curl --location --request POST 'https://api.stateset.com/v1/customers/merge' \
--header 'Content-Type: application/json' \
--header 'Authorization: Token <token>' \
--data-raw '{
    "primary_customer_id": "cust_primary_123",
    "duplicate_customer_ids": ["cust_dup_456", "cust_dup_789"],
    "merge_strategy": {
        "contacts": "merge_all",
        "orders": "transfer_all",
        "addresses": "merge_unique",
        "preferences": "most_recent"
    },
    "reason": "Duplicate accounts identified during data cleanup"
}'

mutation customerMergeMutation {
  customerMerge(
    primaryCustomerId: "${primaryCustomerId}",
    duplicateCustomerIds: ${duplicateCustomerIds},
    mergeStrategy: ${mergeStrategy},
    reason: "${reason}"
  ) {
    customer {
      id
      email
      merge_summary {
        orders_transferred
        addresses_merged
        total_lifetime_value
      }
    }
    userErrors {
      field
      message
    }
  }
}

const mergedCustomer = await stateset.customers.merge({
  primary_customer_id: 'cust_primary_123',
  duplicate_customer_ids: ['cust_dup_456', 'cust_dup_789'],
  merge_strategy: {
    contacts: 'merge_all',
    orders: 'transfer_all',
    addresses: 'merge_unique',
    preferences: 'most_recent'
  },
  reason: 'Duplicate accounts identified during data cleanup'
});

merged_customer = stateset.customers.merge({
  'primary_customer_id': 'cust_primary_123',
  'duplicate_customer_ids': ['cust_dup_456', 'cust_dup_789'],
  'merge_strategy': {
    'contacts': 'merge_all',
    'orders': 'transfer_all',
    'addresses': 'merge_unique',
    'preferences': 'most_recent'
  },
  'reason': 'Duplicate accounts identified during data cleanup'
})

merged_customer = Stateset::Customer.merge({
  primary_customer_id: 'cust_primary_123',
  duplicate_customer_ids: ['cust_dup_456', 'cust_dup_789'],
  merge_strategy: {
    contacts: 'merge_all',
    orders: 'transfer_all',
    addresses: 'merge_unique',
    preferences: 'most_recent'
  },
  reason: 'Duplicate accounts identified during data cleanup'
})

mergedCustomer, err := stateset.Customers.merge({
  PrimaryCustomerID: 'cust_primary_123',
  DuplicateCustomerIDs: []string{'cust_dup_456', 'cust_dup_789'},
  MergeStrategy: MergeStrategy{
    Contacts: 'merge_all',
    Orders: 'transfer_all',
    Addresses: 'merge_unique',
    Preferences: 'most_recent'
  },
  Reason: 'Duplicate accounts identified during data cleanup'
})

Customer mergedCustomer = stateset.customers.merge({
  primaryCustomerId: 'cust_primary_123',
  duplicateCustomerIds: ['cust_dup_456', 'cust_dup_789'],
  mergeStrategy: {
    contacts: 'merge_all',
    orders: 'transfer_all',
    addresses: 'merge_unique',
    preferences: 'most_recent'
  },
  reason: 'Duplicate accounts identified during data cleanup'
});

$merged_customer = $stateset->customers->merge([
  'primary_customer_id' => 'cust_primary_123',
  'duplicate_customer_ids' => ['cust_dup_456', 'cust_dup_789'],
  'merge_strategy' => [
    'contacts' => 'merge_all',
    'orders' => 'transfer_all',
    'addresses' => 'merge_unique',
    'preferences' => 'most_recent'
  ],
  'reason' => 'Duplicate accounts identified during data cleanup'
]);

var mergedCustomer = await stateset.Customers.Merge(new {
  PrimaryCustomerId = 'cust_primary_123',
  DuplicateCustomerIds = new[] { 'cust_dup_456', 'cust_dup_789' },
  MergeStrategy = new {
    Contacts = 'merge_all',
    Orders = 'transfer_all',
    Addresses = 'merge_unique',
    Preferences = 'most_recent'
  },
  Reason = 'Duplicate accounts identified during data cleanup'
});

{
  "id": "cust_primary_123",
  "merged_customer_ids": ["cust_dup_456", "cust_dup_789"],
  "merge_summary": {
    "orders_transferred": 15,
    "addresses_merged": 3,
    "contacts_merged": 2,
    "total_lifetime_value": 4567.89,
    "loyalty_points_combined": 2500
  },
  "conflicts_resolved": [
    {
      "field": "email",
      "primary_value": "john@example.com",
      "duplicate_values": ["j.doe@example.com", "johndoe@example.com"],
      "resolution": "kept_primary"
    },
    {
      "field": "phone",
      "primary_value": "+1-555-0123",
      "duplicate_values": ["+1-555-0124"],
      "resolution": "kept_all_as_secondary"
    }
  ],
  "merged_at": "2024-01-15T14:30:00Z",
  "merged_by": "user_admin_123",
  "success": true
}

{
  "error": {
    "code": "merge_conflict",
    "message": "Cannot merge customers with active subscriptions. Please resolve subscriptions first.",
    "details": {
      "primary_customer_subscriptions": 1,
      "duplicate_customer_subscriptions": ["cust_dup_456"],
      "resolution_required": "cancel_or_transfer_subscriptions"
    }
  }
}