import { CHAT_CHANNEL_ORDER, type ChatChannelId } from "../channels/ids.js";
import { emptyChannelConfigSchema } from "../channels/plugins/config-schema.js";
import { buildAccountScopedDmSecurityPolicy } from "../channels/plugins/helpers.js";
import {
  createScopedAccountReplyToModeResolver,
  createTopLevelChannelReplyToModeResolver,
} from "../channels/plugins/threading-helpers.js";
import type {
  ChannelOutboundAdapter,
  ChannelPairingAdapter,
  ChannelSecurityAdapter,
} from "../channels/plugins/types.adapters.js";
import type {
  ChannelMessagingAdapter,
  ChannelOutboundSessionRoute,
  ChannelPollResult,
  ChannelThreadingAdapter,
} from "../channels/plugins/types.core.js";
import type { ChannelMeta } from "../channels/plugins/types.js";
import type { ChannelConfigSchema, ChannelPlugin } from "../channels/plugins/types.plugin.js";
import type { OpenClawConfig } from "../config/config.js";
import type { ReplyToMode } from "../config/types.base.js";
import { buildOutboundBaseSessionKey } from "../infra/outbound/base-session-key.js";
import type { OutboundDeliveryResult } from "../infra/outbound/deliver.js";
import { listBundledPluginMetadata } from "../plugins/bundled-plugin-metadata.js";
import type { PluginPackageChannel } from "../plugins/manifest.js";
import type { PluginRuntime } from "../plugins/runtime/types.js";
import type { OpenClawPluginApi } from "../plugins/types.js";

export type {
  AnyAgentTool,
  MediaUnderstandingProviderPlugin,
  OpenClawPluginApi,
  OpenClawPluginCommandDefinition,
  OpenClawPluginConfigSchema,
  OpenClawPluginDefinition,
  OpenClawPluginService,
  OpenClawPluginServiceContext,
  PluginCommandContext,
  PluginLogger,
  ProviderAuthContext,
  ProviderAuthDoctorHintContext,
  ProviderAuthMethod,
  ProviderAuthMethodNonInteractiveContext,
  ProviderAuthResult,
  ProviderAugmentModelCatalogContext,
  ProviderBuildMissingAuthMessageContext,
  ProviderBuildUnknownModelHintContext,
  ProviderBuiltInModelSuppressionContext,
  ProviderBuiltInModelSuppressionResult,
  ProviderCacheTtlEligibilityContext,
  ProviderCatalogContext,
  ProviderCatalogResult,
  ProviderDefaultThinkingPolicyContext,
  ProviderDiscoveryContext,
  ProviderFetchUsageSnapshotContext,
  ProviderModernModelPolicyContext,
  ProviderNormalizeResolvedModelContext,
  ProviderNormalizeToolSchemasContext,
  ProviderPrepareDynamicModelContext,
  ProviderPrepareExtraParamsContext,
  ProviderPrepareRuntimeAuthContext,
  ProviderPreparedRuntimeAuth,
  ProviderReasoningOutputMode,
  ProviderReasoningOutputModeContext,
  ProviderReplayPolicy,
  ProviderReplayPolicyContext,
  ProviderReplaySessionEntry,
  ProviderReplaySessionState,
  ProviderResolveDynamicModelContext,
  ProviderResolveTransportTurnStateContext,
  ProviderResolveWebSocketSessionPolicyContext,
  ProviderResolvedUsageAuth,
  RealtimeTranscriptionProviderPlugin,
  ProviderSanitizeReplayHistoryContext,
  ProviderTransportTurnState,
  ProviderToolSchemaDiagnostic,
  ProviderResolveUsageAuthContext,
  ProviderRuntimeModel,
  ProviderThinkingPolicyContext,
  ProviderValidateReplayTurnsContext,
  ProviderWebSocketSessionPolicy,
  ProviderWrapStreamFnContext,
  SpeechProviderPlugin,
} from "./plugin-entry.js";
export type { OpenClawPluginToolContext, OpenClawPluginToolFactory } from "../plugins/types.js";
export type { OpenClawConfig } from "../config/config.js";
export type { OutboundIdentity } from "../infra/outbound/identity.js";
export type { HistoryEntry } from "../auto-reply/reply/history.js";
export type { ReplyPayload } from "../auto-reply/types.js";
export type { AllowlistMatch } from "../channels/allowlist-match.js";
export type {
  BaseProbeResult,
  ChannelAccountSnapshot,
  ChannelGroupContext,
  ChannelMessageActionName,
  ChannelMeta,
  ChannelSetupInput,
} from "../channels/plugins/types.js";
export type { ChatType } from "../channels/chat-type.js";
export type { NormalizedLocation } from "../channels/location.js";
export type { ChannelDirectoryEntry } from "../channels/plugins/types.core.js";
export type { ChannelOutboundAdapter } from "../channels/plugins/types.adapters.js";
export type { PollInput } from "../polls.js";
export { isSecretRef } from "../config/types.secrets.js";
export type { GatewayRequestHandlerOptions } from "../gateway/server-methods/types.js";
export type {
  ChannelOutboundSessionRoute,
  ChannelMessagingAdapter,
} from "../channels/plugins/types.core.js";

function createInlineTextPairingAdapter(params: {
  idLabel: string;
  message: string;
  normalizeAllowEntry?: ChannelPairingAdapter["normalizeAllowEntry"];
  notify: (
    params: Parameters<NonNullable<ChannelPairingAdapter["notifyApproval"]>>[0] & {
      message: string;
    },
  ) => Promise<void> | void;
}): ChannelPairingAdapter {
  return {
    idLabel: params.idLabel,
    normalizeAllowEntry: params.normalizeAllowEntry,
    notifyApproval: async (ctx) => {
      await params.notify({ ...ctx, message: params.message });
    },
  };
}
export type {
  ProviderUsageSnapshot,
  UsageProviderId,
  UsageWindow,
} from "../infra/provider-usage.types.js";
export type { ChannelMessageActionContext } from "../channels/plugins/types.js";
export type { ChannelConfigUiHint, ChannelPlugin } from "../channels/plugins/types.plugin.js";
export type { PluginRuntime, RuntimeLogger } from "../plugins/runtime/types.js";
export type { WizardPrompter } from "../wizard/prompts.js";

export { definePluginEntry } from "./plugin-entry.js";
export { buildPluginConfigSchema, emptyPluginConfigSchema } from "../plugins/config-schema.js";
export { KeyedAsyncQueue, enqueueKeyedTask } from "./keyed-async-queue.js";
export { createDedupeCache, resolveGlobalDedupeCache } from "../infra/dedupe.js";
export { generateSecureToken, generateSecureUuid } from "../infra/secure-random.js";
export { delegateCompactionToRuntime } from "../context-engine/delegate.js";
export { DEFAULT_ACCOUNT_ID, normalizeAccountId } from "../routing/session-key.js";
export {
  buildChannelConfigSchema,
  emptyChannelConfigSchema,
} from "../channels/plugins/config-schema.js";
export {
  applyAccountNameToChannelSection,
  migrateBaseNameToDefaultAccount,
} from "../channels/plugins/setup-helpers.js";
export {
  clearAccountEntryFields,
  deleteAccountFromConfigSection,
  setAccountEnabledInConfigSection,
} from "../channels/plugins/config-helpers.js";
export {
  formatPairingApproveHint,
  parseOptionalDelimitedEntries,
} from "../channels/plugins/helpers.js";
export {
  channelTargetSchema,
  channelTargetsSchema,
  optionalStringEnum,
  stringEnum,
} from "../agents/schema/typebox.js";
export {
  DEFAULT_SECRET_FILE_MAX_BYTES,
  loadSecretFileSync,
  readSecretFileSync,
  tryReadSecretFileSync,
} from "../infra/secret-file.js";
export type { SecretFileReadOptions, SecretFileReadResult } from "../infra/secret-file.js";

export { resolveGatewayBindUrl } from "../shared/gateway-bind-url.js";
export type { GatewayBindUrlResult } from "../shared/gateway-bind-url.js";
export { resolveGatewayPort } from "../config/paths.js";
export { createSubsystemLogger } from "../logging/subsystem.js";
export { normalizeAtHashSlug, normalizeHyphenSlug } from "../shared/string-normalization.js";
export { createActionGate } from "../agents/tools/common.js";
export {
  jsonResult,
  readNumberParam,
  readReactionParams,
  readStringArrayParam,
  readStringParam,
} from "../agents/tools/common.js";
export { parseStrictPositiveInteger } from "../infra/parse-finite-number.js";
export { isTrustedProxyAddress, resolveClientIp } from "../gateway/net.js";
export { formatZonedTimestamp } from "../infra/format-time/format-datetime.js";
export { ensureConfiguredAcpBindingReady } from "../acp/persistent-bindings.lifecycle.js";
export { resolveConfiguredAcpBindingRecord } from "../acp/persistent-bindings.resolve.js";

export { resolveTailnetHostWithRunner } from "../shared/tailscale-status.js";
export type {
  TailscaleStatusCommandResult,
  TailscaleStatusCommandRunner,
} from "../shared/tailscale-status.js";
export {
  buildAgentSessionKey,
  type RoutePeer,
  type RoutePeerKind,
} from "../routing/resolve-route.js";
export { resolveThreadSessionKeys } from "../routing/session-key.js";

export type ChannelOutboundSessionRouteParams = Parameters<
  NonNullable<ChannelMessagingAdapter["resolveOutboundSessionRoute"]>
>[0];

var cachedSdkChatChannelMeta: ReturnType<typeof buildChatChannelMetaById> | undefined;
var cachedSdkChatChannelIdSet: Set<string> | undefined;

function getSdkChatChannelIdSet(): Set<string> {
  cachedSdkChatChannelIdSet ??= new Set(CHAT_CHANNEL_ORDER);
  return cachedSdkChatChannelIdSet;
}

function toSdkChatChannelMeta(params: {
  id: ChatChannelId;
  channel: PluginPackageChannel;
}): ChannelMeta {
  const label = params.channel.label?.trim();
  if (!label) {
    throw new Error(`Missing label for bundled chat channel "${params.id}"`);
  }
  return {
    id: params.id,
    label,
    selectionLabel: params.channel.selectionLabel?.trim() || label,
    docsPath: params.channel.docsPath?.trim() || `/channels/${params.id}`,
    docsLabel: params.channel.docsLabel?.trim() || undefined,
    blurb: params.channel.blurb?.trim() || "",
    ...(params.channel.aliases?.length ? { aliases: params.channel.aliases } : {}),
    ...(params.channel.order !== undefined ? { order: params.channel.order } : {}),
    ...(params.channel.selectionDocsPrefix !== undefined
      ? { selectionDocsPrefix: params.channel.selectionDocsPrefix }
      : {}),
    ...(params.channel.selectionDocsOmitLabel !== undefined
      ? { selectionDocsOmitLabel: params.channel.selectionDocsOmitLabel }
      : {}),
    ...(params.channel.selectionExtras?.length
      ? { selectionExtras: params.channel.selectionExtras }
      : {}),
    ...(params.channel.detailLabel?.trim()
      ? { detailLabel: params.channel.detailLabel.trim() }
      : {}),
    ...(params.channel.systemImage?.trim()
      ? { systemImage: params.channel.systemImage.trim() }
      : {}),
    ...(params.channel.markdownCapable !== undefined
      ? { markdownCapable: params.channel.markdownCapable }
      : {}),
    ...(params.channel.showConfigured !== undefined
      ? { showConfigured: params.channel.showConfigured }
      : {}),
    ...(params.channel.quickstartAllowFrom !== undefined
      ? { quickstartAllowFrom: params.channel.quickstartAllowFrom }
      : {}),
    ...(params.channel.forceAccountBinding !== undefined
      ? { forceAccountBinding: params.channel.forceAccountBinding }
      : {}),
    ...(params.channel.preferSessionLookupForAnnounceTarget !== undefined
      ? {
          preferSessionLookupForAnnounceTarget: params.channel.preferSessionLookupForAnnounceTarget,
        }
      : {}),
    ...(params.channel.preferOver?.length ? { preferOver: params.channel.preferOver } : {}),
  };
}

function buildChatChannelMetaById(): Record<ChatChannelId, ChannelMeta> {
  const entries = new Map<ChatChannelId, ChannelMeta>();
  for (const entry of listBundledPluginMetadata({
    includeChannelConfigs: true,
    includeSyntheticChannelConfigs: false,
  })) {
    const channel =
      entry.packageManifest && "channel" in entry.packageManifest
        ? entry.packageManifest.channel
        : undefined;
    if (!channel) {
      continue;
    }
    const rawId = channel.id?.trim();
    if (!rawId || !getSdkChatChannelIdSet().has(rawId)) {
      continue;
    }
    const id = rawId;
    entries.set(
      id,
      toSdkChatChannelMeta({
        id,
        channel,
      }),
    );
  }
  return Object.freeze(Object.fromEntries(entries)) as Record<ChatChannelId, ChannelMeta>;
}

function resolveSdkChatChannelMeta(id: string) {
  cachedSdkChatChannelMeta ??= buildChatChannelMetaById();
  return cachedSdkChatChannelMeta[id];
}

export function getChatChannelMeta(id: ChatChannelId): ChannelMeta {
  return resolveSdkChatChannelMeta(id);
}

/** Remove one of the known provider prefixes from a free-form target string. */
export function stripChannelTargetPrefix(raw: string, ...providers: string[]): string {
  const trimmed = raw.trim();
  for (const provider of providers) {
    const prefix = `${provider.toLowerCase()}:`;
    if (trimmed.toLowerCase().startsWith(prefix)) {
      return trimmed.slice(prefix.length).trim();
    }
  }
  return trimmed;
}

/** Remove generic target-kind prefixes such as `user:` or `group:`. */
export function stripTargetKindPrefix(raw: string): string {
  return raw.replace(/^(user|channel|group|conversation|room|dm):/i, "").trim();
}

/**
 * Build the canonical outbound session route payload returned by channel
 * message adapters.
 */
export function buildChannelOutboundSessionRoute(params: {
  cfg: OpenClawConfig;
  agentId: string;
  channel: string;
  accountId?: string | null;
  peer: { kind: "direct" | "group" | "channel"; id: string };
  chatType: "direct" | "group" | "channel";
  from: string;
  to: string;
  threadId?: string | number;
}): ChannelOutboundSessionRoute {
  const baseSessionKey = buildOutboundBaseSessionKey({
    cfg: params.cfg,
    agentId: params.agentId,
    channel: params.channel,
    accountId: params.accountId,
    peer: params.peer,
  });
  return {
    sessionKey: baseSessionKey,
    baseSessionKey,
    peer: params.peer,
    chatType: params.chatType,
    from: params.from,
    to: params.to,
    ...(params.threadId !== undefined ? { threadId: params.threadId } : {}),
  };
}

/** Options for a channel plugin entry that should register a channel capability. */
type ChannelEntryConfigSchema<TPlugin> =
  TPlugin extends ChannelPlugin<unknown>
    ? NonNullable<TPlugin["configSchema"]>
    : ChannelConfigSchema;

type DefineChannelPluginEntryOptions<TPlugin = ChannelPlugin> = {
  id: string;
  name: string;
  description: string;
  plugin: TPlugin;
  configSchema?: ChannelEntryConfigSchema<TPlugin> | (() => ChannelEntryConfigSchema<TPlugin>);
  setRuntime?: (runtime: PluginRuntime) => void;
  registerCliMetadata?: (api: OpenClawPluginApi) => void;
  registerFull?: (api: OpenClawPluginApi) => void;
};

type DefinedChannelPluginEntry<TPlugin> = {
  id: string;
  name: string;
  description: string;
  configSchema: ChannelEntryConfigSchema<TPlugin>;
  register: (api: OpenClawPluginApi) => void;
  channelPlugin: TPlugin;
  setChannelRuntime?: (runtime: PluginRuntime) => void;
};

type CreateChannelPluginBaseOptions<TResolvedAccount> = {
  id: ChannelPlugin<TResolvedAccount>["id"];
  meta?: Partial<NonNullable<ChannelPlugin<TResolvedAccount>["meta"]>>;
  setupWizard?: NonNullable<ChannelPlugin<TResolvedAccount>["setupWizard"]>;
  capabilities?: ChannelPlugin<TResolvedAccount>["capabilities"];
  commands?: ChannelPlugin<TResolvedAccount>["commands"];
  doctor?: ChannelPlugin<TResolvedAccount>["doctor"];
  agentPrompt?: ChannelPlugin<TResolvedAccount>["agentPrompt"];
  streaming?: ChannelPlugin<TResolvedAccount>["streaming"];
  reload?: ChannelPlugin<TResolvedAccount>["reload"];
  gatewayMethods?: ChannelPlugin<TResolvedAccount>["gatewayMethods"];
  configSchema?: ChannelPlugin<TResolvedAccount>["configSchema"];
  config?: ChannelPlugin<TResolvedAccount>["config"];
  security?: ChannelPlugin<TResolvedAccount>["security"];
  setup: NonNullable<ChannelPlugin<TResolvedAccount>["setup"]>;
  groups?: ChannelPlugin<TResolvedAccount>["groups"];
};

type CreatedChannelPluginBase<TResolvedAccount> = Pick<
  ChannelPlugin<TResolvedAccount>,
  "id" | "meta" | "setup"
> &
  Partial<
    Pick<
      ChannelPlugin<TResolvedAccount>,
      | "setupWizard"
      | "capabilities"
      | "commands"
      | "doctor"
      | "agentPrompt"
      | "streaming"
      | "reload"
      | "gatewayMethods"
      | "configSchema"
      | "config"
      | "security"
      | "groups"
    >
  >;

/**
 * Canonical entry helper for channel plugins.
 *
 * This wraps `definePluginEntry(...)`, registers the channel capability, and
 * optionally exposes extra full-runtime registration such as tools or gateway
 * handlers that only make sense outside setup-only registration modes.
 */
export function defineChannelPluginEntry<TPlugin>({
  id,
  name,
  description,
  plugin,
  configSchema,
  setRuntime,
  registerCliMetadata,
  registerFull,
}: DefineChannelPluginEntryOptions<TPlugin>): DefinedChannelPluginEntry<TPlugin> {
  const resolvedConfigSchema: ChannelEntryConfigSchema<TPlugin> =
    typeof configSchema === "function"
      ? configSchema()
      : ((configSchema ?? emptyChannelConfigSchema()) as ChannelEntryConfigSchema<TPlugin>);
  const entry = {
    id,
    name,
    description,
    configSchema: resolvedConfigSchema,
    register(api: OpenClawPluginApi) {
      if (api.registrationMode === "cli-metadata") {
        registerCliMetadata?.(api);
        return;
      }
      setRuntime?.(api.runtime);
      api.registerChannel({ plugin: plugin as ChannelPlugin });
      if (api.registrationMode !== "full") {
        return;
      }
      registerCliMetadata?.(api);
      registerFull?.(api);
    },
  };
  return {
    ...entry,
    channelPlugin: plugin,
    ...(setRuntime ? { setChannelRuntime: setRuntime } : {}),
  };
}

/**
 * Minimal setup-entry helper for channels that ship a separate `setup-entry.ts`.
 *
 * The setup entry only needs to export `{ plugin }`, but using this helper
 * keeps the shape explicit in examples and generated typings.
 */
export function defineSetupPluginEntry<TPlugin>(plugin: TPlugin) {
  return { plugin };
}

type ChatChannelPluginBase<TResolvedAccount, Probe, Audit> = Omit<
  ChannelPlugin<TResolvedAccount, Probe, Audit>,
  "security" | "pairing" | "threading" | "outbound"
> &
  Partial<
    Pick<
      ChannelPlugin<TResolvedAccount, Probe, Audit>,
      "security" | "pairing" | "threading" | "outbound"
    >
  >;

type ChatChannelSecurityOptions<TResolvedAccount extends { accountId?: string | null }> = {
  dm: {
    channelKey: string;
    resolvePolicy: (account: TResolvedAccount) => string | null | undefined;
    resolveAllowFrom: (account: TResolvedAccount) => Array<string | number> | null | undefined;
    resolveFallbackAccountId?: (account: TResolvedAccount) => string | null | undefined;
    defaultPolicy?: string;
    allowFromPathSuffix?: string;
    policyPathSuffix?: string;
    approveChannelId?: string;
    approveHint?: string;
    normalizeEntry?: (raw: string) => string;
  };
  collectWarnings?: ChannelSecurityAdapter<TResolvedAccount>["collectWarnings"];
  collectAuditFindings?: ChannelSecurityAdapter<TResolvedAccount>["collectAuditFindings"];
};

type ChatChannelPairingOptions = {
  text: {
    idLabel: string;
    message: string;
    normalizeAllowEntry?: ChannelPairingAdapter["normalizeAllowEntry"];
    notify: (
      params: Parameters<NonNullable<ChannelPairingAdapter["notifyApproval"]>>[0] & {
        message: string;
      },
    ) => Promise<void> | void;
  };
};

type ChatChannelThreadingReplyModeOptions<TResolvedAccount> =
  | { topLevelReplyToMode: string }
  | {
      scopedAccountReplyToMode: {
        resolveAccount: (cfg: OpenClawConfig, accountId?: string | null) => TResolvedAccount;
        resolveReplyToMode: (
          account: TResolvedAccount,
          chatType?: string | null,
        ) => ReplyToMode | null | undefined;
        fallback?: ReplyToMode;
      };
    }
  | {
      resolveReplyToMode: NonNullable<ChannelThreadingAdapter["resolveReplyToMode"]>;
    };

type ChatChannelThreadingOptions<TResolvedAccount> =
  ChatChannelThreadingReplyModeOptions<TResolvedAccount> &
    Omit<ChannelThreadingAdapter, "resolveReplyToMode">;

type ChatChannelAttachedOutboundOptions = {
  base: Omit<ChannelOutboundAdapter, "sendText" | "sendMedia" | "sendPoll">;
  attachedResults: {
    channel: string;
    sendText?: (
      ctx: Parameters<NonNullable<ChannelOutboundAdapter["sendText"]>>[0],
    ) => MaybePromise<Omit<OutboundDeliveryResult, "channel">>;
    sendMedia?: (
      ctx: Parameters<NonNullable<ChannelOutboundAdapter["sendMedia"]>>[0],
    ) => MaybePromise<Omit<OutboundDeliveryResult, "channel">>;
    sendPoll?: (
      ctx: Parameters<NonNullable<ChannelOutboundAdapter["sendPoll"]>>[0],
    ) => MaybePromise<Omit<ChannelPollResult, "channel">>;
  };
};

type MaybePromise<T> = T | Promise<T>;

function createInlineAttachedChannelResultAdapter(
  params: ChatChannelAttachedOutboundOptions["attachedResults"],
) {
  return {
    sendText: params.sendText
      ? async (ctx: Parameters<NonNullable<ChannelOutboundAdapter["sendText"]>>[0]) => ({
          channel: params.channel,
          ...(await params.sendText!(ctx)),
        })
      : undefined,
    sendMedia: params.sendMedia
      ? async (ctx: Parameters<NonNullable<ChannelOutboundAdapter["sendMedia"]>>[0]) => ({
          channel: params.channel,
          ...(await params.sendMedia!(ctx)),
        })
      : undefined,
    sendPoll: params.sendPoll
      ? async (ctx: Parameters<NonNullable<ChannelOutboundAdapter["sendPoll"]>>[0]) => ({
          channel: params.channel,
          ...(await params.sendPoll!(ctx)),
        })
      : undefined,
  } satisfies Pick<ChannelOutboundAdapter, "sendText" | "sendMedia" | "sendPoll">;
}

function resolveChatChannelSecurity<TResolvedAccount extends { accountId?: string | null }>(
  security:
    | ChannelSecurityAdapter<TResolvedAccount>
    | ChatChannelSecurityOptions<TResolvedAccount>
    | undefined,
): ChannelSecurityAdapter<TResolvedAccount> | undefined {
  if (!security) {
    return undefined;
  }
  if (!("dm" in security)) {
    return security;
  }
  return {
    resolveDmPolicy: ({ cfg, accountId, account }) =>
      buildAccountScopedDmSecurityPolicy({
        cfg,
        channelKey: security.dm.channelKey,
        accountId,
        fallbackAccountId: security.dm.resolveFallbackAccountId?.(account) ?? account.accountId,
        policy: security.dm.resolvePolicy(account),
        allowFrom: security.dm.resolveAllowFrom(account) ?? [],
        defaultPolicy: security.dm.defaultPolicy,
        allowFromPathSuffix: security.dm.allowFromPathSuffix,
        policyPathSuffix: security.dm.policyPathSuffix,
        approveChannelId: security.dm.approveChannelId,
        approveHint: security.dm.approveHint,
        normalizeEntry: security.dm.normalizeEntry,
      }),
    ...(security.collectWarnings ? { collectWarnings: security.collectWarnings } : {}),
    ...(security.collectAuditFindings
      ? { collectAuditFindings: security.collectAuditFindings }
      : {}),
  };
}

function resolveChatChannelPairing(
  pairing: ChannelPairingAdapter | ChatChannelPairingOptions | undefined,
): ChannelPairingAdapter | undefined {
  if (!pairing) {
    return undefined;
  }
  if (!("text" in pairing)) {
    return pairing;
  }
  return createInlineTextPairingAdapter(pairing.text);
}

function resolveChatChannelThreading<TResolvedAccount>(
  threading: ChannelThreadingAdapter | ChatChannelThreadingOptions<TResolvedAccount> | undefined,
): ChannelThreadingAdapter | undefined {
  if (!threading) {
    return undefined;
  }
  if (!("topLevelReplyToMode" in threading) && !("scopedAccountReplyToMode" in threading)) {
    return threading;
  }

  let resolveReplyToMode: ChannelThreadingAdapter["resolveReplyToMode"];
  if ("topLevelReplyToMode" in threading) {
    resolveReplyToMode = createTopLevelChannelReplyToModeResolver(threading.topLevelReplyToMode);
  } else {
    resolveReplyToMode = createScopedAccountReplyToModeResolver<TResolvedAccount>(
      threading.scopedAccountReplyToMode,
    );
  }

  return {
    ...threading,
    resolveReplyToMode,
  };
}

function resolveChatChannelOutbound(
  outbound: ChannelOutboundAdapter | ChatChannelAttachedOutboundOptions | undefined,
): ChannelOutboundAdapter | undefined {
  if (!outbound) {
    return undefined;
  }
  if (!("attachedResults" in outbound)) {
    return outbound;
  }
  return {
    ...outbound.base,
    ...createInlineAttachedChannelResultAdapter(outbound.attachedResults),
  };
}

// Shared higher-level builder for chat-style channels that mostly compose
// scoped DM security, text pairing, reply threading, and attached send results.
export function createChatChannelPlugin<
  TResolvedAccount extends { accountId?: string | null },
  Probe = unknown,
  Audit = unknown,
>(params: {
  base: ChatChannelPluginBase<TResolvedAccount, Probe, Audit>;
  security?:
    | ChannelSecurityAdapter<TResolvedAccount>
    | ChatChannelSecurityOptions<TResolvedAccount>;
  pairing?: ChannelPairingAdapter | ChatChannelPairingOptions;
  threading?: ChannelThreadingAdapter | ChatChannelThreadingOptions<TResolvedAccount>;
  outbound?: ChannelOutboundAdapter | ChatChannelAttachedOutboundOptions;
}): ChannelPlugin<TResolvedAccount, Probe, Audit> {
  return {
    ...params.base,
    conversationBindings: {
      supportsCurrentConversationBinding: true,
      ...params.base.conversationBindings,
    },
    ...(params.security ? { security: resolveChatChannelSecurity(params.security) } : {}),
    ...(params.pairing ? { pairing: resolveChatChannelPairing(params.pairing) } : {}),
    ...(params.threading ? { threading: resolveChatChannelThreading(params.threading) } : {}),
    ...(params.outbound ? { outbound: resolveChatChannelOutbound(params.outbound) } : {}),
  } as ChannelPlugin<TResolvedAccount, Probe, Audit>;
}

// Shared base object for channel plugins that only need to override a few optional surfaces.
export function createChannelPluginBase<TResolvedAccount>(
  params: CreateChannelPluginBaseOptions<TResolvedAccount>,
): CreatedChannelPluginBase<TResolvedAccount> {
  return {
    id: params.id,
    meta: {
      ...resolveSdkChatChannelMeta(params.id),
      ...params.meta,
    },
    ...(params.setupWizard ? { setupWizard: params.setupWizard } : {}),
    ...(params.capabilities ? { capabilities: params.capabilities } : {}),
    ...(params.commands ? { commands: params.commands } : {}),
    ...(params.doctor ? { doctor: params.doctor } : {}),
    ...(params.agentPrompt ? { agentPrompt: params.agentPrompt } : {}),
    ...(params.streaming ? { streaming: params.streaming } : {}),
    ...(params.reload ? { reload: params.reload } : {}),
    ...(params.gatewayMethods ? { gatewayMethods: params.gatewayMethods } : {}),
    ...(params.configSchema ? { configSchema: params.configSchema } : {}),
    ...(params.config ? { config: params.config } : {}),
    ...(params.security ? { security: params.security } : {}),
    ...(params.groups ? { groups: params.groups } : {}),
    setup: params.setup,
  } as CreatedChannelPluginBase<TResolvedAccount>;
}