export type ExecutorType = "python" | "docker" | "http";
export type TaskStatus = "pending" | "queued" | "running" | "success" | "failed" | "cancelled";
export type TaskStatusCounts = {
  pending: number;
  queued: number;
  running: number;
  success: number;
  failed: number;
  cancelled: number;
};

export type TaskExecutionSummary = {
  outcome: "success" | "failed";
  executorType: ExecutorType;
  assetCount: number;
  artifactIds: string[];
  stdoutLineCount: number;
  stderrLineCount: number;
  errorMessage?: string;
};

export type RunExecutionSummary = {
  totalTaskCount: number;
  completedTaskCount: number;
  artifactCount: number;
  stdoutLineCount: number;
  stderrLineCount: number;
  failedTaskIds: string[];
  taskCounts: TaskStatusCounts;
};

export type ExecutorExecutionResult = {
  result: unknown;
  stdoutLines?: string[];
  stderrLines?: string[];
};

export type TaskRecord = {
  id: string;
  workflowRunId?: string;
  workflowVersionId?: string;
  nodeId: string;
  nodeType?: string;
  executorType: ExecutorType;
  status: TaskStatus;
  attempt?: number;
  assetIds?: string[];
  upstreamNodeIds?: string[];
  outputArtifactIds?: string[];
  errorMessage?: string;
  startedAt?: string;
  finishedAt?: string;
  durationMs?: number;
  logLines?: string[];
  stdoutLines?: string[];
  stderrLines?: string[];
  summary?: TaskExecutionSummary;
  lastResultPreview?: Record<string, unknown>;
};

export type ExecutionContext = {
  taskId: string;
  workflowRunId?: string;
  workflowVersionId?: string;
  nodeId: string;
  assetIds?: string[];
};