syntax = "proto3";

package forest.v1;

message AnnotateReleaseRequest {
  string artifact_id = 1;
  map<string, string> metadata = 2;
  Source source = 3;
  ArtifactContext context = 4;
  Project project = 5;
  Ref ref = 6;
}
message AnnotateReleaseResponse {
  Artifact artifact = 1;
}

message GetArtifactBySlugRequest {
  string slug = 1;
}
message GetArtifactBySlugResponse {
  Artifact artifact = 1;
}
message GetArtifactsByProjectRequest {
  Project project = 1;
}
message GetArtifactsByProjectResponse {
  repeated Artifact artifact = 1;
}

message ReleaseRequest {
  string artifact_id = 1;
  repeated string destinations = 2;
  repeated string environments = 3;
  bool force = 4;
  // When true, use the project's release pipeline (DAG) instead of
  // deploying directly to the specified destinations/environments.
  bool use_pipeline = 5;
  // When true, create a plan-only pipeline (single Plan stage, no deploy).
  bool prepare_only = 6;
}
message ReleaseResponse {
  // List of release intents created (one per destination)
  repeated ReleaseIntent intents = 1;
}

message ReleaseIntent {
  string release_intent_id = 1;
  string destination = 2;
  string environment = 3;
}

message WaitReleaseRequest {
  string release_intent_id = 1;
}

message WaitReleaseEvent {
  oneof event {
    ReleaseStatusUpdate status_update = 1;
    ReleaseLogLine log_line = 2;
    PipelineStageUpdate stage_update = 3;
  }
}

// Streamed in WaitRelease for pipeline releases: reports stage status changes.
message PipelineStageUpdate {
  string stage_id = 1;
  string stage_type = 2;       // "deploy", "wait"
  string status = 3;           // PENDING, ACTIVE, SUCCEEDED, FAILED, CANCELLED
  optional string queued_at = 4;
  optional string started_at = 5;
  optional string completed_at = 6;
  optional string wait_until = 7;
  optional string error_message = 8;
  optional string approval_status = 9;
}

message ReleaseStatusUpdate {
  string destination = 1;
  string status = 2;
}

message ReleaseLogLine {
  string destination = 1;
  string line = 2;
  string timestamp = 3;
  LogChannel channel = 4;
}

enum LogChannel {
  LOG_CHANNEL_UNSPECIFIED = 0;
  LOG_CHANNEL_STDOUT = 1;
  LOG_CHANNEL_STDERR = 2;
}

message GetOrganisationsRequest {}
message GetOrganisationsResponse {
  repeated OrganisationRef organisations = 1;
}

message GetProjectsRequest {
  oneof query {
    OrganisationRef organisation = 1;
  }
}
message GetProjectsResponse {
  repeated string projects = 1;
}

message CreateProjectRequest {
  string organisation = 1;
  string project = 2;
}
message CreateProjectResponse {
  Project project = 1;
}


message GetReleasesByActorRequest {
  string actor_id = 1;        // user_id or app_id
  string actor_type = 2;      // "user" or "app"
  int32 page_size = 3;
  string page_token = 4;
}

message GetReleasesByActorResponse {
  repeated ReleaseIntentSummary releases = 1;
  string next_page_token = 2;
}

message ReleaseIntentSummary {
  string release_intent_id = 1;
  string artifact_id = 2;
  Project project = 3;
  repeated ReleaseDestinationStatus destinations = 4;
  string created_at = 5;
}

message ReleaseDestinationStatus {
  string destination = 1;
  string environment = 2;
  string status = 3;
}

message GetDestinationStatesRequest {
  string organisation = 1;
  optional string project = 2;
}

message GetDestinationStatesResponse {
  repeated DestinationState destinations = 1;
  // Active pipeline runs affecting these destinations (if any).
  repeated PipelineRunState pipeline_runs = 2;
}

// ── Release intent states (release-centric view) ─────────────────────

message GetReleaseIntentStatesRequest {
  string organisation = 1;
  optional string project = 2;
  // When true, also include recently completed release intents.
  bool include_completed = 3;
}

message GetReleaseIntentStatesResponse {
  repeated ReleaseIntentState release_intents = 1;
}

// Full state of a release intent: pipeline stages + individual release steps.
message ReleaseIntentState {
  string release_intent_id = 1;
  string artifact_id = 2;
  string project = 3;
  string created_at = 4;
  // Pipeline stages (empty for non-pipeline releases).
  repeated PipelineStageState stages = 5;
  // All release_states rows for this intent (deploy steps).
  repeated ReleaseStepState steps = 6;
}

// Status of a single pipeline stage (saga coordinator view).
message PipelineStageState {
  string stage_id = 1;
  repeated string depends_on = 2;
  PipelineRunStageType stage_type = 3;
  PipelineRunStageStatus status = 4;
  // Consistent timestamps for all stage types.
  optional string queued_at = 5;
  optional string started_at = 6;
  optional string completed_at = 7;
  optional string error_message = 8;
  // Type-specific context.
  optional string environment = 9;       // deploy/plan stages
  optional int64 duration_seconds = 10;  // wait stages
  optional string wait_until = 11;       // wait stages
  repeated string release_ids = 12;      // deploy/plan stages: individual release IDs
  optional string approval_status = 13;  // plan stages: AWAITING_APPROVAL, APPROVED, REJECTED
  optional bool auto_approve = 14;       // plan stages
}

// Status of a single release step (release_states row).
message ReleaseStepState {
  string release_id = 1;
  optional string stage_id = 2;
  string destination_name = 3;
  string environment = 4;
  string status = 5;
  optional string queued_at = 6;
  optional string assigned_at = 7;
  optional string started_at = 8;
  optional string completed_at = 9;
  optional string error_message = 10;
}

message DestinationState {
  string destination_id = 1;
  string destination_name = 2;
  string environment = 3;
  optional string release_id = 4;
  optional string artifact_id = 5;
  optional string status = 6;
  optional string error_message = 7;
  optional string queued_at = 8;
  optional string completed_at = 9;
  optional int32 queue_position = 10;
  // Pipeline context: set when this release was created by a pipeline stage.
  optional string release_intent_id = 11;
  optional string stage_id = 12;
  // When a runner was assigned to this release.
  optional string assigned_at = 13;
  // When the runner actually started executing.
  optional string started_at = 14;
}

// ── Pipeline run progress ────────────────────────────────────────────

// Snapshot of an active (or recently completed) pipeline run.
message PipelineRunState {
  string release_intent_id = 1;
  string artifact_id = 2;
  string created_at = 3;
  repeated PipelineRunStage stages = 4;
}

// Status of a single stage within a pipeline run.
message PipelineRunStage {
  string stage_id = 1;
  repeated string depends_on = 2;
  PipelineRunStageType stage_type = 3;
  PipelineRunStageStatus status = 4;
  // Type-specific context
  optional string environment = 5;       // deploy stages
  optional int64 duration_seconds = 6;   // wait stages
  optional string queued_at = 7;         // when dependencies were met
  optional string started_at = 8;
  optional string completed_at = 9;
  optional string error_message = 10;
  optional string wait_until = 11;
  repeated string release_ids = 12;      // deploy stages: individual release IDs
  optional string approval_status = 13;  // plan stages: AWAITING_APPROVAL, APPROVED, REJECTED
  optional bool auto_approve = 14;       // plan stages
}

enum PipelineRunStageType {
  PIPELINE_RUN_STAGE_TYPE_UNSPECIFIED = 0;
  PIPELINE_RUN_STAGE_TYPE_DEPLOY = 1;
  PIPELINE_RUN_STAGE_TYPE_WAIT = 2;
  PIPELINE_RUN_STAGE_TYPE_PLAN = 3;
}

enum PipelineRunStageStatus {
  PIPELINE_RUN_STAGE_STATUS_UNSPECIFIED = 0;
  PIPELINE_RUN_STAGE_STATUS_PENDING = 1;
  PIPELINE_RUN_STAGE_STATUS_ACTIVE = 2;
  PIPELINE_RUN_STAGE_STATUS_SUCCEEDED = 3;
  PIPELINE_RUN_STAGE_STATUS_FAILED = 4;
  PIPELINE_RUN_STAGE_STATUS_CANCELLED = 5;
  PIPELINE_RUN_STAGE_STATUS_AWAITING_APPROVAL = 6;
}

// ── Plan stage approval ──────────────────────────────────────────────

message ApprovePlanStageRequest {
  string release_intent_id = 1;
  string stage_id = 2;
}
message ApprovePlanStageResponse {}

message RejectPlanStageRequest {
  string release_intent_id = 1;
  string stage_id = 2;
  optional string reason = 3;
}
message RejectPlanStageResponse {}

message GetPlanOutputRequest {
  string release_intent_id = 1;
  string stage_id = 2;
}
message GetPlanOutputResponse {
  string plan_output = 1;            // deprecated: use outputs
  string status = 2;                 // RUNNING, AWAITING_APPROVAL, APPROVED, REJECTED
  repeated PlanDestinationOutput outputs = 3;
}

message PlanDestinationOutput {
  string destination_id = 1;
  string destination_name = 2;
  string plan_output = 3;
  string status = 4;                 // SUCCEEDED, FAILED, RUNNING, etc.
}

service ReleaseService {
  rpc AnnotateRelease(AnnotateReleaseRequest) returns (AnnotateReleaseResponse);
  rpc Release(ReleaseRequest) returns (ReleaseResponse);
  rpc WaitRelease(WaitReleaseRequest) returns (stream WaitReleaseEvent);

  rpc GetArtifactBySlug(GetArtifactBySlugRequest) returns (GetArtifactBySlugResponse);
  rpc GetArtifactsByProject(GetArtifactsByProjectRequest) returns (GetArtifactsByProjectResponse);
  rpc GetReleasesByActor(GetReleasesByActorRequest) returns (GetReleasesByActorResponse);
  rpc GetOrganisations(GetOrganisationsRequest) returns (GetOrganisationsResponse);
  rpc GetProjects(GetProjectsRequest) returns (GetProjectsResponse);
  rpc CreateProject(CreateProjectRequest) returns (CreateProjectResponse);
  rpc GetDestinationStates(GetDestinationStatesRequest) returns (GetDestinationStatesResponse);
  rpc GetReleaseIntentStates(GetReleaseIntentStatesRequest) returns (GetReleaseIntentStatesResponse);

  rpc ApprovePlanStage(ApprovePlanStageRequest) returns (ApprovePlanStageResponse);
  rpc RejectPlanStage(RejectPlanStageRequest) returns (RejectPlanStageResponse);
  rpc GetPlanOutput(GetPlanOutputRequest) returns (GetPlanOutputResponse);
}

message Source {
  optional string user = 1;
  optional string email = 2;
  optional string source_type = 3;
  optional string run_url = 4;
  // The actor ID (user, app, or service account UUID) that created this annotation.
  optional string user_id = 5;
}

message ArtifactContext {
  string title = 1;
  optional string description = 2;
  optional string web = 3;
  optional string pr = 4;
}

message Artifact {
  string id = 1;
  string artifact_id = 2;
  string slug = 3;
  map<string, string> metadata = 4;
  Source source = 5;
  ArtifactContext context = 6;
  Project project = 7;
  repeated ArtifactDestination destinations = 8;
  string created_at = 9;
  Ref ref = 10;
}

message ArtifactDestination {
  string name = 1;
  string environment = 2;
  string type_organisation = 3;
  string type_name = 4;
  uint64 type_version = 5;
  string status = 6;
}

message Project {
  string organisation = 1;
  string project = 2;
}

message Ref {
  string commit_sha = 1;
  optional string branch = 2;
  optional string commit_message = 3;
  optional string version = 4;
  optional string repo_url = 5;
}

message OrganisationRef {
  string organisation = 1;
}