const axios = require('axios');
const { log } = require('./logger');
/**
 * Logs messages with a shop context.
 * @param {string} shop - Shopify store name.
 * @param {string} message - Log message.
 */


const getLocationQuery = `
  query {
    
        locations(first: 1, query: "name:'Shop location'" ) {
      nodes {
        id
        name
        address {
          address1
          address2
          city
          province
          provinceCode
          country
          countryCode
          zip
          phone
        }
      }
    }
  }
`;

async function getStoreAddress(client) {
  const response = await client.post('', { query: getLocationQuery });
  console.log('Store locations response:', response.data);
  const location = response.data.data.locations.nodes[0];
  return location.address;
}

const createLocationMutation = (address) => `
  mutation {
    locationAdd(input: {
      name: "(App) Data4Autos Distribution API",
      address: {
        address1: "${address.address1 || ''}",
        address2: "${address.address2 || ''}",
        city: "${address.city}",
        provinceCode: "${address.phone || 'ON'}",
        countryCode: ${address.countryCode},
        zip: "${address.zip || ''}",
        phone: "${address.phone || ''}"
      },
      fulfillsOnlineOrders: true
    }) {
      location {
        id
        name
        address {
          address1
          city
          provinceCode
          countryCode
          zip
          phone
        }
      }
      userErrors {
        code
        field
        message
      }
    }
  }
`;

async function createCustomLocation(address, client) {
  const mutation = createLocationMutation(address);


  const response = await client.post('', { query: mutation });
//  console.log('Location creation response:', response.data);
  return response.data.data.locationAdd;
}


/**
 * Create a Shopify fulfillment service.
 * @param {string} shop - The Shopify store domain (e.g., myshop.myshopify.com).
 * @param {string} accessToken - The Shopify Admin API access token.
 * @returns {Promise<object>} The created fulfillment service or error details.
 */
async function createFulfillmentService(shop, accessToken) {

  const client = axios.create({
    baseURL: `https://${shop}/admin/api/2025-10/graphql.json`,
    headers: {
      'X-Shopify-Access-Token': accessToken,
      'Content-Type': 'application/json',
    },
  });

  const mutation = `
    mutation {
      fulfillmentServiceCreate(
        name: "Data4Autos Distribution",
        callbackUrl: "https://backend.data4autos.com/fulfillment"
      ) {
        fulfillmentService {
          id
          serviceName
          callbackUrl
          handle
          location {
            id
          }
        }
        userErrors {
          field
          message
        }
      }
    }
  `;

  //   const mutation = `
  //   mutation {
  //     fulfillmentServiceCreate(
  //       name: "Data4Autos Distribution",
  //       callbackUrl: "https://backend.data4autos.com/fulfillment",
  //       fulfillmentOrdersOptIn: true,
  //       inventoryManagement: true,
  //       trackingSupport: true,
  //       requiresShippingMethod: true
  //       
  //     ) {
  //       fulfillmentService {
  //         id
  //         serviceName
  //         callbackUrl
  //         handle
  //         location {
  //           id
  //         }
  //       }
  //       userErrors {
  //         field
  //         message
  //       }
  //     }
  //   }
  // `;

  try {
    log(shop, `🚀 Creating fulfillment service...`);
    const response = await client.post('', { query: mutation });
    const data = response.data.data.fulfillmentServiceCreate;

    if (data.userErrors && data.userErrors.length > 0) {
      log(shop, `❌ User errors: ${JSON.stringify(data.userErrors)}`);
      return { success: false, errors: data.userErrors };
    }

    log(shop, `✅ Fulfillment Service created: ${JSON.stringify(data.fulfillmentService)}`);



    // Step 1: Get the store address
    const address = await getStoreAddress(client);

    // Step 2: Create a new location with a custom name and the same address
   // console.log(address)
    const result = await createCustomLocation(address, client);
  //  console.log('Result from creating custom location:', result);
    if (result.userErrors && result.userErrors.length > 0) {
      console.error('Location creation errors:', result.userErrors);
    } else {
      console.log('Created location:', result.location);
    }


    var locationId = result.location ? result.location.id : null;



    return { success: true, fulfillmentService: data.fulfillmentService, locationId };
  } catch (error) {
    log(shop, `💥 Request failed: ${error.response ? JSON.stringify(error.response.data) : error.message}`);
    return { success: false, error: error.response ? error.response.data : error.message };
  }
}


module.exports = { createFulfillmentService };













// const axios = require('axios');
// const { log } = require('./logger');

// /**
//  * Create a Shopify fulfillment service.
//  * @param {string} shop - The Shopify store domain (e.g., myshop.myshopify.com).
//  * @param {string} accessToken - The Shopify Admin API access token.
//  * @returns {Promise<object>} The created fulfillment service or error details.
//  */
// async function createFulfillmentService(shop, accessToken) {
//   const client = axios.create({
//     baseURL: `https://${shop}/admin/api/2024-01/graphql.json`,
//     headers: {
//       'X-Shopify-Access-Token': accessToken,
//       'Content-Type': 'application/json',
//     },
//   });

//   const mutation = `
//     mutation {
//       fulfillmentServiceCreate(
//         name: "Data4Autos Distribution",
//         callbackUrl: "https://backend.data4autos.com/fulfillment",
//         fulfillmentOrdersOptIn: true,
//         inventoryManagement: true,
//         trackingSupport: true
//       ) {
//         fulfillmentService {
//           id
//           serviceName
//           callbackUrl
//           handle
//           location {
//             id
//           }
//         }
//         userErrors {
//           field
//           message
//         }
//       }
//     }
//   `;

//   try {
//     log(shop, `🚀 Creating fulfillment service...`);
//     const response = await client.post('', { query: mutation });
//     console.log(`Response from Shopify: ${JSON.stringify(response.data, null, 2)}`);
//     const data = response.data.data.fulfillmentServiceCreate;

//     if (data.userErrors && data.userErrors.length > 0) {
//       console.log(shop, `❌ User errors: ${JSON.stringify(data.userErrors)}`);
//       return { success: false, errors: data.userErrors };
//     }

//     log(shop, `✅ Fulfillment Service created: ${JSON.stringify(data.fulfillmentService)}`);
//     return { success: true, fulfillmentService: data.fulfillmentService };
//   } catch (error) {
//     log(shop, `💥 Request failed: ${error.response ? JSON.stringify(error.response.data) : error.message}`);
//     return { success: false, error: error.response ? error.response.data : error.message };
//   }
// }

// module.exports = { createFulfillmentService };

// // -------------------------------
// // Test call (comment out later)
// // -------------------------------
// // (async () => {
// //   const shop = "veloxautomotive.myshopify.com"; // Replace with your shop domain
// //   const accessToken = "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"; // Replace with your token

// //   const result = await createFulfillmentService(shop, accessToken);
// //   console.log("Result:", result);
// // })();