import { clientFetch } from '../api-client';

/**
 * Shipping service - Handles shipping options
 * Replaces the old shippingHelper.ts
 */

export interface ShippingOption {
  _id?: string;
  name: string;
  price: number;
  createdAt?: string;
  updatedAt?: string;
}

export interface ShippingOptionsResponse {
  success: boolean;
  data: ShippingOption[];
}

// Get all shipping options
export const getShippingOptions = async (authToken?: string): Promise<ShippingOption[]> => {
  console.log('Fetching shipping options');
  
  const options: RequestInit = {
    method: 'GET',
    headers: {
      'Content-Type': 'application/json',
    },
  };

  if (authToken) {
    options.headers = {
      ...options.headers,
      'Authorization': `Bearer ${authToken}`,
    };
  }

  const response = await clientFetch<ShippingOptionsResponse>('/api/shipping', options);
  return response.data || [];
};

// Get a single shipping option
export const getShippingOption = async (id: string, authToken?: string): Promise<ShippingOption> => {
  const options: RequestInit = {
    method: 'GET',
    headers: {
      'Content-Type': 'application/json',
    },
  };

  if (authToken) {
    options.headers = {
      ...options.headers,
      'Authorization': `Bearer ${authToken}`,
    };
  }

  const response = await clientFetch<{success: boolean, data: ShippingOption}>(`/api/shipping/${id}`, options);
  return response.data;
};

// Create a new shipping option
export const createShippingOption = async (data: ShippingOption, authToken?: string) => {
  const options: RequestInit = {
    method: 'POST',
    headers: {
      'Content-Type': 'application/json',
    },
    body: JSON.stringify(data),
  };

  if (authToken) {
    options.headers = {
      ...options.headers,
      'Authorization': `Bearer ${authToken}`,
    };
  }

  return clientFetch<{success: boolean, data: ShippingOption}>('/api/shipping', options);
};

// Update a shipping option
export const updateShippingOption = async (id: string, data: ShippingOption, authToken?: string) => {
  const options: RequestInit = {
    method: 'PUT',
    headers: {
      'Content-Type': 'application/json',
    },
    body: JSON.stringify(data),
  };

  if (authToken) {
    options.headers = {
      ...options.headers,
      'Authorization': `Bearer ${authToken}`,
    };
  }

  return clientFetch<{success: boolean, data: ShippingOption}>(`/api/shipping/${id}`, options);
};

// Delete a shipping option
export const deleteShippingOption = async (id: string, authToken?: string) => {
  const options: RequestInit = {
    method: 'DELETE',
    headers: {
      'Content-Type': 'application/json',
    },
  };

  if (authToken) {
    options.headers = {
      ...options.headers,
      'Authorization': `Bearer ${authToken}`,
    };
  }

  return clientFetch<{success: boolean}>(`/api/shipping/${id}`, options);
};

// Compatibility with old shippingHelper functions
export const fetchShippingMethods = getShippingOptions;
export const addShippingMethod = createShippingOption;
export const updateShippingMethod = updateShippingOption;
export const deleteShippingMethod = deleteShippingOption;

// Types for backward compatibility
export type ShippingMethod = ShippingOption;
export type ShippingData = ShippingOption;