added shiftplan generating logic

frontend/src/services/shiftPlanService.ts

@@ -1,6 +1,6 @@
 // frontend/src/services/shiftPlanService.ts
 import { authService } from './authService';
-import { ShiftPlan, CreateShiftPlanRequest, Shift, CreateShiftFromTemplateRequest } from '../models/ShiftPlan';
+import { ShiftPlan, CreateShiftPlanRequest, ScheduledShift, CreateShiftFromTemplateRequest } from '../models/ShiftPlan';
 import { TEMPLATE_PRESETS } from '../models/defaults/shiftPlanDefaults';  
 
 const API_BASE = 'http://localhost:3002/api/shift-plans';
@@ -186,4 +186,105 @@ export const shiftPlanService = {
       description: preset.description
     }));
   },
+
+  async updateScheduledShift(id: string, updates: { assignedEmployees: string[] }): Promise<void> {
+    try {
+      console.log('🔄 Updating scheduled shift via API:', { id, updates });
+      
+      const response = await fetch(`/api/scheduled-shifts/${id}`, {
+        method: 'PUT',
+        headers: {
+          'Content-Type': 'application/json',
+          'Authorization': `Bearer ${localStorage.getItem('token')}`
+        },
+        body: JSON.stringify(updates)
+      });
+
+      // First, check if we got any response
+      if (!response.ok) {
+        // Try to get error message from response
+        const responseText = await response.text();
+        console.error('❌ Server response:', responseText);
+        
+        let errorMessage = `HTTP ${response.status}: ${response.statusText}`;
+        
+        // Try to parse as JSON if possible
+        try {
+          const errorData = JSON.parse(responseText);
+          errorMessage = errorData.error || errorMessage;
+        } catch (e) {
+          // If not JSON, use the text as is
+          errorMessage = responseText || errorMessage;
+        }
+        
+        throw new Error(errorMessage);
+      }
+
+      // Try to parse successful response
+      const responseText = await response.text();
+      let result;
+      try {
+        result = responseText ? JSON.parse(responseText) : {};
+      } catch (e) {
+        console.warn('⚠️ Response was not JSON, but request succeeded');
+        result = { message: 'Update successful' };
+      }
+      
+      console.log('✅ Scheduled shift updated successfully:', result);
+      
+    } catch (error) {
+      console.error('❌ Error updating scheduled shift:', error);
+      throw error;
+    }
+  },
+
+  async getScheduledShift(id: string): Promise<any> {
+    try {
+      const response = await fetch(`/api/scheduled-shifts/${id}`, {
+        headers: {
+          'Authorization': `Bearer ${localStorage.getItem('token')}`
+        }
+      });
+
+      if (!response.ok) {
+        const responseText = await response.text();
+        let errorMessage = `HTTP ${response.status}: ${response.statusText}`;
+        
+        try {
+          const errorData = JSON.parse(responseText);
+          errorMessage = errorData.error || errorMessage;
+        } catch (e) {
+          errorMessage = responseText || errorMessage;
+        }
+        
+        throw new Error(errorMessage);
+      }
+
+      const responseText = await response.text();
+      return responseText ? JSON.parse(responseText) : {};
+    } catch (error) {
+      console.error('Error fetching scheduled shift:', error);
+      throw error;
+    }
+  },
+
+  // New method to get all scheduled shifts for a plan
+  async getScheduledShiftsForPlan(planId: string): Promise<ScheduledShift[]> {
+    try {
+      const response = await fetch(`/api/scheduled-shifts/plan/${planId}`, {
+        headers: {
+          'Authorization': `Bearer ${localStorage.getItem('token')}`
+        }
+      });
+
+      if (!response.ok) {
+        throw new Error(`Failed to fetch scheduled shifts: ${response.status}`);
+      }
+
+      return await response.json();
+    } catch (error) {
+      console.error('Error fetching scheduled shifts for plan:', error);
+      throw error;
+    }
+  }
 };