function testCodeWrapper (request, items, ShipStream) {
  // Write your code here
  let myBucket = ShipStream.createBucket()
  myBucket.addItem(items[0], 1)
}

// Setup variables to emulate ShipStream data
const request = {
  "merchant": "acme",
  "store": "acmebrand",
  "warehouse_id": 1,
  "shipping_method": "ups_03",
  "saturday_delivery": false,
  "signature_required": "none",
  "overbox": false,
  "destination": {
    "company": "",
    "street": "",
    "city": "",
    "region": "",
    "postcode": "",
    "country": "US",
    "classification": "res"
  }
}
let items = [
  {
    "product_id": 333,
    "qty": 1,
    "unit_qty": 1,
    "product": {
      "sku": "ABC",
      "name": "ABC Widget",
      "<product_attribute_code>": "<value>"
    }
  }
]

// ShipStream embedded environmnet emulator
class Bucket {
  constructor() {
    Bucket._counter++
    this.id = Bucket._counter
    console.log('-- Created bucket '+this.id)
  }
  addItem (item, itemQty = 0, unitQty = 0) {
    if (itemQty > item.qty) {
        throw 'Preprocess Packing Solution Script Error: addItem: Unable to add '+itemQty+' of "'+item.product.sku+'" with only '+item.qty+' available.'
    }
    console.log('-- Added item '+item.product.sku+' with qty '+itemQty+' and unit qty '+unitQty)
    if (itemQty && unitQty) {
        item.qty -= (itemQty * unitQty)
    } else if (itemQty) {
        item.qty -= itemQty;
    }else {
        item.qty -= item.qty
    }
  }
  setGroupSize (size) {
    console.log('-- Set bucket '+this.id+' group size to '+size)
  }
  setContainer (sku) {
    console.log('-- Set bucket '+this.id+' container to '+sku)
  }
  setLength(value) {
    console.log('-- Set bucket '+this.id+' length to '+value)
  }
  setWidth(value) {
    console.log('-- Set bucket '+this.id+' length to '+value)
  }
  setHeight(value) {
    console.log('-- Set bucket '+this.id+' length to '+value)
  }
  setContainers (skus) {
    console.log('-- Set bucket '+this.id+' containers list to ('+skus.join('|')+')')
  }
  setShippingMethod (method) {
    console.log('-- Set bucket '+this.id+' shipping method to '+method)
  }
  setPickingClass (pickingClass) {
    console.log('-- Set bucket '+this.id+' picking class to '+pickingClass)
  }
  setInfill (sku) {
    console.log('-- Set bucket '+this.id+' infill to '+sku)
  }
  setProviders (providers) {
    console.log('-- Set bucket '+this.id+' length to ['+providers.join(',')+']')
  }
  addComment (message) {
    console.log('-- Added comment to bucket '+this.id+': '+message)
  }
}
Bucket._counter = 0;
const ShipStream = {
  createBucket: function () {
    return new Bucket()
  }
}
function print(args) { console.log(args) } // This will be recorded in the Order History

console.log('Begin script execution with '+items.length+' items:')
try {
    testCodeWrapper(request, items, ShipStream)
} catch (e) {
    console.error(e)
}