import { API_BASE_URL } from '@/config';
import { isAxiosError } from 'axios';
import apiClient from '@/lib/api/axios-instance';
import { EmployeeProjectDetail } from '../types';

const API_ENDPOINT = '/api/EmployeeProjectDetail';

// Employee Project Detail API service
export const employeeProjectDetailApi = {
  // Get all employee project details
  getAll: async (): Promise<{success: boolean; data: EmployeeProjectDetail[]; message?: string}> => {
    try {
      console.log('EmployeeProjectDetail API: Fetching all employee project details');
      const response = await apiClient.get(API_ENDPOINT);
      
      console.log(`EmployeeProjectDetail API: Successfully fetched ${response.data.length} project details`);
      return {
        success: true,
        data: response.data
      };
    } catch (error) {
      console.error('EmployeeProjectDetail API: Error fetching project details:', error);
      
      if (isAxiosError(error) && error.message.includes('Network Error')) {
        console.error('EmployeeProjectDetail API: Possible CORS or network connectivity issue');
      }
      
      return {
        success: false,
        data: [],
        message: 'Failed to fetch project details. Please try again.'
      };
    }
  },

  // Get employee project detail by id
  getById: async (id: number): Promise<{success: boolean; data?: EmployeeProjectDetail; message?: string}> => {
    try {
      console.log(`EmployeeProjectDetail API: Fetching project detail with ID ${id}`);
      const response = await apiClient.get(`${API_ENDPOINT}/${id}`);
      
      console.log(`EmployeeProjectDetail API: Successfully fetched project detail with ID ${id}`);
      return {
        success: true,
        data: response.data
      };
    } catch (error) {
      console.error(`EmployeeProjectDetail API: Error fetching project detail with ID ${id}:`, error);
      
      const errorMessage = isAxiosError(error)
        ? `Failed to fetch project detail: ${error.response?.status} ${error.message}`
        : `Error fetching project detail: ${error instanceof Error ? error.message : 'Unknown error'}`;
      
      return {
        success: false,
        message: errorMessage
      };
    }
  },

  // Get employee project details by employee id
  getByEmployeeId: async (employeeId: number): Promise<{success: boolean; data: EmployeeProjectDetail[]; message?: string}> => {
    try {
      console.log(`EmployeeProjectDetail API: Fetching project details for employee ID ${employeeId}`);
      const response = await apiClient.get(`${API_ENDPOINT}/by-employee/${employeeId}`);
      
      console.log(`EmployeeProjectDetail API: Successfully fetched ${response.data.length} project details for employee ID ${employeeId}`);
      return {
        success: true,
        data: response.data
      };
    } catch (error) {
      console.error(`EmployeeProjectDetail API: Error fetching project details for employee ID ${employeeId}:`, error);
      
      if (isAxiosError(error) && error.message.includes('Network Error')) {
        console.error('EmployeeProjectDetail API: Possible CORS or network connectivity issue');
      }
      
      return {
        success: false,
        data: [],
        message: 'Failed to fetch employee project details. Please try again.'
      };
    }
  },

  // Create a new employee project detail
  create: async (data: Partial<EmployeeProjectDetail>): Promise<{success: boolean; data?: EmployeeProjectDetail; message?: string}> => {
    try {
      console.log('EmployeeProjectDetail API: Creating new project detail', data);
      const response = await apiClient.post(API_ENDPOINT, data);
      
      console.log('EmployeeProjectDetail API: Successfully created project detail', response.data);
      return {
        success: true,
        data: response.data,
        message: 'Project detail created successfully'
      };
    } catch (error) {
      console.error('EmployeeProjectDetail API: Error creating project detail:', error);
      
      const errorMessage = isAxiosError(error) 
        ? `Failed to create project detail: ${error.response?.status} ${error.message}`
        : `Error creating project detail: ${error instanceof Error ? error.message : 'Unknown error'}`;
      
      return {
        success: false,
        message: errorMessage
      };
    }
  },

  // Update an existing employee project detail
  update: async (id: number, data: Partial<EmployeeProjectDetail>): Promise<{success: boolean; data?: EmployeeProjectDetail; message?: string}> => {
    try {
      console.log(`EmployeeProjectDetail API: Updating project detail with ID ${id}`, data);
      const response = await apiClient.put(`${API_ENDPOINT}/${id}`, data);
      
      console.log(`EmployeeProjectDetail API: Successfully updated project detail with ID ${id}`, response.data);
      return {
        success: true,
        data: response.data,
        message: 'Project detail updated successfully'
      };
    } catch (error) {
      console.error(`EmployeeProjectDetail API: Error updating project detail with ID ${id}:`, error);
      
      const errorMessage = isAxiosError(error)
        ? `Failed to update project detail: ${error.response?.status} ${error.message}`
        : `Error updating project detail: ${error instanceof Error ? error.message : 'Unknown error'}`;
      
      return {
        success: false,
        message: errorMessage
      };
    }
  },

  // Delete an employee project detail
  delete: async (id: number): Promise<{success: boolean; message?: string}> => {
    try {
      console.log(`EmployeeProjectDetail API: Deleting project detail with ID ${id}`);
      await apiClient.delete(`${API_ENDPOINT}/${id}`);
      
      console.log(`EmployeeProjectDetail API: Successfully deleted project detail with ID ${id}`);
      return {
        success: true,
        message: 'Project detail deleted successfully'
      };
    } catch (error) {
      console.error(`EmployeeProjectDetail API: Error deleting project detail with ID ${id}:`, error);
      
      const errorMessage = isAxiosError(error)
        ? `Failed to delete project detail: ${error.response?.status} ${error.message}`
        : `Error deleting project detail: ${error instanceof Error ? error.message : 'Unknown error'}`;
      
      return {
        success: false,
        message: errorMessage
      };
    }
  }
};

// Export for backward compatibility
export const getEmployeeProjectDetails = async (): Promise<EmployeeProjectDetail[]> => {
  const result = await employeeProjectDetailApi.getAll();
  return result.data;
};

export const getEmployeeProjectDetailById = async (id: number): Promise<EmployeeProjectDetail> => {
  const result = await employeeProjectDetailApi.getById(id);
  if (!result.success || !result.data) {
    throw new Error(result.message || 'Failed to get employee project detail');
  }
  return result.data;
};

export const getEmployeeProjectDetailsByEmployeeId = async (employeeId: number): Promise<EmployeeProjectDetail[]> => {
  const result = await employeeProjectDetailApi.getByEmployeeId(employeeId);
  return result.data;
};

export const createEmployeeProjectDetail = async (data: Partial<EmployeeProjectDetail>): Promise<EmployeeProjectDetail> => {
  const result = await employeeProjectDetailApi.create(data);
  if (!result.success || !result.data) {
    throw new Error(result.message || 'Failed to create employee project detail');
  }
  return result.data;
};

export const updateEmployeeProjectDetail = async (id: number, data: Partial<EmployeeProjectDetail>): Promise<EmployeeProjectDetail> => {
  const result = await employeeProjectDetailApi.update(id, data);
  if (!result.success) {
    throw new Error(result.message || 'Failed to update employee project detail');
  }
  return result.data as EmployeeProjectDetail;
};

export const deleteEmployeeProjectDetail = async (id: number): Promise<void> => {
  const result = await employeeProjectDetailApi.delete(id);
  if (!result.success) {
    throw new Error(result.message || 'Failed to delete employee project detail');
  }
};