// Covers ACP diagnostic event propagation and sanitized error formatting.
import { afterEach, beforeEach, describe, expect, it } from "vitest";
import { ACP_TURN_TIMEOUT_DETAIL_CODE } from "../../acp/control-plane/manager.turn-timeout.js";
import { AcpRuntimeError, formatAcpErrorChain } from "../../acp/runtime/errors.js";
import {
  type AgentEventPayload,
  onAgentAuditEvent,
  onAgentEvent,
  resetAgentEventsForTest,
} from "../../infra/agent-events.js";
import {
  onTrustedToolExecutionEvent,
  resetDiagnosticEventsForTest,
  type TrustedToolExecutionEvent,
} from "../../infra/diagnostic-events.js";
import {
  buildAcpResult,
  createAcpToolLifecycleTracker,
  emitAcpLifecycleStart,
  emitAcpLifecycleEnd as emitAcpLifecycleEndBase,
  emitAcpLifecycleError as emitAcpLifecycleErrorBase,
  emitAcpPromptSubmitted,
  emitAcpRuntimeEvent as emitAcpRuntimeEventBase,
  resolveAcpLifecycleEndFields,
} from "./attempt-execution.js";

let captured: AgentEventPayload[] = [];
let capturedTools: TrustedToolExecutionEvent[] = [];
let unsubscribe: (() => void) | undefined;
let unsubscribeTools: (() => void) | undefined;
let toolTracker = createAcpToolLifecycleTracker();

function emitAcpRuntimeEvent(
  params: Omit<Parameters<typeof emitAcpRuntimeEventBase>[0], "toolTracker">,
) {
  return emitAcpRuntimeEventBase({ ...params, toolTracker });
}

function emitAcpLifecycleEnd(
  params: Omit<Parameters<typeof emitAcpLifecycleEndBase>[0], "toolTracker" | "endFields"> & {
    abortSignal?: AbortSignal;
    stopReason?: string;
    resultStatus?: "completed" | "cancelled";
  },
) {
  return emitAcpLifecycleEndBase({
    ...params,
    toolTracker,
    endFields: resolveAcpLifecycleEndFields(
      params.abortSignal,
      params.stopReason,
      params.resultStatus,
    ),
  });
}

function emitAcpLifecycleError(
  params: Omit<Parameters<typeof emitAcpLifecycleErrorBase>[0], "toolTracker">,
) {
  return emitAcpLifecycleErrorBase({ ...params, toolTracker });
}

beforeEach(() => {
  resetAgentEventsForTest();
  resetDiagnosticEventsForTest();
  toolTracker = createAcpToolLifecycleTracker();
  captured = [];
  capturedTools = [];
  // Subscribe to the process-level event bus so tests observe exactly what
  // parent relay diagnostics would receive.
  unsubscribe = onAgentEvent((evt) => {
    captured.push(evt);
  });
  unsubscribeTools = onTrustedToolExecutionEvent((event) => {
    capturedTools.push(event);
  });
});

describe("ACP diagnostic events", () => {
  it("preserves cancelled result metadata without a stop reason", () => {
    const result = buildAcpResult({
      payloadText: "",
      startedAt: Date.now(),
      resultStatus: "cancelled",
    });

    expect(result.meta).toMatchObject({ aborted: true, stopReason: "stop" });
  });

  it("emits prompt-submitted state with proxy env names but not values", () => {
    const previous = process.env.HTTPS_PROXY;
    process.env.HTTPS_PROXY = "http://proxy.example.invalid:8080";
    try {
      emitAcpPromptSubmitted({
        runId: "run-prompt",
        sessionKey: "agent:codex:acp:child",
        at: 123,
      });
    } finally {
      if (previous === undefined) {
        delete process.env.HTTPS_PROXY;
      } else {
        process.env.HTTPS_PROXY = previous;
      }
    }

    const event = captured[0];
    expect(event?.stream).toBe("acp");
    expect(event?.sessionKey).toBe("agent:codex:acp:child");
    expect(event?.data).toMatchObject({
      phase: "prompt_submitted",
      at: 123,
      proxyEnvKeys: expect.arrayContaining(["HTTPS_PROXY"]),
    });
    expect(JSON.stringify(event?.data)).not.toContain("proxy.example.invalid");
  });

  it("emits sanitized non-text runtime events for parent relay diagnostics", () => {
    emitAcpRuntimeEvent({
      runId: "run-status",
      event: {
        type: "status",
        text: "connecting token=sk-abcdefghijklmnopqrstuvwxyz123456",
        tag: "session_info_update",
      },
    });

    const event = captured[0];
    expect(event?.stream).toBe("acp");
    expect(event?.data).toMatchObject({
      phase: "runtime_event",
      eventType: "status",
      tag: "session_info_update",
    });
    expect(String(event?.data.text)).toContain("connecting");
    expect(String(event?.data.text)).not.toContain("sk-abcdefghijklmnopqrstuvwxyz123456");
  });

  it("keeps bounded ACP diagnostics UTF-16 well-formed", () => {
    emitAcpRuntimeEvent({
      runId: "run-utf16-status",
      event: {
        type: "status",
        text: `${"x".repeat(239)}🚀tail`,
      },
    });

    expect(captured[0]?.data.text).toBe("x".repeat(239));
  });

  it("keeps audit-only ACP lifecycle and runtime events off the shared bus", () => {
    const secret = "private ACP cause chain";
    const auditEvents: AgentEventPayload[] = [];
    const stopAudit = onAgentAuditEvent((event) => auditEvents.push(event));
    try {
      emitAcpLifecycleStart({
        runId: "run-audit-only",
        sessionKey: "agent:main:acp:child",
        startedAt: 123,
        auditOnly: true,
      });
      emitAcpRuntimeEvent({
        runId: "run-audit-only",
        sessionKey: "agent:main:acp:child",
        auditOnly: true,
        event: {
          type: "tool_call",
          tag: "tool_call",
          text: "private command payload",
          kind: "execute",
          toolCallId: "private-call",
          status: "completed",
        },
      });
      emitAcpLifecycleError({
        runId: "run-audit-only",
        error: new Error(secret),
        auditOnly: true,
      });
    } finally {
      stopAudit();
    }

    expect(captured).toEqual([]);
    expect(auditEvents.map((event) => [event.stream, event.data.phase])).toEqual([
      ["lifecycle", "start"],
      ["lifecycle", "error"],
    ]);
    expect(capturedTools.map((event) => event.type)).toEqual([
      "tool.execution.started",
      "tool.execution.completed",
    ]);
    expect(JSON.stringify(auditEvents)).not.toContain("private command payload");
    expect(JSON.stringify(auditEvents)).not.toContain(secret);
  });

  it("emits metadata-only tool lifecycle events without ACP text or title", () => {
    const secret = "secret tool payload";
    emitAcpRuntimeEvent({
      runId: "run-tool",
      sessionKey: "agent:main:acp:child",
      agentId: "main",
      event: {
        type: "tool_call",
        tag: "tool_call",
        text: secret,
        title: secret,
        kind: "read",
        toolCallId: "call-1",
        status: "in_progress",
      },
    });
    emitAcpRuntimeEvent({
      runId: "run-tool",
      sessionKey: "agent:main:acp:child",
      agentId: "main",
      event: {
        type: "tool_call",
        tag: "tool_call_update",
        text: secret,
        title: secret,
        kind: "read",
        toolCallId: "call-1",
        status: "completed",
      },
    });

    expect(capturedTools).toMatchObject([
      {
        type: "tool.execution.started",
        runId: "run-tool",
        sessionKey: "agent:main:acp:child",
        agentId: "main",
        toolCallId: "call-1",
        toolName: "acp_read",
      },
      {
        type: "tool.execution.completed",
        runId: "run-tool",
        sessionKey: "agent:main:acp:child",
        agentId: "main",
        toolCallId: "call-1",
        toolName: "acp_read",
      },
    ]);
    expect(JSON.stringify(capturedTools)).not.toContain(secret);
  });

  it.each([
    { status: "completed", type: "tool.execution.completed", terminalReason: undefined },
    { status: "done", type: "tool.execution.completed", terminalReason: undefined },
    { status: "failed", type: "tool.execution.error", terminalReason: "failed" },
    { status: "error", type: "tool.execution.error", terminalReason: "failed" },
    { status: "cancelled", type: "tool.execution.error", terminalReason: "cancelled" },
  ] as const)("finishes audit tracking for terminal tool status $status", (expected) => {
    const runId = `run-tool-${expected.status}`;
    const toolCallId = `call-${expected.status}`;
    emitAcpRuntimeEvent({
      runId,
      event: {
        type: "tool_call",
        tag: "tool_call",
        text: "running",
        kind: "execute",
        toolCallId,
        status: "in_progress",
      },
    });
    emitAcpRuntimeEvent({
      runId,
      event: {
        type: "tool_call",
        tag: "tool_call_update",
        text: expected.status,
        kind: "execute",
        toolCallId,
        status: expected.status,
      },
    });
    emitAcpLifecycleEnd({ runId, resultStatus: "completed" });

    expect(capturedTools).toHaveLength(2);
    expect(capturedTools[1]).toMatchObject({
      type: expected.type,
      toolCallId,
      ...(expected.terminalReason ? { terminalReason: expected.terminalReason } : {}),
      ...(expected.status === "cancelled" ? { errorCategory: "aborted" } : {}),
    });
  });

  it("deduplicates repeated terminal tool updates until the ACP run ends", () => {
    const params = { runId: "run-tool-replayed-terminal" };
    const toolCall = {
      type: "tool_call",
      text: "command result",
      kind: "execute",
      toolCallId: "call-replayed-terminal",
    } as const;
    emitAcpRuntimeEvent({
      ...params,
      event: { ...toolCall, tag: "tool_call", status: "in_progress" },
    });
    emitAcpRuntimeEvent({
      ...params,
      event: { ...toolCall, tag: "tool_call_update", status: "completed" },
    });
    emitAcpRuntimeEvent({
      ...params,
      event: { ...toolCall, tag: "tool_call_update", status: "completed" },
    });
    emitAcpRuntimeEvent({
      ...params,
      event: { ...toolCall, tag: "tool_call_update", status: "in_progress" },
    });

    expect(capturedTools.map((event) => event.type)).toEqual([
      "tool.execution.started",
      "tool.execution.completed",
    ]);

    emitAcpLifecycleEnd({ ...params, resultStatus: "completed" });
    emitAcpRuntimeEvent({
      ...params,
      event: { ...toolCall, tag: "tool_call_update", status: "completed" },
    });
    expect(capturedTools.slice(2).map((event) => event.type)).toEqual([
      "tool.execution.started",
      "tool.execution.completed",
    ]);
    emitAcpLifecycleEnd({ ...params, resultStatus: "completed" });
  });

  it("fails closed without evicting terminal identities at the tracking bound", () => {
    const params = { runId: "run-tool-tracking-bound" };
    const terminalEvent = (toolCallId: string) =>
      ({
        type: "tool_call",
        tag: "tool_call_update",
        text: "done",
        kind: "execute",
        toolCallId,
        status: "completed",
      }) as const;
    for (let index = 0; index < 4_096; index += 1) {
      emitAcpRuntimeEvent({ ...params, event: terminalEvent(`call-${index}`) });
    }
    expect(capturedTools).toHaveLength(8_192);

    emitAcpRuntimeEvent({ ...params, event: terminalEvent("call-0") });
    emitAcpRuntimeEvent({ ...params, event: terminalEvent("call-overflow") });
    expect(capturedTools).toHaveLength(8_192);

    const unrelatedTracker = createAcpToolLifecycleTracker();
    emitAcpRuntimeEventBase({
      runId: "run-tool-unrelated",
      toolTracker: unrelatedTracker,
      event: terminalEvent("call-unrelated"),
    });
    expect(capturedTools.slice(8_192).map((event) => event.type)).toEqual([
      "tool.execution.started",
      "tool.execution.completed",
    ]);
    emitAcpLifecycleEndBase({
      runId: "run-tool-unrelated",
      toolTracker: unrelatedTracker,
      endFields: resolveAcpLifecycleEndFields(undefined, undefined, "completed"),
    });

    emitAcpLifecycleEnd({ ...params, resultStatus: "completed" });
    emitAcpRuntimeEvent({ ...params, event: terminalEvent("call-overflow") });
    expect(capturedTools.slice(8_194).map((event) => event.type)).toEqual([
      "tool.execution.started",
      "tool.execution.completed",
    ]);
    emitAcpLifecycleEnd({ ...params, resultStatus: "completed" });
  });

  it("treats blank tool call ids as unidentified", () => {
    const params = { runId: "run-tool-blank-id" };
    const event = {
      type: "tool_call",
      text: "result",
      kind: "execute",
      toolCallId: "   ",
    } as const;
    emitAcpRuntimeEvent({
      ...params,
      event: { ...event, tag: "tool_call", status: "in_progress" },
    });
    expect(capturedTools).toEqual([]);

    emitAcpRuntimeEvent({
      ...params,
      event: { ...event, tag: "tool_call_update", status: "completed" },
    });
    expect(capturedTools.map(({ type, toolCallId }) => ({ type, toolCallId }))).toEqual([
      { type: "tool.execution.started", toolCallId: undefined },
      { type: "tool.execution.completed", toolCallId: undefined },
    ]);
    emitAcpLifecycleEnd({ ...params, resultStatus: "completed" });
  });

  it("waits for terminal evidence before recording a tool without a call id", () => {
    const params = { runId: "run-tool-without-id" };
    emitAcpRuntimeEvent({
      ...params,
      event: {
        type: "tool_call",
        tag: "tool_call",
        text: "running",
        kind: "execute",
        status: "in_progress",
      },
    });
    expect(capturedTools).toEqual([]);
    emitAcpRuntimeEvent({
      ...params,
      event: {
        type: "tool_call",
        tag: "tool_call_update",
        text: "still running",
        kind: "execute",
        status: "in_progress",
      },
    });
    expect(capturedTools).toEqual([]);
    emitAcpRuntimeEvent({
      ...params,
      event: {
        type: "tool_call",
        tag: "tool_call_update",
        text: "done",
        kind: "execute",
        status: "completed",
      },
    });

    expect(capturedTools.map((event) => event.type)).toEqual([
      "tool.execution.started",
      "tool.execution.completed",
    ]);
  });

  it("finishes outstanding tools when the ACP runtime ends", () => {
    const params = {
      runId: "run-incomplete-tool",
      sessionKey: "agent:main:acp:child",
    };
    emitAcpRuntimeEvent({
      ...params,
      event: {
        type: "tool_call",
        tag: "tool_call",
        text: "running",
        kind: "execute",
        toolCallId: "call-incomplete",
        status: "in_progress",
      },
    });
    emitAcpRuntimeEvent({
      ...params,
      event: { type: "done", status: "completed", stopReason: "end_turn" },
    });
    emitAcpLifecycleEnd({
      ...params,
      resultStatus: "completed",
      stopReason: "end_turn",
    });

    expect(capturedTools).toMatchObject([
      {
        type: "tool.execution.started",
        toolCallId: "call-incomplete",
      },
      {
        type: "tool.execution.error",
        toolCallId: "call-incomplete",
        errorCategory: "acp_tool_incomplete",
      },
    ]);

    emitAcpRuntimeEvent({
      ...params,
      event: {
        type: "tool_call",
        tag: "tool_call",
        text: "retry",
        kind: "execute",
        toolCallId: "call-incomplete",
        status: "completed",
      },
    });
    expect(capturedTools.slice(2)).toMatchObject([
      { type: "tool.execution.started", toolCallId: "call-incomplete" },
      { type: "tool.execution.completed", toolCallId: "call-incomplete" },
    ]);
  });

  it("cancels outstanding tools when the ACP result reports cancellation", () => {
    const params = {
      runId: "run-cancelled-tool",
      sessionKey: "agent:main:acp:child",
    };
    emitAcpRuntimeEvent({
      ...params,
      event: {
        type: "tool_call",
        tag: "tool_call",
        text: "running",
        kind: "execute",
        toolCallId: "call-cancelled",
        status: "in_progress",
      },
    });
    emitAcpRuntimeEvent({
      ...params,
      event: { type: "done", status: "cancelled" },
    });
    emitAcpLifecycleEnd({
      ...params,
      resultStatus: "cancelled",
    });

    expect(capturedTools).toMatchObject([
      { type: "tool.execution.started", toolCallId: "call-cancelled" },
      {
        type: "tool.execution.error",
        toolCallId: "call-cancelled",
        errorCategory: "aborted",
        terminalReason: "cancelled",
      },
    ]);

    expect(captured.at(-1)?.data).toMatchObject({
      phase: "end",
      executionSettled: true,
      aborted: true,
      stopReason: "stop",
      status: "cancelled",
    });
  });

  it("times out outstanding tools when the enclosing ACP run times out", () => {
    const abortController = new AbortController();
    const params = {
      runId: "run-timeout-tool",
      sessionKey: "agent:main:acp:child",
      abortSignal: abortController.signal,
    };
    emitAcpRuntimeEvent({
      ...params,
      event: {
        type: "tool_call",
        tag: "tool_call",
        text: "running",
        kind: "execute",
        toolCallId: "call-timeout",
        status: "in_progress",
      },
    });
    abortController.abort(Object.assign(new Error("timed out"), { name: "TimeoutError" }));
    emitAcpRuntimeEvent({
      ...params,
      event: { type: "done", status: "cancelled", stopReason: "timeout" },
    });
    emitAcpLifecycleEnd({
      ...params,
      resultStatus: "cancelled",
      stopReason: "timeout",
    });

    expect(capturedTools).toMatchObject([
      { type: "tool.execution.started", toolCallId: "call-timeout" },
      {
        type: "tool.execution.error",
        toolCallId: "call-timeout",
        terminalReason: "timed_out",
      },
    ]);
  });

  it("preserves manager-owned ACP timeout attribution without an aborted caller signal", () => {
    emitAcpRuntimeEvent({
      runId: "run-manager-timeout",
      event: {
        type: "tool_call",
        tag: "tool_call",
        text: "running",
        kind: "execute",
        toolCallId: "call-manager-timeout",
        status: "in_progress",
      },
    });

    emitAcpLifecycleError({
      runId: "run-manager-timeout",
      error: new AcpRuntimeError("ACP_TURN_FAILED", "ACP turn timed out.", {
        detailCode: ACP_TURN_TIMEOUT_DETAIL_CODE,
      }),
    });

    expect(capturedTools.at(-1)).toMatchObject({
      type: "tool.execution.error",
      toolCallId: "call-manager-timeout",
      terminalReason: "timed_out",
    });
    expect(captured.at(-1)?.data).toMatchObject({
      phase: "error",
      aborted: true,
      stopReason: "timeout",
      status: "timed_out",
    });
  });
});

afterEach(() => {
  unsubscribe?.();
  unsubscribe = undefined;
  unsubscribeTools?.();
  unsubscribeTools = undefined;
  resetAgentEventsForTest();
  resetDiagnosticEventsForTest();
});

describe("emitAcpLifecycleError preserves AcpRuntimeError detail (regression: openclaw-4a8)", () => {
  it("renders the AcpRuntimeError code into the error string so existing consumers surface it", () => {
    const acpError = new AcpRuntimeError("ACP_TURN_FAILED", "ACP turn failed before completion.");

    emitAcpLifecycleError({ runId: "run-1", error: acpError });

    expect(captured).toHaveLength(1);
    const data = captured[0]?.data as Record<string, unknown> | undefined;
    expect(data?.phase).toBe("error");
    const text = data?.error as string;
    expect(text).toMatch(/ACP_TURN_FAILED/);
    expect(text).toMatch(/ACP turn failed before completion\./);
  });

  it("flattens the cause chain into the error string so the underlying RequestError is not lost", () => {
    // ACP callers historically surface a single string; flattening preserves
    // the useful nested RequestError without exposing structured internals.
    const rootCause = new Error('RequestError: "Method not found": nes/close (-32601)');
    const wrapped = new Error("Agent does not support session/close (oneshot:abc)", {
      cause: rootCause,
    });
    const acpError = new AcpRuntimeError("ACP_TURN_FAILED", "Internal error", {
      cause: wrapped,
    });

    emitAcpLifecycleError({ runId: "run-2", error: acpError });

    const data = captured[0]?.data as Record<string, unknown> | undefined;
    const text = data?.error as string;

    expect(text).toMatch(/ACP_TURN_FAILED/);
    expect(text).toMatch(/Internal error/);
    expect(text).toMatch(/Agent does not support session\/close/);
    expect(text).toMatch(/Method not found/);
    expect(text).toMatch(/nes\/close/);
    expect(text).toMatch(/-32601/);
  });

  it("falls back gracefully when given a plain Error without code or cause", () => {
    const plain = new Error("something went wrong");

    emitAcpLifecycleError({ runId: "run-3", error: plain });

    const data = captured[0]?.data as Record<string, unknown> | undefined;
    expect(data?.phase).toBe("error");
    expect(data?.error).toBe("Error: something went wrong");
    expect(data?.executionSettled).toBe(true);
  });

  it("formats non-Error values without crashing", () => {
    expect(formatAcpErrorChain("just a string")).toBe("just a string");
    expect(formatAcpErrorChain(42)).toBe("42");
    expect(formatAcpErrorChain(undefined)).toBe("undefined");

    const token = "sk-abcdefghijklmnopqrstuvwxyz123456";
    const text = formatAcpErrorChain(`upstream rejected token=${token}`);
    expect(text).toMatch(/upstream rejected/);
    expect(text).not.toContain(token);
  });

  it("caps cause-chain depth so a self-referential cause cannot loop", () => {
    const e: Error & { cause?: unknown } = new Error("loop");
    e.cause = e;

    const text = formatAcpErrorChain(e);

    // Should produce a finite string with the message, not hang.
    expect(text).toMatch(/loop/);
    expect(text.length).toBeLessThan(2000);
  });
});