const state = { orders: [], users: [], vehicles: [], recordItems: [] };
const $ = (selector) => document.querySelector(selector);
async function request(url, options) {
const response = await fetch(url, options);
const data = await response.json();
if (!response.ok) throw new Error(data.error || 'Request failed.');
return data;
}
function showError(error) { $('#notice').textContent = error.message; }
function formatTime(value) { return new Date(value).toLocaleTimeString([], { hour: '2-digit', minute: '2-digit' }); }
function titleCase(value) { return value.replaceAll('_', ' '); }
function emptyMessage(message) { return `${message}
`; }
function escapeHtml(value) { return String(value ?? '').replace(/[&<>'"]/g, (character) => ({ '&': '&', '<': '<', '>': '>', "'": ''', '"': '"' }[character])); }
async function loadOverview() {
try {
const [summary, appointments, orders] = await Promise.all([request('/api/summary'), request('/api/appointments'), request('/api/orders')]);
$('#today-appointments').textContent = summary.today_appointments;
$('#active-orders').textContent = summary.active_orders;
$('#customer-count').textContent = summary.customers;
$('#vehicle-count').textContent = summary.vehicles;
$('#appointments-list').innerHTML = appointments.length ? appointments.map((appointment) => `${formatTime(appointment.scheduled_at)}${appointment.customer_name}
${appointment.make} ${appointment.model} · ${appointment.reason}
`).join('') : emptyMessage('No appointments scheduled for today.');
$('#orders-list').innerHTML = orders.length ? orders.slice(0, 5).map((order) => `${escapeHtml(order.registration_number)}${escapeHtml(`${order.make} ${order.model}`)}
${escapeHtml(order.complaint)}
`).join('') : emptyMessage('No active service orders.');
document.querySelectorAll('.open-order-button').forEach((button) => button.addEventListener('click', async () => { switchView('orders'); await loadOrders(); const record = state.orders.find((order) => order.service_order_id === button.dataset.orderId); if (record) editRecord(record); }));
} catch (error) { showError(error); }
}
async function loadCustomers() {
try {
const customers = await request('/api/customers');
$('#customers-table').innerHTML = customers.length ? customers.map((customer) => `| ${customer.first_name} ${customer.last_name} | ${customer.email || '—'}
${customer.phone || ''} | ${customer.vehicle_count} | ${new Date(customer.created_at || Date.now()).toLocaleDateString()} |
`).join('') : `| ${emptyMessage('No customers yet.')} |
`;
} catch (error) { showError(error); }
}
async function loadOrders() {
try {
state.orders = await request('/api/service-records');
renderOrders();
} catch (error) { showError(error); }
}
function renderOrders() {
const filters = Object.fromEntries(new FormData($('#order-filters')));
const vehicleFilter = filters.vehicle.trim().toLowerCase();
const customerFilter = filters.customer.trim().toLowerCase();
const technicianFilter = filters.technician.trim().toLowerCase();
const visibleOrders = state.orders.filter((order) => {
const vehicleText = `${order.vin || ''} ${order.license_plate || ''} ${order.make || ''} ${order.model || ''}`.toLowerCase();
const customerText = `${order.customer_name || ''} ${order.customer_email || ''}`.toLowerCase();
const technicianText = (order.technician || '').toLowerCase();
const serviceDate = String(order.service_date || '').slice(0, 10);
return (!vehicleFilter || vehicleText.includes(vehicleFilter)) && (!customerFilter || customerText.includes(customerFilter)) && (!technicianFilter || technicianText.includes(technicianFilter)) && (!filters.dateFrom || serviceDate >= filters.dateFrom) && (!filters.dateTo || serviceDate <= filters.dateTo) && (!filters.status || order.status === filters.status);
});
$('#orders-table').innerHTML = visibleOrders.length ? visibleOrders.map((order) => `| ${escapeHtml(order.service_date)} | ${escapeHtml(order.vin || '—')} | ${escapeHtml(order.license_plate)} | ${escapeHtml(`${order.make || ''} ${order.model || ''}`.trim())} | ${Number(order.mileage).toLocaleString()} km | ${escapeHtml(order.customer_name)} | ${escapeHtml(order.technician)} | ${escapeHtml(order.complaint)} | €${Number(order.total || 0).toFixed(2)} | | |
`).join('') : `| ${emptyMessage(state.orders.length ? 'No service records match these filters.' : 'No service records yet.')} |
`;
document.querySelectorAll('.status-select').forEach((select) => select.addEventListener('change', updateOrderStatus));
document.querySelectorAll('.edit-button[data-record-id]').forEach((button) => button.addEventListener('click', () => editRecord(state.orders.find((order) => order.service_order_id === button.dataset.recordId))));
}
async function loadVehicles() {
try {
state.vehicles = await request('/api/vehicles');
$('#vehicles-table').innerHTML = state.vehicles.length ? state.vehicles.map((vehicle) => `${escapeHtml(`${vehicle.make || ''} ${vehicle.model || ''}`.trim())}
${vehicle.model_year || 'Year not set'} | ${escapeHtml(vehicle.license_plate)}
${escapeHtml(vehicle.vin || 'VIN not set')} | ${escapeHtml([vehicle.engine, vehicle.transmission, vehicle.fuel_type, vehicle.color].filter(Boolean).join(' · ') || 'Specifications not set')} | ${escapeHtml(vehicle.customer_name)} | ${Number(vehicle.mileage).toLocaleString()} km | ${vehicle.service_record_count} |
`).join('') : `| ${emptyMessage('No vehicles registered yet.')} |
`;
} catch (error) { showError(error); }
}
async function loadUsers() {
try {
state.users = await request('/api/users');
$('#users-table').innerHTML = state.users.map((user) => `${escapeHtml(user.display_name)}${escapeHtml(user.username)}
${escapeHtml(user.email || '')} | ${escapeHtml(titleCase(user.role))} | ${user.can_read ? 'Yes' : 'No'} | ${user.can_add ? 'Yes' : 'No'} | ${user.can_delete ? 'Yes' : 'No'} | |
`).join('');
document.querySelectorAll('.delete-button').forEach((button) => button.addEventListener('click', deleteUser));
document.querySelectorAll('.edit-button[data-user-id]').forEach((button) => button.addEventListener('click', () => editUser(state.users.find((user) => user.user_id === button.dataset.userId))));
} catch (error) { showError(error); }
}
function editUser(user) {
const form = $('#user-form'); form.dataset.editId = user.user_id;
form.elements.username.value = user.username; form.elements.username.disabled = true;
form.elements.displayName.value = user.display_name; form.elements.email.value = user.email || '';
form.elements.role.value = user.role; form.elements.canRead.checked = user.can_read; form.elements.canAdd.checked = user.can_add; form.elements.canDelete.checked = user.can_delete;
$('#user-dialog-title').textContent = 'Edit user'; $('#user-submit-button').textContent = 'Save changes'; $('#user-dialog').showModal();
}
function editRecord(record) {
const form = $('#record-form'); form.dataset.editId = record.service_order_id;
for (const name of ['serviceDate', 'vin', 'licensePlate', 'make', 'model', 'modelYear', 'engine', 'transmission', 'fuelType', 'color', 'customerName', 'customerEmail', 'customerPhone', 'mileage', 'technicianName', 'complaint']) form.elements[name].value = record[name === 'licensePlate' ? 'license_plate' : name === 'modelYear' ? 'model_year' : name === 'customerName' ? 'customer_name' : name === 'customerEmail' ? 'customer_email' : name === 'customerPhone' ? 'customer_phone' : name === 'technicianName' ? 'technician' : name] || '';
state.recordItems = (record.items || []).map((item) => ({ itemType: item.item_type, description: item.description, partNumber: item.part_number || '', usedTimeHours: item.labor_time_minutes ? Number(item.labor_time_minutes) / 60 : '', quantity: item.quantity || 1, unitPrice: item.unit_price || 0 }));
renderServiceItems();
$('#record-dialog-title').textContent = 'Edit service record'; $('#record-submit-button').textContent = 'Save changes'; $('#record-dialog').showModal();
}
function renderServiceItems() {
$('#service-items').innerHTML = state.recordItems.map((item, index) => ``).join('');
$('#service-items-total').textContent = `€${state.recordItems.reduce((total, item) => total + calculateItemTotal(item), 0).toFixed(2)}`;
document.querySelectorAll('.service-item input').forEach((input) => input.addEventListener('input', (event) => { const row = event.target.closest('.service-item'); state.recordItems[row.dataset.itemIndex][event.target.dataset.itemField] = event.target.value; updateServiceItemTotals(); }));
document.querySelectorAll('.remove-item-button').forEach((button) => button.addEventListener('click', () => { state.recordItems.splice(Number(button.dataset.itemIndex), 1); renderServiceItems(); }));
}
function calculateItemTotal(item) { return item.itemType === 'labor' ? (Number(item.usedTimeHours) || 0) * (Number(item.unitPrice) || 0) : (Number(item.quantity) || 0) * (Number(item.unitPrice) || 0); }
function updateServiceItemTotals() { document.querySelectorAll('.item-line-total').forEach((total, index) => { total.textContent = `Line total: €${calculateItemTotal(state.recordItems[index]).toFixed(2)}`; }); $('#service-items-total').textContent = `€${state.recordItems.reduce((total, item) => total + calculateItemTotal(item), 0).toFixed(2)}`; }
async function deleteUser(event) {
if (!window.confirm(`Delete ${event.target.dataset.userName}?`)) return;
try { await request(`/api/users/${event.target.dataset.userId}`, { method: 'DELETE' }); await loadUsers(); } catch (error) { showError(error); }
}
async function updateOrderStatus(event) {
try { await request(`/api/orders/${event.target.dataset.orderId}/status`, { method: 'PATCH', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify({ status: event.target.value }) }); await loadOrders(); await loadOverview(); } catch (error) { showError(error); }
}
function switchView(viewName) {
document.querySelectorAll('.view').forEach((view) => view.classList.toggle('active-view', view.id === `${viewName}-view`));
document.querySelectorAll('.nav-item').forEach((item) => item.classList.toggle('active', item.dataset.view === viewName));
$('#new-customer-button').hidden = viewName === 'customers' || viewName === 'vehicles' || viewName === 'orders';
$('#page-title').textContent = viewName === 'overview' ? 'Good morning, workshop.' : viewName === 'customers' ? 'Your customer directory.' : viewName === 'vehicles' ? 'Know every vehicle.' : viewName === 'orders' ? 'Keep the bays moving.' : viewName === 'users' ? 'Manage workshop access.' : 'Keep your workshop data portable.';
if (viewName === 'customers') loadCustomers();
if (viewName === 'vehicles') loadVehicles();
if (viewName === 'orders') loadOrders();
if (viewName === 'users') loadUsers();
}
document.querySelectorAll('[data-view]').forEach((button) => button.addEventListener('click', () => switchView(button.dataset.view)));
document.querySelectorAll('#new-customer-button, #new-customer-button-secondary').forEach((button) => button.addEventListener('click', () => $('#customer-dialog').showModal()));
$('#cancel-customer-button').addEventListener('click', () => $('#customer-dialog').close());
$('#close-customer-button').addEventListener('click', () => $('#customer-dialog').close());
$('#new-user-button').addEventListener('click', () => { const form = $('#user-form'); delete form.dataset.editId; form.reset(); form.elements.username.disabled = false; $('#user-dialog-title').textContent = 'Add user'; $('#user-submit-button').textContent = 'Create user'; $('#user-dialog').showModal(); });
$('#cancel-user-button').addEventListener('click', () => $('#user-dialog').close());
$('#close-user-button').addEventListener('click', () => $('#user-dialog').close());
$('#new-record-button').addEventListener('click', () => { const form = $('#record-form'); delete form.dataset.editId; form.reset(); state.recordItems = []; renderServiceItems(); $('#record-dialog-title').textContent = 'Add service record'; $('#record-submit-button').textContent = 'Create service record'; $('#record-dialog').showModal(); });
$('#add-part-button').addEventListener('click', () => { state.recordItems.push({ itemType: 'part', description: '', partNumber: '', quantity: 1, unitPrice: 0 }); renderServiceItems(); });
$('#add-labor-button').addEventListener('click', () => { state.recordItems.push({ itemType: 'labor', description: '', usedTimeHours: 1, unitPrice: 0 }); renderServiceItems(); });
$('#new-vehicle-button').addEventListener('click', () => $('#vehicle-dialog').showModal());
$('#cancel-vehicle-button').addEventListener('click', () => $('#vehicle-dialog').close());
$('#close-vehicle-button').addEventListener('click', () => $('#vehicle-dialog').close());
$('#cancel-record-button').addEventListener('click', () => $('#record-dialog').close());
$('#close-record-button').addEventListener('click', () => $('#record-dialog').close());
$('#order-filters').addEventListener('input', renderOrders);
$('#order-filters').addEventListener('change', renderOrders);
$('#export-data-button').addEventListener('click', async () => {
try {
const response = await fetch('/api/data/export');
if (!response.ok) throw new Error('Unable to export database data.');
const blob = await response.blob();
const link = document.createElement('a'); link.href = URL.createObjectURL(blob); link.download = `car-service-backup-${new Date().toISOString().slice(0, 10)}.json`; link.click(); URL.revokeObjectURL(link.href);
$('#notice').textContent = 'Database backup downloaded.';
} catch (error) { showError(error); }
});
$('#import-data-input').addEventListener('change', async (event) => {
const file = event.target.files[0]; if (!file) return;
$('#import-file-name').textContent = file.name;
if (!window.confirm('Importing a backup replaces all current database data. Continue?')) { event.target.value = ''; $('#import-file-name').textContent = 'No file selected.'; return; }
try { const result = await request('/api/data/import', { method: 'POST', headers: { 'Content-Type': 'application/json' }, body: await file.text() }); $('#notice').textContent = `Backup imported: ${result.imported} records restored.`; await loadOverview(); await loadCustomers(); await loadVehicles(); await loadOrders(); await loadUsers(); } catch (error) { showError(error); } finally { event.target.value = ''; }
});
['vin', 'licensePlate'].forEach((name) => $('#record-form').elements[name].addEventListener('blur', async (event) => {
const identifier = event.target.value.trim();
if (!identifier) return;
try {
const vehicle = await request(`/api/vehicles/lookup?identifier=${encodeURIComponent(identifier)}`);
const form = $('#record-form');
for (const field of ['vin', 'licensePlate', 'make', 'model', 'modelYear', 'engine', 'transmission', 'fuelType', 'color', 'customerName', 'customerEmail', 'customerPhone', 'mileage']) {
const value = vehicle[field === 'licensePlate' ? 'license_plate' : field === 'modelYear' ? 'model_year' : field === 'customerName' ? 'customer_name' : field === 'customerEmail' ? 'customer_email' : field === 'customerPhone' ? 'customer_phone' : field] || '';
if (value) form.elements[field].value = value;
}
$('#notice').textContent = `Vehicle found: ${vehicle.make} ${vehicle.model}.`;
} catch (error) { if (!error.message.startsWith('No vehicle found')) showError(error); }
}));
['customerName', 'customerEmail'].forEach((name) => $('#record-form').elements[name].addEventListener('blur', async (event) => {
const value = event.target.value.trim();
if (!value) return;
const parameter = name === 'customerEmail' ? 'email' : 'name';
try {
const customer = await request(`/api/customers/lookup?${parameter}=${encodeURIComponent(value)}`);
const form = $('#record-form');
form.elements.customerName.value = `${customer.first_name} ${customer.last_name}`;
form.elements.customerEmail.value = customer.email || '';
form.elements.customerPhone.value = customer.phone || '';
$('#notice').textContent = `Customer found: ${customer.first_name} ${customer.last_name}.`;
} catch (error) { if (!error.message.startsWith('No customer found') && !error.message.startsWith('More than one customer')) showError(error); }
}));
$('#customer-form').addEventListener('submit', async (event) => {
event.preventDefault();
try { await request('/api/customers', { method: 'POST', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify(Object.fromEntries(new FormData(event.target))) }); event.target.reset(); $('#customer-dialog').close(); await loadOverview(); await loadCustomers(); } catch (error) { showError(error); }
});
$('#vehicle-form').addEventListener('submit', async (event) => {
event.preventDefault();
try { await request('/api/vehicles', { method: 'POST', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify(Object.fromEntries(new FormData(event.target))) }); event.target.reset(); $('#vehicle-dialog').close(); await loadVehicles(); await loadOverview(); } catch (error) { showError(error); }
});
$('#user-form').addEventListener('submit', async (event) => {
event.preventDefault();
try {
const form = new FormData(event.target);
const editId = event.target.dataset.editId;
await request(editId ? `/api/users/${editId}` : '/api/users', { method: editId ? 'PATCH' : 'POST', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify({ username: form.get('username'), displayName: form.get('displayName'), email: form.get('email'), role: form.get('role'), canRead: form.has('canRead'), canAdd: form.has('canAdd'), canDelete: form.has('canDelete') }) });
event.target.reset(); delete event.target.dataset.editId; event.target.elements.username.disabled = false; $('#user-dialog-title').textContent = 'Add user'; $('#user-submit-button').textContent = 'Create user'; $('#user-dialog').close(); await loadUsers();
} catch (error) { showError(error); }
});
$('#record-form').addEventListener('submit', async (event) => {
event.preventDefault();
try {
const form = Object.fromEntries(new FormData(event.target));
form.items = state.recordItems;
const editId = event.target.dataset.editId;
await request(editId ? `/api/service-records/${editId}` : '/api/service-records', { method: editId ? 'PATCH' : 'POST', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify(form) });
event.target.reset(); state.recordItems = []; delete event.target.dataset.editId; $('#record-dialog-title').textContent = 'Add service record'; $('#record-submit-button').textContent = 'Create service record'; $('#record-dialog').close(); await loadOrders(); await loadOverview();
} catch (error) { showError(error); }
});
loadOverview();