import { randomUUID } from "node:crypto";

import { defaultCodeAgentTraceStore } from "./code-agent-trace-store.ts";
import {
  parsePositiveInteger,
  safeConversationId,
  safeOpaqueId,
  safeSessionId,
  safeTraceId,
  truthyFlag
} from "./server-http-utils.ts";

const ADAPTER_ID = "agentrun-v01";
const DEFAULT_AGENTRUN_MGR_URL = "http://agentrun-mgr.agentrun-v01.svc.cluster.local:8080";
const DEFAULT_TENANT_ID = "hwlab";
const DEFAULT_PROJECT_ID = "pikasTech/HWLAB";
const DEFAULT_PROVIDER_ID = "G14";
const DEFAULT_REPO_URL = "http://git-mirror-http.devops-infra.svc.cluster.local/pikasTech/HWLAB.git";
const DEFAULT_RUNNER_NAMESPACE = "agentrun-v01";
const DEFAULT_TIMEOUT_MS = 1_200_000;
const AGENTRUN_BACKENDS = Object.freeze(["codex", "deepseek"]);

export function codeAgentAgentRunAdapterEnabled(env = process.env) {
  const value = String(env.HWLAB_CODE_AGENT_ADAPTER ?? env.HWLAB_CODE_AGENT_PROVIDER ?? "").trim().toLowerCase();
  return value === ADAPTER_ID || value === "agentrun" || value === "agentrun-v0.1";
}

export function initialAgentRunChatResult({ params = {}, options = {}, traceId }) {
  const env = options.env ?? process.env;
  const timestamp = nowIso(options.now);
  const backendProfile = resolveAgentRunBackendProfile(env, params);
  return {
    accepted: true,
    status: "running",
    shortConnection: true,
    traceId,
    conversationId: safeConversationId(params.conversationId) || null,
    sessionId: agentRunSessionId(params, traceId),
    threadId: safeOpaqueId(params.threadId) || null,
    messageId: `msg_${safeTraceId(traceId)?.slice(4) || randomUUID()}`,
    createdAt: timestamp,
    updatedAt: timestamp,
    provider: ADAPTER_ID,
    model: modelForBackendProfile(backendProfile, env),
    backend: `agentrun-v01/${backendProfile}`,
    capabilityLevel: "agentrun-v01-manual-dispatch",
    sessionMode: "agentrun-v01-session-ref",
    implementationType: "hwlab-cloud-api-agentrun-v01-adapter",
    agentRun: {
      adapter: ADAPTER_ID,
      status: "pending-dispatch",
      backendProfile,
      providerId: firstNonEmpty(env.HWLAB_CODE_AGENT_AGENTRUN_PROVIDER_ID, env.AGENTRUN_PROVIDER_ID, DEFAULT_PROVIDER_ID),
      managerUrl: resolveAgentRunManagerUrl(env),
      repoUrl: resolveAgentRunRepoUrl(env),
      valuesPrinted: false
    },
    valuesPrinted: false
  };
}

export async function submitAgentRunChatTurn({ params = {}, options = {}, traceId, traceStore = defaultCodeAgentTraceStore, results }) {
  const env = options.env ?? process.env;
  const managerUrl = resolveAgentRunManagerUrl(env);
  const backendProfile = resolveAgentRunBackendProfile(env, params);
  const fetchImpl = options.fetchImpl ?? globalThis.fetch;
  const timeoutMs = parsePositiveInteger(env.HWLAB_CODE_AGENT_AGENTRUN_HTTP_TIMEOUT_MS, 20_000);
  const startedAt = nowIso(options.now);

  traceStore.ensure(traceId, agentRunTraceMeta(env, params));
  traceStore.append(traceId, {
    type: "request",
    status: "accepted",
    label: "agentrun:request:accepted",
    message: "HWLAB Code Agent request accepted by the AgentRun v0.1 adapter; hwlab-cloud-api will manually create run/command/runner-job over the k3s Service DNS.",
    waitingFor: "agentrun-run-create",
    adapter: ADAPTER_ID,
    managerHost: new URL(managerUrl).hostname,
    valuesPrinted: false
  }, agentRunTraceMeta(env, params));

  const runInput = buildAgentRunCreateRunInput({ params, env, traceId, backendProfile });
  const run = await agentRunJson(fetchImpl, managerUrl, "/api/v1/runs", {
    method: "POST",
    body: runInput,
    timeoutMs
  });
  const runId = requiredString(run?.id, "run.id");
  traceStore.append(traceId, {
    type: "backend",
    status: "running",
    label: "agentrun:run:created",
    message: `AgentRun run ${runId} created through internal k3s Service DNS.`,
    runId,
    backendProfile,
    waitingFor: "agentrun-command-create",
    valuesPrinted: false
  });

  const commandInput = buildAgentRunCommandInput({ params, traceId, backendProfile });
  const command = await agentRunJson(fetchImpl, managerUrl, `/api/v1/runs/${encodeURIComponent(runId)}/commands`, {
    method: "POST",
    body: commandInput,
    timeoutMs
  });
  const commandId = requiredString(command?.id, "command.id");
  traceStore.append(traceId, {
    type: "backend",
    status: "running",
    label: "agentrun:command:created",
    message: `AgentRun command ${commandId} created; hwlab-cloud-api will start a runner Job explicitly without relying on scheduler automation.`,
    runId,
    commandId,
    backendProfile,
    waitingFor: "agentrun-runner-job-create",
    valuesPrinted: false
  });

  const runnerJobInput = buildAgentRunRunnerJobInput({ env, traceId, commandId });
  const runnerJob = await agentRunJson(fetchImpl, managerUrl, `/api/v1/runs/${encodeURIComponent(runId)}/runner-jobs`, {
    method: "POST",
    body: runnerJobInput,
    timeoutMs
  });
  const mapping = agentRunMapping({ env, managerUrl, backendProfile, run, command, runnerJob, traceId, startedAt });
  traceStore.append(traceId, {
    type: "backend",
    status: "running",
    label: "agentrun:runner-job:created",
    message: `AgentRun runner Job ${mapping.jobName ?? "unknown"} created in namespace ${mapping.namespace ?? DEFAULT_RUNNER_NAMESPACE}.`,
    runId: mapping.runId,
    commandId: mapping.commandId,
    attemptId: mapping.attemptId,
    runnerId: mapping.runnerId,
    jobName: mapping.jobName,
    namespace: mapping.namespace,
    waitingFor: "agentrun-result",
    valuesPrinted: false
  });
  return decorateAgentRunRunningResult({ base: initialAgentRunChatResult({ params, options, traceId }), mapping, traceStore, traceId });
}

export async function syncAgentRunChatResult({ traceId, currentResult = null, options = {}, traceStore = defaultCodeAgentTraceStore }) {
  const mapped = currentResult ?? await loadPersistedAgentRunResult(traceId, options);
  if (!mapped?.agentRun?.runId || !mapped?.agentRun?.commandId) return { result: currentResult, runnerTrace: traceStore.snapshot(traceId), found: Boolean(currentResult) };
  const env = options.env ?? process.env;
  const fetchImpl = options.fetchImpl ?? globalThis.fetch;
  const managerUrl = resolveAgentRunManagerUrl(env, mapped.agentRun.managerUrl);
  const timeoutMs = parsePositiveInteger(env.HWLAB_CODE_AGENT_AGENTRUN_HTTP_TIMEOUT_MS, 20_000);
  const eventsResponse = await agentRunJson(fetchImpl, managerUrl, `/api/v1/runs/${encodeURIComponent(mapped.agentRun.runId)}/events?afterSeq=${encodeURIComponent(String(mapped.agentRun.lastSeq ?? 0))}&limit=500`, {
    method: "GET",
    timeoutMs
  });
  const events = Array.isArray(eventsResponse?.items) ? eventsResponse.items : [];
  appendAgentRunEventsToTrace(traceStore, traceId, events, mapped.agentRun);
  const result = await agentRunJson(fetchImpl, managerUrl, `/api/v1/runs/${encodeURIComponent(mapped.agentRun.runId)}/commands/${encodeURIComponent(mapped.agentRun.commandId)}/result`, {
    method: "GET",
    timeoutMs
  });
  const nextMapping = {
    ...mapped.agentRun,
    ...agentRunResultRefs(result),
    lastSeq: Math.max(Number(mapped.agentRun.lastSeq ?? 0), Number(result?.lastSeq ?? 0), ...events.map((event) => Number(event?.seq ?? 0))),
    status: result?.status ?? mapped.agentRun.status ?? "running",
    runStatus: result?.runStatus ?? mapped.agentRun.runStatus ?? null,
    commandState: result?.commandState ?? mapped.agentRun.commandState ?? null,
    terminalStatus: result?.terminalStatus ?? mapped.agentRun.terminalStatus ?? null,
    updatedAt: nowIso(options.now),
    valuesPrinted: false
  };
  const base = { ...mapped, agentRun: nextMapping, updatedAt: nowIso(options.now) };
  const payload = agentRunResultToCodeAgentPayload({ base, result, traceStore, traceId });
  options.codeAgentChatResults?.set?.(traceId, payload);
  return { result: payload, runnerTrace: payload.runnerTrace ?? traceStore.snapshot(traceId), found: true };
}

export async function refreshAgentRunTrace({ traceId, result = null, options = {}, traceStore = defaultCodeAgentTraceStore }) {
  const mapped = result ?? await loadPersistedAgentRunResult(traceId, options);
  if (!mapped?.agentRun?.runId) return traceStore.snapshot(traceId);
  const env = options.env ?? process.env;
  const fetchImpl = options.fetchImpl ?? globalThis.fetch;
  const managerUrl = resolveAgentRunManagerUrl(env, mapped.agentRun.managerUrl);
  const timeoutMs = parsePositiveInteger(env.HWLAB_CODE_AGENT_AGENTRUN_HTTP_TIMEOUT_MS, 20_000);
  const eventsResponse = await agentRunJson(fetchImpl, managerUrl, `/api/v1/runs/${encodeURIComponent(mapped.agentRun.runId)}/events?afterSeq=${encodeURIComponent(String(mapped.agentRun.lastSeq ?? 0))}&limit=500`, {
    method: "GET",
    timeoutMs
  });
  const events = Array.isArray(eventsResponse?.items) ? eventsResponse.items : [];
  appendAgentRunEventsToTrace(traceStore, traceId, events, mapped.agentRun);
  const lastSeq = Math.max(Number(mapped.agentRun.lastSeq ?? 0), ...events.map((event) => Number(event?.seq ?? 0)));
  if (lastSeq !== Number(mapped.agentRun.lastSeq ?? 0)) {
    options.codeAgentChatResults?.set?.(traceId, { ...mapped, agentRun: { ...mapped.agentRun, lastSeq, updatedAt: nowIso(options.now) } });
  }
  return traceStore.snapshot(traceId);
}

export async function cancelAgentRunChatTurn({ traceId, currentResult = null, options = {}, traceStore = defaultCodeAgentTraceStore }) {
  const mapped = currentResult ?? await loadPersistedAgentRunResult(traceId, options);
  if (!mapped?.agentRun?.commandId) return null;
  const env = options.env ?? process.env;
  const fetchImpl = options.fetchImpl ?? globalThis.fetch;
  const managerUrl = resolveAgentRunManagerUrl(env, mapped.agentRun.managerUrl);
  const timeoutMs = parsePositiveInteger(env.HWLAB_CODE_AGENT_AGENTRUN_HTTP_TIMEOUT_MS, 20_000);
  await agentRunJson(fetchImpl, managerUrl, `/api/v1/commands/${encodeURIComponent(mapped.agentRun.commandId)}/cancel`, {
    method: "POST",
    body: { reason: "hwlab-user-cancel", traceId },
    timeoutMs
  });
  traceStore.append(traceId, {
    type: "cancel",
    status: "canceled",
    label: "agentrun:cancel:canceled",
    message: "HWLAB forwarded cancel to AgentRun command cancel API.",
    runId: mapped.agentRun.runId,
    commandId: mapped.agentRun.commandId,
    terminal: true,
    valuesPrinted: false
  });
  const now = nowIso(options.now);
  const agentRun = { ...mapped.agentRun, status: "cancelled", commandState: "cancelled", terminalStatus: "cancelled", updatedAt: now };
  const payload = {
    ...mapped,
    status: "canceled",
    canceled: true,
    updatedAt: now,
    agentRun,
    runnerTrace: traceStore.snapshot(traceId),
    error: {
      code: "agentrun_canceled",
      layer: "agentrun",
      category: "canceled",
      retryable: true,
      message: "AgentRun command was canceled by user request",
      userMessage: "当前 AgentRun 请求已取消；traceId/runId/commandId 已保留，可重试上一条消息。",
      traceId,
      route: "/v1/agent/chat/cancel",
      toolName: "agentrun.command.cancel"
    },
    userMessage: "当前 AgentRun 请求已取消；traceId/runId/commandId 已保留，可重试上一条消息。"
  };
  options.codeAgentChatResults?.set?.(traceId, payload);
  return payload;
}

export async function loadPersistedAgentRunResult(traceId, options = {}) {
  if (!safeTraceId(traceId) || typeof options.accessController?.getAgentSessionByTraceId !== "function") return null;
  const session = await options.accessController.getAgentSessionByTraceId(traceId);
  const agentRun = session?.session?.agentRun;
  if (!agentRun || typeof agentRun !== "object" || !agentRun.runId || !agentRun.commandId) return null;
  return {
    accepted: true,
    status: session.status === "canceled" ? "canceled" : "running",
    shortConnection: true,
    traceId,
    conversationId: safeConversationId(session.conversationId) || agentRun.conversationId || null,
    sessionId: safeSessionId(session.id) || agentRun.sessionId || null,
    threadId: safeOpaqueId(session.threadId) || agentRun.threadId || null,
    messageId: session.session?.messageId ?? `msg_${traceId.slice(4)}`,
    createdAt: session.startedAt ?? session.updatedAt ?? nowIso(options.now),
    updatedAt: session.updatedAt ?? nowIso(options.now),
    ownerUserId: session.ownerUserId,
    provider: ADAPTER_ID,
    model: modelForBackendProfile(agentRun.backendProfile, options.env ?? process.env),
    backend: `agentrun-v01/${agentRun.backendProfile ?? "deepseek"}`,
    capabilityLevel: "agentrun-v01-manual-dispatch",
    sessionMode: "agentrun-v01-session-ref",
    implementationType: "hwlab-cloud-api-agentrun-v01-adapter",
    agentRun: { ...agentRun, adapter: ADAPTER_ID, valuesPrinted: false },
    valuesPrinted: false
  };
}

export function agentRunSessionEvidence(payload = {}) {
  if (!payload?.agentRun) return {};
  return {
    agentRun: {
      adapter: ADAPTER_ID,
      runId: payload.agentRun.runId ?? null,
      commandId: payload.agentRun.commandId ?? null,
      attemptId: payload.agentRun.attemptId ?? null,
      runnerId: payload.agentRun.runnerId ?? null,
      jobName: payload.agentRun.jobName ?? null,
      namespace: payload.agentRun.namespace ?? null,
      backendProfile: payload.agentRun.backendProfile ?? null,
      managerUrl: payload.agentRun.managerUrl ?? DEFAULT_AGENTRUN_MGR_URL,
      repoUrl: payload.agentRun.repoUrl ?? DEFAULT_REPO_URL,
      status: payload.agentRun.status ?? null,
      runStatus: payload.agentRun.runStatus ?? null,
      commandState: payload.agentRun.commandState ?? null,
      terminalStatus: payload.agentRun.terminalStatus ?? null,
      lastSeq: payload.agentRun.lastSeq ?? 0,
      providerId: payload.agentRun.providerId ?? DEFAULT_PROVIDER_ID,
      sessionId: payload.sessionId ?? payload.agentRun.sessionId ?? null,
      conversationId: payload.conversationId ?? payload.agentRun.conversationId ?? null,
      threadId: payload.threadId ?? payload.agentRun.threadId ?? null,
      valuesPrinted: false
    }
  };
}

function buildAgentRunCreateRunInput({ params, env, traceId, backendProfile }) {
  const commitId = fullSourceCommit(env);
  const resourceBundleRef = commitId
    ? {
        kind: "git",
        repoUrl: resolveAgentRunRepoUrl(env),
        commitId,
        submodules: false,
        lfs: false
      }
    : null;
  return {
    tenantId: firstNonEmpty(env.HWLAB_CODE_AGENT_AGENTRUN_TENANT_ID, DEFAULT_TENANT_ID),
    projectId: firstNonEmpty(params.projectId, env.HWLAB_CODE_AGENT_AGENTRUN_PROJECT_ID, DEFAULT_PROJECT_ID),
    workspaceRef: {
      kind: "opaque",
      repo: DEFAULT_PROJECT_ID,
      branch: firstNonEmpty(env.HWLAB_BOOT_REF, env.HWLAB_CODE_AGENT_AGENTRUN_BRANCH, "v0.2"),
      runtimeNamespace: firstNonEmpty(env.HWLAB_RUNTIME_NAMESPACE, env.POD_NAMESPACE, env.HWLAB_NAMESPACE, "hwlab-v02"),
      hwlabTraceId: traceId,
      valuesPrinted: false
    },
    sessionRef: {
      sessionId: agentRunSessionId(params, traceId),
      ...(safeConversationId(params.conversationId) ? { conversationId: safeConversationId(params.conversationId) } : {}),
      ...(safeOpaqueId(params.threadId) ? { threadId: safeOpaqueId(params.threadId) } : {}),
      metadata: {
        adapter: ADAPTER_ID,
        hwlabTraceId: traceId,
        hwlabApi: "/v1/agent/chat",
        valuesPrinted: false
      }
    },
    resourceBundleRef,
    providerId: firstNonEmpty(env.HWLAB_CODE_AGENT_AGENTRUN_PROVIDER_ID, env.AGENTRUN_PROVIDER_ID, DEFAULT_PROVIDER_ID),
    backendProfile,
    executionPolicy: {
      sandbox: firstNonEmpty(env.HWLAB_CODE_AGENT_AGENTRUN_SANDBOX, env.HWLAB_CODE_AGENT_CODEX_SANDBOX, "danger-full-access"),
      approval: firstNonEmpty(env.HWLAB_CODE_AGENT_AGENTRUN_APPROVAL, "never"),
      timeoutMs: parsePositiveInteger(env.HWLAB_CODE_AGENT_AGENTRUN_TIMEOUT_MS, parsePositiveInteger(env.HWLAB_CODE_AGENT_TIMEOUT_MS, DEFAULT_TIMEOUT_MS)),
      network: firstNonEmpty(env.HWLAB_CODE_AGENT_AGENTRUN_NETWORK, "enabled"),
      secretScope: {
        allowCredentialEcho: false,
        providerCredentials: [providerCredentialSecretRef(backendProfile, env)]
      }
    },
    traceSink: {
      kind: "hwlab-cloud-api",
      traceId,
      resultUrl: `/v1/agent/chat/result/${encodeURIComponent(traceId)}`,
      traceUrl: `/v1/agent/chat/trace/${encodeURIComponent(traceId)}`,
      valuesPrinted: false
    }
  };
}

function buildAgentRunCommandInput({ params, traceId, backendProfile }) {
  const prompt = String(params.message ?? params.prompt ?? "").trim();
  return {
    type: "turn",
    payload: {
      prompt,
      message: prompt,
      traceId,
      conversationId: safeConversationId(params.conversationId) || null,
      sessionId: agentRunSessionId(params, traceId),
      threadId: safeOpaqueId(params.threadId) || null,
      providerProfile: backendProfile,
      source: "hwlab-cloud-api",
      valuesPrinted: false
    },
    idempotencyKey: traceId
  };
}

function buildAgentRunRunnerJobInput({ env, traceId, commandId }) {
  return {
    commandId,
    idempotencyKey: traceId,
    namespace: firstNonEmpty(env.HWLAB_CODE_AGENT_AGENTRUN_RUNNER_NAMESPACE, env.AGENTRUN_RUNTIME_NAMESPACE, DEFAULT_RUNNER_NAMESPACE),
    ...(firstNonEmpty(env.HWLAB_CODE_AGENT_AGENTRUN_RUNNER_IMAGE, env.AGENTRUN_RUNNER_IMAGE)
      ? { image: firstNonEmpty(env.HWLAB_CODE_AGENT_AGENTRUN_RUNNER_IMAGE, env.AGENTRUN_RUNNER_IMAGE) }
      : {}),
    ...(firstNonEmpty(env.HWLAB_CODE_AGENT_AGENTRUN_RUNNER_SERVICE_ACCOUNT, env.AGENTRUN_RUNNER_SERVICE_ACCOUNT)
      ? { serviceAccountName: firstNonEmpty(env.HWLAB_CODE_AGENT_AGENTRUN_RUNNER_SERVICE_ACCOUNT, env.AGENTRUN_RUNNER_SERVICE_ACCOUNT) }
      : {})
  };
}

function providerCredentialSecretRef(profile, env) {
  return {
    profile,
    secretRef: {
      namespace: firstNonEmpty(env.HWLAB_CODE_AGENT_AGENTRUN_SECRET_NAMESPACE, DEFAULT_RUNNER_NAMESPACE),
      name: firstNonEmpty(env[`HWLAB_CODE_AGENT_AGENTRUN_${profile.toUpperCase()}_SECRET_NAME`], env.HWLAB_CODE_AGENT_AGENTRUN_PROVIDER_SECRET_NAME, `agentrun-v01-provider-${profile}`),
      keys: ["auth.json", "config.toml"],
      mountPath: firstNonEmpty(env.HWLAB_CODE_AGENT_AGENTRUN_CODEX_HOME_MOUNT, "~/.codex")
    }
  };
}

function agentRunResultToCodeAgentPayload({ base, result, traceStore, traceId }) {
  const terminalStatus = String(result?.terminalStatus ?? "");
  const terminal = terminalStatus === "completed" || terminalStatus === "failed" || terminalStatus === "blocked" || terminalStatus === "cancelled";
  if (!terminal) {
    return decorateAgentRunRunningResult({ base, mapping: base.agentRun, traceStore, traceId });
  }
  const now = nowIso();
  const runnerTrace = traceStore.snapshot(traceId, agentRunTraceMeta({}, {}));
  if (terminalStatus === "completed" && String(result?.reply ?? "").trim()) {
    traceStore.append(traceId, {
      type: "result",
      status: "completed",
      label: "agentrun:result:completed",
      message: "AgentRun result is ready for HWLAB short-connection polling.",
      runId: base.agentRun.runId,
      commandId: base.agentRun.commandId,
      terminal: true,
      valuesPrinted: false
    });
    return {
      ...base,
      status: "completed",
      updatedAt: now,
      session: agentRunSessionSummary(base, "idle"),
      runner: agentRunRunnerSummary(base.agentRun),
      runnerTrace: traceStore.snapshot(traceId, agentRunTraceMeta({}, {})),
      toolCalls: [],
      skills: { status: "delegated", provider: ADAPTER_ID, items: [], valuesPrinted: false },
      reply: {
        messageId: base.messageId ?? `msg_${traceId.slice(4)}`,
        role: "assistant",
        content: String(result.reply),
        createdAt: now
      },
      usage: null,
      agentRun: { ...base.agentRun, terminalStatus, completed: true, valuesPrinted: false },
      valuesPrinted: false
    };
  }
  const canceled = terminalStatus === "cancelled";
  traceStore.append(traceId, {
    type: "result",
    status: canceled ? "canceled" : "failed",
    label: `agentrun:result:${canceled ? "canceled" : terminalStatus || "failed"}`,
    errorCode: canceled ? "agentrun_canceled" : result?.failureKind ?? "agentrun_failed",
    message: result?.failureMessage ?? result?.blocker?.message ?? (canceled ? "AgentRun command was canceled." : "AgentRun command failed without a completed reply."),
    runId: base.agentRun.runId,
    commandId: base.agentRun.commandId,
    terminal: true,
    valuesPrinted: false
  });
  const code = canceled ? "agentrun_canceled" : result?.failureKind ?? (terminalStatus === "blocked" ? "agentrun_blocked" : "agentrun_failed");
  const message = result?.failureMessage ?? result?.blocker?.message ?? (canceled ? "AgentRun command was canceled" : "AgentRun command failed");
  return {
    ...base,
    status: canceled ? "canceled" : "failed",
    canceled,
    updatedAt: now,
    session: agentRunSessionSummary(base, canceled ? "canceled" : "failed"),
    runner: agentRunRunnerSummary(base.agentRun),
    runnerTrace,
    toolCalls: [],
    skills: { status: "delegated", provider: ADAPTER_ID, items: [], valuesPrinted: false },
    error: {
      code,
      layer: "agentrun",
      category: canceled ? "canceled" : "agentrun_failed",
      retryable: true,
      message,
      userMessage: canceled ? "AgentRun 请求已取消。" : "AgentRun 请求失败；请查看 runnerTrace 和 agentRun 字段定位 runId/commandId/jobName。",
      traceId,
      route: "/v1/agent/chat",
      toolName: "agentrun.manual-dispatch"
    },
    blocker: canceled ? null : {
      code,
      layer: "agentrun",
      category: "agentrun_failed",
      retryable: true,
      summary: message,
      traceId,
      route: "/v1/agent/chat",
      toolName: "agentrun.manual-dispatch"
    },
    agentRun: { ...base.agentRun, terminalStatus, completed: false, valuesPrinted: false },
    valuesPrinted: false
  };
}

function decorateAgentRunRunningResult({ base, mapping, traceStore, traceId }) {
  return {
    ...base,
    status: "running",
    accepted: true,
    shortConnection: true,
    updatedAt: nowIso(),
    session: agentRunSessionSummary({ ...base, agentRun: mapping }, "running"),
    runner: agentRunRunnerSummary(mapping),
    runnerTrace: traceStore.snapshot(traceId, agentRunTraceMeta({}, {})),
    agentRun: { ...mapping, adapter: ADAPTER_ID, valuesPrinted: false },
    valuesPrinted: false
  };
}

function appendAgentRunEventsToTrace(traceStore, traceId, events, mapping = {}) {
  for (const event of events) {
    const normalized = mapAgentRunEvent(event, mapping);
    if (normalized) traceStore.append(traceId, normalized, agentRunTraceMeta({}, {}));
  }
}

function mapAgentRunEvent(event, mapping = {}) {
  if (!event || typeof event !== "object") return null;
  const payload = event.payload && typeof event.payload === "object" ? event.payload : {};
  const base = {
    source: "agentrun",
    sourceSeq: event.seq ?? null,
    runId: event.runId ?? mapping.runId ?? null,
    commandId: payload.commandId ?? mapping.commandId ?? null,
    attemptId: payload.attemptId ?? mapping.attemptId ?? null,
    runnerId: payload.runnerId ?? mapping.runnerId ?? null,
    jobName: payload.jobName ?? mapping.jobName ?? null,
    namespace: payload.namespace ?? mapping.namespace ?? null,
    valuesPrinted: false
  };
  if (event.type === "backend_status") {
    const phase = String(payload.phase ?? "status");
    return { ...base, type: "backend", status: "running", label: `agentrun:backend:${phase}`, message: textPayload(payload, phase), waitingFor: waitingForForPhase(phase) };
  }
  if (event.type === "assistant_message") {
    return { ...base, type: "assistant", status: "running", label: "agentrun:assistant:message", message: textPayload(payload, "assistant message"), text: textPayload(payload, "") };
  }
  if (event.type === "tool_call") {
    return { ...base, type: "tool", status: String(payload.status ?? "running"), label: `agentrun:tool:${String(payload.name ?? payload.method ?? "call")}`, message: textPayload(payload, "tool call") };
  }
  if (event.type === "command_output") {
    const stream = payload.stream === "stderr" ? "stderr" : "stdout";
    return { ...base, type: "output", status: "running", label: `agentrun:output:${stream}`, stream, message: textPayload(payload, ""), outputTruncated: payload.outputTruncated === true };
  }
  if (event.type === "diff") {
    return { ...base, type: "diff", status: "running", label: "agentrun:diff", message: textPayload(payload, "diff") };
  }
  if (event.type === "error") {
    return { ...base, type: "error", status: "failed", label: `agentrun:error:${String(payload.failureKind ?? "backend")}`, errorCode: payload.failureKind ?? "agentrun_error", message: textPayload(payload, "AgentRun error") };
  }
  if (event.type === "terminal_status") {
    const terminalStatus = String(payload.terminalStatus ?? "failed");
    return { ...base, type: "result", status: terminalStatus === "cancelled" ? "canceled" : terminalStatus, label: `agentrun:terminal:${terminalStatus}`, errorCode: payload.failureKind ?? null, message: textPayload(payload, `AgentRun terminal status ${terminalStatus}`), terminal: true };
  }
  return { ...base, type: "backend", status: "running", label: `agentrun:event:${String(event.type ?? "unknown")}`, message: textPayload(payload, "AgentRun event") };
}

async function agentRunJson(fetchImpl, managerUrl, path, { method = "GET", body, timeoutMs = 20_000 } = {}) {
  const controller = new AbortController();
  const timeout = setTimeout(() => controller.abort(), timeoutMs);
  try {
    const response = await fetchImpl(`${managerUrl}${path}`, {
      method,
      headers: body === undefined ? undefined : { "content-type": "application/json" },
      body: body === undefined ? undefined : JSON.stringify(body),
      signal: controller.signal
    });
    const text = await response.text();
    const parsed = text ? JSON.parse(text) : {};
    if (!response.ok || parsed?.ok === false) {
      throw Object.assign(new Error(parsed?.message ?? `AgentRun ${method} ${path} failed with HTTP ${response.status}`), {
        code: parsed?.failureKind ?? "agentrun_request_failed",
        statusCode: response.status,
        agentRunError: parsed
      });
    }
    return parsed?.ok === true && Object.hasOwn(parsed, "data") ? parsed.data : parsed;
  } catch (error) {
    if (error?.name === "AbortError") {
      throw Object.assign(new Error(`AgentRun ${method} ${path} timed out after ${timeoutMs}ms`), { code: "agentrun_timeout", statusCode: 504 });
    }
    throw error;
  } finally {
    clearTimeout(timeout);
  }
}

function resolveAgentRunManagerUrl(env = process.env, override = null) {
  const raw = firstNonEmpty(override, env.AGENTRUN_MGR_URL, env.HWLAB_CODE_AGENT_AGENTRUN_MGR_URL, DEFAULT_AGENTRUN_MGR_URL);
  const url = new URL(raw);
  const host = url.hostname.toLowerCase();
  const allowedHost = "agentrun-mgr.agentrun-v01.svc.cluster.local";
  const allowedByTest = truthyFlag(env.HWLAB_CODE_AGENT_AGENTRUN_ALLOW_NON_K3S_URL) && ["127.0.0.1", "localhost"].includes(host);
  if (url.protocol !== "http:" || (host !== allowedHost && !allowedByTest)) {
    throw Object.assign(new Error(`AGENTRUN_MGR_URL must use internal k3s Service DNS ${DEFAULT_AGENTRUN_MGR_URL}; got ${redactUrl(raw)}`), {
      code: "agentrun_internal_url_required",
      statusCode: 500
    });
  }
  url.pathname = url.pathname.replace(/\/+$/u, "");
  url.search = "";
  url.hash = "";
  return url.toString().replace(/\/+$/u, "");
}

function resolveAgentRunBackendProfile(env = process.env, params = {}) {
  const value = String(params.providerProfile ?? params.codeAgentProviderProfile ?? env.HWLAB_CODE_AGENT_AGENTRUN_BACKEND_PROFILE ?? env.HWLAB_CODE_AGENT_DEFAULT_PROVIDER_PROFILE ?? "deepseek").trim().toLowerCase();
  const mapped = value === "codex-api" || value === "codex" ? "codex" : value === "runtime-default" ? String(env.HWLAB_CODE_AGENT_AGENTRUN_DEFAULT_BACKEND_PROFILE ?? "deepseek").trim().toLowerCase() : value;
  return AGENTRUN_BACKENDS.includes(mapped) ? mapped : "deepseek";
}

function agentRunMapping({ env, managerUrl, backendProfile, run, command, runnerJob, traceId, startedAt }) {
  return {
    adapter: ADAPTER_ID,
    managerUrl,
    backendProfile,
    providerId: firstNonEmpty(env.HWLAB_CODE_AGENT_AGENTRUN_PROVIDER_ID, env.AGENTRUN_PROVIDER_ID, DEFAULT_PROVIDER_ID),
    runId: run.id,
    commandId: command.id,
    attemptId: runnerJob?.attemptId ?? runnerJob?.runner?.attemptId ?? null,
    runnerId: runnerJob?.runnerId ?? runnerJob?.runner?.runnerId ?? null,
    runnerJobId: runnerJob?.id ?? null,
    jobName: runnerJob?.jobName ?? runnerJob?.jobIdentity?.name ?? null,
    namespace: runnerJob?.namespace ?? runnerJob?.jobIdentity?.namespace ?? DEFAULT_RUNNER_NAMESPACE,
    status: "runner-job-created",
    runStatus: run.status ?? null,
    commandState: command.state ?? null,
    terminalStatus: null,
    lastSeq: 0,
    traceId,
    createdAt: startedAt,
    updatedAt: nowIso(),
    valuesPrinted: false
  };
}

function agentRunResultRefs(result = {}) {
  const refs = {};
  for (const key of ["attemptId", "runnerId", "jobName", "namespace", "runnerJobCount"]) {
    if (result?.[key] !== undefined && result?.[key] !== null) refs[key] = result[key];
  }
  return refs;
}

function agentRunSessionId(params, traceId) {
  return safeSessionId(params.sessionId) || `ses_agentrun_${String(safeTraceId(traceId) || `trc_${randomUUID()}`).slice(4)}`;
}

function agentRunSessionSummary(base, status) {
  return {
    sessionId: base.sessionId ?? base.agentRun?.sessionId ?? null,
    conversationId: base.conversationId ?? base.agentRun?.conversationId ?? null,
    threadId: base.threadId ?? base.agentRun?.threadId ?? null,
    status,
    sessionMode: "agentrun-v01-session-ref",
    runnerKind: "agentrun-v01-runner-job",
    secretMaterialStored: false,
    valuesRedacted: true
  };
}

function agentRunRunnerSummary(mapping = {}) {
  return {
    kind: "agentrun-v01-runner-job",
    adapter: ADAPTER_ID,
    runId: mapping.runId ?? null,
    commandId: mapping.commandId ?? null,
    attemptId: mapping.attemptId ?? null,
    runnerId: mapping.runnerId ?? null,
    jobName: mapping.jobName ?? null,
    namespace: mapping.namespace ?? null,
    backendProfile: mapping.backendProfile ?? null,
    valuesPrinted: false
  };
}

function agentRunTraceMeta(env = process.env) {
  return {
    runnerKind: "agentrun-v01-runner-job",
    workspace: resolveAgentRunRepoUrl(env),
    sandbox: firstNonEmpty(env.HWLAB_CODE_AGENT_AGENTRUN_SANDBOX, env.HWLAB_CODE_AGENT_CODEX_SANDBOX, "danger-full-access"),
    sessionMode: "agentrun-v01-session-ref",
    implementationType: "hwlab-cloud-api-agentrun-v01-adapter"
  };
}

function resolveAgentRunRepoUrl(env = process.env) {
  const raw = firstNonEmpty(env.HWLAB_CODE_AGENT_AGENTRUN_REPO_URL, env.HWLAB_BOOT_READ_URL, DEFAULT_REPO_URL);
  const url = new URL(raw);
  const host = url.hostname.toLowerCase();
  const allowedHost = "git-mirror-http.devops-infra.svc.cluster.local";
  const allowedByTest = truthyFlag(env.HWLAB_CODE_AGENT_AGENTRUN_ALLOW_NON_K3S_URL) && ["127.0.0.1", "localhost"].includes(host);
  if (url.protocol !== "http:" || (host !== allowedHost && !allowedByTest)) {
    throw Object.assign(new Error(`HWLAB_CODE_AGENT_AGENTRUN_REPO_URL must use internal k3s git mirror ${DEFAULT_REPO_URL}; got ${redactUrl(raw)}`), {
      code: "agentrun_internal_repo_url_required",
      statusCode: 500
    });
  }
  url.pathname = url.pathname.replace(/\/+$/u, "");
  url.search = "";
  url.hash = "";
  return url.toString().replace(/\/+$/u, "");
}

function fullSourceCommit(env) {
  for (const value of [
    env.HWLAB_CODE_AGENT_AGENTRUN_SOURCE_COMMIT,
    env.HWLAB_BOOT_COMMIT,
    env.HWLAB_GITOPS_SOURCE_COMMIT,
    env.HWLAB_COMMIT_ID,
    env.HWLAB_GIT_SHA,
    env.GIT_COMMIT,
    env.HWLAB_REVISION
  ]) {
    const text = String(value ?? "").trim().toLowerCase();
    if (/^[0-9a-f]{40}$/u.test(text)) return text;
  }
  return null;
}

function modelForBackendProfile(profile, env = process.env) {
  if (profile === "codex") return firstNonEmpty(env.HWLAB_CODE_AGENT_CODEX_API_MODEL, env.HWLAB_CODE_AGENT_MODEL, "gpt-5.5");
  return firstNonEmpty(env.HWLAB_CODE_AGENT_DEEPSEEK_MODEL, "deepseek-chat");
}

function waitingForForPhase(phase) {
  if (phase.includes("runner-job")) return "agentrun-runner";
  if (phase.includes("resource-bundle")) return "agentrun-resource-bundle";
  if (phase.includes("backend")) return "agentrun-backend";
  return "agentrun-result";
}

function textPayload(payload, fallback) {
  for (const key of ["message", "text", "content", "delta", "summary", "phase"]) {
    if (typeof payload?.[key] === "string" && payload[key].length > 0) return payload[key];
  }
  return fallback;
}

function requiredString(value, fieldName) {
  if (typeof value === "string" && value.trim()) return value.trim();
  throw Object.assign(new Error(`AgentRun response missing ${fieldName}`), { code: "agentrun_response_invalid", statusCode: 502 });
}

function firstNonEmpty(...values) {
  for (const value of values) {
    const text = String(value ?? "").trim();
    if (text) return text;
  }
  return null;
}

function nowIso(now) {
  return typeof now === "function" ? now() : new Date().toISOString();
}

function redactUrl(value) {
  try {
    const url = new URL(value);
    if (url.username || url.password) {
      url.username = "***";
      url.password = "";
    }
    return url.toString();
  } catch {
    return "<invalid-url>";
  }
}