// Copyright 2023 Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only

import Long from 'long';
import type { Call, PeekInfo, LocalDeviceState } from '@signalapp/ringrtc';
import {
  CallState,
  ConnectionState,
  JoinState,
  callIdFromEra,
  callIdFromRingId,
  RingUpdate,
} from '@signalapp/ringrtc';
import { v4 as generateGuid } from 'uuid';
import { strictAssert } from './assert';
import { SignalService as Proto } from '../protobuf';
import { bytesToUuid, uuidToBytes } from './uuidToBytes';
import { missingCaseError } from './missingCaseError';
import {
  CallEndedReason,
  CallMode,
  GroupCallJoinState,
} from '../types/Calling';
import type { AciString } from '../types/ServiceId';
import { isAciString } from './isAciString';
import { isMe } from './whatTypeOfConversation';
import * as log from '../logging/log';
import * as Errors from '../types/errors';
import { incrementMessageCounter } from './incrementMessageCounter';
import { ReadStatus, maxReadStatus } from '../messages/MessageReadStatus';
import { SeenStatus, maxSeenStatus } from '../MessageSeenStatus';
import { canConversationBeUnarchived } from './canConversationBeUnarchived';
import type {
  ConversationAttributesType,
  MessageAttributesType,
} from '../model-types';
import { singleProtoJobQueue } from '../jobs/singleProtoJobQueue';
import MessageSender from '../textsecure/SendMessage';
import * as Bytes from '../Bytes';
import type {
  CallDetails,
  CallEvent,
  CallEventDetails,
  CallHistoryDetails,
  CallHistoryGroup,
  CallStatus,
  GroupCallMeta,
} from '../types/CallDisposition';
import {
  DirectCallStatus,
  GroupCallStatus,
  callEventNormalizeSchema,
  CallType,
  CallDirection,
  callEventDetailsSchema,
  LocalCallEvent,
  RemoteCallEvent,
  callHistoryDetailsSchema,
  callDetailsSchema,
} from '../types/CallDisposition';
import type { ConversationType } from '../state/ducks/conversations';
import type { ConversationModel } from '../models/conversations';

// utils
// -----

export function formatCallEvent(callEvent: CallEventDetails): string {
  const { callId, peerId, direction, event, type, mode, timestamp } = callEvent;
  return `CallEvent (${callId}, ${peerId}, ${mode}, ${event}, ${direction}, ${type}, ${mode}, ${timestamp})`;
}

export function formatCallHistory(callHistory: CallHistoryDetails): string {
  const { callId, peerId, direction, status, type, mode, timestamp } =
    callHistory;
  return `CallHistory (${callId}, ${peerId}, ${mode}, ${status}, ${direction}, ${type}, ${mode}, ${timestamp})`;
}

export function formatCallHistoryGroup(
  callHistoryGroup: CallHistoryGroup
): string {
  const { peerId, direction, status, type, mode, timestamp } = callHistoryGroup;
  return `CallHistoryGroup (${peerId}, ${mode}, ${status}, ${direction}, ${type}, ${mode}, ${timestamp})`;
}

export function formatPeekInfo(peekInfo: PeekInfo): string {
  const { eraId, deviceCount, creator } = peekInfo;
  const callId = eraId != null ? getCallIdFromEra(eraId) : null;
  const creatorAci = creator != null ? getCreatorAci(creator) : null;
  return `PeekInfo (${eraId}, ${callId}, ${creatorAci}, ${deviceCount})`;
}

export function formatLocalDeviceState(
  localDeviceState: LocalDeviceState
): string {
  const connectionState = ConnectionState[localDeviceState.connectionState];
  const joinState = JoinState[localDeviceState.joinState];
  return `LocalDeviceState (${connectionState}, ${joinState})`;
}

export function getCallIdFromRing(ringId: bigint): string {
  return Long.fromValue(callIdFromRingId(ringId)).toString();
}

export function getCallIdFromEra(eraId: string): string {
  return Long.fromValue(callIdFromEra(eraId)).toString();
}

export function getCreatorAci(creator: Buffer): AciString {
  const aci = bytesToUuid(creator);
  strictAssert(aci != null, 'creator uuid buffer was not a valid uuid');
  strictAssert(isAciString(aci), 'creator uuid buffer was not a valid aci');
  return aci;
}

export function getGroupCallMeta(
  peekInfo: PeekInfo | null
): GroupCallMeta | null {
  if (peekInfo?.eraId == null || peekInfo?.creator == null) {
    return null;
  }
  const callId = getCallIdFromEra(peekInfo.eraId);
  const ringerId = bytesToUuid(peekInfo.creator);
  strictAssert(ringerId != null, 'peekInfo.creator was invalid uuid');
  strictAssert(isAciString(ringerId), 'peekInfo.creator was invalid aci');
  return { callId, ringerId };
}

export function getPeerIdFromConversation(
  conversation: ConversationAttributesType | ConversationType
): AciString | string {
  if (conversation.type === 'direct' || conversation.type === 'private') {
    strictAssert(
      isAciString(conversation.serviceId),
      'ACI must exist for direct chat'
    );
    return conversation.serviceId;
  }
  strictAssert(
    conversation.groupId != null,
    'groupId must exist for group chat'
  );
  return conversation.groupId;
}

export function convertJoinState(joinState: JoinState): GroupCallJoinState {
  if (joinState === JoinState.Joined) {
    return GroupCallJoinState.Joined;
  }
  if (joinState === JoinState.Joining) {
    return GroupCallJoinState.Joining;
  }
  if (joinState === JoinState.NotJoined) {
    return GroupCallJoinState.NotJoined;
  }
  if (joinState === JoinState.Pending) {
    return GroupCallJoinState.Pending;
  }
  throw missingCaseError(joinState);
}

// Call Events <-> Protos
// ----------------------

export function getCallEventForProto(
  callEventProto: Proto.SyncMessage.ICallEvent
): CallEventDetails {
  const callEvent = callEventNormalizeSchema.parse(callEventProto);
  const { callId, peerId, timestamp } = callEvent;

  let type: CallType;
  if (callEvent.type === Proto.SyncMessage.CallEvent.Type.GROUP_CALL) {
    type = CallType.Group;
  } else if (callEvent.type === Proto.SyncMessage.CallEvent.Type.AUDIO_CALL) {
    type = CallType.Audio;
  } else if (callEvent.type === Proto.SyncMessage.CallEvent.Type.VIDEO_CALL) {
    type = CallType.Video;
  } else {
    throw new TypeError(`Unknown call type ${callEvent.type}`);
  }

  let mode: CallMode;
  if (type === CallType.Group) {
    mode = CallMode.Group;
  } else {
    mode = CallMode.Direct;
  }

  let direction: CallDirection;
  if (callEvent.direction === Proto.SyncMessage.CallEvent.Direction.INCOMING) {
    direction = CallDirection.Incoming;
  } else if (
    callEvent.direction === Proto.SyncMessage.CallEvent.Direction.OUTGOING
  ) {
    direction = CallDirection.Outgoing;
  } else {
    throw new TypeError(`Unknown call direction ${callEvent.direction}`);
  }

  let event: RemoteCallEvent;
  if (callEvent.event === Proto.SyncMessage.CallEvent.Event.ACCEPTED) {
    event = RemoteCallEvent.Accepted;
  } else if (
    callEvent.event === Proto.SyncMessage.CallEvent.Event.NOT_ACCEPTED
  ) {
    event = RemoteCallEvent.NotAccepted;
  } else if (callEvent.event === Proto.SyncMessage.CallEvent.Event.DELETE) {
    event = RemoteCallEvent.Delete;
  } else {
    throw new TypeError(`Unknown call event ${callEvent.event}`);
  }

  return callEventDetailsSchema.parse({
    callId,
    peerId,
    ringerId: null,
    mode,
    type,
    direction,
    timestamp,
    event,
  });
}

const directionToProto = {
  [CallDirection.Incoming]: Proto.SyncMessage.CallEvent.Direction.INCOMING,
  [CallDirection.Outgoing]: Proto.SyncMessage.CallEvent.Direction.OUTGOING,
};

const typeToProto = {
  [CallType.Audio]: Proto.SyncMessage.CallEvent.Type.AUDIO_CALL,
  [CallType.Video]: Proto.SyncMessage.CallEvent.Type.VIDEO_CALL,
  [CallType.Group]: Proto.SyncMessage.CallEvent.Type.GROUP_CALL,
};

const statusToProto: Record<
  CallStatus,
  Proto.SyncMessage.CallEvent.Event | null
> = {
  [DirectCallStatus.Accepted]: Proto.SyncMessage.CallEvent.Event.ACCEPTED, // and GroupCallStatus.Accepted
  [DirectCallStatus.Declined]: Proto.SyncMessage.CallEvent.Event.NOT_ACCEPTED, // and GroupCallStatus.Declined
  [DirectCallStatus.Deleted]: Proto.SyncMessage.CallEvent.Event.DELETE, // and GroupCallStatus.Deleted
  [DirectCallStatus.Missed]: null, // and GroupCallStatus.Missed
  [DirectCallStatus.Pending]: null,
  [GroupCallStatus.GenericGroupCall]: null,
  [GroupCallStatus.Joined]: null,
  [GroupCallStatus.OutgoingRing]: null,
  [GroupCallStatus.Ringing]: null,
};

function shouldSyncStatus(callStatus: CallStatus) {
  return statusToProto[callStatus] != null;
}

function getProtoForCallHistory(
  callHistory: CallHistoryDetails
): Proto.SyncMessage.ICallEvent | null {
  const event = statusToProto[callHistory.status];

  strictAssert(
    event != null,
    `getProtoForCallHistory: Cannot create proto for status ${formatCallHistory(
      callHistory
    )}`
  );

  let peerId = uuidToBytes(callHistory.peerId);
  if (peerId.length === 0) {
    peerId = Bytes.fromBase64(callHistory.peerId);
  }

  return new Proto.SyncMessage.CallEvent({
    peerId,
    callId: Long.fromString(callHistory.callId),
    type: typeToProto[callHistory.type],
    direction: directionToProto[callHistory.direction],
    event,
    timestamp: Long.fromNumber(callHistory.timestamp),
  });
}

// Local Events
// ------------

const endedReasonToEvent: Record<CallEndedReason, LocalCallEvent> = {
  // Accepted
  [CallEndedReason.AcceptedOnAnotherDevice]: LocalCallEvent.Accepted,
  // Hangup (Incoming = Declined, Outgoing = Missed)
  [CallEndedReason.RemoteHangup]: LocalCallEvent.RemoteHangup,
  [CallEndedReason.LocalHangup]: LocalCallEvent.Hangup,
  // Missed
  [CallEndedReason.Busy]: LocalCallEvent.Missed,
  [CallEndedReason.BusyOnAnotherDevice]: LocalCallEvent.Missed,
  [CallEndedReason.ConnectionFailure]: LocalCallEvent.Missed,
  [CallEndedReason.Glare]: LocalCallEvent.Missed,
  [CallEndedReason.GlareFailure]: LocalCallEvent.Missed,
  [CallEndedReason.InternalFailure]: LocalCallEvent.Missed,
  [CallEndedReason.ReCall]: LocalCallEvent.Missed,
  [CallEndedReason.ReceivedOfferExpired]: LocalCallEvent.Missed,
  [CallEndedReason.ReceivedOfferWhileActive]: LocalCallEvent.Missed,
  [CallEndedReason.ReceivedOfferWithGlare]: LocalCallEvent.Missed,
  [CallEndedReason.RemoteHangupNeedPermission]: LocalCallEvent.Missed,
  [CallEndedReason.SignalingFailure]: LocalCallEvent.Missed,
  [CallEndedReason.Timeout]: LocalCallEvent.Missed,
  [CallEndedReason.Declined]: LocalCallEvent.Missed,
  [CallEndedReason.DeclinedOnAnotherDevice]: LocalCallEvent.Missed,
};

export function getLocalCallEventFromCallEndedReason(
  callEndedReason: CallEndedReason
): LocalCallEvent {
  log.info('getLocalCallEventFromCallEndedReason', callEndedReason);
  return endedReasonToEvent[callEndedReason];
}

export function getLocalCallEventFromDirectCall(
  call: Call
): LocalCallEvent | null {
  log.info('getLocalCallEventFromDirectCall', call.state);
  if (call.state === CallState.Accepted) {
    return LocalCallEvent.Accepted;
  }
  if (call.state === CallState.Ended) {
    strictAssert(call.endedReason != null, 'Call ended without reason');
    return getLocalCallEventFromCallEndedReason(call.endedReason);
  }
  if (call.state === CallState.Ringing) {
    return LocalCallEvent.Ringing;
  }
  if (call.state === CallState.Prering) {
    return null;
  }
  if (call.state === CallState.Reconnecting) {
    return null;
  }
  throw missingCaseError(call.state);
}

const ringUpdateToEvent: Record<RingUpdate, LocalCallEvent> = {
  [RingUpdate.AcceptedOnAnotherDevice]: LocalCallEvent.Accepted,
  [RingUpdate.BusyLocally]: LocalCallEvent.Missed,
  [RingUpdate.BusyOnAnotherDevice]: LocalCallEvent.Missed,
  [RingUpdate.CancelledByRinger]: LocalCallEvent.Missed,
  [RingUpdate.DeclinedOnAnotherDevice]: LocalCallEvent.Missed,
  [RingUpdate.ExpiredRequest]: LocalCallEvent.Missed,
  [RingUpdate.Requested]: LocalCallEvent.Ringing,
};

export function getLocalCallEventFromRingUpdate(
  update: RingUpdate
): LocalCallEvent | null {
  log.info('getLocalCallEventFromRingUpdate', RingUpdate[update]);
  return ringUpdateToEvent[update];
}

export function getLocalCallEventFromJoinState(
  joinState: GroupCallJoinState | null,
  groupCallMeta: GroupCallMeta
): LocalCallEvent | null {
  const direction = getCallDirectionFromRingerId(groupCallMeta.ringerId);
  log.info(
    'getLocalCallEventFromGroupCall',
    direction,
    joinState != null ? GroupCallJoinState[joinState] : null
  );
  if (direction === CallDirection.Incoming) {
    if (joinState === GroupCallJoinState.Joined) {
      return LocalCallEvent.Accepted;
    }
    if (joinState === GroupCallJoinState.NotJoined || joinState == null) {
      return LocalCallEvent.Started;
    }
    if (
      joinState === GroupCallJoinState.Joining ||
      joinState === GroupCallJoinState.Pending
    ) {
      return LocalCallEvent.Accepted;
    }
    throw missingCaseError(joinState);
  } else {
    if (joinState === GroupCallJoinState.NotJoined || joinState == null) {
      return LocalCallEvent.Started;
    }
    return LocalCallEvent.Ringing;
  }
}

// Call Direction
// --------------

function getCallDirectionFromRingerId(
  ringerId: AciString | string
): CallDirection {
  const ringerConversation = window.ConversationController.get(ringerId);
  strictAssert(
    ringerConversation != null,
    `getCallDirectionFromRingerId: Missing ringer conversation (${ringerId})`
  );
  const direction = isMe(ringerConversation.attributes)
    ? CallDirection.Outgoing
    : CallDirection.Incoming;
  return direction;
}

// Call Details
// ------------

export function getCallDetailsFromDirectCall(
  peerId: AciString | string,
  call: Call
): CallDetails {
  return callDetailsSchema.parse({
    callId: Long.fromValue(call.callId).toString(),
    peerId,
    ringerId: call.isIncoming ? call.remoteUserId : null,
    mode: CallMode.Direct,
    type: call.isVideoCall ? CallType.Video : CallType.Audio,
    direction: call.isIncoming
      ? CallDirection.Incoming
      : CallDirection.Outgoing,
    timestamp: Date.now(),
  });
}

export function getCallDetailsFromEndedDirectCall(
  callId: string,
  peerId: AciString | string,
  ringerId: AciString | string,
  wasVideoCall: boolean,
  timestamp: number
): CallDetails {
  return callDetailsSchema.parse({
    callId,
    peerId,
    ringerId,
    mode: CallMode.Direct,
    type: wasVideoCall ? CallType.Video : CallType.Audio,
    direction: getCallDirectionFromRingerId(ringerId),
    timestamp,
  });
}

export function getCallDetailsFromGroupCallMeta(
  peerId: AciString | string,
  groupCallMeta: GroupCallMeta
): CallDetails {
  return callDetailsSchema.parse({
    callId: groupCallMeta.callId,
    peerId,
    ringerId: groupCallMeta.ringerId,
    mode: CallMode.Group,
    type: CallType.Group,
    direction: getCallDirectionFromRingerId(groupCallMeta.ringerId),
    timestamp: Date.now(),
  });
}

// Call Event Details
// ------------------

export function getCallEventDetails(
  callDetails: CallDetails,
  event: LocalCallEvent
): CallEventDetails {
  return callEventDetailsSchema.parse({ ...callDetails, event });
}

// transitions
// -----------

export function transitionCallHistory(
  callHistory: CallHistoryDetails | null,
  callEvent: CallEventDetails
): CallHistoryDetails {
  const { callId, peerId, ringerId, mode, type, direction, event } = callEvent;

  if (callHistory != null) {
    strictAssert(callHistory.callId === callId, 'callId must be same');
    strictAssert(callHistory.peerId === peerId, 'peerId must be same');
    strictAssert(
      ringerId == null || callHistory.ringerId === ringerId,
      'ringerId must be same if it exists'
    );
    strictAssert(callHistory.direction === direction, 'direction must be same');
    strictAssert(callHistory.type === type, 'type must be same');
    strictAssert(callHistory.mode === mode, 'mode must be same');
  }

  const prevStatus = callHistory?.status ?? null;
  let status: DirectCallStatus | GroupCallStatus;

  if (mode === CallMode.Direct) {
    status = transitionDirectCallStatus(
      prevStatus as DirectCallStatus | null,
      event,
      direction
    );
  } else if (mode === CallMode.Group) {
    status = transitionGroupCallStatus(
      prevStatus as GroupCallStatus | null,
      event,
      direction
    );
  } else {
    throw missingCaseError(mode);
  }

  const timestamp = transitionTimestamp(callHistory, callEvent);
  log.info(
    `transitionCallHistory: Transitioned call history timestamp (before: ${callHistory?.timestamp}, after: ${timestamp})`
  );

  return callHistoryDetailsSchema.parse({
    callId,
    peerId,
    ringerId,
    mode,
    type,
    direction,
    timestamp,
    status,
  });
}

function transitionTimestamp(
  callHistory: CallHistoryDetails | null,
  callEvent: CallEventDetails
): number {
  // Sometimes when a device is asleep the timestamp will be stuck in the past.
  // In some cases, we'll accept whatever the most recent timestamp is.
  const latestTimestamp = Math.max(
    callEvent.timestamp,
    callHistory?.timestamp ?? 0
  );

  // Always accept the timestamp if we have no other timestamps.
  if (callHistory == null) {
    return callEvent.timestamp;
  }

  // Deleted call history should never be changed
  if (
    callHistory.status === DirectCallStatus.Deleted ||
    callHistory.status === GroupCallStatus.Deleted
  ) {
    return callHistory.timestamp;
  }

  // Accepted call history should only be changed if we get a remote accepted
  // event with possibly a better timestamp.
  if (
    callHistory.status === DirectCallStatus.Accepted ||
    callHistory.status === GroupCallStatus.Accepted ||
    callHistory.status === GroupCallStatus.Joined
  ) {
    if (callEvent.event === RemoteCallEvent.Accepted) {
      return latestTimestamp;
    }
    return callHistory.timestamp;
  }

  // Declined call history should only be changed if if we transition to an
  // accepted state or get a remote 'not accepted' event with possibly a better
  // timestamp.
  if (
    callHistory.status === DirectCallStatus.Declined ||
    callHistory.status === GroupCallStatus.Declined
  ) {
    if (callEvent.event === RemoteCallEvent.NotAccepted) {
      return latestTimestamp;
    }
    return callHistory.timestamp;
  }

  // We don't care about holding onto timestamps that were from these states
  if (
    callHistory.status === DirectCallStatus.Pending ||
    callHistory.status === GroupCallStatus.GenericGroupCall ||
    callHistory.status === GroupCallStatus.OutgoingRing ||
    callHistory.status === GroupCallStatus.Ringing ||
    callHistory.status === DirectCallStatus.Missed ||
    callHistory.status === GroupCallStatus.Missed
  ) {
    return latestTimestamp;
  }

  throw missingCaseError(callHistory.status);
}

function transitionDirectCallStatus(
  status: DirectCallStatus | null,
  callEvent: CallEvent,
  direction: CallDirection
): DirectCallStatus {
  log.info('transitionDirectCallStatus', status, callEvent, direction);
  // In all cases if we get a delete event, we need to delete the call, and never
  // transition from deleted.
  if (
    callEvent === RemoteCallEvent.Delete ||
    callEvent === LocalCallEvent.Delete ||
    status === DirectCallStatus.Deleted
  ) {
    return DirectCallStatus.Deleted;
  }

  if (
    callEvent === RemoteCallEvent.Accepted ||
    callEvent === LocalCallEvent.Accepted
  ) {
    return DirectCallStatus.Accepted;
  }

  if (status === DirectCallStatus.Accepted) {
    return status;
  }

  if (callEvent === RemoteCallEvent.NotAccepted) {
    if (status === DirectCallStatus.Declined) {
      return DirectCallStatus.Declined;
    }
    return DirectCallStatus.Missed;
  }

  if (callEvent === LocalCallEvent.Missed) {
    return DirectCallStatus.Missed;
  }

  if (callEvent === LocalCallEvent.Declined) {
    return DirectCallStatus.Declined;
  }

  if (callEvent === LocalCallEvent.Hangup) {
    if (direction === CallDirection.Incoming) {
      return DirectCallStatus.Declined;
    }
    return DirectCallStatus.Missed;
  }

  if (callEvent === LocalCallEvent.RemoteHangup) {
    if (direction === CallDirection.Incoming) {
      return DirectCallStatus.Missed;
    }
    return DirectCallStatus.Declined;
  }

  if (
    callEvent === LocalCallEvent.Started ||
    callEvent === LocalCallEvent.Ringing
  ) {
    return DirectCallStatus.Pending;
  }

  throw missingCaseError(callEvent);
}

function transitionGroupCallStatus(
  status: GroupCallStatus | null,
  event: CallEvent,
  direction: CallDirection
): GroupCallStatus {
  log.info('transitionGroupCallStatus', status, event, direction);

  // In all cases if we get a delete event, we need to delete the call, and never
  // transition from deleted.
  if (
    event === RemoteCallEvent.Delete ||
    event === LocalCallEvent.Delete ||
    status === GroupCallStatus.Deleted
  ) {
    return GroupCallStatus.Deleted;
  }

  if (status === GroupCallStatus.Accepted) {
    return status;
  }

  if (event === RemoteCallEvent.NotAccepted) {
    throw new Error(`callHistoryDetails: Group calls shouldn't send ${event}`);
  }

  if (event === RemoteCallEvent.Accepted || event === LocalCallEvent.Accepted) {
    switch (status) {
      case null: {
        return GroupCallStatus.Joined;
      }
      case GroupCallStatus.Ringing:
      case GroupCallStatus.Missed:
      case GroupCallStatus.Declined: {
        return GroupCallStatus.Accepted;
      }
      case GroupCallStatus.GenericGroupCall: {
        return GroupCallStatus.Joined;
      }
      case GroupCallStatus.Joined:
      case GroupCallStatus.OutgoingRing: {
        return status;
      }
      default: {
        throw missingCaseError(status);
      }
    }
  }

  if (event === LocalCallEvent.Started) {
    return GroupCallStatus.GenericGroupCall;
  }

  if (event === LocalCallEvent.Ringing) {
    return GroupCallStatus.Ringing;
  }

  if (event === LocalCallEvent.Missed) {
    return GroupCallStatus.Missed;
  }

  if (event === LocalCallEvent.Declined) {
    return GroupCallStatus.Declined;
  }

  if (event === LocalCallEvent.Hangup) {
    if (direction === CallDirection.Incoming) {
      return GroupCallStatus.Declined;
    }
    return GroupCallStatus.Missed;
  }

  if (event === LocalCallEvent.RemoteHangup) {
    if (direction === CallDirection.Incoming) {
      return GroupCallStatus.Missed;
    }
    return GroupCallStatus.Declined;
  }

  throw missingCaseError(event);
}

// actions
// -------

async function updateLocalCallHistory(
  callEvent: CallEventDetails,
  receivedAtCounter: number | null
): Promise<CallHistoryDetails | null> {
  const conversation = window.ConversationController.get(callEvent.peerId);
  strictAssert(
    conversation != null,
    `updateLocalCallHistory: Conversation not found ${formatCallEvent(
      callEvent
    )}`
  );
  return conversation.queueJob<CallHistoryDetails | null>(
    'updateLocalCallHistory',
    async () => {
      log.info(
        'updateLocalCallHistory: Processing call event:',
        formatCallEvent(callEvent)
      );

      const prevCallHistory =
        (await window.Signal.Data.getCallHistory(
          callEvent.callId,
          callEvent.peerId
        )) ?? null;

      if (prevCallHistory != null) {
        log.info(
          'updateLocalCallHistory: Found previous call history:',
          formatCallHistory(prevCallHistory)
        );
      } else {
        log.info('updateLocalCallHistory: No previous call history');
      }

      let callHistory: CallHistoryDetails;
      try {
        callHistory = transitionCallHistory(prevCallHistory, callEvent);
      } catch (error) {
        log.error(
          "updateLocalCallHistory: Couldn't transition call history:",
          formatCallEvent(callEvent),
          Errors.toLogFormat(error)
        );
        return null;
      }

      const updatedCallHistory = await saveCallHistory(
        callHistory,
        conversation,
        receivedAtCounter
      );
      return updatedCallHistory;
    }
  );
}

async function saveCallHistory(
  callHistory: CallHistoryDetails,
  conversation: ConversationModel,
  receivedAtCounter: number | null
): Promise<CallHistoryDetails> {
  log.info(
    'saveCallHistory: Saving call history:',
    formatCallHistory(callHistory)
  );

  const isDeleted =
    callHistory.status === DirectCallStatus.Deleted ||
    callHistory.status === GroupCallStatus.Deleted;

  await window.Signal.Data.saveCallHistory(callHistory);

  if (isDeleted) {
    window.reduxActions.callHistory.removeCallHistory(callHistory.callId);
  } else {
    window.reduxActions.callHistory.addCallHistory(callHistory);
  }

  const prevMessage = await window.Signal.Data.getCallHistoryMessageByCallId({
    conversationId: conversation.id,
    callId: callHistory.callId,
  });

  if (prevMessage != null) {
    log.info(
      'saveCallHistory: Found previous call history message:',
      prevMessage.id
    );
  } else {
    log.info(
      'saveCallHistory: No previous call history message',
      conversation.id
    );
  }

  if (isDeleted) {
    if (prevMessage != null) {
      await window.Signal.Data.removeMessage(prevMessage.id);
    }
    return callHistory;
  }

  let unread = false;
  if (callHistory.mode === CallMode.Direct) {
    unread =
      callHistory.direction === CallDirection.Incoming &&
      (callHistory.status === DirectCallStatus.Missed ||
        callHistory.status === DirectCallStatus.Pending);
  } else if (callHistory.mode === CallMode.Group) {
    unread =
      callHistory.direction === CallDirection.Incoming &&
      (callHistory.status === GroupCallStatus.Ringing ||
        callHistory.status === GroupCallStatus.GenericGroupCall ||
        callHistory.status === GroupCallStatus.Missed);
  }

  let readStatus = unread ? ReadStatus.Unread : ReadStatus.Read;
  let seenStatus = unread ? SeenStatus.Unseen : SeenStatus.NotApplicable;

  if (prevMessage?.readStatus != null) {
    readStatus = maxReadStatus(readStatus, prevMessage.readStatus);
  }
  if (prevMessage?.seenStatus != null) {
    seenStatus = maxSeenStatus(seenStatus, prevMessage.seenStatus);
  }

  const message: MessageAttributesType = {
    id: prevMessage?.id ?? generateGuid(),
    conversationId: conversation.id,
    type: 'call-history',
    timestamp: prevMessage?.timestamp ?? callHistory.timestamp,
    sent_at: prevMessage?.sent_at ?? callHistory.timestamp,
    received_at:
      prevMessage?.received_at ??
      receivedAtCounter ??
      incrementMessageCounter(),
    received_at_ms: prevMessage?.received_at_ms ?? callHistory.timestamp,
    readStatus,
    seenStatus,
    callId: callHistory.callId,
  };

  const id = await window.Signal.Data.saveMessage(message, {
    ourAci: window.textsecure.storage.user.getCheckedAci(),
    // We don't want to force save if we're updating an existing message
    forceSave: prevMessage == null,
  });
  log.info('saveCallHistory: Saved call history message:', id);

  const model = window.MessageCache.__DEPRECATED$register(
    id,
    new window.Whisper.Message({
      ...message,
      id,
    }),
    'callDisposition'
  );

  if (prevMessage == null) {
    if (callHistory.direction === CallDirection.Outgoing) {
      conversation.incrementSentMessageCount();
    } else {
      conversation.incrementMessageCount();
    }
    conversation.trigger('newmessage', model);
  }

  await conversation.updateLastMessage().catch(error => {
    log.error(
      'saveCallHistory: Failed to update last message:',
      Errors.toLogFormat(error)
    );
  });

  await conversation.updateUnread().catch(error => {
    log.error(
      'saveCallHistory: Failed to update unread',
      Errors.toLogFormat(error)
    );
  });

  conversation.set(
    'active_at',
    Math.max(conversation.get('active_at') ?? 0, callHistory.timestamp)
  );

  if (canConversationBeUnarchived(conversation.attributes)) {
    conversation.setArchived(false);
  } else {
    window.Signal.Data.updateConversation(conversation.attributes);
  }

  return callHistory;
}

async function updateRemoteCallHistory(
  callHistory: CallHistoryDetails
): Promise<void> {
  if (!shouldSyncStatus(callHistory.status)) {
    log.info(
      'updateRemoteCallHistory: Not syncing call history:',
      formatCallHistory(callHistory)
    );
    return;
  }

  log.info(
    'updateRemoteCallHistory: syncing call history:',
    formatCallHistory(callHistory)
  );

  try {
    const ourAci = window.textsecure.storage.user.getCheckedAci();
    const syncMessage = MessageSender.createSyncMessage();

    syncMessage.callEvent = getProtoForCallHistory(callHistory);

    const contentMessage = new Proto.Content();
    contentMessage.syncMessage = syncMessage;

    const { ContentHint } = Proto.UnidentifiedSenderMessage.Message;

    await singleProtoJobQueue.add({
      contentHint: ContentHint.RESENDABLE,
      serviceId: ourAci,
      isSyncMessage: true,
      protoBase64: Bytes.toBase64(
        Proto.Content.encode(contentMessage).finish()
      ),
      type: 'callEventSync',
      urgent: false,
    });
  } catch (error) {
    log.error(
      'updateRemoteCallHistory: Failed to queue sync message:',
      Errors.toLogFormat(error)
    );
  }
}

export async function updateCallHistoryFromRemoteEvent(
  callEvent: CallEventDetails,
  receivedAtCounter: number
): Promise<void> {
  await updateLocalCallHistory(callEvent, receivedAtCounter);
}

export async function updateCallHistoryFromLocalEvent(
  callEvent: CallEventDetails,
  receivedAtCounter: number | null
): Promise<void> {
  const updatedCallHistory = await updateLocalCallHistory(
    callEvent,
    receivedAtCounter
  );
  if (updatedCallHistory == null) {
    return;
  }
  await updateRemoteCallHistory(updatedCallHistory);
}

export async function clearCallHistoryDataAndSync(): Promise<void> {
  try {
    const timestamp = Date.now();

    log.info(`clearCallHistory: Clearing call history before ${timestamp}`);
    const messageIds = await window.Signal.Data.clearCallHistory(timestamp);

    messageIds.forEach(messageId => {
      const message = window.MessageCache.__DEPRECATED$getById(messageId);
      const conversation = message?.getConversation();
      if (message == null || conversation == null) {
        return;
      }
      window.reduxActions.conversations.messageDeleted(
        messageId,
        message.get('conversationId')
      );
      conversation.debouncedUpdateLastMessage();
      window.MessageCache.__DEPRECATED$unregister(messageId);
    });

    const ourAci = window.textsecure.storage.user.getCheckedAci();

    const callLogEvent = new Proto.SyncMessage.CallLogEvent({
      type: Proto.SyncMessage.CallLogEvent.Type.CLEAR,
      timestamp: Long.fromNumber(timestamp),
    });

    const syncMessage = MessageSender.createSyncMessage();
    syncMessage.callLogEvent = callLogEvent;

    const contentMessage = new Proto.Content();
    contentMessage.syncMessage = syncMessage;

    const { ContentHint } = Proto.UnidentifiedSenderMessage.Message;

    log.info('clearCallHistory: Queueing sync message');
    await singleProtoJobQueue.add({
      contentHint: ContentHint.RESENDABLE,
      serviceId: ourAci,
      isSyncMessage: true,
      protoBase64: Bytes.toBase64(
        Proto.Content.encode(contentMessage).finish()
      ),
      type: 'callLogEventSync',
      urgent: false,
    });
  } catch (error) {
    log.error('clearCallHistory: Failed to clear call history', error);
  }
}

export async function updateLocalGroupCallHistoryTimestamp(
  conversationId: string,
  callId: string,
  timestamp: number
): Promise<CallHistoryDetails | null> {
  const conversation = window.ConversationController.get(conversationId);
  if (conversation == null) {
    return null;
  }
  const peerId = getPeerIdFromConversation(conversation.attributes);

  const prevCallHistory =
    (await window.Signal.Data.getCallHistory(callId, peerId)) ?? null;

  // We don't have all the details to add new call history here
  if (prevCallHistory != null) {
    log.info(
      'updateLocalGroupCallHistoryTimestamp: Found previous call history:',
      formatCallHistory(prevCallHistory)
    );
  } else {
    log.info('updateLocalGroupCallHistoryTimestamp: No previous call history');
    return null;
  }

  if (timestamp >= prevCallHistory.timestamp) {
    log.info(
      'updateLocalGroupCallHistoryTimestamp: New timestamp is later than existing call history, ignoring'
    );
    return prevCallHistory;
  }

  const updatedCallHistory = await saveCallHistory(
    {
      ...prevCallHistory,
      timestamp,
    },
    conversation,
    null
  );

  return updatedCallHistory;
}