package alicloud

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

	"github.com/agiledragon/gomonkey/v2"
	"github.com/alibabacloud-go/tea-rpc/client"
	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/aliyun/terraform-provider-alicloud/alicloud/connectivity"
	"github.com/hashicorp/terraform-plugin-sdk/helper/acctest"
	"github.com/hashicorp/terraform-plugin-sdk/helper/resource"
)

func TestAccAlicloudECDSnapshot_basic0(t *testing.T) {
	var v map[string]interface{}
	resourceId := "alicloud_ecd_snapshot.default"
	checkoutSupportedRegions(t, true, connectivity.EcdSupportRegions)
	ra := resourceAttrInit(resourceId, AlicloudEcdSnapshotMap0)
	rc := resourceCheckInitWithDescribeMethod(resourceId, &v, func() interface{} {
		return &EcdService{testAccProvider.Meta().(*connectivity.AliyunClient)}
	}, "DescribeEcdSnapshot")
	rac := resourceAttrCheckInit(rc, ra)
	testAccCheck := rac.resourceAttrMapUpdateSet()
	rand := acctest.RandIntRange(1000, 9999)
	name := fmt.Sprintf("tf-testacc%secdsnapshot%d", defaultRegionToTest, rand)
	testAccConfig := resourceTestAccConfigFunc(resourceId, name, AlicloudEcdSnapshotBasicDependence0)
	resource.Test(t, resource.TestCase{
		PreCheck: func() {
			testAccPreCheck(t)
		},
		IDRefreshName: resourceId,
		Providers:     testAccProviders,
		CheckDestroy:  rac.checkResourceDestroy(),
		Steps: []resource.TestStep{
			{
				Config: testAccConfig(map[string]interface{}{
					"description":      name,
					"desktop_id":       "${alicloud_ecd_desktop.default.id}",
					"source_disk_type": "SYSTEM",
					"snapshot_name":    name,
				}),
				Check: resource.ComposeTestCheckFunc(
					testAccCheck(map[string]string{
						"description":      name,
						"desktop_id":       CHECKSET,
						"source_disk_type": "SYSTEM",
						"snapshot_name":    name,
					}),
				),
			},
			{
				ResourceName:            resourceId,
				ImportState:             true,
				ImportStateVerify:       true,
				ImportStateVerifyIgnore: []string{},
			},
		},
	})
}

var AlicloudEcdSnapshotMap0 = map[string]string{}

func AlicloudEcdSnapshotBasicDependence0(name string) string {
	return fmt.Sprintf(`
variable "name" {
  default = "%s"
}
resource "alicloud_ecd_simple_office_site" "default" {
  cidr_block             = "172.16.0.0/12"
  desktop_access_type    = "Internet"
  office_site_name       = var.name
  enable_internet_access = false
}

data "alicloud_ecd_bundles" "default" {
  bundle_type = "SYSTEM"
}

resource "alicloud_ecd_policy_group" "default" {
  policy_group_name = var.name
  clipboard         = "readwrite"
  local_drive       = "read"
  authorize_access_policy_rules {
    description = "example_value"
    cidr_ip     = "1.2.3.4/24"
  }
  authorize_security_policy_rules {
    type        = "inflow"
    policy      = "accept"
    description = "example_value"
    port_range  = "80/80"
    ip_protocol = "TCP"
    priority    = "1"
    cidr_ip     = "0.0.0.0/0"
  }
}

resource "alicloud_ecd_desktop" "default" {
  office_site_id  = alicloud_ecd_simple_office_site.default.id
  policy_group_id = alicloud_ecd_policy_group.default.id
  bundle_id       = data.alicloud_ecd_bundles.default.bundles.0.id
  desktop_name    = var.name
}
`, name)
}

func TestUnitAlicloudEcdSnapshot(t *testing.T) {
	p := Provider().(*schema.Provider).ResourcesMap
	dInit, _ := schema.InternalMap(p["alicloud_ecd_snapshot"].Schema).Data(nil, nil)
	dExisted, _ := schema.InternalMap(p["alicloud_ecd_snapshot"].Schema).Data(nil, nil)
	dInit.MarkNewResource()
	attributes := map[string]interface{}{
		"description":      "CreateSnapshotValue",
		"desktop_id":       "CreateSnapshotValue",
		"snapshot_name":    "CreateSnapshotValue",
		"source_disk_type": "CreateSnapshotValue",
	}
	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{}{
		// DescribeSnapshots
		"Snapshots": []interface{}{
			map[string]interface{}{
				"CreationTime":   "DefaultValue",
				"Description":    "CreateSnapshotValue",
				"DesktopId":      "CreateSnapshotValue",
				"Progress":       "DefaultValue",
				"RemainTime":     0,
				"SnapshotId":     "CreateSnapshotValue",
				"SnapshotName":   "CreateSnapshotValue",
				"SnapshotType":   "DefaultValue",
				"SourceDiskSize": "DefaultValue",
				"SourceDiskType": "CreateSnapshotValue",
				"Status":         "DefaultValue",
			},
		},
	}
	CreateMockResponse := map[string]interface{}{
		// CreateSnapshot
		"RequestId":  "MockValue",
		"SnapshotId": "CreateSnapshotValue",
	}
	ReadMockResponseDiff := map[string]interface{}{
		// DescribeSnapshots Response
		"Snapshots": []interface{}{
			map[string]interface{}{
				"SnapshotId": "CreateSnapshotValue",
			},
		},
	}
	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_ecd_snapshot", 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{}), "NewGwsecdClient", func(_ *connectivity.AliyunClient) (*client.Client, error) {
		return nil, &tea.SDKError{
			Code:    String("loadEndpoint error"),
			Data:    String("loadEndpoint error"),
			Message: String("loadEndpoint error"),
		}
	})
	err = resourceAlicloudEcdSnapshotCreate(dInit, rawClient)
	patches.Reset()
	assert.NotNil(t, err)
	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 == "CreateSnapshot" {
				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 := resourceAlicloudEcdSnapshotCreate(dInit, rawClient)
		patches.Reset()
		switch errorCode {
		case "NonRetryableError":
			assert.NotNil(t, err)
		default:
			assert.Nil(t, err)
			dCompare, _ := schema.InternalMap(p["alicloud_ecd_snapshot"].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
		}
	}

	// 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 == "DescribeSnapshots" {
				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 := resourceAlicloudEcdSnapshotRead(dExisted, rawClient)
		patches.Reset()
		switch errorCode {
		case "NonRetryableError":
			assert.NotNil(t, err)
		case "{}":
			assert.Nil(t, err)
		}
	}

	// Delete
	patches = gomonkey.ApplyMethod(reflect.TypeOf(&connectivity.AliyunClient{}), "NewGwsecdClient", func(_ *connectivity.AliyunClient) (*client.Client, error) {
		return nil, &tea.SDKError{
			Code:    String("loadEndpoint error"),
			Data:    String("loadEndpoint error"),
			Message: String("loadEndpoint error"),
		}
	})
	err = resourceAlicloudEcdSnapshotDelete(dExisted, rawClient)
	patches.Reset()
	assert.NotNil(t, err)
	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 == "DeleteSnapshot" {
				switch errorCode {
				case "NonRetryableError":
					return failedResponseMock(errorCode)
				default:
					retryIndex++
					if errorCodes[retryIndex] == "nil" {
						ReadMockResponse = map[string]interface{}{}
						return ReadMockResponse, nil
					}
					return failedResponseMock(errorCodes[retryIndex])
				}
			}
			return ReadMockResponse, nil
		})
		err := resourceAlicloudEcdSnapshotDelete(dExisted, rawClient)
		patches.Reset()
		switch errorCode {
		case "NonRetryableError":
			assert.NotNil(t, err)
		}
	}
}
