Add client purchase pattern charts

src/analytics/clients.ts

@@ -38,6 +38,14 @@ export interface ClientDetailsMetrics {
     date: string;
     value: number;
   }>;
+  purchaseWeekdays: Array<{
+    label: string;
+    value: number;
+  }>;
+  purchaseHours: Array<{
+    label: string;
+    value: number;
+  }>;
   groupedOrders: GroupedClientOrder[];
   allTimeOrderCount: number;
   clientName: string;
@@ -49,6 +57,22 @@ export interface ClientDetailsMetrics {
   periodItems: number;
 }
 
+const WEEKDAY_LABELS = ['Dom', 'Seg', 'Ter', 'Qua', 'Qui', 'Sex', 'Sab'];
+
+const getOrderHour = (order: OrderData): number | null => {
+  const timestamp = order.Recebido_Em || (/\d{1,2}:\d{2}/.test(order.Data_Pedido || '') ? order.Data_Pedido : '');
+  if (!timestamp) return null;
+
+  const date = new Date(timestamp);
+  if (!Number.isNaN(date.getTime())) return date.getHours();
+
+  const timeMatch = String(timestamp).match(/\b(\d{1,2}):\d{2}/);
+  if (!timeMatch) return null;
+
+  const hour = Number(timeMatch[1]);
+  return hour >= 0 && hour <= 23 ? hour : null;
+};
+
 const scoreTertile = (value: number, values: number[], higherIsBetter = true) => {
   const numericValues = values.filter(Number.isFinite);
   if (!numericValues.length) return 1;
@@ -230,9 +254,29 @@ export const buildClientDetailsMetrics = (ordersData: OrderData[], customerKey:
     date,
     value: spentByDate[date]
   })).sort((a, b) => parseOrderDate(a.date).getTime() - parseOrderDate(b.date).getTime());
+  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
+  }));
+
+  groupedOrders.forEach(group => {
+    const firstItem = group.items[0];
+    const orderDate = parseOrderDate(group.date);
+    if (!Number.isNaN(orderDate.getTime())) {
+      weekdayCounts[orderDate.getDay()].value += 1;
+    }
+
+    const orderHour = firstItem ? getOrderHour(firstItem) : null;
+    if (orderHour !== null) {
+      hourCounts[orderHour].value += 1;
+    }
+  });
 
   return {
     chartData,
+    purchaseWeekdays: weekdayCounts,
+    purchaseHours: hourCounts,
     groupedOrders,
     allTimeOrderCount: allTimeOrderIds.size,
     clientName,