// Copyright 2016-2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License"). You may
// not use this file except in compliance with the License. A copy of the
// License is located at
//
//     http://aws.amazon.com/apache2.0/
//
// or in the "license" file accompanying this file. This file is distributed
// on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
// express or implied. See the License for the specific language governing
// permissions and limitations under the License.

package e2einstancesteps

import (
	"strings"

	"github.com/aws/aws-sdk-go/service/ecs"
	"github.com/aws/amazon-ecs-cluster-state-service/internal/features/wrappers"
	"github.com/aws/amazon-ecs-cluster-state-service/swagger/v1/generated/models"
	. "github.com/gucumber/gucumber"
)

type Exception struct {
	exceptionType string
	exceptionMsg  string
}

var (
	// Lists to memorize results required for the subsequent steps
	ecsContainerInstanceList = []ecs.ContainerInstance{}
	cssContainerInstanceList = []models.ContainerInstance{}
	exceptionList            = []Exception{}
)

func init() {

	ecsWrapper := wrappers.NewECSWrapper()

	Given(`^I have some instances registered with the ECS cluster$`, func() {
		ecsContainerInstanceList = nil
		cssContainerInstanceList = nil

		clusterName := wrappers.GetClusterName()

		instanceARNs, err := ecsWrapper.ListContainerInstances(clusterName)
		if err != nil {
			T.Errorf(err.Error())
			return
		}
		if len(instanceARNs) < 1 {
			T.Errorf("No container instances registered to the cluster '%s'. ", clusterName)
			return
		}
		for _, instanceARN := range instanceARNs {
			ecsInstance, err := ecsWrapper.DescribeContainerInstance(clusterName, *instanceARN)
			if err != nil {
				T.Errorf(err.Error())
				return
			}
			ecsContainerInstanceList = append(ecsContainerInstanceList, ecsInstance)
		}
	})

	Then(`^I get a (.+?) instance exception$`, func(exceptionType string) {
		if len(exceptionList) != 1 {
			T.Errorf("Error memorizing exception")
			return
		}
		if exceptionType != exceptionList[0].exceptionType {
			T.Errorf("Expected exception type '%s' but got '%s'. ", exceptionType, exceptionList[0].exceptionType)
		}
	})

	And(`^the instance exception message contains "(.+?)"$`, func(exceptionMsg string) {
		if len(exceptionList) != 1 {
			T.Errorf("Error memorizing exception. ")
			return
		}
		if !strings.Contains(exceptionList[0].exceptionMsg, exceptionMsg) {
			T.Errorf("Expected exception message returned '%s' to contain '%s'. ", exceptionList[0].exceptionMsg, exceptionMsg)
		}
	})
}