Arp

```javascript /* TrackForge MVP — Vanilla JS Storage: window.localStorage under key TF_DATA_V1 */ (function () { const LS_KEY = 'TF_DATA_V1'; const THEME_KEY = 'TF_THEME'; const EL = { // Main App grid: document.getElementById('projectGrid'), form: document.getElementById('projectForm'), trackName: document.getElementById('trackName'), genre: document.getElementById('genre'), status: document.getElementById('status'), deadline: document.getElementById('deadline'), themeToggle: document.getElementById('themeToggle'), search: document.getElementById('search'), filterStatus: document.getElementById('filterStatus'), clearAll: document.getElementById('clearAllBtn'), newProjectBtn: document.getElementById('newProjectBtn'), // Modal Elements modal: document.getElementById('projectModal'), modalForm: document.getElementById('modalForm'), modalTitle: document.getElementById('modalTitle'), m_name: document.getElementById('m_name'), m_genre: document.getElementById('m_genre'), m_status: document.getElementById('m_status'), m_deadline: document.getElementById('m_deadline'), newTaskText: document.getElementById('newTaskText'), addTaskBtn: document.getElementById('addTaskBtn'), taskList: document.getElementById('taskList'), deleteProjectBtn: document.getElementById('deleteProjectBtn'), saveProjectBtn: document.getElementById('saveProjectBtn'), }; let projects = []; // Array to hold all project data let currentProjectId = null; // To track which project is open in the modal // --- Helper Functions --- const generateId = () => Date.now().toString(36) + Math.random().toString(36).substring(2); const getStatusClass = (status) => { return status.toLowerCase().replace(/\s/g, '-'); }; const formatDate = (dateString) => { if (!dateString) return 'N/A'; const date = new Date(dateString); return date.toLocaleDateString('en-US', { year: 'numeric', month: 'short', day: 'numeric' }); }; const calculateDaysLeft = (deadline) => { if (!deadline) return null; const today = new Date(); const deadlineDate = new Date(deadline); today.setHours(0, 0, 0, 0); // Normalize today to start of day deadlineDate.setHours(0, 0, 0, 0); // Normalize deadline to start of day const diffTime = deadlineDate.getTime() - today.getTime(); const diffDays = Math.ceil(diffTime / (1000 * 60 * 60 * 24)); return diffDays; }; // --- Local Storage Operations --- const loadProjects = () => { const data = localStorage.getItem(LS_KEY); if (data) { projects = JSON.parse(data); } else { // Initialize with some dummy data if no projects exist projects = [ { id: generateId(), name: "Nova Spektrum 01", genre: "Psytrance", status: "In Progress", deadline: "2024-07-30", tasks: [ { id: generateId(), text: "Write main bassline", completed: true }, { id: generateId(), text: "Arrange breakdown 1", completed: false }, { id: generateId(), text: "Mix kick & bass", completed: false }, ] }, { id: generateId(), name: "Dream Sequence", genre: "Ambient", status: "Idea", deadline: "", tasks: [ { id: generateId(), text: "Brainstorm chord progressions", completed: false }, { id: generateId(), text: "Gather field recordings", completed: false }, ] }, { id: generateId(), name: "Urban Pulse", genre: "Techno", status: "Finished", deadline: "2024-05-15", tasks: [ { id: generateId(), text: "Final Master", completed: true }, { id: generateId(), text: "Upload to platforms", completed: true }, ] } ]; } renderProjects(); }; const saveProjects = () => { localStorage.setItem(LS_KEY, JSON.stringify(projects)); }; const clearAllData = () => { if (confirm('Are you sure you want to clear ALL demo data? This cannot be undone.')) { localStorage.removeItem(LS_KEY); projects = []; renderProjects(); } }; // --- Project Rendering --- const createProjectCard = (project) => { const card = document.createElement('div'); card.className = 'project-card'; card.dataset.id = project.id; const daysLeft = calculateDaysLeft(project.deadline); const deadlineInfoHtml = project.deadline ? `
${daysLeft !== null && daysLeft < 0 ? 'Overdue' : ''} ${formatDate(project.deadline)} ${daysLeft !== null && daysLeft >= 0 ? ` (${daysLeft} day${daysLeft === 1 ? '' : 's'} left)` : ''}
` : '
No deadline set
'; card.innerHTML = `

${project.name}

Genre: ${project.genre || 'N/A'} ${project.status}
${deadlineInfoHtml} `; card.addEventListener('click', () => openProjectModal(project.id)); return card; }; const renderProjects = () => { EL.grid.innerHTML = ''; // Clear existing projects const searchTerm = EL.search.value.toLowerCase(); const filterStatus = EL.filterStatus.value; const filteredProjects = projects.filter(project => { const matchesSearch = project.name.toLowerCase().includes(searchTerm) || project.genre.toLowerCase().includes(searchTerm); const matchesStatus = filterStatus === '' || project.status === filterStatus; return matchesSearch && matchesStatus; }); if (filteredProjects.length === 0) { EL.grid.innerHTML = '

No projects found matching your criteria.

'; } else { filteredProjects.forEach(project => { EL.grid.appendChild(createProjectCard(project)); }); } }; // --- New Project Form --- const handleNewProjectSubmit = (e) => { e.preventDefault(); const newProject = { id: generateId(), name: EL.trackName.value.trim(), genre: EL.genre.value.trim(), status: EL.status.value, deadline: EL.deadline.value, tasks: [] }; if (newProject.name) { projects.unshift(newProject); // Add to the beginning saveProjects(); renderProjects(); EL.form.reset(); // Clear form } else { alert('Please enter a track name.'); } }; // --- Modal Logic --- const openProjectModal = (projectId) => { currentProjectId = projectId; const project = projects.find(p => p.id === projectId); if (!project) { console.error('Project not found:', projectId); return; } EL.modalTitle.textContent = project.name; EL.m_name.value = project.name; EL.m_genre.value = project.genre; EL.m_status.value = project.status; EL.m_deadline.value = project.deadline; renderTasks(project.tasks); EL.modal.showModal(); }; const closeProjectModal = () => { EL.modal.close(); currentProjectId = null; EL.modalForm.reset(); EL.taskList.innerHTML = ''; }; const handleModalSave = (e) => { e.preventDefault(); // Prevent default form submission inside dialog const projectIndex = projects.findIndex(p => p.id === currentProjectId); if (projectIndex === -1) return; const project = projects[projectIndex]; project.name = EL.m_name.value.trim(); project.genre = EL.m_genre.value.trim(); project.status = EL.m_status.value; project.deadline = EL.m_deadline.value; // Tasks are updated live via other functions if (project.name) { saveProjects(); renderProjects(); // Re-render to update card details closeProjectModal(); } else { alert('Track name cannot be empty.'); } }; const handleDeleteProject = () => { if (!currentProjectId) return; if (confirm(`Are you sure you want to delete "${EL.m_