syntax = "proto3";
package schematic.v1;

import "google/protobuf/timestamp.proto";

// InfrastructureOffering describes a deployable platform configuration
// available in the Guildhouse catalog. Entities subscribe to offerings
// via accords to provision sites.
message InfrastructureOffering {
    string name = 1;
    string version = 2;
    string description = 3;

    OSSpec os = 4;
    KubernetesSpec kubernetes = 5;
    HardwareRequirements hardware = 6;
    GovernanceSpec governance = 7;
    NetworkSpec network = 8;
    CostModel cost = 9;

    string tree_hash = 10;
    string status = 11; // draft, published, deprecated
    google.protobuf.Timestamp created_at = 12;
    google.protobuf.Timestamp published_at = 13;
}

message OSSpec {
    // "substrate-nos", "rhel", "ubuntu", "fedora", "debian"
    string distribution = 1;
    string version = 2;
    // "x86_64", "aarch64"
    string arch = 3;
    // "yocto", "kickstart", "cloud-init", "pxe"
    string install_method = 4;
    string image_url = 5;
}

message KubernetesSpec {
    // "k3s", "kubeadm", "none"
    string distribution = 1;
    string version = 2;
    // "cilium", "kedge", "calico"
    string cni = 3;
    // "k3s", "kubeadm", "none"
    string bootstrap_provider = 4;
}

message HardwareRequirements {
    int32 min_cpu_cores = 1;
    int64 min_memory_mb = 2;
    int64 min_disk_gb = 3;
    // "ipmi", "redfish", "idrac", "ilo"
    string bmc_type = 4;
    int32 min_nics = 5;
    bool tpm_required = 6;
}

message GovernanceSpec {
    // "basic", "standard", "strict"
    string conformance_level = 1;
    repeated CeremonyRequirement ceremonies = 2;
}

message CeremonyRequirement {
    string operation = 1; // "provision", "upgrade", "decommission"
    string tier = 2;      // "single", "dual", "multi-party"
}

message NetworkSpec {
    // "overlay", "underlay", "dual"
    string mode = 1;
    bool wireguard_tunnel = 2;
    bool vpp_dataplane = 3;
    // VXLAN VNI range (if overlay)
    int32 vni_start = 4;
    int32 vni_end = 5;
}

message CostModel {
    // Monthly cost estimate in cents (USD)
    int64 monthly_cost_cents = 1;
    string billing_entity = 2;
}

// Service for managing InfrastructureOfferings in the catalog.
service InfrastructureOfferingService {
    rpc CreateOffering(CreateOfferingRequest) returns (CreateOfferingResponse);
    rpc GetOffering(GetOfferingRequest) returns (GetOfferingResponse);
    rpc ListOfferings(ListOfferingsRequest) returns (ListOfferingsResponse);
    rpc PublishOffering(PublishOfferingRequest) returns (PublishOfferingResponse);
    rpc SubscribeToOffering(SubscribeRequest) returns (SubscribeResponse);
}

message CreateOfferingRequest {
    InfrastructureOffering offering = 1;
}

message CreateOfferingResponse {
    string name = 1;
    string version = 2;
    string tree_hash = 3;
}

message GetOfferingRequest {
    string name = 1;
    string version = 2;
}

message GetOfferingResponse {
    InfrastructureOffering offering = 1;
}

message ListOfferingsRequest {
    string status_filter = 1; // "" for all, "published", "draft"
    string os_filter = 2;     // filter by OS distribution
}

message ListOfferingsResponse {
    repeated InfrastructureOffering offerings = 1;
}

message PublishOfferingRequest {
    string name = 1;
    string version = 2;
}

message PublishOfferingResponse {
    string tree_hash = 1;
    string status = 2;
}

message SubscribeRequest {
    string offering_name = 1;
    string offering_version = 2;
    string entity_id = 3;
    string accord_id = 4;
}

message SubscribeResponse {
    string subscription_id = 1;
    string status = 2;
}