm();
            };

            const cancelBtn = document.createElement('button');
            cancelBtn.className = 'btn-secondary';
            cancelBtn.textContent = 'Not Now';
            cancelBtn.onclick = () => {
                notification.remove();
                onCancel && onCancel();
            };

            notification.innerHTML = `
                <div class="notification-title">${title}</div>
                <div class="notification-text">${message}</div>
                <div class="notification-buttons"></div>
            `;

            notification.querySelector('.notification-buttons').appendChild(confirmBtn);
            notification.querySelector('.notification-buttons').appendChild(cancelBtn);

            document.body.appendChild(notification);

            // Auto-dismiss after 30 seconds if not interacted
            setTimeout(() => {
                if (notification.parentElement) {
                    notification.remove();
                    onCancel && onCancel();
                }
            }, 30000);
        }

        // ============================================================================
        // UPDATE CHECKING
        // ============================================================================
        async function checkForUpdates() {
            try {
                const metadata = await getMetadata();
                if (!metadata) return; // First run, nothing to update

                updateStatus('Checking for updates...');

                const release = await getLatestRelease();
                const currentVersion = metadata.version;
                const newVersion = release.tag_name;

                // Update last check time
                metadata.lastUpdateCheck = new Date().getTime();
                await storeMetadata(metadata);

                if (currentVersion !== newVersion) {
                    clearError();
                    showNotification(
                        `📦 Update available: ${newVersion}`,
                        `Your current version: ${currentVersion}<br>Download and install the new version?`,
                        async () => await downloadUpdate(release),
                        () => updateStatus('')
                    );
                } else {
                    updateStatus('Already up to date');
                    setTimeout(() => updateStatus(''), 2500);
                }

            } catch (error) {
                console.error('Update check failed:', error);
                updateStatus('');
                showError('⚠️ Could not check for updates (offline?)');
                setTimeout(clearError, 5000);
            }
        }

        async function downloadUpdate(release) {
            try {
                updateStatus('Downloading update...');

                updateStatus('Installing update...');

                // Clear old files
                const oldKeys = await getAllKeys();
                for (const key of oldKeys) {
                    if (key !== META_KEY) {
                        await deleteFile(key);
                    }
                }

                // Download and store new files
                await downloadAndStoreManifestFiles(release);

                showNotification(
                    '✅ Update installed',
                    'Reloading app...',
                    () => location.reload(),
                    () => location.reload()
                );

            } catch (error) {
                console.error('Update download failed:', error);
                updateStatus('');
                showError(`❌ Update failed: ${error.message}`);

                showNotification(
                    '⚠️ Update failed',
                    'Continue with current version?',
                    () => openApp(),
                    () => openApp()
                );
            }
        }

        // ============================================================================
        // OPENING THE APP
        // ============================================================================
        async function openApp() {
            try {
                updateStatus('Opening app...');

                // Register service worker to serve files from IndexedDB
                // Service Workers only work with http/https, not file://
                const isFileProtocol = window.location.protocol === 'file:';
                if ('serviceWorker' in navigator && !isFileProtocol) {
                    await registerServiceWorker();
                }

                // Redirect to app page
                setTimeout(() => {
                    // For file:// protocol, use relative path; for http(s), use absolute path
                    const appPath = isFileProtocol ? './app/index.html' : '/app/';
                    window.location.href = appPath;
                }, 500);

            } catch (error) {
                console.error('Failed to open app:', error);
                showError('Error loading app. Please refresh the page.');
            }
        }

        // ============================================================================
        // SERVICE WORKER
        // ============================================================================
        async function registerServiceWorker() {
            // Only register service worker if not using file:// protocol
            protocol = window.location.protocol;
            isFileProtocol = protocol === 'file:' || protocol === 'filesystem:' || protocol === 'content:';
            if (isFileProtocol) {
                console.warn(`Service Worker not available with ${protocol}// protocol. Files will be served directly.`);
                return;
            }

            try {
                const swCode = `
                const DB_NAME = '${DB_NAME}';
                const STORE_NAME = '${STORE_NAME}';

                async function getFromDB(path) {
                    return new Promise((resolve, reject) => {
                        const request = indexedDB.open(DB_NAME);
                        request.onsuccess = () => {
                            const db = request.result;
                            const transaction = db.transaction([STORE_NAME], 'readonly');
                            const store = transaction.objectStore(STORE_NAME);
                            const req = store.get(path);
                            req.onsuccess = () => resolve(req.result);
                            req.onerror = () => reject(req.error);
                        };
                        request.onerror = () => reject(request.error);
                    });
                }

                self.addEventListener('fetch', (event) => {
                    const url = new URL(event.request.url);

                    if (url.pathname === '/' || url.pathname === '/app/') {
                        event.respondWith(getFromDB('index.html').then(blob => {
                            return new Response(blob, {
                                headers: { 'Content-Type': 'text/html' }
                            });
                        }));
                    } else {
                        const filePath = url.pathname.replace(/^\\/app\\//, '');
                        event.respondWith(
                            getFromDB(filePath).then(blob => {
                                if (!blob) {
                                    return fetch(event.request);
                                }
                                const contentType = filePath.endsWith('.js') ? 'application/javascript' :
                                                   filePath.endsWith('.css') ? 'text/css' :
                                                   filePath.endsWith('.json') ? 'application/json' :
                                                   'text/plain';
                                return new Response(blob, {
                                    headers: { 'Content-Type': contentType }
                                });
                            }).catch(() => fetch(event.request))
                        );
                    }
                });
                `;

                const swBlob = new Blob([swCode], { type: 'application/javascript' });
                const swUrl = URL.createObjectURL(swBlob);

                await navigator.serviceWorker.register(swUrl, { scope: '/app/' });
            } catch (error) {
                console.warn('Service Worker registration failed:', error);
            }
        }

        // ============================================================================
        // INITIALIZATION
        // ============================================================================
        async function init() {
            try {
                await initDB();

                const metadata = await getMetadata();

                if (!metadata) {
                    // ===== FIRST RUN =====
                    updateMessage('Downloading Sewing Tools (first time)...');
                    updateStatus('Requires internet connection');

                    const release = await getLatestRelease();
                    updateStatus('Downloading files...');

                    await downloadAndStoreManifestFiles(release);

                    setVersion(release.tag_name);
                    updateMessage('Ready!');
                    updateStatus('');

                    setTimeout(() => openApp(), 1000);

                } else {
                    // ===== RETURNING USER =====
                    setVersion(metadata.version);
                    updateMessage('Welcome back!');
                    updateStatus('');

                    // Check if we should prompt for updates
                    const timeSinceCheck = new Date().getTime() - metadata.lastUpdateCheck;

                    if (timeSinceCheck > CONFIG.UPDATE_CHECK_INTERVAL) {
                        // Prompt for update check
                        setTimeout(() => {
                            showNotification(
                                '🔄 Check for updates?',
                                'It means connecting to the internet briefly to see if there\'s a newer version.',
                                checkForUpdates,
                                () => openApp()
                            );
                        }, 600);
                    } else {
                        // No update check needed yet - just open the app silently
                        setTimeout(() => openApp(), 800);
                    }
                }

            } catch (error) {
                console.error('Initialization error:', error);
                updateMessage('Error');
                showError(error.message);
            }
        }

        // Start initialization
        init();
    </script>
</body>
</html>