Add client purchase pattern charts

backend/services/analyticsService.js

@@ -414,6 +414,35 @@ const getDateOnly = (value) => {
     return match ? match[1] : null;
 };
 
+const WEEKDAY_LABELS = ['Dom', 'Seg', 'Ter', 'Qua', 'Qui', 'Sex', 'Sab'];
+
+const getWeekdayIndex = (value) => {
+    const dateKey = getDateOnly(value);
+    if (!dateKey) return null;
+
+    const date = new Date(`${dateKey}T00:00:00`);
+    if (Number.isNaN(date.getTime())) return null;
+
+    return date.getDay();
+};
+
+const getHourFromTimestamp = (value) => {
+    if (!value) return null;
+
+    const rawValue = String(value);
+    const hasTime = /\b\d{1,2}:\d{2}/.test(rawValue);
+    if (!hasTime) return null;
+
+    const date = value instanceof Date ? value : new Date(rawValue);
+    if (!Number.isNaN(date.getTime())) return date.getHours();
+
+    const timeMatch = rawValue.match(/\b(\d{1,2}):\d{2}/);
+    if (!timeMatch) return null;
+
+    const hour = Number(timeMatch[1]);
+    return hour >= 0 && hour <= 23 ? hour : null;
+};
+
 const buildRfmSegments = (clients) => {
     return Object.values(RFM_SEGMENTS).map(segment => {
         const segmentClients = clients.filter(client => client.segmentKey === segment.key);
@@ -910,7 +939,8 @@ const getClientDetailsAnalytics = async (clientToken, range = {}) => {
                 nome_vendedor,
                 marketplace,
                 canal_venda,
-                numero_ecommerce
+                numero_ecommerce,
+                created_at
             FROM identity_orders
             WHERE ${periodFilters.join(' AND ')}
             ORDER BY data_pedido_date DESC, COALESCE(NULLIF(pedido_id, ''), data_pedido || '_' || valor_pedido::text) DESC;
@@ -923,6 +953,12 @@ const getClientDetailsAnalytics = async (clientToken, range = {}) => {
 
     const groupedOrdersByKey = new Map();
     const spentByDate = new Map();
+    const weekdayCounts = WEEKDAY_LABELS.map(label => ({ label, value: 0 }));
+    const hourCounts = Array.from({ length: 24 }, (_, hour) => ({
+        label: `${String(hour).padStart(2, '0')}h`,
+        value: 0
+    }));
+    const patternOrderKeys = new Set();
     let periodSpent = 0;
     let periodItems = 0;
 
@@ -932,6 +968,19 @@ const getClientDetailsAnalytics = async (clientToken, range = {}) => {
         const dateLabel = row.data_pedido || dateKey;
         const groupKey = getOrderGroupKey(row);
 
+        if (!patternOrderKeys.has(groupKey)) {
+            patternOrderKeys.add(groupKey);
+            const weekdayIndex = getWeekdayIndex(row.data_pedido_date) ?? getWeekdayIndex(row.data_pedido);
+            if (weekdayIndex !== null) {
+                weekdayCounts[weekdayIndex].value += 1;
+            }
+
+            const orderHour = getHourFromTimestamp(row.created_at) ?? getHourFromTimestamp(row.data_pedido);
+            if (orderHour !== null) {
+                hourCounts[orderHour].value += 1;
+            }
+        }
+
         periodSpent += itemRevenue;
         periodItems += toNumber(row.quantidade);
 
@@ -968,7 +1017,8 @@ const getClientDetailsAnalytics = async (clientToken, range = {}) => {
             nome_vendedor: row.nome_vendedor || '',
             marketplace: row.marketplace || '',
             canal_venda: row.canal_venda || '',
-            numero_ecommerce: row.numero_ecommerce || ''
+            numero_ecommerce: row.numero_ecommerce || '',
+            Recebido_Em: row.created_at || ''
         });
     });
 
@@ -995,6 +1045,8 @@ const getClientDetailsAnalytics = async (clientToken, range = {}) => {
         periodOrderCount,
         periodItems,
         chartData,
+        purchaseWeekdays: weekdayCounts,
+        purchaseHours: hourCounts,
         groupedOrders
     };
 };