package aws

import (
	"fmt"
	"testing"

	"github.com/aws/aws-sdk-go/aws"
	"github.com/aws/aws-sdk-go/aws/awserr"
	"github.com/aws/aws-sdk-go/service/iam"
	"github.com/hashicorp/terraform/helper/resource"
	"github.com/hashicorp/terraform/terraform"
)

func TestAccAWSAccessKey_basic(t *testing.T) {
	var conf iam.AccessKeyMetadata

	resource.Test(t, resource.TestCase{
		PreCheck:     func() { testAccPreCheck(t) },
		Providers:    testAccProviders,
		CheckDestroy: testAccCheckAWSAccessKeyDestroy,
		Steps: []resource.TestStep{
			resource.TestStep{
				Config: testAccAWSAccessKeyConfig,
				Check: resource.ComposeTestCheckFunc(
					testAccCheckAWSAccessKeyExists("aws_iam_access_key.a_key", &conf),
					testAccCheckAWSAccessKeyAttributes(&conf),
				),
			},
		},
	})
}

func testAccCheckAWSAccessKeyDestroy(s *terraform.State) error {
	iamconn := testAccProvider.Meta().(*AWSClient).iamconn

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

		// Try to get access key
		resp, err := iamconn.ListAccessKeys(&iam.ListAccessKeysInput{
			UserName: aws.String(rs.Primary.ID),
		})
		if err == nil {
			if len(resp.AccessKeyMetadata) > 0 {
				return fmt.Errorf("still exist.")
			}
			return nil
		}

		// Verify the error is what we want
		ec2err, ok := err.(awserr.Error)
		if !ok {
			return err
		}
		if ec2err.Code() != "NoSuchEntity" {
			return err
		}
	}

	return nil
}

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

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

		iamconn := testAccProvider.Meta().(*AWSClient).iamconn

		resp, err := iamconn.ListAccessKeys(&iam.ListAccessKeysInput{
			UserName: aws.String("testuser"),
		})
		if err != nil {
			return err
		}

		if len(resp.AccessKeyMetadata) != 1 ||
			*resp.AccessKeyMetadata[0].UserName != "testuser" {
			return fmt.Errorf("User not found not found")
		}

		*res = *resp.AccessKeyMetadata[0]

		return nil
	}
}

func testAccCheckAWSAccessKeyAttributes(accessKeyMetadata *iam.AccessKeyMetadata) resource.TestCheckFunc {
	return func(s *terraform.State) error {
		if *accessKeyMetadata.UserName != "testuser" {
			return fmt.Errorf("Bad username: %s", *accessKeyMetadata.UserName)
		}

		if *accessKeyMetadata.Status != "Active" {
			return fmt.Errorf("Bad status: %s", *accessKeyMetadata.Status)
		}

		return nil
	}
}

const testAccAWSAccessKeyConfig = `
resource "aws_iam_user" "a_user" {
	name = "testuser"
}

resource "aws_iam_access_key" "a_key" {
	user = "${aws_iam_user.a_user.name}"
}
`

func TestSesSmtpPasswordFromSecretKey(t *testing.T) {
	cases := []struct {
		Input    string
		Expected string
	}{
		{"some+secret+key", "AnkqhOiWEcszZZzTMCQbOY1sPGoLFgMH9zhp4eNgSjo4"},
		{"another+secret+key", "Akwqr0Giwi8FsQFgW3DXWCC2DiiQ/jZjqLDWK8TeTBgL"},
	}

	for _, tc := range cases {
		actual := sesSmtpPasswordFromSecretKey(&tc.Input)
		if actual != tc.Expected {
			t.Fatalf("%q: expected %q, got %q", tc.Input, tc.Expected, actual)
		}
	}
}