package alicloud

import (
	"fmt"
	"log"
	"os"
	"reflect"
	"testing"

	"github.com/agiledragon/gomonkey/v2"
	util "github.com/alibabacloud-go/tea-utils/service"
	"github.com/alibabacloud-go/tea/tea"
	"github.com/hashicorp/terraform-plugin-sdk/helper/schema"
	"github.com/stretchr/testify/assert"

	"github.com/alibabacloud-go/tea-rpc/client"
	"github.com/aliyun/terraform-provider-alicloud/alicloud/connectivity"
	"github.com/hashicorp/terraform-plugin-sdk/helper/acctest"
	"github.com/hashicorp/terraform-plugin-sdk/helper/resource"
)

func TestAccAlicloudFnFExecution_basic0(t *testing.T) {
	var v map[string]interface{}
	resourceId := "alicloud_fnf_execution.default"
	checkoutSupportedRegions(t, true, connectivity.FnFSupportRegions)
	ra := resourceAttrInit(resourceId, AlicloudFnFExecutionMap0)
	rc := resourceCheckInitWithDescribeMethod(resourceId, &v, func() interface{} {
		return &FnfService{testAccProvider.Meta().(*connectivity.AliyunClient)}
	}, "DescribeFnFExecution")
	rac := resourceAttrCheckInit(rc, ra)
	testAccCheck := rac.resourceAttrMapUpdateSet()
	rand := acctest.RandIntRange(10000, 99999)
	name := fmt.Sprintf("tf-testacc%sfnfexecution%d", defaultRegionToTest, rand)
	testAccConfig := resourceTestAccConfigFunc(resourceId, name, AlicloudFnFExecutionBasicDependence0)
	resource.Test(t, resource.TestCase{
		PreCheck: func() {
			testAccPreCheck(t)
		},
		IDRefreshName: resourceId,
		Providers:     testAccProviders,
		CheckDestroy:  nil,
		Steps: []resource.TestStep{
			{
				Config: testAccConfig(map[string]interface{}{
					"input":          `{\"wait\": 600}`,
					"flow_name":      "${alicloud_fnf_flow.default.name}",
					"execution_name": name,
				}),
				Check: resource.ComposeTestCheckFunc(
					testAccCheck(map[string]string{
						"input":          CHECKSET,
						"flow_name":      CHECKSET,
						"execution_name": name,
					}),
				),
			},
			{
				Config: testAccConfig(map[string]interface{}{
					"status": "Stopped",
				}),
				Check: resource.ComposeTestCheckFunc(
					testAccCheck(map[string]string{
						"status": "Stopped",
					}),
				),
			},
			{
				ResourceName:            resourceId,
				ImportState:             true,
				ImportStateVerify:       true,
				ImportStateVerifyIgnore: []string{},
			},
		},
	})
}

var AlicloudFnFExecutionMap0 = map[string]string{}

func AlicloudFnFExecutionBasicDependence0(name string) string {
	return fmt.Sprintf(` 
variable "name" {
  default = "%s"
}

resource "alicloud_ram_role" "default" {
  name     = var.name
  document = <<EOF
  {
    "Statement": [
      {
        "Action": "sts:AssumeRole",
        "Effect": "Allow",
        "Principal": {
          "Service": [
            "fnf.aliyuncs.com"
          ]
        }
      }
    ],
    "Version": "1"
  }
  EOF
}

resource "alicloud_fnf_flow" "default" {
  definition  = <<EOF
  version: v1beta1
  type: flow
  steps:
    - type: wait
      name: custom_wait
      duration: $.wait
  EOF
  role_arn    = alicloud_ram_role.default.arn
  description = "Test for terraform fnf_flow."
  name        = var.name
  type        = "FDL"
}
`, name)
}

func TestUnitAlicloudFnFExecution(t *testing.T) {
	p := Provider().(*schema.Provider).ResourcesMap
	checkoutSupportedRegions(t, true, connectivity.FnFSupportRegions)
	dInit, _ := schema.InternalMap(p["alicloud_fnf_execution"].Schema).Data(nil, nil)
	dExisted, _ := schema.InternalMap(p["alicloud_fnf_execution"].Schema).Data(nil, nil)
	dInit.MarkNewResource()
	attributes := map[string]interface{}{
		"input":          "StartExecutionValue",
		"flow_name":      "StartExecutionValue",
		"execution_name": "StartExecutionValue",
	}
	for key, value := range attributes {
		err := dInit.Set(key, value)
		assert.Nil(t, err)
		err = dExisted.Set(key, value)
		assert.Nil(t, err)
		if err != nil {
			log.Printf("[ERROR] the field %s setting error", key)
		}
	}
	region := os.Getenv("ALICLOUD_REGION")
	rawClient, err := sharedClientForRegion(region)
	if err != nil {
		t.Skipf("Skipping the test case with err: %s", err)
		t.Skipped()
	}
	rawClient = rawClient.(*connectivity.AliyunClient)
	ReadMockResponse := map[string]interface{}{
		// DescribeExecution
		"FlowName":      "StartExecutionValue",
		"ExecutionName": "StartExecutionValue",
		"Input":         "StartExecutionValue",
		"Status":        "Running",
	}
	CreateMockResponse := map[string]interface{}{
		// StartExecution
	}
	failedResponseMock := func(errorCode string) (map[string]interface{}, error) {
		return nil, &tea.SDKError{
			Code:       String(errorCode),
			Data:       String(errorCode),
			Message:    String(errorCode),
			StatusCode: tea.Int(400),
		}
	}
	notFoundResponseMock := func(errorCode string) (map[string]interface{}, error) {
		return nil, GetNotFoundErrorFromString(GetNotFoundMessage("alicloud_fnf_execution", errorCode))
	}
	successResponseMock := func(operationMockResponse map[string]interface{}) (map[string]interface{}, error) {
		if len(operationMockResponse) > 0 {
			mapMerge(ReadMockResponse, operationMockResponse)
		}
		return ReadMockResponse, nil
	}

	// Create
	patches := gomonkey.ApplyMethod(reflect.TypeOf(&connectivity.AliyunClient{}), "NewFnfClient", func(_ *connectivity.AliyunClient) (*client.Client, error) {
		return nil, &tea.SDKError{
			Code:       String("loadEndpoint error"),
			Data:       String("loadEndpoint error"),
			Message:    String("loadEndpoint error"),
			StatusCode: tea.Int(400),
		}
	})
	err = resourceAlicloudFnFExecutionCreate(dInit, rawClient)
	patches.Reset()
	assert.NotNil(t, err)
	ReadMockResponseDiff := map[string]interface{}{
		// DescribeExecution Response
	}
	errorCodes := []string{"NonRetryableError", "Throttling", "nil"}
	for index, errorCode := range errorCodes {
		retryIndex := index - 1 // a counter used to cover retry scenario; the same below
		patches := gomonkey.ApplyMethod(reflect.TypeOf(&client.Client{}), "DoRequest", func(_ *client.Client, action *string, _ *string, _ *string, _ *string, _ *string, _ map[string]interface{}, _ map[string]interface{}, _ *util.RuntimeOptions) (map[string]interface{}, error) {
			if *action == "StartExecution" {
				switch errorCode {
				case "NonRetryableError":
					return failedResponseMock(errorCode)
				default:
					retryIndex++
					if retryIndex >= len(errorCodes)-1 {
						successResponseMock(ReadMockResponseDiff)
						return CreateMockResponse, nil
					}
					return failedResponseMock(errorCodes[retryIndex])
				}
			}
			return ReadMockResponse, nil
		})
		err := resourceAlicloudFnFExecutionCreate(dInit, rawClient)
		patches.Reset()
		switch errorCode {
		case "NonRetryableError":
			assert.NotNil(t, err)
		default:
			assert.Nil(t, err)
			dCompare, _ := schema.InternalMap(p["alicloud_fnf_execution"].Schema).Data(dInit.State(), nil)
			for key, value := range attributes {
				dCompare.Set(key, value)
			}
			assert.Equal(t, dCompare.State().Attributes, dInit.State().Attributes)
		}
		if retryIndex >= len(errorCodes)-1 {
			break
		}
	}

	// Update
	patches = gomonkey.ApplyMethod(reflect.TypeOf(&connectivity.AliyunClient{}), "NewFnfClient", func(_ *connectivity.AliyunClient) (*client.Client, error) {
		return nil, &tea.SDKError{
			Code:       String("loadEndpoint error"),
			Data:       String("loadEndpoint error"),
			Message:    String("loadEndpoint error"),
			StatusCode: tea.Int(400),
		}
	})
	err = resourceAlicloudFnFExecutionUpdate(dExisted, rawClient)
	patches.Reset()
	assert.NotNil(t, err)
	// StopExecution
	attributesDiff := map[string]interface{}{
		"status": "Stopped",
	}
	diff, err := newInstanceDiff("alicloud_fnf_execution", attributes, attributesDiff, dInit.State())
	if err != nil {
		t.Error(err)
	}
	dExisted, _ = schema.InternalMap(p["alicloud_fnf_execution"].Schema).Data(dInit.State(), diff)
	ReadMockResponseDiff = map[string]interface{}{
		// DescribeExecution Response
		"Status": "Stopped",
	}
	errorCodes = []string{"NonRetryableError", "Throttling", "nil"}
	for index, errorCode := range errorCodes {
		retryIndex := index - 1
		patches := gomonkey.ApplyMethod(reflect.TypeOf(&client.Client{}), "DoRequest", func(_ *client.Client, action *string, _ *string, _ *string, _ *string, _ *string, _ map[string]interface{}, _ map[string]interface{}, _ *util.RuntimeOptions) (map[string]interface{}, error) {
			if *action == "StopExecution" {
				switch errorCode {
				case "NonRetryableError":
					return failedResponseMock(errorCode)
				default:
					retryIndex++
					if retryIndex >= len(errorCodes)-1 {
						return successResponseMock(ReadMockResponseDiff)
					}
					return failedResponseMock(errorCodes[retryIndex])
				}
			}
			return ReadMockResponse, nil
		})
		err := resourceAlicloudFnFExecutionUpdate(dExisted, rawClient)
		patches.Reset()
		switch errorCode {
		case "NonRetryableError":
			assert.NotNil(t, err)
		default:
			assert.Nil(t, err)
			dCompare, _ := schema.InternalMap(p["alicloud_fnf_execution"].Schema).Data(dExisted.State(), nil)
			for key, value := range attributes {
				dCompare.Set(key, value)
			}
			assert.Equal(t, dCompare.State().Attributes, dExisted.State().Attributes)
		}
		if retryIndex >= len(errorCodes)-1 {
			break
		}
	}

	// Read
	errorCodes = []string{"NonRetryableError", "Throttling", "nil", "{}"}
	for index, errorCode := range errorCodes {
		retryIndex := index - 1
		patches := gomonkey.ApplyMethod(reflect.TypeOf(&client.Client{}), "DoRequest", func(_ *client.Client, action *string, _ *string, _ *string, _ *string, _ *string, _ map[string]interface{}, _ map[string]interface{}, _ *util.RuntimeOptions) (map[string]interface{}, error) {
			if *action == "DescribeExecution" {
				switch errorCode {
				case "{}":
					return notFoundResponseMock(errorCode)
				case "NonRetryableError":
					return failedResponseMock(errorCode)
				default:
					retryIndex++
					if errorCodes[retryIndex] == "nil" {
						return ReadMockResponse, nil
					}
					return failedResponseMock(errorCodes[retryIndex])
				}
			}
			return ReadMockResponse, nil
		})
		err := resourceAlicloudFnFExecutionRead(dExisted, rawClient)
		patches.Reset()
		switch errorCode {
		case "NonRetryableError":
			assert.NotNil(t, err)
		case "{}":
			assert.Nil(t, err)
		}
	}

	// Delete
	err = resourceAlicloudFnFExecutionDelete(dExisted, rawClient)
	assert.Nil(t, err)

}
