import axios from 'axios';
import { API_BASE_URL } from '@/config';
import apiClient from '@/lib/api/axios-instance';
import { createHeaders } from '@/lib/api';
import { Holiday, HolidayCreateRequest, HolidayUpdateRequest } from '@/types';

class HolidayApi {
  private baseUrl = `/api/Holiday`;

  async getAll(): Promise<Holiday[]> {
    try {
      console.log('HolidayApi: Fetching all holiday records from', this.baseUrl);
      
      const response = await apiClient.get(this.baseUrl, {
        headers: createHeaders(true),
        withCredentials: false
      });
      
      if (!response.data) {
        console.warn('HolidayApi: No data in response');
        return [];
      }
      
      if (!Array.isArray(response.data)) {
        console.warn('HolidayApi: Response is not an array', response.data);
        return [];
      }
      
      console.log(`HolidayApi: Successfully fetched ${response.data.length} holiday records`);
      return response.data;
    } catch (error) {
      if (apiClient.isAxiosError(error)) {
        console.error('HolidayApi: Axios error fetching holiday records:', error.message);
        
        if (error.response) {
          console.error('HolidayApi: Response status:', error.response.status);
          console.error('HolidayApi: Response data:', error.response.data);
        } else if (error.request) {
          console.error('HolidayApi: No response received from server');
        } else {
          console.error('HolidayApi: Error setting up request:', error.message);
        }
      } else {
        console.error('HolidayApi: Unknown error fetching holiday records:', error);
      }
      return [];
    }
  }

  async getById(id: number): Promise<Holiday | null> {
    try {
      console.log(`HolidayApi: Fetching holiday record with ID ${id}`);
      const response = await apiClient.get(`${this.baseUrl}/${id}`);
      
      console.log(`HolidayApi: Successfully fetched holiday record with ID ${id}`);
      return response.data;
    } catch (error) {
      if (apiClient.isAxiosError(error)) {
        console.error(`HolidayApi: Error fetching holiday record ${id}:`, error.message);
        if (error.response) {
          console.error('HolidayApi: Response status:', error.response.status);
        }
      } else {
        console.error(`HolidayApi: Unknown error fetching holiday record ${id}:`, error);
      }
      return null;
    }
  }

  async create(holiday: HolidayCreateRequest): Promise<Holiday | null> {
    try {
      console.log('HolidayApi: Creating new holiday record', holiday);
      
      const response = await apiClient.post(this.baseUrl, holiday, {
        headers: createHeaders(true),
        withCredentials: false
      });
      
      console.log('HolidayApi: Successfully created new holiday record', response.data);
      return response.data;
    } catch (error) {
      if (apiClient.isAxiosError(error)) {
        console.error('HolidayApi: Error creating holiday record:', error.message);
        if (error.response) {
          console.error('HolidayApi: Response status:', error.response.status);
          console.error('HolidayApi: Response data:', error.response.data);
        }
      } else {
        console.error('HolidayApi: Unknown error creating holiday record:', error);
      }
      return null;
    }
  }

  async update(id: number, holiday: HolidayUpdateRequest): Promise<Holiday | null> {
    try {
      console.log(`HolidayApi: Updating holiday record with ID ${id}`, holiday);
      
      const response = await apiClient.put(`${this.baseUrl}/${id}`, holiday);
      
      console.log(`HolidayApi: Successfully updated holiday record with ID ${id}`, response.data);
      return response.data;
    } catch (error) {
      if (apiClient.isAxiosError(error)) {
        console.error(`HolidayApi: Error updating holiday record ${id}:`, error.message);
        if (error.response) {
          console.error('HolidayApi: Response status:', error.response.status);
          console.error('HolidayApi: Response data:', error.response.data);
        }
      } else {
        console.error(`HolidayApi: Unknown error updating holiday record ${id}:`, error);
      }
      return null;
    }
  }

  async delete(id: number): Promise<boolean> {
    try {
      console.log(`HolidayApi: Deleting holiday record with ID ${id}`);
      
      const response = await apiClient.delete(`${this.baseUrl}/${id}`);
      
      console.log(`HolidayApi: Successfully deleted holiday record with ID ${id}`);
      return true;
    } catch (error) {
      if (apiClient.isAxiosError(error)) {
        console.error(`HolidayApi: Error deleting holiday record ${id}:`, error.message);
        if (error.response) {
          console.error('HolidayApi: Response status:', error.response.status);
        }
      } else {
        console.error(`HolidayApi: Unknown error deleting holiday record ${id}:`, error);
      }
      return false;
    }
  }
}

export const holidayApi = new HolidayApi();