// Lightweight runtime surface for plugin-owned agent harnesses.
// Keep heavyweight tool construction out of this module so harness imports can
// register quickly inside gateway startup and Docker e2e runs.

import type { EmbeddedRunAttemptResult } from "../agents/pi-embedded-runner/run/types.js";
import { formatToolDetail, resolveToolDisplay } from "../agents/tool-display.js";
import { redactToolDetail } from "../logging/redact.js";
import { truncateUtf16Safe } from "../utils.js";

export const TOOL_PROGRESS_OUTPUT_MAX_CHARS = 8_000;

export type { AgentMessage } from "@mariozechner/pi-agent-core";
export type {
  AgentHarness,
  AgentHarnessAttemptParams,
  AgentHarnessAttemptResult,
  AgentHarnessCompactParams,
  AgentHarnessCompactResult,
  AgentHarnessDeliveryDefaults,
  AgentHarnessResultClassification,
  AgentHarnessResetParams,
  AgentHarnessSupport,
  AgentHarnessSupportContext,
} from "../agents/harness/types.js";
export type {
  EmbeddedRunAttemptParams,
  EmbeddedRunAttemptResult,
} from "../agents/pi-embedded-runner/run/types.js";
export type { ContextEngine as HarnessContextEngine } from "../context-engine/types.js";
export type { CompactEmbeddedPiSessionParams } from "../agents/pi-embedded-runner/compact.js";
export type { EmbeddedPiCompactResult } from "../agents/pi-embedded-runner/types.js";
export type { AnyAgentTool } from "../agents/tools/common.js";
export type { MessagingToolSend } from "../agents/pi-embedded-messaging.types.js";
export type { HeartbeatToolResponse } from "../auto-reply/heartbeat-tool-response.js";
export type { AgentApprovalEventData, AgentEventPayload } from "../infra/agent-events.js";
export type { ExecApprovalDecision } from "../infra/exec-approvals.js";
export type { NormalizedUsage } from "../agents/usage.js";
export type {
  AgentToolResultMiddleware,
  AgentToolResultMiddlewareContext,
  AgentToolResultMiddlewareEvent,
  AgentToolResultMiddlewareHarness,
  AgentToolResultMiddlewareOptions,
  AgentToolResultMiddlewareResult,
  AgentToolResultMiddlewareRuntime,
  OpenClawAgentToolResult,
} from "../plugins/agent-tool-result-middleware-types.js";
export type {
  CodexAppServerExtensionContext,
  CodexAppServerExtensionFactory,
  CodexAppServerExtensionRuntime,
  CodexAppServerToolResultEvent,
  CodexAppServerToolResultHandlerResult,
} from "../plugins/codex-app-server-extension-types.js";
export type {
  NativeHookRelayEvent,
  NativeHookRelayProvider,
  NativeHookRelayRegistrationHandle,
} from "../agents/harness/native-hook-relay.js";

export { VERSION as OPENCLAW_VERSION } from "../version.js";
export { formatErrorMessage } from "../infra/errors.js";
export { formatApprovalDisplayPath } from "../infra/approval-display-paths.js";
export { emitAgentEvent, onAgentEvent, resetAgentEventsForTest } from "../infra/agent-events.js";
export { runAgentCleanupStep } from "../agents/run-cleanup-timeout.js";
export { log as embeddedAgentLog } from "../agents/pi-embedded-runner/logger.js";
export { buildAgentRuntimePlan } from "../agents/runtime-plan/build.js";
export { classifyEmbeddedPiRunResultForModelFallback } from "../agents/pi-embedded-runner/result-fallback-classifier.js";
export { resolveEmbeddedAgentRuntime } from "../agents/pi-embedded-runner/runtime.js";
export { resolveUserPath } from "../utils.js";
export { callGatewayTool } from "../agents/tools/gateway.js";
export type { NodeListNode } from "../agents/tools/nodes-utils.js";
export {
  listNodes,
  resolveNodeIdFromList,
  selectDefaultNodeFromList,
} from "../agents/tools/nodes-utils.js";
export { formatToolAggregate } from "../auto-reply/tool-meta.js";
export {
  HEARTBEAT_RESPONSE_TOOL_NAME,
  normalizeHeartbeatToolResponse,
} from "../auto-reply/heartbeat-tool-response.js";
export { isMessagingTool, isMessagingToolSendAction } from "../agents/pi-embedded-messaging.js";
export {
  extractToolResultMediaArtifact,
  filterToolResultMediaUrls,
} from "../agents/pi-embedded-subscribe.tools.js";
export { normalizeUsage } from "../agents/usage.js";
export { resolveOpenClawAgentDir } from "./agent-dir-compat.js";
export {
  resolveAgentDir,
  resolveDefaultAgentDir,
  resolveSessionAgentIds,
} from "../agents/agent-scope.js";
export { resolveModelAuthMode } from "../agents/model-auth.js";
export { supportsModelTools } from "../agents/model-tool-support.js";
export { resolveAttemptSpawnWorkspaceDir } from "../agents/pi-embedded-runner/run/attempt.thread-helpers.js";
export { buildEmbeddedAttemptToolRunContext } from "../agents/pi-embedded-runner/run/attempt.tool-run-context.js";
export {
  abortEmbeddedPiRun as abortAgentHarnessRun,
  clearActiveEmbeddedRun,
  queueEmbeddedPiMessage as queueAgentHarnessMessage,
  setActiveEmbeddedRun,
} from "../agents/pi-embedded-runner/runs.js";
export { disposeRegisteredAgentHarnesses } from "../agents/harness/registry.js";
export {
  logAgentRuntimeToolDiagnostics,
  normalizeAgentRuntimeTools,
} from "../agents/runtime-plan/tools.js";
export { normalizeProviderToolSchemas } from "../agents/pi-embedded-runner/tool-schema-runtime.js";
export { resolveSandboxContext } from "../agents/sandbox.js";
export { resolveBootstrapContextForRun } from "../agents/bootstrap-files.js";
export type { EmbeddedContextFile } from "../agents/pi-embedded-helpers/types.js";
export { isSubagentSessionKey } from "../routing/session-key.js";
export {
  acquireSessionWriteLock,
  resolveSessionWriteLockAcquireTimeoutMs,
  type SessionWriteLockAcquireTimeoutConfig,
} from "../agents/session-write-lock.js";
export { appendSessionTranscriptMessage } from "../config/sessions/transcript-append.js";
export { emitSessionTranscriptUpdate } from "../sessions/transcript-events.js";
export {
  isToolWrappedWithBeforeToolCallHook,
  wrapToolWithBeforeToolCallHook,
} from "../agents/pi-tools.before-tool-call.js";
export {
  resolveAgentHarnessBeforePromptBuildResult,
  runAgentHarnessAfterCompactionHook,
  runAgentHarnessBeforeCompactionHook,
} from "../agents/harness/prompt-compaction-hook-helpers.js";
export { createCodexAppServerToolResultExtensionRunner } from "../agents/harness/codex-app-server-extensions.js";
export { createAgentToolResultMiddlewareRunner } from "../agents/harness/tool-result-middleware.js";
export {
  assembleHarnessContextEngine,
  bootstrapHarnessContextEngine,
  buildHarnessContextEngineRuntimeContext,
  buildHarnessContextEngineRuntimeContextFromUsage,
  finalizeHarnessContextEngineTurn,
  isActiveHarnessContextEngine,
  runHarnessContextEngineMaintenance,
} from "../agents/harness/context-engine-lifecycle.js";
export {
  runAgentHarnessAfterToolCallHook,
  runAgentHarnessBeforeMessageWriteHook,
} from "../agents/harness/hook-helpers.js";
export {
  runAgentHarnessBeforeAgentFinalizeHook,
  runAgentHarnessAgentEndHook,
  runAgentHarnessLlmInputHook,
  runAgentHarnessLlmOutputHook,
} from "../agents/harness/lifecycle-hook-helpers.js";
export {
  buildNativeHookRelayCommand,
  __testing as nativeHookRelayTesting,
  registerNativeHookRelay,
} from "../agents/harness/native-hook-relay.js";

/**
 * Derive the same compact user-facing tool detail that Pi uses for progress logs.
 */
export type ToolProgressDetailMode = "explain" | "raw";

export function inferToolMetaFromArgs(
  toolName: string,
  args: unknown,
  options?: { detailMode?: ToolProgressDetailMode },
): string | undefined {
  const display = resolveToolDisplay({ name: toolName, args, detailMode: options?.detailMode });
  return formatToolDetail(display);
}

/**
 * Prepare verbose tool output for user-facing progress messages.
 */
export function formatToolProgressOutput(
  output: string,
  options?: { maxChars?: number },
): string | undefined {
  const trimmed = output.replace(/\r\n/g, "\n").replace(/\r/g, "\n").trim();
  if (!trimmed) {
    return undefined;
  }
  const redacted = redactToolDetail(trimmed);
  const maxChars = options?.maxChars ?? TOOL_PROGRESS_OUTPUT_MAX_CHARS;
  if (redacted.length <= maxChars) {
    return redacted;
  }
  return `${truncateUtf16Safe(redacted, maxChars)}\n...(truncated)...`;
}

export type AgentHarnessTerminalOutcomeInput = {
  assistantTexts: readonly string[];
  reasoningText?: string | null;
  planText?: string | null;
  promptError?: unknown;
  turnCompleted: boolean;
};

export type AgentHarnessTerminalOutcomeClassification = NonNullable<
  EmbeddedRunAttemptResult["agentHarnessResultClassification"]
>;

/**
 * Classify terminal harness turns that completed without assistant output that
 * should advance fallback. Deliberate silent replies such as NO_REPLY count as
 * intentional output, while whitespace-only text remains fallback-eligible.
 * This is intentionally SDK-level so plugin harness adapters such as Codex
 * preserve the same OpenClaw-owned fallback signals as the built-in PI path
 * without re-implementing terminal-result policy.
 */
export function classifyAgentHarnessTerminalOutcome(
  params: AgentHarnessTerminalOutcomeInput,
): AgentHarnessTerminalOutcomeClassification | undefined {
  if (
    !params.turnCompleted ||
    (params.promptError !== undefined && params.promptError !== null) ||
    hasVisibleAssistantText(params.assistantTexts)
  ) {
    return undefined;
  }
  if (params.planText?.trim()) {
    return "planning-only";
  }
  if (params.reasoningText?.trim()) {
    return "reasoning-only";
  }
  return "empty";
}

function hasVisibleAssistantText(assistantTexts: readonly string[]): boolean {
  return assistantTexts.some((text) => text.trim().length > 0);
}