package rds_test

import (
	"fmt"
	"testing"

	"github.com/aws/aws-sdk-go/service/rds"
	sdkacctest "github.com/hashicorp/terraform-plugin-sdk/v2/helper/acctest"
	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/resource"
	"github.com/hashicorp/terraform-provider-aws/internal/acctest"
)

func TestAccRDSProxyDataSource_basic(t *testing.T) {
	if testing.Short() {
		t.Skip("skipping long-running test in short mode")
	}

	dataSourceName := "data.aws_db_proxy.test"
	resourceName := "aws_db_proxy.test"
	rName := sdkacctest.RandomWithPrefix(acctest.ResourcePrefix)

	resource.ParallelTest(t, resource.TestCase{
		PreCheck:                 func() { acctest.PreCheck(t) },
		ErrorCheck:               acctest.ErrorCheck(t, rds.EndpointsID),
		ProtoV5ProviderFactories: acctest.ProtoV5ProviderFactories,
		Steps: []resource.TestStep{
			{
				Config: testAccProxyDataSourceConfig_basic(rName),
				Check: resource.ComposeTestCheckFunc(
					resource.TestCheckResourceAttrPair(dataSourceName, "arn", resourceName, "arn"),
					resource.TestCheckResourceAttrPair(dataSourceName, "auth", resourceName, "auth"),
					resource.TestCheckResourceAttrPair(dataSourceName, "debug_logging", resourceName, "debug_logging"),
					resource.TestCheckResourceAttrPair(dataSourceName, "endpoint", resourceName, "endpoint"),
					resource.TestCheckResourceAttrPair(dataSourceName, "engine_family", resourceName, "engine_family"),
					resource.TestCheckResourceAttrPair(dataSourceName, "idle_client_timeout", resourceName, "idle_client_timeout"),
					resource.TestCheckResourceAttrPair(dataSourceName, "require_tls", resourceName, "require_tls"),
					resource.TestCheckResourceAttrPair(dataSourceName, "role_arn", resourceName, "role_arn"),
					resource.TestCheckResourceAttrPair(dataSourceName, "vpc_id", "aws_vpc.test", "id"),
					resource.TestCheckResourceAttrPair(dataSourceName, "vpc_security_group_ids", resourceName, "vpc_security_group_ids"),
					resource.TestCheckResourceAttrPair(dataSourceName, "vpc_subnet_ids", resourceName, "vpc_subnet_ids"),
				),
			},
		},
	})
}

func testAccProxyDataSourceConfig_basic(rName string) string {
	return fmt.Sprintf(`
# Secrets Manager setup

resource "aws_secretsmanager_secret" "test" {
  name                    = %[1]q
  recovery_window_in_days = 0
}

resource "aws_secretsmanager_secret_version" "test" {
  secret_id     = aws_secretsmanager_secret.test.id
  secret_string = "{\"username\":\"db_user\",\"password\":\"db_user_password\"}"
}

# IAM setup

resource "aws_iam_role" "test" {
  name               = %[1]q
  assume_role_policy = data.aws_iam_policy_document.assume.json
}

data "aws_iam_policy_document" "assume" {
  statement {
    actions = ["sts:AssumeRole"]
    principals {
      type        = "Service"
      identifiers = ["rds.amazonaws.com"]
    }
  }
}

resource "aws_iam_role_policy" "test" {
  role   = aws_iam_role.test.id
  policy = data.aws_iam_policy_document.test.json
}

data "aws_iam_policy_document" "test" {
  statement {
    actions = [
      "secretsmanager:GetRandomPassword",
      "secretsmanager:CreateSecret",
      "secretsmanager:ListSecrets",
    ]
    resources = ["*"]
  }

  statement {
    actions   = ["secretsmanager:*"]
    resources = [aws_secretsmanager_secret.test.arn]
  }
}

# VPC setup

data "aws_availability_zones" "available" {
  state = "available"

  filter {
    name   = "opt-in-status"
    values = ["opt-in-not-required"]
  }
}

resource "aws_vpc" "test" {
  cidr_block = "10.0.0.0/16"

  tags = {
    Name = %[1]q
  }
}

resource "aws_security_group" "test" {
  name   = %[1]q
  vpc_id = aws_vpc.test.id

  tags = {
    Name = %[1]q
  }
}

resource "aws_subnet" "test" {
  count             = 2
  cidr_block        = cidrsubnet(aws_vpc.test.cidr_block, 8, count.index)
  availability_zone = data.aws_availability_zones.available.names[count.index]
  vpc_id            = aws_vpc.test.id

  tags = {
    Name = %[1]q
  }
}

resource "aws_db_proxy" "test" {
  depends_on = [
    aws_secretsmanager_secret_version.test,
    aws_iam_role_policy.test
  ]

  name                   = %[1]q
  debug_logging          = false
  engine_family          = "MYSQL"
  idle_client_timeout    = 1800
  require_tls            = true
  role_arn               = aws_iam_role.test.arn
  vpc_security_group_ids = [aws_security_group.test.id]
  vpc_subnet_ids         = aws_subnet.test[*].id

  auth {
    auth_scheme = "SECRETS"
    description = "test"
    iam_auth    = "DISABLED"
    secret_arn  = aws_secretsmanager_secret.test.arn
  }

  tags = {
    Name = %[1]q
  }
}

data "aws_db_proxy" "test" {
  name = aws_db_proxy.test.name
}
`, rName)
}
