use super::*;

mod impls;

/// NetworkSpec encapsulates all things related to AWS network.
#[derive(Clone, Debug, Default, Serialize, Deserialize)]
#[serde(rename_all = "camelCase")]
#[skip_serializing_none]
pub struct NetworkSpec {
    /// VPC configuration.
    // +optional
    pub vpc: Option<VPCSpec>, // `json:"vpc,omitempty"`

    /// Subnets configuration.
    // +optional
    pub subnets: Option<Subnets>, // `json:"subnets,omitempty"`

    /// CNI configuration
    // +optional
    pub cni: Option<CNISpec>, // `json:"cni,omitempty"`

    /// SecurityGroupOverrides is an optional set of security groups to use for cluster instances
    //./ This is optional - if not provided new security groups will be created for the cluster
    // +optional
    #[serde(default, skip_serializing_if = "BTreeMap::is_empty")]
    pub security_group_overrides: BTreeMap<SecurityGroupRole, String>, // `json:"securityGroupOverrides,omitempty"`
}

/// VPCSpec configures an AWS VPC.
#[derive(Clone, Debug, Default, Serialize, Deserialize)]
#[serde(rename_all = "camelCase")]
#[skip_serializing_none]
pub struct VPCSpec {
    /// ID is the vpc-id of the VPC this provider should use to create resources.
    pub id: Option<String>, // `json:"id,omitempty"`

    /// CidrBlock is the CIDR block to be used when the provider creates a managed VPC.
    /// Defaults to 10.0.0.0/16.
    pub cidr_block: Option<String>, // `json:"cidrBlock,omitempty"`

    /// InternetGatewayID is the id of the internet gateway associated with the VPC.
    // +optional
    pub internet_gateway_id: Option<String>, // `json:"internetGatewayId,omitempty"`

    /// Tags is a collection of tags describing the resource.
    #[serde(default, skip_serializing_if = "Tags::is_empty")]
    pub tags: Tags, // `json:"tags,omitempty"`

    // AvailabilityZoneUsageLimit specifies the maximum number of availability zones (AZ) that
    // should be used in a region when automatically creating subnets. If a region has more
    // than this number of AZs then this number of AZs will be picked randomly when creating
    // default subnets. Defaults to 3
    // +kubebuilder:default=3
    // +kubebuilder:validation:Minimum=1
    pub availability_zone_usage_limit: Option<i64>, // `json:"availabilityZoneUsageLimit,omitempty"`

    // AvailabilityZoneSelection specifies how AZs should be selected if there are more AZs
    // in a region than specified by AvailabilityZoneUsageLimit. There are 2 selection schemes:
    // Ordered - selects based on alphabetical order
    // Random - selects AZs randomly in a region
    // Defaults to Ordered
    // +kubebuilder:default=Ordered
    // +kubebuilder:validation:Enum=Ordered;Random
    pub availability_zone_selection: Option<AZSelectionScheme>, // `json:"availabilityZoneSelection,omitempty"`
}

/// NetworkStatus encapsulates AWS networking resources.
#[derive(Clone, Debug, Serialize, Deserialize)]
#[serde(rename_all = "camelCase")]
#[skip_serializing_none]
pub struct NetworkStatus {
    /// SecurityGroups is a map from the role/kind of the security group to its unique name, if any.
    #[serde(default, skip_serializing_if = "BTreeMap::is_empty")]
    pub security_groups: BTreeMap<SecurityGroupRole, SecurityGroup>, // `json:"securityGroups,omitempty"`

    /// APIServerELB is the Kubernetes api server classic load balancer.
    pub api_server_elb: ClassicELB, // `json:"apiServerElb,omitempty"`
}

/// ClassicELBScheme defines the scheme of a classic load balancer.
#[derive(Clone, Copy, Debug, PartialEq, Serialize, Deserialize)]
pub enum ClassicELBScheme {
    /// ClassicELBSchemeInternetFacing defines an internet-facing, publicly
    /// accessible AWS Classic ELB scheme.
    #[serde(rename = "internet-facing")]
    InternetFacing,

    /// ClassicELBSchemeInternal defines an internal-only facing
    /// load balancer internal to an ELB.
    #[serde(rename = "internal")]
    Internal,

    /// ClassicELBSchemeIncorrectInternetFacing was inaccurately used to define an internet-facing LB in v0.6 releases > v0.6.6 and v0.7.0 release.
    #[serde(rename = "Internet-facing")]
    IncorrectInternetFacing,
}

/// Subnets is a slice of Subnet.
#[derive(Clone, Debug, Default, Serialize, Deserialize)]
pub struct Subnets(pub Vec<SubnetSpec>);

/// SubnetSpec configures an AWS Subnet.
#[derive(Clone, Debug, Default, Serialize, Deserialize)]
#[serde(rename_all = "camelCase")]
#[skip_serializing_none]
pub struct SubnetSpec {
    /// ID defines a unique identifier to reference this resource.
    pub id: Option<String>, // `json:"id,omitempty"`

    /// CidrBlock is the CIDR block to be used when the provider creates a managed VPC.
    pub cidr_block: Option<String>, // `json:"cidrBlock,omitempty"`

    /// AvailabilityZone defines the availability zone to use for this subnet in the cluster's region.
    pub availability_zone: Option<String>, // `json:"availabilityZone,omitempty"`

    /// IsPublic defines the subnet as a public subnet. A subnet is public when it is associated with a route table that has a route to an internet gateway.
    // +optional
    pub is_public: Option<bool>, // `json:"isPublic"`

    /// RouteTableID is the routing table id associated with the subnet.
    // +optional
    pub route_table_id: Option<String>, // `json:"routeTableId,omitempty"`

    /// NatGatewayID is the NAT gateway id associated with the subnet.
    /// Ignored unless the subnet is managed by the provider, in which case this is set on the public subnet where the NAT gateway resides. It is then used to determine routes for private subnets in the same AZ as the public subnet.
    // +optional
    pub nat_gateway_id: Option<String>, // `json:"natGatewayId,omitempty"`

    /// Tags is a collection of tags describing the resource.
    #[serde(default, skip_serializing_if = "Tags::is_empty")]
    pub tags: Tags, // `json:"tags,omitempty"`
}

/// CNISpec defines configuration for CNI.
#[derive(Clone, Debug, Default, Serialize, Deserialize)]
#[serde(rename_all = "camelCase")]
#[skip_serializing_none]
pub struct CNISpec {
    /// CNIIngressRules specify rules to apply to control plane and worker node security groups.
    /// The source for the rule will be set to control plane and worker security group IDs.
    #[serde(default, skip_serializing_if = "Vec::is_empty")]
    pub cni_ingress_rules: Vec<CNIIngressRule>, // `json:"cniIngressRules,omitempty"`
}

/// CNIIngressRule defines an AWS ingress rule for CNI requirements.
#[derive(Clone, Debug, Serialize, Deserialize)]
#[serde(rename_all = "camelCase")]
#[skip_serializing_none]
pub struct CNIIngressRule {
    pub description: String,             //                `json:"description"`
    pub protocol: SecurityGroupProtocol, // `json:"protocol"`
    pub from_port: i64,                  //                 `json:"fromPort"`
    pub to_port: i64,                    //                 `json:"toPort"`
}

// SecurityGroupProtocol defines the protocol type for a security group rule.
#[derive(Clone, Copy, Debug, PartialEq, Serialize, Deserialize)]
pub enum SecurityGroupProtocol {
    /// SecurityGroupProtocolAll is a wildcard for all IP protocols.
    #[serde(rename = "-1")]
    All,

    /// SecurityGroupProtocolIPinIP represents the IP in IP protocol in ingress rules.
    #[serde(rename = "4")]
    IPinIP,

    /// SecurityGroupProtocolTCP represents the TCP protocol in ingress rules.
    #[serde(rename = "tcp")]
    Tcp,

    /// SecurityGroupProtocolUDP represents the UDP protocol in ingress rules.
    #[serde(rename = "udp")]
    Udp,

    /// SecurityGroupProtocolICMP represents the ICMP protocol in ingress rules.
    #[serde(rename = "icmp")]
    Icmp,

    /// SecurityGroupProtocolICMPv6 represents the ICMPv6 protocol in ingress rules.
    #[serde(rename = "58")]
    Icmpv6,
}

/// SecurityGroupRole defines the unique role of a security group.
#[derive(Clone, Copy, Debug, Hash, PartialEq, PartialOrd, Eq, Ord, Serialize, Deserialize)]
pub enum SecurityGroupRole {
    /// SecurityGroupBastion defines an SSH bastion role.
    #[serde(rename = "bastion")]
    Bastion,
    /// SecurityGroupNode defines a Kubernetes workload node role.
    #[serde(rename = "node")]
    Node,
    /// SecurityGroupEKSNodeAdditional defines an extra node group from eks nodes.
    #[serde(rename = "node-eks-additional")]
    EKSNodeAdditional,
    /// SecurityGroupControlPlane defines a Kubernetes control plane node role.
    #[serde(rename = "controlplane")]
    ControlPlane,
    /// SecurityGroupAPIServerLB defines a Kubernetes API Server Load Balancer role.
    #[serde(rename = "apiserver-lb")]
    APIServerLB,
    /// SecurityGroupLB defines a container for the cloud provider to inject its load balancer ingress rules.
    #[serde(rename = "lb")]
    LB,
}

/// SecurityGroup defines an AWS security group.
#[derive(Clone, Debug, Serialize, Deserialize)]
#[serde(rename_all = "camelCase")]
#[skip_serializing_none]
pub struct SecurityGroup {
    /// ID is a unique identifier.
    pub id: String, // `json:"id"`

    /// Name is the security group name.
    pub name: String, // `json:"name"`

    /// IngressRules is the inbound rules associated with the security group.
    // +optional
    pub ingress_rule: Option<Vec<IngressRule>>, // `json:"ingressRule,omitempty"`

    /// Tags is a map of tags associated with the security group.
    #[serde(default, skip_serializing_if = "Tags::is_empty")]
    pub tags: Tags, // `json:"tags,omitempty"`
}

/// IngressRule defines an AWS ingress rule for security groups.
#[derive(Clone, Debug, Serialize, Deserialize)]
#[serde(rename_all = "camelCase")]
#[skip_serializing_none]
pub struct IngressRule {
    pub description: String,             //                `json:"description"`
    pub protocol: SecurityGroupProtocol, // `json:"protocol"`
    pub from_port: i64,                  //                 `json:"fromPort"`
    pub to_port: i64,                    //                 `json:"toPort"`

    /// List of CIDR blocks to allow access from. Cannot be specified with SourceSecurityGroupID.
    // +optional
    pub cidr_blocks: Option<Vec<String>>, // `json:"cidrBlocks,omitempty"`

    /// The security group id to allow access from. Cannot be specified with CidrBlocks.
    // +optional
    pub source_security_group_ids: Option<Vec<String>>, // `json:"sourceSecurityGroupIds,omitempty"`
}

// ClassicELB defines an AWS classic load balancer.
#[derive(Clone, Debug, Serialize, Deserialize)]
#[serde(rename_all = "camelCase")]
#[skip_serializing_none]
pub struct ClassicELB {
    /// The name of the load balancer. It must be unique within the set of load balancers
    /// defined in the region. It also serves as identifier.
    pub name: Option<String>, // `json:"name,omitempty"`

    /// DNSName is the dns name of the load balancer.
    pub dns_name: Option<String>, // `json:"dnsName,omitempty"`

    /// Scheme is the load balancer scheme, either internet-facing or private.
    pub scheme: Option<ClassicELBScheme>, // `json:"scheme,omitempty"`

    /// AvailabilityZones is an array of availability zones in the VPC attached to the load balancer.
    #[serde(default, skip_serializing_if = "Vec::is_empty")]
    pub availability_zones: Vec<String>, // `json:"availabilityZones,omitempty"`

    /// SubnetIDs is an array of subnets in the VPC attached to the load balancer.
    #[serde(default, skip_serializing_if = "Vec::is_empty")]
    pub subnet_ids: Vec<String>, // `json:"subnetIds,omitempty"`

    /// SecurityGroupIDs is an array of security groups assigned to the load balancer.
    #[serde(default, skip_serializing_if = "Vec::is_empty")]
    pub security_group_ids: Vec<String>, // `json:"securityGroupIds,omitempty"`

    /// Listeners is an array of classic elb listeners associated with the load balancer. There must be at least one.
    #[serde(default, skip_serializing_if = "Vec::is_empty")]
    pub listeners: Vec<ClassicELBListener>, // `json:"listeners,omitempty"`

    /// HealthCheck is the classic elb health check associated with the load balancer.
    pub health_check: Option<ClassicELBHealthCheck>, // `json:"healthChecks,omitempty"`

    /// Attributes defines extra attributes associated with the load balancer.
    pub attributes: Option<ClassicELBAttributes>, // `json:"attributes,omitempty"`

    /// Tags is a map of tags associated with the load balancer.
    #[serde(default, skip_serializing_if = "Tags::is_empty")]
    pub tags: Tags, // `json:"tags,omitempty"`
}

/// ClassicELBListener defines an AWS classic load balancer listener.
#[derive(Clone, Debug, Serialize, Deserialize)]
#[serde(rename_all = "camelCase")]
#[skip_serializing_none]
pub struct ClassicELBListener {
    pub protocol: ClassicELBProtocol,          // `json:"protocol"`
    pub port: i64,                             //              `json:"port"`
    pub instance_protocol: ClassicELBProtocol, // `json:"instanceProtocol"`
    pub instance_port: i64,                    //             `json:"instancePort"`
}

/// ClassicELBProtocol defines listener protocols for a classic load balancer.
#[derive(Clone, Copy, Debug, Hash, PartialEq, PartialOrd, Eq, Ord, Serialize, Deserialize)]
pub enum ClassicELBProtocol {
    /// ClassicELBProtocolTCP defines the ELB API string representing the TCP protocol.
    #[serde(rename = "TCP")]
    Tcp,
    /// ClassicELBProtocolSSL defines the ELB API string representing the TLS protocol.
    #[serde(rename = "SSL")]
    Ssl,
    /// ClassicELBProtocolHTTP defines the ELB API string representing the HTTP protocol at L7.
    #[serde(rename = "HTTP")]
    Http,
    /// ClassicELBProtocolHTTPS defines the ELB API string representing the HTTPS protocol at L7.
    #[serde(rename = "HTTPS")]
    Https,
}

/// ClassicELBHealthCheck defines an AWS classic load balancer health check.
#[serde_as]
#[derive(Clone, Debug, Serialize, Deserialize)]
#[serde(rename_all = "camelCase")]
#[skip_serializing_none]
pub struct ClassicELBHealthCheck {
    pub target: String, //       `json:"target"`
    #[serde_as(as = "serde_with::DurationSeconds<i64>")]
    pub interval: chrono::Duration, // `json:"interval"`
    #[serde_as(as = "serde_with::DurationSeconds<i64>")]
    pub timeout: chrono::Duration, // `json:"timeout"`
    pub healthy_threshold: i64, //         `json:"healthyThreshold"`
    pub unhealthy_threshold: i64, //         `json:"unhealthyThreshold"`
}

/// ClassicELBAttributes defines extra attributes associated with a classic load balancer.
#[serde_as]
#[derive(Clone, Debug, Serialize, Deserialize)]
#[serde(rename_all = "camelCase")]
#[skip_serializing_none]
pub struct ClassicELBAttributes {
    /// IdleTimeout is time that the connection is allowed to be idle (no data
    /// has been sent over the connection) before it is closed by the load balancer.
    #[serde_as(as = "serde_with::DurationSeconds<i64>")]
    pub idle_timeout: chrono::Duration, // `json:"idleTimeout,omitempty"`

    /// CrossZoneLoadBalancing enables the classic load balancer load balancing.
    // +optional
    pub cross_zone_load_balancing: Option<bool>, // `json:"crossZoneLoadBalancing,omitempty"`
}

/*  ============================================================================
package v1beta1

import (
    "fmt"
    "sort"
    "time"
)


func (e ClassicELBScheme) String() string {
    return string(e)
}

// IsUnmanaged returns true if the Classic ELB is unmanaged.
func (b *ClassicELB) IsUnmanaged(clusterName string) bool {
    return b.Name != "" && !Tags(b.Tags).HasOwned(clusterName)
}

// IsManaged returns true if Classic ELB is managed.
func (b *ClassicELB) IsManaged(clusterName string) bool {
    return !b.IsUnmanaged(clusterName)
}



// String returns a string representation of the VPC.
func (v *VPCSpec) String() string {
    return fmt.Sprintf("id=%s", v.ID)
}

// IsUnmanaged returns true if the VPC is unmanaged.
func (v *VPCSpec) IsUnmanaged(clusterName string) bool {
    return v.ID != "" && !v.Tags.HasOwned(clusterName)
}

// IsManaged returns true if VPC is managed.
func (v *VPCSpec) IsManaged(clusterName string) bool {
    return !v.IsUnmanaged(clusterName)
}


// String returns a string representation of the subnet.
func (s *SubnetSpec) String() string {
    return fmt.Sprintf("id=%s/az=%s/public=%v", s.ID, s.AvailabilityZone, s.IsPublic)
}

// ToMap returns a map from id to subnet.
func (s Subnets) ToMap() map[string]*SubnetSpec {
    res := make(map[string]*SubnetSpec)
    for i := range s {
        x := s[i]
        res[x.ID] = &x
    }
    return res
}

// IDs returns a slice of the subnet ids.
func (s Subnets) IDs() []string {
    res := []string{}
    for _, subnet := range s {
        res = append(res, subnet.ID)
    }
    return res
}

// FindByID returns a single subnet matching the given id or nil.
func (s Subnets) FindByID(id string) *SubnetSpec {
    for _, x := range s {
        if x.ID == id {
            return &x
        }
    }

    return nil
}

// FindEqual returns a subnet spec that is equal to the one passed in.
// Two subnets are defined equal to each other if their id is equal
// or if they are in the same vpc and the cidr block is the same.
func (s Subnets) FindEqual(spec *SubnetSpec) *SubnetSpec {
    for _, x := range s {
        if (spec.ID != "" && x.ID == spec.ID) || (spec.CidrBlock == x.CidrBlock) {
            return &x
        }
    }
    return nil
}

// FilterPrivate returns a slice containing all subnets marked as private.
func (s Subnets) FilterPrivate() (res Subnets) {
    for _, x := range s {
        if !x.IsPublic {
            res = append(res, x)
        }
    }
    return
}

// FilterPublic returns a slice containing all subnets marked as public.
func (s Subnets) FilterPublic() (res Subnets) {
    for _, x := range s {
        if x.IsPublic {
            res = append(res, x)
        }
    }
    return
}

// FilterByZone returns a slice containing all subnets that live in the availability zone specified.
func (s Subnets) FilterByZone(zone string) (res Subnets) {
    for _, x := range s {
        if x.AvailabilityZone == zone {
            res = append(res, x)
        }
    }
    return
}

// GetUniqueZones returns a slice containing the unique zones of the subnets.
func (s Subnets) GetUniqueZones() []string {
    keys := make(map[string]bool)
    zones := []string{}
    for _, x := range s {
        if _, value := keys[x.AvailabilityZone]; !value {
            keys[x.AvailabilityZone] = true
            zones = append(zones, x.AvailabilityZone)
        }
    }
    return zones
}

// RouteTable defines an AWS routing table.
type RouteTable struct {
    ID string `json:"id"`
}


// String returns a string representation of the security group.
func (s *SecurityGroup) String() string {
    return fmt.Sprintf("id=%s/name=%s", s.ID, s.Name)
}



// String returns a string representation of the ingress rule.
func (i *IngressRule) String() string {
    return fmt.Sprintf("protocol=%s/range=[%d-%d]/description=%s", i.Protocol, i.FromPort, i.ToPort, i.Description)
}

// IngressRules is a slice of AWS ingress rules for security groups.
type IngressRules []IngressRule

// Difference returns the difference between this slice and the other slice.
func (i IngressRules) Difference(o IngressRules) (out IngressRules) {
    for index := range i {
        x := i[index]
        found := false
        for oIndex := range o {
            y := o[oIndex]
            if x.Equals(&y) {
                found = true
                break
            }
        }

        if !found {
            out = append(out, x)
        }
    }

    return
}

// Equals returns true if two IngressRule are equal.
func (i *IngressRule) Equals(o *IngressRule) bool {
    if len(i.CidrBlocks) != len(o.CidrBlocks) {
        return false
    }

    sort.Strings(i.CidrBlocks)
    sort.Strings(o.CidrBlocks)

    for i, v := range i.CidrBlocks {
        if v != o.CidrBlocks[i] {
            return false
        }
    }

    if len(i.SourceSecurityGroupIDs) != len(o.SourceSecurityGroupIDs) {
        return false
    }

    sort.Strings(i.SourceSecurityGroupIDs)
    sort.Strings(o.SourceSecurityGroupIDs)

    for i, v := range i.SourceSecurityGroupIDs {
        if v != o.SourceSecurityGroupIDs[i] {
            return false
        }
    }

    if i.Description != o.Description || i.Protocol != o.Protocol {
        return false
    }

    // AWS seems to ignore the From/To port when set on protocols where it doesn't apply, but
    // we avoid serializing it out for clarity's sake.
    // See: https://docs.aws.amazon.com/AWSEC2/latest/APIReference/API_IpPermission.html
    switch i.Protocol {
    case SecurityGroupProtocolTCP,
        SecurityGroupProtocolUDP,
        SecurityGroupProtocolICMP,
        SecurityGroupProtocolICMPv6:
        return i.FromPort == o.FromPort && i.ToPort == o.ToPort
    case SecurityGroupProtocolAll, SecurityGroupProtocolIPinIP:
        // FromPort / ToPort are not applicable
    }

    return true
}
 ============================================================================ */