// GENERATED, DO NOT EDIT THIS FILE
package aws

import (
	"bytes"
	"fmt"

	"github.com/hashicorp/terraform/helper/hashcode"
	"github.com/zclconf/go-cty/cty"

	"github.com/cloudskiff/driftctl/pkg/resource"
)

const AwsSecurityGroupRuleResourceType = "aws_security_group_rule"

type AwsSecurityGroupRule struct {
	CidrBlocks            *[]string  `cty:"cidr_blocks"`
	Description           *string    `cty:"description"`
	FromPort              *int       `cty:"from_port"`
	Id                    string     `cty:"id" computed:"true"`
	Ipv6CidrBlocks        *[]string  `cty:"ipv6_cidr_blocks"`
	PrefixListIds         *[]string  `cty:"prefix_list_ids"`
	Protocol              *string    `cty:"protocol"`
	SecurityGroupId       *string    `cty:"security_group_id"`
	Self                  *bool      `cty:"self" diff:"-"`
	SourceSecurityGroupId *string    `cty:"source_security_group_id" computed:"true"`
	ToPort                *int       `cty:"to_port"`
	Type                  *string    `cty:"type"`
	CtyVal                *cty.Value `diff:"-"`
}

func (r *AwsSecurityGroupRule) TerraformId() string {
	return r.Id
}

func (r *AwsSecurityGroupRule) TerraformType() string {
	return AwsSecurityGroupRuleResourceType
}

func (r *AwsSecurityGroupRule) CtyValue() *cty.Value {
	return r.CtyVal
}

func CreateSecurityGroupRuleIdHash(attrs *resource.Attributes) string {
	var buf bytes.Buffer
	buf.WriteString(fmt.Sprintf("%s-", *attrs.GetString("security_group_id")))
	if attrs.GetInt("from_port") != nil && *attrs.GetInt("from_port") > 0 {
		buf.WriteString(fmt.Sprintf("%d-", *attrs.GetInt("from_port")))
	}
	if attrs.GetInt("to_port") != nil && *attrs.GetInt("to_port") > 0 {
		buf.WriteString(fmt.Sprintf("%d-", *attrs.GetInt("to_port")))
	}
	buf.WriteString(fmt.Sprintf("%s-", *attrs.GetString("protocol")))
	buf.WriteString(fmt.Sprintf("%s-", *attrs.GetString("type")))

	if attrs.GetSlice("cidr_blocks") != nil {
		for _, v := range attrs.GetSlice("cidr_blocks") {
			buf.WriteString(fmt.Sprintf("%s-", v))
		}
	}

	if attrs.GetSlice("ipv6_cidr_blocks") != nil {
		for _, v := range attrs.GetSlice("ipv6_cidr_blocks") {
			buf.WriteString(fmt.Sprintf("%s-", v))
		}
	}

	if attrs.GetSlice("prefix_list_ids") != nil {
		for _, v := range attrs.GetSlice("prefix_list_ids") {
			buf.WriteString(fmt.Sprintf("%s-", v))
		}
	}

	if (attrs.GetBool("self") != nil && *attrs.GetBool("self")) ||
		(attrs.GetString("source_security_group_id") != nil && *attrs.GetString("source_security_group_id") != "") {
		if attrs.GetBool("self") != nil && *attrs.GetBool("self") {
			buf.WriteString(fmt.Sprintf("%s-", *attrs.GetString("security_group_id")))
		} else {
			buf.WriteString(fmt.Sprintf("%s-", *attrs.GetString("source_security_group_id")))
		}
		buf.WriteString("-")
	}

	return fmt.Sprintf("sgrule-%d", hashcode.String(buf.String()))
}

func initAwsSecurityGroupRuleMetaData(resourceSchemaRepository resource.SchemaRepositoryInterface) {
	resourceSchemaRepository.SetNormalizeFunc(AwsSecurityGroupRuleResourceType, func(res *resource.AbstractResource) {
		val := res.Attrs
		val.DeleteIfDefault("security_group_id")
		val.DeleteIfDefault("source_security_group_id")

		// On first run, this field is set to null in state file and to "" after one refresh or apply
		// This ensure that if we find a nil value we dont drift
		val.DeleteIfDefault("description")

		// If protocol is all (e.g. -1), tcp, udp, icmp or icmpv6 then we leave the resource untouched
		// Else we delete the FromPort/ToPort and recreate the rule's id
		switch *val.GetString("protocol") {
		case "-1", "tcp", "udp", "icmp", "icmpv6":
			return
		}

		val.SafeDelete([]string{"from_port"})
		val.SafeDelete([]string{"to_port"})
		id := CreateSecurityGroupRuleIdHash(val)
		val.SafeSet([]string{"id"}, id)
		res.Id = id
	})
}