// Telegram plugin module implements thread bindings behavior.
import { readAcpSessionEntry } from "openclaw/plugin-sdk/acp-runtime";
import type { OpenClawConfig } from "openclaw/plugin-sdk/config-contracts";
import {
  formatThreadBindingDurationLabel,
  registerSessionBindingAdapter,
  resolveThreadBindingConversationIdFromBindingId,
  resolveThreadBindingEffectiveExpiresAt,
  resolveThreadBindingLifecycle,
  unregisterSessionBindingAdapter,
  type BindingTargetKind,
  type SessionBindingAdapter,
  type SessionBindingRecord,
} from "openclaw/plugin-sdk/conversation-runtime";
import { formatErrorMessage } from "openclaw/plugin-sdk/error-runtime";
import type { PluginStateSyncKeyedStore } from "openclaw/plugin-sdk/plugin-state-runtime";
import { normalizeAccountId, isAcpSessionKey } from "openclaw/plugin-sdk/routing";
import { logVerbose } from "openclaw/plugin-sdk/runtime-env";
import { normalizeOptionalString } from "openclaw/plugin-sdk/string-coerce-runtime";
import { getTelegramRuntime } from "./runtime.js";
import { loadTelegramSendModule } from "./send-runtime.js";
import {
  resolveStoredBindingKey,
  sanitizeStoredBinding,
  TELEGRAM_THREAD_BINDINGS_MAX_ENTRIES,
  TELEGRAM_THREAD_BINDINGS_NAMESPACE,
  type TelegramBindingTargetKind,
  type TelegramThreadBindingRecord,
} from "./thread-bindings-store.js";
import { resolveTelegramToken } from "./token.js";

const DEFAULT_THREAD_BINDING_IDLE_TIMEOUT_MS = 24 * 60 * 60 * 1000;
const DEFAULT_THREAD_BINDING_MAX_AGE_MS = 0;
const THREAD_BINDINGS_SWEEP_INTERVAL_MS = 60_000;
type TelegramThreadBindingStore = PluginStateSyncKeyedStore<TelegramThreadBindingRecord>;

type TelegramThreadBindingManager = {
  accountId: string;
  shouldPersistMutations: () => boolean;
  getIdleTimeoutMs: () => number;
  getMaxAgeMs: () => number;
  getByConversationId: (conversationId: string) => TelegramThreadBindingRecord | undefined;
  listBySessionKey: (targetSessionKey: string) => TelegramThreadBindingRecord[];
  listBindings: () => TelegramThreadBindingRecord[];
  touchConversation: (conversationId: string, at?: number) => TelegramThreadBindingRecord | null;
  unbindConversation: (params: {
    conversationId: string;
    reason?: string;
    sendFarewell?: boolean;
    throwOnPersistError?: boolean;
  }) => TelegramThreadBindingRecord | null;
  unbindBySessionKey: (params: {
    targetSessionKey: string;
    reason?: string;
    sendFarewell?: boolean;
    throwOnPersistError?: boolean;
  }) => TelegramThreadBindingRecord[];
  stop: () => void;
};

type TelegramThreadBindingsState = {
  managersByAccountId: Map<string, TelegramThreadBindingManager>;
  bindingsByAccountConversation: Map<string, TelegramThreadBindingRecord>;
};

/**
 * Keep Telegram thread binding state shared across bundled chunks so routing,
 * binding lookups, and binding mutations all observe the same live registry.
 */
const TELEGRAM_THREAD_BINDINGS_STATE_KEY = Symbol.for("openclaw.telegramThreadBindingsState");
let threadBindingsState: TelegramThreadBindingsState | undefined;

function getThreadBindingsState(): TelegramThreadBindingsState {
  if (!threadBindingsState) {
    const globalStore = globalThis as Record<PropertyKey, unknown>;
    threadBindingsState = (globalStore[TELEGRAM_THREAD_BINDINGS_STATE_KEY] as
      | TelegramThreadBindingsState
      | undefined) ?? {
      managersByAccountId: new Map<string, TelegramThreadBindingManager>(),
      bindingsByAccountConversation: new Map<string, TelegramThreadBindingRecord>(),
    };
    globalStore[TELEGRAM_THREAD_BINDINGS_STATE_KEY] = threadBindingsState;
  }
  return threadBindingsState;
}

function normalizeDurationMs(raw: unknown, fallback: number): number {
  if (typeof raw !== "number" || !Number.isFinite(raw)) {
    return fallback;
  }
  return Math.max(0, Math.floor(raw));
}

function resolveBindingKey(params: { accountId: string; conversationId: string }): string {
  return `${params.accountId}:${params.conversationId}`;
}

function openThreadBindingStore(): TelegramThreadBindingStore {
  return getTelegramRuntime().state.openSyncKeyedStore<TelegramThreadBindingRecord>({
    namespace: TELEGRAM_THREAD_BINDINGS_NAMESPACE,
    maxEntries: TELEGRAM_THREAD_BINDINGS_MAX_ENTRIES,
  });
}

function toSessionBindingTargetKind(raw: TelegramBindingTargetKind): BindingTargetKind {
  return raw === "subagent" ? "subagent" : "session";
}

function toTelegramTargetKind(raw: BindingTargetKind): TelegramBindingTargetKind {
  return raw === "subagent" ? "subagent" : "acp";
}

function toSessionBindingRecord(
  record: TelegramThreadBindingRecord,
  defaults: { idleTimeoutMs: number; maxAgeMs: number },
): SessionBindingRecord {
  return {
    bindingId: resolveBindingKey({
      accountId: record.accountId,
      conversationId: record.conversationId,
    }),
    targetSessionKey: record.targetSessionKey,
    targetKind: toSessionBindingTargetKind(record.targetKind),
    conversation: {
      channel: "telegram",
      accountId: record.accountId,
      conversationId: record.conversationId,
    },
    status: "active",
    boundAt: record.boundAt,
    expiresAt: resolveThreadBindingEffectiveExpiresAt({
      record,
      defaultIdleTimeoutMs: defaults.idleTimeoutMs,
      defaultMaxAgeMs: defaults.maxAgeMs,
    }),
    metadata: {
      agentId: record.agentId,
      label: record.label,
      boundBy: record.boundBy,
      lastActivityAt: record.lastActivityAt,
      idleTimeoutMs:
        typeof record.idleTimeoutMs === "number"
          ? Math.max(0, Math.floor(record.idleTimeoutMs))
          : defaults.idleTimeoutMs,
      maxAgeMs:
        typeof record.maxAgeMs === "number"
          ? Math.max(0, Math.floor(record.maxAgeMs))
          : defaults.maxAgeMs,
      ...record.metadata,
    },
  };
}

function fromSessionBindingInput(params: {
  accountId: string;
  input: {
    targetSessionKey: string;
    targetKind: BindingTargetKind;
    conversationId: string;
    metadata?: Record<string, unknown>;
  };
}): TelegramThreadBindingRecord {
  const now = Date.now();
  const metadata = params.input.metadata ?? {};
  const existing = getThreadBindingsState().bindingsByAccountConversation.get(
    resolveBindingKey({
      accountId: params.accountId,
      conversationId: params.input.conversationId,
    }),
  );

  const record: TelegramThreadBindingRecord = {
    accountId: params.accountId,
    conversationId: params.input.conversationId,
    targetKind: toTelegramTargetKind(params.input.targetKind),
    targetSessionKey: params.input.targetSessionKey,
    agentId:
      typeof metadata.agentId === "string" && metadata.agentId.trim()
        ? metadata.agentId.trim()
        : existing?.agentId,
    label:
      typeof metadata.label === "string" && metadata.label.trim()
        ? metadata.label.trim()
        : existing?.label,
    boundBy:
      typeof metadata.boundBy === "string" && metadata.boundBy.trim()
        ? metadata.boundBy.trim()
        : existing?.boundBy,
    boundAt: now,
    lastActivityAt: now,
    metadata: {
      ...existing?.metadata,
      ...metadata,
    },
  };

  if (typeof metadata.idleTimeoutMs === "number" && Number.isFinite(metadata.idleTimeoutMs)) {
    record.idleTimeoutMs = Math.max(0, Math.floor(metadata.idleTimeoutMs));
  } else if (typeof existing?.idleTimeoutMs === "number") {
    record.idleTimeoutMs = existing.idleTimeoutMs;
  }

  if (typeof metadata.maxAgeMs === "number" && Number.isFinite(metadata.maxAgeMs)) {
    record.maxAgeMs = Math.max(0, Math.floor(metadata.maxAgeMs));
  } else if (typeof existing?.maxAgeMs === "number") {
    record.maxAgeMs = existing.maxAgeMs;
  }

  return record;
}

function summarizeLifecycleForLog(
  record: TelegramThreadBindingRecord,
  defaults: {
    idleTimeoutMs: number;
    maxAgeMs: number;
  },
) {
  const idleTimeoutMs =
    typeof record.idleTimeoutMs === "number" ? record.idleTimeoutMs : defaults.idleTimeoutMs;
  const maxAgeMs = typeof record.maxAgeMs === "number" ? record.maxAgeMs : defaults.maxAgeMs;
  const idleLabel = formatThreadBindingDurationLabel(Math.max(0, Math.floor(idleTimeoutMs)));
  const maxAgeLabel = formatThreadBindingDurationLabel(Math.max(0, Math.floor(maxAgeMs)));
  return `idle=${idleLabel} maxAge=${maxAgeLabel}`;
}

function loadBindingsFromStore(accountId: string): TelegramThreadBindingRecord[] {
  let store: TelegramThreadBindingStore;
  try {
    store = openThreadBindingStore();
  } catch (err) {
    logVerbose(`telegram thread bindings store open failed (${accountId}): ${String(err)}`);
    return [];
  }
  let entries: Array<{ key: string; value: TelegramThreadBindingRecord }>;
  try {
    entries = store.entries();
  } catch (err) {
    logVerbose(`telegram thread bindings store read failed (${accountId}): ${String(err)}`);
    return [];
  }
  const bindings: TelegramThreadBindingRecord[] = [];
  for (const entry of entries) {
    if (entry.value.accountId !== accountId) {
      continue;
    }
    const sanitized = sanitizeStoredBinding(accountId, entry.value);
    if (sanitized) {
      bindings.push(sanitized);
      continue;
    }
    try {
      store.delete(entry.key);
    } catch (err) {
      logVerbose(
        `telegram thread bindings invalid row cleanup failed (${accountId}): ${String(err)}`,
      );
    }
  }
  return bindings;
}

function persistBindingMutation(params: {
  accountId: string;
  persist: boolean;
  binding: TelegramThreadBindingRecord;
  remove?: boolean;
  reason: string;
  throwOnError?: boolean;
}): void {
  if (!params.persist) {
    return;
  }
  try {
    const store = openThreadBindingStore();
    const key = resolveStoredBindingKey(params.binding);
    if (params.remove) {
      store.delete(key);
      return;
    }
    const stored = sanitizeStoredBinding(params.accountId, params.binding);
    if (stored) {
      store.register(key, stored);
    }
  } catch (err) {
    if (params.throwOnError) {
      throw err;
    }
    logVerbose(
      `telegram thread bindings persist failed (${params.accountId}, ${params.reason}): ${String(err)}`,
    );
  }
}

function listBindingsForAccount(accountId: string): TelegramThreadBindingRecord[] {
  return [...getThreadBindingsState().bindingsByAccountConversation.values()].filter(
    (entry) => entry.accountId === accountId,
  );
}

function normalizeTimestampMs(raw: unknown): number {
  if (typeof raw !== "number" || !Number.isFinite(raw)) {
    return Date.now();
  }
  return Math.max(0, Math.floor(raw));
}

export function createTelegramThreadBindingManager(params: {
  cfg: OpenClawConfig;
  accountId?: string;
  persist?: boolean;
  idleTimeoutMs?: number;
  maxAgeMs?: number;
  enableSweeper?: boolean;
}): TelegramThreadBindingManager {
  const accountId = normalizeAccountId(params.accountId);
  const existing = getThreadBindingsState().managersByAccountId.get(accountId);
  if (existing) {
    return existing;
  }

  const persist = params.persist ?? true;
  const idleTimeoutMs = normalizeDurationMs(
    params.idleTimeoutMs,
    DEFAULT_THREAD_BINDING_IDLE_TIMEOUT_MS,
  );
  const maxAgeMs = normalizeDurationMs(params.maxAgeMs, DEFAULT_THREAD_BINDING_MAX_AGE_MS);

  const loaded = loadBindingsFromStore(accountId);
  for (const entry of loaded) {
    const key = resolveBindingKey({
      accountId,
      conversationId: entry.conversationId,
    });
    getThreadBindingsState().bindingsByAccountConversation.set(key, {
      ...entry,
      accountId,
    });
  }

  const acpSessionKeys = new Set<string>();
  for (const binding of getThreadBindingsState().bindingsByAccountConversation.values()) {
    if (binding.targetKind !== "acp" || !isAcpSessionKey(binding.targetSessionKey)) {
      continue;
    }
    acpSessionKeys.add(binding.targetSessionKey);
  }

  const staleSessionKeys = new Set<string>();
  for (const targetSessionKey of acpSessionKeys) {
    const sessionEntry = readAcpSessionEntry({ sessionKey: targetSessionKey });
    if (!sessionEntry || sessionEntry.storeReadFailed) {
      continue;
    }
    const isStale =
      !sessionEntry.entry ||
      sessionEntry.entry.status === "failed" ||
      sessionEntry.entry.status === "killed" ||
      sessionEntry.entry.status === "timeout" ||
      sessionEntry.acp?.state === "error";
    if (isStale) {
      staleSessionKeys.add(targetSessionKey);
    }
  }

  for (const sessionKey of staleSessionKeys) {
    const bindingsToRemove = listBindingsForAccount(accountId).filter(
      (b) => b.targetSessionKey === sessionKey,
    );
    for (const binding of bindingsToRemove) {
      getThreadBindingsState().bindingsByAccountConversation.delete(
        resolveBindingKey({ accountId, conversationId: binding.conversationId }),
      );
      persistBindingMutation({
        accountId,
        persist,
        binding,
        remove: true,
        reason: "cleanup-stale",
      });
    }
    if (bindingsToRemove.length > 0) {
      logVerbose(
        `telegram thread binding: cleaned up ${bindingsToRemove.length} stale binding(s) for session ${sessionKey}`,
      );
    }
  }

  let sweepTimer: NodeJS.Timeout | null = null;

  const manager: TelegramThreadBindingManager = {
    accountId,
    shouldPersistMutations: () => persist,
    getIdleTimeoutMs: () => idleTimeoutMs,
    getMaxAgeMs: () => maxAgeMs,
    getByConversationId: (conversationIdRaw) => {
      const conversationId = normalizeOptionalString(conversationIdRaw);
      if (!conversationId) {
        return undefined;
      }
      return getThreadBindingsState().bindingsByAccountConversation.get(
        resolveBindingKey({
          accountId,
          conversationId,
        }),
      );
    },
    listBySessionKey: (targetSessionKeyRaw) => {
      const targetSessionKey = targetSessionKeyRaw.trim();
      if (!targetSessionKey) {
        return [];
      }
      return listBindingsForAccount(accountId).filter(
        (entry) => entry.targetSessionKey === targetSessionKey,
      );
    },
    listBindings: () => listBindingsForAccount(accountId),
    touchConversation: (conversationIdRaw, at) => {
      const conversationId = normalizeOptionalString(conversationIdRaw);
      if (!conversationId) {
        return null;
      }
      const key = resolveBindingKey({ accountId, conversationId });
      const existingLocal = getThreadBindingsState().bindingsByAccountConversation.get(key);
      if (!existingLocal) {
        return null;
      }
      const nextRecord: TelegramThreadBindingRecord = {
        ...existingLocal,
        lastActivityAt: normalizeTimestampMs(at ?? Date.now()),
      };
      getThreadBindingsState().bindingsByAccountConversation.set(key, nextRecord);
      persistBindingMutation({
        accountId,
        persist: manager.shouldPersistMutations(),
        binding: nextRecord,
        reason: "touch",
      });
      return nextRecord;
    },
    unbindConversation: (unbindParams) => {
      const conversationId = normalizeOptionalString(unbindParams.conversationId);
      if (!conversationId) {
        return null;
      }
      const key = resolveBindingKey({ accountId, conversationId });
      const removed = getThreadBindingsState().bindingsByAccountConversation.get(key) ?? null;
      if (!removed) {
        return null;
      }
      getThreadBindingsState().bindingsByAccountConversation.delete(key);
      persistBindingMutation({
        accountId,
        persist: manager.shouldPersistMutations(),
        binding: removed,
        remove: true,
        reason: "unbind-conversation",
        throwOnError: unbindParams.throwOnPersistError,
      });
      return removed;
    },
    unbindBySessionKey: (unbindParams) => {
      const targetSessionKey = unbindParams.targetSessionKey.trim();
      if (!targetSessionKey) {
        return [];
      }
      const removed: TelegramThreadBindingRecord[] = [];
      for (const entry of listBindingsForAccount(accountId)) {
        if (entry.targetSessionKey !== targetSessionKey) {
          continue;
        }
        const key = resolveBindingKey({
          accountId,
          conversationId: entry.conversationId,
        });
        getThreadBindingsState().bindingsByAccountConversation.delete(key);
        persistBindingMutation({
          accountId,
          persist: manager.shouldPersistMutations(),
          binding: entry,
          remove: true,
          reason: "unbind-session",
          throwOnError: unbindParams.throwOnPersistError,
        });
        removed.push(entry);
      }
      return removed;
    },
    stop: () => {
      if (sweepTimer) {
        clearInterval(sweepTimer);
        sweepTimer = null;
      }
      unregisterSessionBindingAdapter({
        channel: "telegram",
        accountId,
        adapter: sessionBindingAdapter,
      });
      const state = getThreadBindingsState();
      const existingManager = state.managersByAccountId.get(accountId);
      if (existingManager === manager) {
        state.managersByAccountId.delete(accountId);
        // Live bindings belong to this manager generation; persisted rows reload on restart.
        for (const binding of listBindingsForAccount(accountId)) {
          state.bindingsByAccountConversation.delete(
            resolveBindingKey({ accountId, conversationId: binding.conversationId }),
          );
        }
      }
    },
  };

  const sessionBindingAdapter: SessionBindingAdapter = {
    channel: "telegram",
    accountId,
    capabilities: {
      placements: ["current", "child"],
    },
    bind: async (input) => {
      if (input.conversation.channel !== "telegram") {
        return null;
      }
      const targetSessionKey = input.targetSessionKey.trim();
      if (!targetSessionKey) {
        return null;
      }
      const placement = input.placement === "child" ? "child" : "current";
      const metadata = input.metadata ?? {};
      let conversationId: string | undefined;

      if (placement === "child") {
        const rawConversationId = input.conversation.conversationId?.trim() ?? "";
        const rawParent = input.conversation.parentConversationId?.trim() ?? "";
        const chatId = rawParent || rawConversationId;
        if (!chatId) {
          logVerbose(
            `telegram: child bind failed: could not resolve group chat ID from conversationId=${rawConversationId}`,
          );
          return null;
        }
        if (!chatId.startsWith("-")) {
          logVerbose(
            `telegram: child bind failed: conversationId "${chatId}" looks like a bare topic ID, not a group chat ID (expected to start with "-"). Provide a full chatId:topic:topicId conversationId or set parentConversationId to the group chat ID.`,
          );
          return null;
        }
        const threadName =
          (normalizeOptionalString(metadata.threadName) ?? "") ||
          (normalizeOptionalString(metadata.label) ?? "") ||
          `Agent: ${targetSessionKey.split(":").pop()}`;
        try {
          const tokenResolution = resolveTelegramToken(params.cfg, { accountId });
          if (!tokenResolution.token) {
            return null;
          }
          const { createForumTopicTelegram } = await loadTelegramSendModule();
          const result = await createForumTopicTelegram(chatId, threadName, {
            cfg: params.cfg,
            token: tokenResolution.token,
            accountId,
          });
          conversationId = `${result.chatId}:topic:${result.topicId}`;
        } catch (err) {
          logVerbose(
            `telegram: child thread-binding failed for ${chatId}: ${formatErrorMessage(err)}`,
          );
          return null;
        }
      } else {
        conversationId = normalizeOptionalString(input.conversation.conversationId);
      }

      if (!conversationId) {
        return null;
      }
      const record = fromSessionBindingInput({
        accountId,
        input: {
          targetSessionKey,
          targetKind: input.targetKind,
          conversationId,
          metadata: input.metadata,
        },
      });
      getThreadBindingsState().bindingsByAccountConversation.set(
        resolveBindingKey({ accountId, conversationId }),
        record,
      );
      persistBindingMutation({
        accountId,
        persist: manager.shouldPersistMutations(),
        binding: record,
        reason: "bind",
        throwOnError: true,
      });
      logVerbose(
        `telegram: bound conversation ${conversationId} -> ${targetSessionKey} (${summarizeLifecycleForLog(
          record,
          {
            idleTimeoutMs,
            maxAgeMs,
          },
        )})`,
      );
      return toSessionBindingRecord(record, {
        idleTimeoutMs,
        maxAgeMs,
      });
    },
    listBySession: (targetSessionKeyRaw) => {
      const targetSessionKey = targetSessionKeyRaw.trim();
      if (!targetSessionKey) {
        return [];
      }
      return manager.listBySessionKey(targetSessionKey).map((entry) =>
        toSessionBindingRecord(entry, {
          idleTimeoutMs,
          maxAgeMs,
        }),
      );
    },
    resolveByConversation: (ref) => {
      if (ref.channel !== "telegram") {
        return null;
      }
      const conversationId = normalizeOptionalString(ref.conversationId);
      if (!conversationId) {
        return null;
      }
      const record = manager.getByConversationId(conversationId);
      return record
        ? toSessionBindingRecord(record, {
            idleTimeoutMs,
            maxAgeMs,
          })
        : null;
    },
    touch: (bindingId, at) => {
      const conversationId = resolveThreadBindingConversationIdFromBindingId({
        accountId,
        bindingId,
      });
      if (!conversationId) {
        return;
      }
      manager.touchConversation(conversationId, at);
    },
    unbind: async (input) => {
      if (input.targetSessionKey?.trim()) {
        const removed = manager.unbindBySessionKey({
          targetSessionKey: input.targetSessionKey,
          reason: input.reason,
          sendFarewell: false,
          throwOnPersistError: true,
        });
        return removed.map((entry) =>
          toSessionBindingRecord(entry, {
            idleTimeoutMs,
            maxAgeMs,
          }),
        );
      }
      const conversationId = resolveThreadBindingConversationIdFromBindingId({
        accountId,
        bindingId: input.bindingId,
      });
      if (!conversationId) {
        return [];
      }
      const removed = manager.unbindConversation({
        conversationId,
        reason: input.reason,
        sendFarewell: false,
        throwOnPersistError: true,
      });
      return removed
        ? [
            toSessionBindingRecord(removed, {
              idleTimeoutMs,
              maxAgeMs,
            }),
          ]
        : [];
    },
  };

  registerSessionBindingAdapter(sessionBindingAdapter);

  const sweeperEnabled = params.enableSweeper !== false;
  if (sweeperEnabled) {
    sweepTimer = setInterval(() => {
      const now = Date.now();
      for (const record of listBindingsForAccount(accountId)) {
        const { expiresAt, reason } = resolveThreadBindingLifecycle({
          record,
          defaultIdleTimeoutMs: idleTimeoutMs,
          defaultMaxAgeMs: maxAgeMs,
        });
        if (expiresAt === undefined || now < expiresAt) {
          continue;
        }
        manager.unbindConversation({
          conversationId: record.conversationId,
          reason,
          sendFarewell: false,
        });
      }
    }, THREAD_BINDINGS_SWEEP_INTERVAL_MS);
    sweepTimer.unref?.();
  }

  getThreadBindingsState().managersByAccountId.set(accountId, manager);
  return manager;
}

export function getTelegramThreadBindingManager(
  accountId?: string,
): TelegramThreadBindingManager | null {
  return getThreadBindingsState().managersByAccountId.get(normalizeAccountId(accountId)) ?? null;
}

function updateTelegramBindingsBySessionKey(params: {
  manager: TelegramThreadBindingManager;
  targetSessionKey: string;
  update: (entry: TelegramThreadBindingRecord, now: number) => TelegramThreadBindingRecord;
}): TelegramThreadBindingRecord[] {
  const targetSessionKey = params.targetSessionKey.trim();
  if (!targetSessionKey) {
    return [];
  }
  const now = Date.now();
  const updated: TelegramThreadBindingRecord[] = [];
  for (const entry of params.manager.listBySessionKey(targetSessionKey)) {
    const key = resolveBindingKey({
      accountId: params.manager.accountId,
      conversationId: entry.conversationId,
    });
    const next = params.update(entry, now);
    getThreadBindingsState().bindingsByAccountConversation.set(key, next);
    persistBindingMutation({
      accountId: params.manager.accountId,
      persist: params.manager.shouldPersistMutations(),
      binding: next,
      reason: "session-lifecycle-update",
    });
    updated.push(next);
  }
  return updated;
}

export function setTelegramThreadBindingIdleTimeoutBySessionKey(params: {
  targetSessionKey: string;
  accountId?: string;
  idleTimeoutMs: number;
}): TelegramThreadBindingRecord[] {
  const manager = getTelegramThreadBindingManager(params.accountId);
  if (!manager) {
    return [];
  }
  const idleTimeoutMs = normalizeDurationMs(params.idleTimeoutMs, 0);
  return updateTelegramBindingsBySessionKey({
    manager,
    targetSessionKey: params.targetSessionKey,
    update: (entry, now) => ({
      ...entry,
      idleTimeoutMs,
      lastActivityAt: now,
    }),
  });
}

export function setTelegramThreadBindingMaxAgeBySessionKey(params: {
  targetSessionKey: string;
  accountId?: string;
  maxAgeMs: number;
}): TelegramThreadBindingRecord[] {
  const manager = getTelegramThreadBindingManager(params.accountId);
  if (!manager) {
    return [];
  }
  const maxAgeMs = normalizeDurationMs(params.maxAgeMs, 0);
  return updateTelegramBindingsBySessionKey({
    manager,
    targetSessionKey: params.targetSessionKey,
    update: (entry, now) => ({
      ...entry,
      maxAgeMs,
      lastActivityAt: now,
    }),
  });
}

/* oxlint-disable max-lines -- TODO: split this grandfathered oversized file. */