No task data to display.
`;
}
renderStageChart(metrics.tasksByStage);
renderAssigneeChart(metrics.tasksByAssignee);
};
const renderStageChart = (tasksByStage) => {
const ctx = elements.stageChartCanvas?.getContext('2d');
if (!ctx) return;
const labels = ['To Do', 'In Progress', 'In Review', 'Blocked', 'Completed'];
const data = labels.map(label => tasksByStage[label] || 0);
if (stageChart) stageChart.destroy();
stageChart = new Chart(ctx, {
type: 'bar',
data: { labels, datasets: [{ label: 'Tasks', data, backgroundColor: ['#64748b', '#3b82f6', '#8b5cf6', '#ef4444', '#22c55e'] }] },
options: { responsive: true, maintainAspectRatio: true, plugins: { legend: { display: false } } }
});
};
const renderAssigneeChart = (tasksByAssignee) => {
const ctx = elements.assigneeChartCanvas?.getContext('2d');
if (!ctx) return;
const labels = Object.keys(tasksByAssignee);
const data = Object.values(tasksByAssignee);
if (assigneeChart) assigneeChart.destroy();
assigneeChart = new Chart(ctx, {
type: 'doughnut',
data: { labels, datasets: [{ label: 'Active Tasks', data, backgroundColor: ['#3b82f6', '#10b981', '#ef4444', '#f59e0b', '#8b5cf6'], hoverOffset: 4 }] },
options: { responsive: true, maintainAspectRatio: true, plugins: { legend: { position: 'top' } } }
});
};
const renderConfigPanel = () => {
const container = elements.editableList;
if (!container) return;
container.innerHTML = '';
taskData.forEach(d => {
const card = document.createElement('div');
card.className = 'grid grid-cols-1 md:grid-cols-4 gap-4 items-center bg-white p-3 rounded-lg border';
card.innerHTML = `
`;
container.appendChild(card);
});
};
const handleAddLog = (e) => {
e.preventDefault();
try {
const newLog = {
id: taskData.length > 0 ? Math.max(...taskData.map(d => d.id)) + 1 : 1,
name: document.getElementById('taskName').value,
assignee: document.getElementById('assignee').value,
status: document.getElementById('status').value,
created: document.getElementById('createdDate').value,
due: document.getElementById('dueDate').value,
};
taskData.push(newLog);
elements.addForm.reset();
renderAll();
showToast('Task added!');
} catch (error) {
console.error("Error adding record:", error);
showToast("Error: Could not add record.");
}
};
const handleConfigListClick = (e) => {
const target = e.target.closest('button');
if (!target) return;
const action = target.dataset.action;
const id = parseInt(target.dataset.id, 10);
if (action === 'update') {
const index = taskData.findIndex(d => d.id === id);
if (index === -1) return;
const inputs = target.closest('.grid').querySelectorAll('input');
inputs.forEach(input => {
taskData[index][input.dataset.field] = input.value;
});
} else if (action === 'delete') {
taskData = taskData.filter(d => d.id !== id);
}
renderAll();
showToast(`Record ${action}d successfully!`);
};
const handleGeneratePDF = () => {
try {
const { jsPDF } = window.jspdf;
const doc = new jsPDF();
const metrics = calculateMetrics();
doc.setFontSize(20);
doc.text("Work-in-Progress Report", 105, 20, null, null, 'center');
doc.setFontSize(10);
doc.text(`Generated on: ${new Date().toLocaleDateString()}`, 105, 26, null, null, 'center');
doc.autoTable({ startY: 35, head: [['Metric', 'Value']], body: [ ['Tasks In Progress', metrics.inProgress], ['Tasks Overdue', metrics.overdue], ['Avg. Task Age (Days)', metrics.avgAge.toFixed(0)], ['Overall Progress', `${metrics.progress.toFixed(0)}%`] ], theme: 'grid' });
let finalY = doc.lastAutoTable.finalY || 60;
doc.setFontSize(14);
doc.text("Tasks by Stage", 14, finalY + 15);
doc.addImage(elements.stageChartCanvas.toDataURL('image/png', 1.0), 'PNG', 14, finalY + 20, 180, 80);
finalY += 95;
doc.setFontSize(14);
doc.text("Task Log", 14, finalY);
const sortedData = [...taskData].sort((a, b) => new Date(a.due) - new Date(b.due));
const tableBody = sortedData.slice(0, 20).map(d => [d.name, d.assignee, d.status, new Date(d.due).toLocaleDateString()]);
doc.autoTable({ head: [['Task', 'Assignee', 'Status', 'Due Date']], body: tableBody, startY: finalY + 5, theme: 'striped', headStyles: { fillColor: [202, 138, 4] } });
doc.save('WIP-Report.pdf');
} catch (error) {
console.error("Failed to generate PDF:", error);
showToast("Error: Could not generate PDF.");
}
};
const getStatusColor = (status) => {
if (status === 'Completed') return 'bg-green-100 text-green-800';
if (status === 'In Progress') return 'bg-blue-100 text-blue-800';
if (status === 'In Review') return 'bg-purple-100 text-purple-800';
if (status === 'Blocked') return 'bg-red-100 text-red-800';
return 'bg-gray-100 text-gray-800';
};
const switchTab = (tabName) => {
currentTab = tabName;
Object.values(elements.tabs).forEach(tab => tab.classList.add('hidden'));
Object.values(elements.tabButtons).forEach(btn => btn.classList.remove('active'));
elements.tabs[tabName].classList.remove('hidden');
elements.tabButtons[tabName].classList.add('active');
updateNavButtons();
};
const navigateTabs = (direction) => {
const currentIndex = tabOrder.indexOf(currentTab);
const newIndex = direction === 'next' ? Math.min(currentIndex + 1, tabOrder.length - 1) : Math.max(currentIndex - 1, 0);
if (newIndex !== currentIndex) switchTab(tabOrder[newIndex]);
};
const updateNavButtons = () => {
const currentIndex = tabOrder.indexOf(currentTab);
elements.navButtons.prev.disabled = currentIndex === 0;
elements.navButtons.next.disabled = currentIndex === tabOrder.length - 1;
};
const showToast = (message) => {
if (!elements.toast) return;
elements.toast.textContent = message;
elements.toast.classList.add('show');
setTimeout(() => { elements.toast.classList.remove('show'); }, 3000);
}
elements.addForm.addEventListener('submit', handleAddLog);
elements.editableList.addEventListener('click', handleConfigListClick);
elements.pdfButton.addEventListener('click', handleGeneratePDF);
elements.tabButtons.dashboard.addEventListener('click', () => switchTab('dashboard'));
elements.tabButtons.config.addEventListener('click', () => switchTab('config'));
elements.navButtons.prev.addEventListener('click', () => navigateTabs('prev'));
elements.navButtons.next.addEventListener('click', () => navigateTabs('next'));
renderAll();
updateNavButtons();
});
