const SALEOR_API_URL = 'https://api.manoonoils.com/graphql/';

async function saleorFetch(query, variables = {}) {
  const response = await fetch(SALEOR_API_URL, {
    method: 'POST',
    headers: { 'Content-Type': 'application/json' },
    body: JSON.stringify({ query, variables }),
  });
  const result = await response.json();
  if (result.errors) {
    console.error('GraphQL Errors:', JSON.stringify(result.errors, null, 2));
    throw new Error(JSON.stringify(result.errors));
  }
  return result.data;
}

async function test() {
  // Create checkout
  const createResult = await saleorFetch(`
    mutation {
      checkoutCreate(input: {
        channel: "default-channel"
        email: "test@test.com"
        lines: [{ variantId: "UHJvZHVjdFZhcmlhbnQ6Mjk0", quantity: 1 }]
        languageCode: SR
      }) {
        checkout {
          id
          token
          totalPrice { gross { amount } }
          subtotalPrice { gross { amount } }
        }
        errors {
          field
          message
          code
        }
      }
    }
  `);
  
  if (createResult.checkoutCreate.errors?.length > 0) {
    console.error('Checkout creation errors:', createResult.checkoutCreate.errors);
    throw new Error('Checkout creation failed');
  }
  if (!createResult.checkoutCreate.checkout) {
    console.error('Create result:', createResult);
    throw new Error('Checkout creation returned null');
  }
  const checkout = createResult.checkoutCreate.checkout;
  const token = checkout.token;
  
  console.log('Created checkout:');
  console.log('  ID:', checkout.id);
  console.log('  Token:', token);
  console.log('  Initial Total:', checkout.totalPrice.gross.amount);
  
  // Set address
  await saleorFetch(`
    mutation {
      checkoutShippingAddressUpdate(
        checkoutId: "${checkout.id}"
        shippingAddress: {
          firstName: "Test"
          lastName: "User"
          streetAddress1: "123 Street"
          city: "Belgrade"
          postalCode: "11000"
          country: "RS"
          phone: "+38160123456"
        }
      ) {
        checkout {
          shippingMethods { id name price { amount } }
        }
      }
    }
  `);
  
  // Query by token (what refreshCheckout does)
  const tokenQuery = await saleorFetch(`
    query {
      checkout(token: "${token}") {
        id
        token
        totalPrice { gross { amount } }
        subtotalPrice { gross { amount } }
        shippingPrice { gross { amount } }
        shippingMethods { id name price { amount } }
      }
    }
  `);
  
  console.log('\nQuery by token (before shipping method):');
  console.log('  Total:', tokenQuery.checkout.totalPrice.gross.amount);
  console.log('  Subtotal:', tokenQuery.checkout.subtotalPrice.gross.amount);
  console.log('  Shipping:', tokenQuery.checkout.shippingPrice.gross.amount);
  console.log('  Methods:', tokenQuery.checkout.shippingMethods.length);
  
  if (tokenQuery.checkout.shippingMethods.length > 0) {
    const methodId = tokenQuery.checkout.shippingMethods[0].id;
    
    // Set shipping method
    await saleorFetch(`
      mutation {
        checkoutShippingMethodUpdate(
          checkoutId: "${checkout.id}"
          shippingMethodId: "${methodId}"
        ) {
          checkout {
            totalPrice { gross { amount } }
            subtotalPrice { gross { amount } }
            shippingPrice { gross { amount } }
          }
        }
      }
    `);
    
    // Query by token again (what should happen after refreshCheckout)
    const afterMethod = await saleorFetch(`
      query {
        checkout(token: "${token}") {
          totalPrice { gross { amount } }
          subtotalPrice { gross { amount } }
          shippingPrice { gross { amount } }
        }
      }
    `);
    
    console.log('\nQuery by token (AFTER shipping method):');
    console.log('  Total:', afterMethod.checkout.totalPrice.gross.amount);
    console.log('  Subtotal:', afterMethod.checkout.subtotalPrice.gross.amount);
    console.log('  Shipping:', afterMethod.checkout.shippingPrice.gross.amount);
  }
}

test().catch(console.error);