package glacier_test

import (
	"fmt"
	"regexp"
	"testing"

	"github.com/aws/aws-sdk-go/aws"
	"github.com/aws/aws-sdk-go/service/glacier"
	"github.com/hashicorp/aws-sdk-go-base/v2/awsv1shim/v2/tfawserr"
	sdkacctest "github.com/hashicorp/terraform-plugin-sdk/v2/helper/acctest"
	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/resource"
	"github.com/hashicorp/terraform-plugin-sdk/v2/terraform"
	"github.com/hashicorp/terraform-provider-aws/internal/acctest"
	"github.com/hashicorp/terraform-provider-aws/internal/conns"
	tfglacier "github.com/hashicorp/terraform-provider-aws/internal/service/glacier"
)

func TestAccGlacierVault_basic(t *testing.T) {
	var vault glacier.DescribeVaultOutput
	rName := sdkacctest.RandomWithPrefix(acctest.ResourcePrefix)
	resourceName := "aws_glacier_vault.test"

	resource.ParallelTest(t, resource.TestCase{
		PreCheck:          func() { acctest.PreCheck(t) },
		ErrorCheck:        acctest.ErrorCheck(t, glacier.EndpointsID),
		ProviderFactories: acctest.ProviderFactories,
		CheckDestroy:      testAccCheckVaultDestroy,
		Steps: []resource.TestStep{
			{
				Config: testAccVaultConfig_basic(rName),
				Check: resource.ComposeTestCheckFunc(
					testAccCheckVaultExists(resourceName, &vault),
					resource.TestCheckResourceAttr(resourceName, "tags.%", "0"),
					resource.TestCheckResourceAttr(resourceName, "name", rName),
					acctest.MatchResourceAttrRegionalARN(resourceName, "arn", "glacier", regexp.MustCompile(`vaults/.+`)),
					resource.TestCheckResourceAttr(resourceName, "notification.#", "0"),
					resource.TestCheckResourceAttr(resourceName, "access_policy", ""),
				),
			},
			{
				ResourceName:      resourceName,
				ImportState:       true,
				ImportStateVerify: true,
			},
		},
	})
}

func TestAccGlacierVault_notification(t *testing.T) {
	var vault glacier.DescribeVaultOutput
	rName := sdkacctest.RandomWithPrefix(acctest.ResourcePrefix)
	resourceName := "aws_glacier_vault.test"
	snsResourceName := "aws_sns_topic.test"

	resource.ParallelTest(t, resource.TestCase{
		PreCheck:          func() { acctest.PreCheck(t) },
		ErrorCheck:        acctest.ErrorCheck(t, glacier.EndpointsID),
		ProviderFactories: acctest.ProviderFactories,
		CheckDestroy:      testAccCheckVaultDestroy,
		Steps: []resource.TestStep{
			{
				Config: testAccVaultConfig_notification(rName),
				Check: resource.ComposeTestCheckFunc(
					testAccCheckVaultExists(resourceName, &vault),
					resource.TestCheckResourceAttr(resourceName, "notification.#", "1"),
					resource.TestCheckResourceAttr(resourceName, "notification.0.events.#", "2"),
					resource.TestCheckResourceAttrPair(resourceName, "notification.0.sns_topic", snsResourceName, "arn"),
				),
			},
			{
				ResourceName:      resourceName,
				ImportState:       true,
				ImportStateVerify: true,
			},
			{
				Config: testAccVaultConfig_basic(rName),
				Check: resource.ComposeTestCheckFunc(
					testAccCheckVaultExists(resourceName, &vault),
					resource.TestCheckResourceAttr(resourceName, "notification.#", "0"),
					testAccCheckVaultNotificationsMissing(resourceName),
				),
			},
			{
				Config: testAccVaultConfig_notification(rName),
				Check: resource.ComposeTestCheckFunc(
					testAccCheckVaultExists(resourceName, &vault),
					resource.TestCheckResourceAttr(resourceName, "notification.#", "1"),
					resource.TestCheckResourceAttr(resourceName, "notification.0.events.#", "2"),
					resource.TestCheckResourceAttrPair(resourceName, "notification.0.sns_topic", snsResourceName, "arn"),
				),
			},
		},
	})
}

func TestAccGlacierVault_policy(t *testing.T) {
	var vault glacier.DescribeVaultOutput
	rName := sdkacctest.RandomWithPrefix(acctest.ResourcePrefix)
	resourceName := "aws_glacier_vault.test"

	resource.ParallelTest(t, resource.TestCase{
		PreCheck:          func() { acctest.PreCheck(t) },
		ErrorCheck:        acctest.ErrorCheck(t, glacier.EndpointsID),
		ProviderFactories: acctest.ProviderFactories,
		CheckDestroy:      testAccCheckVaultDestroy,
		Steps: []resource.TestStep{
			{
				Config: testAccVaultConfig_policy(rName),
				Check: resource.ComposeTestCheckFunc(
					testAccCheckVaultExists(resourceName, &vault),
					resource.TestCheckResourceAttr(resourceName, "name", rName),
					resource.TestMatchResourceAttr(resourceName, "access_policy",
						regexp.MustCompile(`"Sid":"cross-account-upload".+`)),
				),
			},
			{
				ResourceName:      resourceName,
				ImportState:       true,
				ImportStateVerify: true,
			},
			{
				Config: testAccVaultConfig_policyUpdated(rName),
				Check: resource.ComposeTestCheckFunc(
					testAccCheckVaultExists(resourceName, &vault),
					resource.TestCheckResourceAttr(resourceName, "name", rName),
					resource.TestMatchResourceAttr(resourceName, "access_policy",
						regexp.MustCompile(`"Sid":"cross-account-upload1".+`)),
				),
			},
			{
				Config: testAccVaultConfig_basic(rName),
				Check: resource.ComposeTestCheckFunc(
					testAccCheckVaultExists(resourceName, &vault),
					resource.TestCheckResourceAttr(resourceName, "access_policy", ""),
				),
			},
		},
	})
}

func TestAccGlacierVault_tags(t *testing.T) {
	var vault glacier.DescribeVaultOutput
	rName := sdkacctest.RandomWithPrefix(acctest.ResourcePrefix)
	resourceName := "aws_glacier_vault.test"

	resource.ParallelTest(t, resource.TestCase{
		PreCheck:          func() { acctest.PreCheck(t) },
		ErrorCheck:        acctest.ErrorCheck(t, glacier.EndpointsID),
		ProviderFactories: acctest.ProviderFactories,
		CheckDestroy:      testAccCheckVaultDestroy,
		Steps: []resource.TestStep{
			{
				Config: testAccVaultConfig_tags1(rName, "key1", "value1"),
				Check: resource.ComposeTestCheckFunc(
					testAccCheckVaultExists(resourceName, &vault),
					resource.TestCheckResourceAttr(resourceName, "tags.%", "1"),
					resource.TestCheckResourceAttr(resourceName, "tags.key1", "value1"),
				),
			},
			{
				ResourceName:      resourceName,
				ImportState:       true,
				ImportStateVerify: true,
			},
			{
				Config: testAccVaultConfig_tags2(rName, "key1", "value1updated", "key2", "value2"),
				Check: resource.ComposeTestCheckFunc(
					testAccCheckVaultExists(resourceName, &vault),
					resource.TestCheckResourceAttr(resourceName, "tags.%", "2"),
					resource.TestCheckResourceAttr(resourceName, "tags.key1", "value1updated"),
					resource.TestCheckResourceAttr(resourceName, "tags.key2", "value2"),
				),
			},
			{
				Config: testAccVaultConfig_tags1(rName, "key2", "value2"),
				Check: resource.ComposeTestCheckFunc(
					testAccCheckVaultExists(resourceName, &vault),
					resource.TestCheckResourceAttr(resourceName, "tags.%", "1"),
					resource.TestCheckResourceAttr(resourceName, "tags.key2", "value2"),
				),
			},
		},
	})
}

func TestAccGlacierVault_disappears(t *testing.T) {
	var vault glacier.DescribeVaultOutput
	rName := sdkacctest.RandomWithPrefix(acctest.ResourcePrefix)
	resourceName := "aws_glacier_vault.test"

	resource.ParallelTest(t, resource.TestCase{
		PreCheck:          func() { acctest.PreCheck(t) },
		ErrorCheck:        acctest.ErrorCheck(t, glacier.EndpointsID),
		ProviderFactories: acctest.ProviderFactories,
		CheckDestroy:      testAccCheckVaultDestroy,
		Steps: []resource.TestStep{
			{
				Config: testAccVaultConfig_basic(rName),
				Check: resource.ComposeTestCheckFunc(
					testAccCheckVaultExists(resourceName, &vault),
					acctest.CheckResourceDisappears(acctest.Provider, tfglacier.ResourceVault(), resourceName),
				),
				ExpectNonEmptyPlan: true,
			},
		},
	})
}

func TestAccGlacierVault_ignoreEquivalent(t *testing.T) {
	var vault glacier.DescribeVaultOutput
	rName := sdkacctest.RandomWithPrefix(acctest.ResourcePrefix)
	resourceName := "aws_glacier_vault.test"

	resource.ParallelTest(t, resource.TestCase{
		PreCheck:          func() { acctest.PreCheck(t) },
		ErrorCheck:        acctest.ErrorCheck(t, glacier.EndpointsID),
		ProviderFactories: acctest.ProviderFactories,
		CheckDestroy:      testAccCheckVaultDestroy,
		Steps: []resource.TestStep{
			{
				Config: testAccVaultConfig_policyOrder(rName),
				Check: resource.ComposeTestCheckFunc(
					testAccCheckVaultExists(resourceName, &vault),
					resource.TestCheckResourceAttr(resourceName, "tags.%", "0"),
					resource.TestCheckResourceAttr(resourceName, "name", rName),
					acctest.MatchResourceAttrRegionalARN(resourceName, "arn", "glacier", regexp.MustCompile(`vaults/.+`)),
					resource.TestCheckResourceAttr(resourceName, "notification.#", "0"),
					resource.TestMatchResourceAttr(resourceName, "access_policy", regexp.MustCompile(fmt.Sprintf(`"Sid":"%s"`, rName))),
				),
			},
			{
				Config:   testAccVaultConfig_policyNewOrder(rName),
				PlanOnly: true,
			},
		},
	})
}

func testAccCheckVaultExists(name string, vault *glacier.DescribeVaultOutput) resource.TestCheckFunc {
	return func(s *terraform.State) error {
		rs, ok := s.RootModule().Resources[name]
		if !ok {
			return fmt.Errorf("Not found: %s", name)
		}

		if rs.Primary.ID == "" {
			return fmt.Errorf("No ID is set")
		}

		conn := acctest.Provider.Meta().(*conns.AWSClient).GlacierConn
		out, err := conn.DescribeVault(&glacier.DescribeVaultInput{
			VaultName: aws.String(rs.Primary.ID),
		})

		if err != nil {
			return err
		}

		if out.VaultARN == nil {
			return fmt.Errorf("No Glacier Vault Found")
		}

		if *out.VaultName != rs.Primary.ID {
			return fmt.Errorf("Glacier Vault Mismatch - existing: %q, state: %q",
				*out.VaultName, rs.Primary.ID)
		}

		*vault = *out

		return nil
	}
}

func testAccCheckVaultNotificationsMissing(name string) resource.TestCheckFunc {
	return func(s *terraform.State) error {
		rs, ok := s.RootModule().Resources[name]
		if !ok {
			return fmt.Errorf("Not found: %s", name)
		}

		if rs.Primary.ID == "" {
			return fmt.Errorf("No ID is set")
		}

		conn := acctest.Provider.Meta().(*conns.AWSClient).GlacierConn
		out, err := conn.GetVaultNotifications(&glacier.GetVaultNotificationsInput{
			VaultName: aws.String(rs.Primary.ID),
		})

		if !tfawserr.ErrCodeEquals(err, glacier.ErrCodeResourceNotFoundException) {
			return fmt.Errorf("Expected ResourceNotFoundException for Vault %s Notification Block but got %s", rs.Primary.ID, err)
		}

		if out.VaultNotificationConfig != nil {
			return fmt.Errorf("Vault Notification Block has been found for %s", rs.Primary.ID)
		}

		return nil
	}

}

func testAccCheckVaultDestroy(s *terraform.State) error {
	conn := acctest.Provider.Meta().(*conns.AWSClient).GlacierConn

	for _, rs := range s.RootModule().Resources {
		if rs.Type != "aws_glacier_vault" {
			continue
		}

		input := &glacier.DescribeVaultInput{
			VaultName: aws.String(rs.Primary.ID),
		}
		if _, err := conn.DescribeVault(input); err != nil {
			// Verify the error is what we want
			if tfawserr.ErrCodeEquals(err, glacier.ErrCodeResourceNotFoundException) {
				continue
			}

			return err
		}
		return fmt.Errorf("still exists")
	}
	return nil
}

func testAccVaultConfig_basic(rName string) string {
	return fmt.Sprintf(`
resource "aws_glacier_vault" "test" {
  name = %[1]q
}
`, rName)
}

func testAccVaultConfig_notification(rName string) string {
	return fmt.Sprintf(`
resource "aws_sns_topic" "test" {
  name = %[1]q
}

resource "aws_glacier_vault" "test" {
  name = %[1]q

  notification {
    sns_topic = aws_sns_topic.test.arn
    events    = ["ArchiveRetrievalCompleted", "InventoryRetrievalCompleted"]
  }
}
`, rName)
}

func testAccVaultConfig_policy(rName string) string {
	return fmt.Sprintf(`
data "aws_partition" "current" {}

data "aws_region" "current" {}

data "aws_caller_identity" "current" {}

resource "aws_glacier_vault" "test" {
  name = %[1]q

  access_policy = <<EOF
{
    "Version":"2012-10-17",
    "Statement":[
       {
          "Sid":"cross-account-upload",
          "Principal": {
             "AWS": "*"
          },
          "Effect":"Allow",
          "Action": [
             "glacier:InitiateMultipartUpload",
             "glacier:AbortMultipartUpload",
             "glacier:CompleteMultipartUpload"
          ],
          "Resource": "arn:${data.aws_partition.current.partition}:glacier:${data.aws_region.current.name}:${data.aws_caller_identity.current.account_id}:vaults/%[1]s"
       }
    ]
}
EOF
}
`, rName)
}

func testAccVaultConfig_policyUpdated(rName string) string {
	return fmt.Sprintf(`
data "aws_partition" "current" {}

data "aws_region" "current" {}

data "aws_caller_identity" "current" {}

resource "aws_glacier_vault" "test" {
  name = %[1]q

  access_policy = <<EOF
{
    "Version":"2012-10-17",
    "Statement":[
       {
          "Sid":"cross-account-upload1",
          "Principal": {
             "AWS": ["*"]
          },
          "Effect":"Allow",
          "Action": [
             "glacier:UploadArchive",
             "glacier:InitiateMultipartUpload",
             "glacier:AbortMultipartUpload",
             "glacier:CompleteMultipartUpload"
          ],
          "Resource": ["arn:${data.aws_partition.current.partition}:glacier:${data.aws_region.current.name}:${data.aws_caller_identity.current.account_id}:vaults/%[1]s"]
       }
    ]
}
EOF
}
`, rName)
}

func testAccVaultConfig_tags1(rName, tagKey1, tagValue1 string) string {
	return fmt.Sprintf(`
resource "aws_glacier_vault" "test" {
  name = %[1]q

  tags = {
    %[2]q = %[3]q
  }
}
`, rName, tagKey1, tagValue1)
}

func testAccVaultConfig_tags2(rName, tagKey1, tagValue1, tagKey2, tagValue2 string) string {
	return fmt.Sprintf(`
resource "aws_glacier_vault" "test" {
  name = %[1]q

  tags = {
    %[2]q = %[3]q
    %[4]q = %[5]q
  }
}
`, rName, tagKey1, tagValue1, tagKey2, tagValue2)
}

func testAccVaultConfig_policyOrder(rName string) string {
	return fmt.Sprintf(`
data "aws_partition" "current" {}

data "aws_region" "current" {}

data "aws_caller_identity" "current" {}

resource "aws_glacier_vault" "test" {
  name = %[1]q

  access_policy = jsonencode({
    Version = "2012-10-17"
    Statement = [{
      Sid = %[1]q
      Principal = {
        AWS = ["*"]
      }
      Effect = "Allow"
      Action = [
        "glacier:InitiateMultipartUpload",
        "glacier:AbortMultipartUpload",
        "glacier:CompleteMultipartUpload",
      ]
      Resource = [
        "arn:${data.aws_partition.current.partition}:glacier:${data.aws_region.current.name}:${data.aws_caller_identity.current.account_id}:vaults/%[1]s",
      ]
    }]
  })
}
`, rName)
}

func testAccVaultConfig_policyNewOrder(rName string) string {
	return fmt.Sprintf(`
data "aws_partition" "current" {}

data "aws_region" "current" {}

data "aws_caller_identity" "current" {}

resource "aws_glacier_vault" "test" {
  name = %[1]q

  access_policy = jsonencode({
    Version = "2012-10-17"
    Statement = [{
      Sid = %[1]q
      Principal = {
        AWS = ["*"]
      }
      Effect = "Allow"
      Action = [
        "glacier:CompleteMultipartUpload",
        "glacier:InitiateMultipartUpload",
        "glacier:AbortMultipartUpload",
      ]
      Resource = "arn:${data.aws_partition.current.partition}:glacier:${data.aws_region.current.name}:${data.aws_caller_identity.current.account_id}:vaults/%[1]s"
    }]
  })
}
`, rName)
}
