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

import Foundation
import LibSignalClient
import SignalCoreKit

final class ThreadMerger {
    private let callRecordStore: CallRecordStore
    private let chatColorSettingStore: ChatColorSettingStore
    private let deletedCallRecordStore: DeletedCallRecordStore
    private let disappearingMessagesConfigurationManager: Shims.DisappearingMessagesConfigurationManager
    private let disappearingMessagesConfigurationStore: DisappearingMessagesConfigurationStore
    private let interactionStore: InteractionStore
    private let pinnedThreadManager: PinnedThreadManager
    private let sdsThreadMerger: Shims.SDSThreadMerger
    private let threadAssociatedDataManager: Shims.ThreadAssociatedDataManager
    private let threadAssociatedDataStore: ThreadAssociatedDataStore
    private let threadRemover: ThreadRemover
    private let threadReplyInfoStore: ThreadReplyInfoStore
    private let threadStore: ThreadStore
    private let wallpaperImageStore: WallpaperImageStore
    private let wallpaperStore: WallpaperStore

    init(
        callRecordStore: CallRecordStore,
        chatColorSettingStore: ChatColorSettingStore,
        deletedCallRecordStore: DeletedCallRecordStore,
        disappearingMessagesConfigurationManager: Shims.DisappearingMessagesConfigurationManager,
        disappearingMessagesConfigurationStore: DisappearingMessagesConfigurationStore,
        interactionStore: InteractionStore,
        pinnedThreadManager: PinnedThreadManager,
        sdsThreadMerger: Shims.SDSThreadMerger,
        threadAssociatedDataManager: Shims.ThreadAssociatedDataManager,
        threadAssociatedDataStore: ThreadAssociatedDataStore,
        threadRemover: ThreadRemover,
        threadReplyInfoStore: ThreadReplyInfoStore,
        threadStore: ThreadStore,
        wallpaperImageStore: WallpaperImageStore,
        wallpaperStore: WallpaperStore
    ) {
        self.callRecordStore = callRecordStore
        self.chatColorSettingStore = chatColorSettingStore
        self.deletedCallRecordStore = deletedCallRecordStore
        self.disappearingMessagesConfigurationManager = disappearingMessagesConfigurationManager
        self.disappearingMessagesConfigurationStore = disappearingMessagesConfigurationStore
        self.interactionStore = interactionStore
        self.pinnedThreadManager = pinnedThreadManager
        self.sdsThreadMerger = sdsThreadMerger
        self.threadAssociatedDataManager = threadAssociatedDataManager
        self.threadAssociatedDataStore = threadAssociatedDataStore
        self.threadRemover = threadRemover
        self.threadReplyInfoStore = threadReplyInfoStore
        self.threadStore = threadStore
        self.wallpaperImageStore = wallpaperImageStore
        self.wallpaperStore = wallpaperStore
    }

    private func mergeThread(_ thread: TSContactThread, into targetThread: TSContactThread, tx: DBWriteTransaction) -> Bool {
        let threadPair = MergePair<TSContactThread>(fromValue: thread, intoValue: targetThread)
        mergeDisappearingMessagesConfiguration(threadPair, tx: tx)
        mergePinnedThreads(threadPair, tx: tx)
        mergeThreadAssociatedData(threadPair, tx: tx)
        mergeThreadReplyInfo(threadPair, tx: tx)
        mergeChatColors(threadPair, tx: tx)
        mergeWallpaper(threadPair, tx: tx)
        mergeCallRecords(threadPair, tx: tx)
        sdsThreadMerger.mergeThread(thread, into: targetThread, tx: tx)
        let shouldInsertEvent = shouldInsertThreadMergeEvent(threadPair)
        targetThread.merge(from: thread)
        threadStore.updateThread(targetThread, tx: tx)
        threadRemover.remove(thread, tx: tx)
        if shouldInsertEvent {
            insertThreadMergeEvent(threadPair, tx: tx)
        }
        return shouldInsertEvent
        // TODO: [optional] Merge `lastVisibleInteractionStore` (we use `targetThread`s right now).
        // TODO: [optional] Merge TSAttachmentMultisendJobRecord (they are canceled right now).
        // TODO: [optional] Merge MessageSenderJobRecord (they are canceled right now).
        // TODO: [optional] Merge SessionResetJobRecord (they are canceled right now).
        // TODO: [optional] Merge SendGiftBadgeJobRecord (they are canceled right now).
    }

    private func mergeThreadAssociatedData(_ threadPair: MergePair<TSContactThread>, tx: DBWriteTransaction) {
        let valuePair = threadPair.map { threadAssociatedDataStore.fetchOrDefault(for: $0.uniqueId, tx: tx) }

        // Create a new object so that the compiler complains if you add a new
        // property but don't update this call site.
        let resolvedValue = ThreadAssociatedData(
            threadUniqueId: valuePair.intoValue.threadUniqueId,

            // If either thread isn't archived, the merged thread shouldn't be
            // archived.
            isArchived: valuePair.fromValue.isArchived && valuePair.intoValue.isArchived,

            // If either thread is marked as unread, the merged thread should be marked
            // as unread.
            isMarkedUnread: valuePair.fromValue.isMarkedUnread || valuePair.intoValue.isMarkedUnread,

            // If either thread is muted, choose the longer mute duration.
            mutedUntilTimestamp: max(valuePair.fromValue.mutedUntilTimestamp, valuePair.intoValue.mutedUntilTimestamp),

            // Prefer audio playback rates that have been changed from the default. If
            // they have both been changed, prefer the one from the thread we're
            // merging into.
            audioPlaybackRate: (
                valuePair.intoValue.audioPlaybackRate != 1
                ? valuePair.intoValue.audioPlaybackRate
                : valuePair.fromValue.audioPlaybackRate
            )
        )

        func newValueIfChanged<T: Equatable>(_ keyPath: KeyPath<ThreadAssociatedData, T>) -> T? {
            let oldValue = valuePair.intoValue[keyPath: keyPath]
            let newValue = resolvedValue[keyPath: keyPath]
            return newValue != oldValue ? newValue : nil
        }

        threadAssociatedDataManager.updateValue(
            valuePair.intoValue,
            isArchived: newValueIfChanged(\.isArchived),
            isMarkedUnread: newValueIfChanged(\.isMarkedUnread),
            mutedUntilTimestamp: newValueIfChanged(\.mutedUntilTimestamp),
            audioPlaybackRate: newValueIfChanged(\.audioPlaybackRate),
            updateStorageService: true,
            tx: tx
        )
    }

    private func mergeDisappearingMessagesConfiguration(_ threadPair: MergePair<TSContactThread>, tx: DBWriteTransaction) {
        let configPair = threadPair.map { disappearingMessagesConfigurationStore.fetchOrBuildDefault(for: .thread($0), tx: tx) }
        let valuePair = configPair.map { $0.isEnabled ? $0.durationSeconds : nil }

        // If any thread has disappearing messages enabled, the merged result
        // should have disappearing messages enabled. If both threads have
        // disappearing messages enabled, pick the shorter value.
        let resolvedValue = [valuePair.fromValue, valuePair.intoValue].compacted().min()

        // If neither thread had disappearing messages enabled, don't change anything.
        guard let resolvedValue else {
            return
        }

        let oldConfig = configPair.intoValue
        let newConfig = oldConfig.copyAsEnabled(withDurationSeconds: resolvedValue)

        if newConfig == oldConfig {
            return
        }

        disappearingMessagesConfigurationManager.setToken(newConfig.asToken, for: threadPair.intoValue, tx: tx)
    }

    private func mergePinnedThreads(_ threadPair: MergePair<TSContactThread>, tx: DBWriteTransaction) {
        var pinnedThreadIds = pinnedThreadManager.pinnedThreadIds(tx: tx)
        let pinnedIndexPair = threadPair.map { pinnedThreadIds.firstIndex(of: $0.uniqueId) }

        // If the old thread was pinned, unpin it.
        if let fromPinnedIndex = pinnedIndexPair.fromValue {
            pinnedThreadIds.remove(at: fromPinnedIndex)

            // If the new thread *wasn't* pinned, pin it.
            if pinnedIndexPair.intoValue == nil {
                pinnedThreadIds.insert(threadPair.intoValue.uniqueId, at: fromPinnedIndex)
            }

            pinnedThreadManager.updatePinnedThreadIds(pinnedThreadIds, updateStorageService: true, tx: tx)
        }
    }

    private func mergeThreadReplyInfo(_ threadPair: MergePair<TSContactThread>, tx: DBWriteTransaction) {
        let replyInfoPair = threadPair.map { threadReplyInfoStore.fetch(for: $0.uniqueId, tx: tx) }
        if replyInfoPair.intoValue == nil, let fromValue = replyInfoPair.fromValue {
            threadReplyInfoStore.save(fromValue, for: threadPair.intoValue.uniqueId, tx: tx)
        }
    }

    private func mergeChatColors(_ threadPair: MergePair<TSContactThread>, tx: DBWriteTransaction) {
        let rawValuePair = threadPair.map { chatColorSettingStore.fetchRawSetting(for: $0.uniqueId, tx: tx) }
        if rawValuePair.intoValue == nil, let fromValue = rawValuePair.fromValue {
            chatColorSettingStore.setRawSetting(fromValue, for: threadPair.intoValue.uniqueId, tx: tx)
        }
    }

    private func mergeWallpaper(_ threadPair: MergePair<TSContactThread>, tx: DBWriteTransaction) {
        let settingPair = threadPair.map { wallpaperStore.fetchWallpaper(for: $0.uniqueId, tx: tx) }
        if settingPair.intoValue == nil, let fromSetting = settingPair.fromValue {
            wallpaperStore.setWallpaper(fromSetting, for: threadPair.intoValue.uniqueId, tx: tx)
            if let fromDimInDarkMode = wallpaperStore.fetchDimInDarkMode(for: threadPair.fromValue.uniqueId, tx: tx) {
                wallpaperStore.setDimInDarkMode(fromDimInDarkMode, for: threadPair.intoValue.uniqueId, tx: tx)
            }
            do {
                try self.wallpaperImageStore.copyWallpaperImage(from: threadPair.fromValue, to: threadPair.intoValue, tx: tx)
            } catch CocoaError.fileReadNoSuchFile, CocoaError.fileNoSuchFile, POSIXError.ENOENT {
                // not an error
            } catch {
                owsFailDebug("Couldn't copy custom wallpaper image.")
            }
        }
    }

    private func mergeCallRecords(_ threadPair: MergePair<TSContactThread>, tx: DBWriteTransaction) {
        guard
            let fromThreadRowId = threadPair.fromValue.sqliteRowId,
            let intoThreadRowId = threadPair.intoValue.sqliteRowId
        else {
            owsFailDebug("Failed to get SQLite row IDs for threads!")
            return
        }

        callRecordStore.updateWithMergedThread(
            fromThreadRowId: fromThreadRowId,
            intoThreadRowId: intoThreadRowId,
            tx: tx
        )

        deletedCallRecordStore.updateWithMergedThread(
            fromThreadRowId: fromThreadRowId,
            intoThreadRowId: intoThreadRowId,
            tx: tx
        )
    }

    private func shouldInsertThreadMergeEvent(_ threadPair: MergePair<TSContactThread>) -> Bool {
        let isVisible = threadPair.map { $0.shouldThreadBeVisible }
        return isVisible.intoValue && isVisible.fromValue
    }

    private func insertThreadMergeEvent(_ threadPair: MergePair<TSContactThread>, tx: DBWriteTransaction) {
        // We want to show the phone number only in the specific, very standardized
        // case where you have a conversation with the phone number/PNI and you
        // merge it into a chat with the ACI. In all other cases, we show a generic
        // thread merge event.
        let mergedPhoneNumber: String? = {
            guard let phoneNumber = threadPair.fromValue.contactPhoneNumber else {
                return nil
            }
            guard Aci.parseFrom(aciString: threadPair.intoValue.contactUUID) != nil else {
                return nil
            }
            return phoneNumber
        }()
        var userInfo = [InfoMessageUserInfoKey: Any]()
        if let mergedPhoneNumber {
            userInfo[.threadMergePhoneNumber] = mergedPhoneNumber
        }
        let message = TSInfoMessage(thread: threadPair.intoValue, messageType: .threadMerge, infoMessageUserInfo: userInfo)
        interactionStore.insertInteraction(message, tx: tx)
    }

    private func mergeAllThreads(_ threadsToMerge: [TSContactThread], tx: DBWriteTransaction) -> Int {
        // We merge threads in pairs, starting at the end and going back to the
        // beginning. We order the threads in descending priority order, so this
        // approach ensures we merge lower priority threads (ie with just a phone
        // number) into higher priority threads (ie with a stable ACI). If we have
        // threads A, B, and C to merge, we'll merge C into B, and then we'll merge
        // B into A (where B has become a combination of B and C).
        var threadMergeEventCount = 0
        let reversedThreadsToMerge = threadsToMerge.reversed()
        for (threadToMerge, mergeDestination) in zip(reversedThreadsToMerge, reversedThreadsToMerge.dropFirst()) {
            if mergeThread(threadToMerge, into: mergeDestination, tx: tx) {
                threadMergeEventCount += 1
            }
        }
        return threadMergeEventCount
    }

    private func mergeThreads(for recipient: SignalRecipient, tx: DBWriteTransaction) -> Int {
        // Fetch all the threads related to the new recipient. Because we don't
        // have UNIQUE constraints on the TSThread table, there might be many
        // duplicate threads that we need to merge. We fetch the ACI threads first
        // to ensure we merge *into* one of those threads where possible.

        let threadsToMerge: [TSContactThread] = UniqueRecipientObjectMerger.fetchAndExpunge(
            for: recipient,
            serviceIdField: \.contactUUID,
            phoneNumberField: \.contactPhoneNumber,
            uniqueIdField: \.uniqueId,
            fetchObjectsForServiceId: { threadStore.fetchContactThreads(serviceId: $0, tx: tx) },
            fetchObjectsForPhoneNumber: { threadStore.fetchContactThreads(phoneNumber: $0.stringValue, tx: tx) },
            updateObject: { threadStore.updateThread($0, tx: tx) }
        )

        let threadMergeEventCount = mergeAllThreads(threadsToMerge, tx: tx)
        if threadsToMerge.count >= 2 {
            Logger.info("Merged \(threadsToMerge.count) threads for \((recipient.aci ?? recipient.pni)?.logString ?? "nil")")
        }

        // After we merge all threads, we're left with just one. Make sure that
        // that thread has the new (ACI/PNI, Phone Number) pair.
        if let finalThread = threadsToMerge.first {
            let normalizedAddress = NormalizedDatabaseRecordAddress(
                aci: recipient.aci,
                phoneNumber: recipient.phoneNumber?.stringValue,
                pni: recipient.pni
            )
            finalThread.contactUUID = normalizedAddress?.serviceId?.serviceIdUppercaseString
            finalThread.contactPhoneNumber = normalizedAddress?.phoneNumber
            threadStore.updateThread(finalThread, tx: tx)
        }

        return threadMergeEventCount
    }

    func willBreakAssociation(for recipient: SignalRecipient, mightReplaceNonnilPhoneNumber: Bool, tx: DBWriteTransaction) {
        _ = mergeThreads(for: recipient, tx: tx)
    }

    func didLearnAssociation(mergedRecipient: MergedRecipient, tx: DBWriteTransaction) -> Int {
        return mergeThreads(for: mergedRecipient.newRecipient, tx: tx)
    }
}

// MARK: - SDS Merges

/// There are a bunch of types that can't be easily mocked out for testing
/// purposes. Until they can be, this serves as a dumping ground for code
/// that's skipped during unit tests.
class _ThreadMerger_SDSThreadMergerWrapper: _ThreadMerger_SDSThreadMergerShim {
    func mergeThread(_ thread: TSContactThread, into targetThread: TSContactThread, tx: DBWriteTransaction) {
        let threadPair = MergePair<TSContactThread>(fromValue: thread, intoValue: targetThread)
        mergeInteractions(threadPair, tx: SDSDB.shimOnlyBridge(tx))
        mergeMediaGalleryItems(threadPair, tx: SDSDB.shimOnlyBridge(tx))
        mergeReceiptsPendingMessageRequest(threadPair, tx: SDSDB.shimOnlyBridge(tx))
        mergeMessageSendLogPayloads(threadPair, tx: SDSDB.shimOnlyBridge(tx))
        // We might have changed something in the cache -- evacuate it.
        NSObject.modelReadCaches.evacuateAllCaches()
    }

    private func mergeInteractions(_ threadPair: MergePair<TSContactThread>, tx: SDSAnyWriteTransaction) {
        let uniqueIds = threadPair.map { $0.uniqueId }
        tx.unwrapGrdbWrite.execute(
            sql: """
                UPDATE "\(InteractionRecord.databaseTableName)"
                SET "\(interactionColumn: .threadUniqueId)" = ?
                WHERE "\(interactionColumn: .threadUniqueId)" = ?
            """,
            arguments: [uniqueIds.intoValue, uniqueIds.fromValue]
        )
    }

    private func mergeMediaGalleryItems(_ threadPair: MergePair<TSContactThread>, tx: SDSAnyWriteTransaction) {
        let threadRowIds = threadPair.map { $0.sqliteRowId! }
        tx.unwrapGrdbWrite.execute(
            sql: """
                UPDATE "media_gallery_items" SET "threadId" = ? WHERE "threadId" = ?
            """,
            arguments: [threadRowIds.intoValue, threadRowIds.fromValue]
        )
    }

    private func mergeReceiptsPendingMessageRequest(_ threadPair: MergePair<TSContactThread>, tx: SDSAnyWriteTransaction) {
        let threadRowIds = threadPair.map { $0.sqliteRowId! }
        tx.unwrapGrdbWrite.execute(
            sql: """
                UPDATE "\(PendingViewedReceiptRecord.databaseTableName)" SET "threadId" = ? WHERE "threadId" = ?
            """,
            arguments: [threadRowIds.intoValue, threadRowIds.fromValue]
        )
        tx.unwrapGrdbWrite.execute(
            sql: """
                UPDATE "\(PendingReadReceiptRecord.databaseTableName)" SET "threadId" = ? WHERE "threadId" = ?
            """,
            arguments: [threadRowIds.intoValue, threadRowIds.fromValue]
        )
    }

    private func mergeMessageSendLogPayloads(_ threadPair: MergePair<TSContactThread>, tx: SDSAnyWriteTransaction) {
        let threadUniqueIdPair = threadPair.map { $0.uniqueId }
        let messageSendLog = SSKEnvironment.shared.messageSendLogRef
        messageSendLog.mergePayloads(from: threadUniqueIdPair.fromValue, into: threadUniqueIdPair.intoValue, tx: tx)
    }
}

// MARK: - Shims

extension ThreadMerger {
    enum Shims {
        typealias DisappearingMessagesConfigurationManager = _ThreadMerger_DisappearingMessagesConfigurationManagerShim
        typealias ThreadAssociatedDataManager = _ThreadMerger_ThreadAssociatedDataManagerShim
        typealias SDSThreadMerger = _ThreadMerger_SDSThreadMergerShim
    }

    enum Wrappers {
        typealias DisappearingMessagesConfigurationManager = _ThreadMerger_DisappearingMessagesConfigurationManagerWrapper
        typealias ThreadAssociatedDataManager = _ThreadMerger_ThreadAssociatedDataManagerWrapper
        typealias SDSThreadMerger = _ThreadMerger_SDSThreadMergerWrapper
    }
}

protocol _ThreadMerger_DisappearingMessagesConfigurationManagerShim {
    func setToken(_ token: DisappearingMessageToken, for thread: TSContactThread, tx: DBWriteTransaction)
}

class _ThreadMerger_DisappearingMessagesConfigurationManagerWrapper: _ThreadMerger_DisappearingMessagesConfigurationManagerShim {
    func setToken(_ token: DisappearingMessageToken, for thread: TSContactThread, tx: DBWriteTransaction) {
        GroupManager.localUpdateDisappearingMessageToken(token, inContactThread: thread, tx: SDSDB.shimOnlyBridge(tx))
    }
}

protocol _ThreadMerger_ThreadAssociatedDataManagerShim {
    func updateValue(
        _ threadAssociatedData: ThreadAssociatedData,
        isArchived: Bool?,
        isMarkedUnread: Bool?,
        mutedUntilTimestamp: UInt64?,
        audioPlaybackRate: Float?,
        updateStorageService: Bool,
        tx: DBWriteTransaction
    )
}

class _ThreadMerger_ThreadAssociatedDataManagerWrapper: _ThreadMerger_ThreadAssociatedDataManagerShim {
    func updateValue(
        _ threadAssociatedData: ThreadAssociatedData,
        isArchived: Bool?,
        isMarkedUnread: Bool?,
        mutedUntilTimestamp: UInt64?,
        audioPlaybackRate: Float?,
        updateStorageService: Bool,
        tx: DBWriteTransaction
    ) {
        guard isArchived != nil || isMarkedUnread != nil || mutedUntilTimestamp != nil || audioPlaybackRate != nil else {
            return
        }
        threadAssociatedData.updateWith(
            isArchived: isArchived,
            isMarkedUnread: isMarkedUnread,
            mutedUntilTimestamp: mutedUntilTimestamp,
            audioPlaybackRate: audioPlaybackRate,
            updateStorageService: updateStorageService,
            transaction: SDSDB.shimOnlyBridge(tx)
        )
    }
}

protocol _ThreadMerger_SDSThreadMergerShim {
    func mergeThread(_ thread: TSContactThread, into targetThread: TSContactThread, tx: DBWriteTransaction)
}

// MARK: - Unit Tests

#if TESTABLE_BUILD

extension ThreadMerger {
    static func forUnitTests(
        interactionStore: InteractionStore = MockInteractionStore(),
        keyValueStoreFactory: KeyValueStoreFactory = InMemoryKeyValueStoreFactory(),
        threadAssociatedDataStore: MockThreadAssociatedDataStore = MockThreadAssociatedDataStore(),
        threadStore: ThreadStore = MockThreadStore()
    ) -> ThreadMerger {
        let chatColorSettingStore = ChatColorSettingStore(keyValueStoreFactory: keyValueStoreFactory)
        let disappearingMessagesConfigurationStore = MockDisappearingMessagesConfigurationStore()
        let threadReplyInfoStore = ThreadReplyInfoStore(keyValueStoreFactory: keyValueStoreFactory)
        let wallpaperStore = WallpaperStore(keyValueStoreFactory: keyValueStoreFactory, notificationScheduler: SyncScheduler())
        let threadRemover = ThreadRemoverImpl(
            chatColorSettingStore: chatColorSettingStore,
            databaseStorage: ThreadRemover_MockDatabaseStorage(),
            disappearingMessagesConfigurationStore: disappearingMessagesConfigurationStore,
            sdsThreadRemover: ThreadRemover_MockSDSThreadRemover(),
            threadAssociatedDataStore: threadAssociatedDataStore,
            threadReadCache: ThreadRemover_MockThreadReadCache(),
            threadReplyInfoStore: threadReplyInfoStore,
            threadSoftDeleteManager: MockThreadSoftDeleteManager(),
            threadStore: threadStore,
            wallpaperStore: wallpaperStore
        )
        return ThreadMerger(
            callRecordStore: MockCallRecordStore(),
            chatColorSettingStore: chatColorSettingStore,
            deletedCallRecordStore: MockDeletedCallRecordStore(),
            disappearingMessagesConfigurationManager: ThreadMerger_MockDisappearingMessagesConfigurationManager(disappearingMessagesConfigurationStore),
            disappearingMessagesConfigurationStore: disappearingMessagesConfigurationStore,
            interactionStore: interactionStore,
            pinnedThreadManager: MockPinnedThreadManager(),
            sdsThreadMerger: ThreadMerger_MockSDSThreadMerger(),
            threadAssociatedDataManager: ThreadMerger_MockThreadAssociatedDataManager(threadAssociatedDataStore),
            threadAssociatedDataStore: threadAssociatedDataStore,
            threadRemover: threadRemover,
            threadReplyInfoStore: threadReplyInfoStore,
            threadStore: threadStore,
            wallpaperImageStore: MockWallpaperImageStore(),
            wallpaperStore: wallpaperStore
        )
    }
}

class ThreadMerger_MockDisappearingMessagesConfigurationManager: ThreadMerger.Shims.DisappearingMessagesConfigurationManager {
    private let store: MockDisappearingMessagesConfigurationStore
    init(_ disappearingMessagesConfigurationStore: MockDisappearingMessagesConfigurationStore) {
        self.store = disappearingMessagesConfigurationStore
    }
    func setToken(_ token: DisappearingMessageToken, for thread: TSContactThread, tx: DBWriteTransaction) {
        self.store.set(token: token, for: .thread(thread), tx: tx)
    }
}

class ThreadMerger_MockThreadAssociatedDataManager: ThreadMerger.Shims.ThreadAssociatedDataManager {
    private let store: MockThreadAssociatedDataStore
    init(_ threadAssociatedDataStore: MockThreadAssociatedDataStore) {
        self.store = threadAssociatedDataStore
    }
    func updateValue(
        _ threadAssociatedData: ThreadAssociatedData,
        isArchived: Bool?,
        isMarkedUnread: Bool?,
        mutedUntilTimestamp: UInt64?,
        audioPlaybackRate: Float?,
        updateStorageService: Bool,
        tx: DBWriteTransaction
    ) {
        self.store.values[threadAssociatedData.threadUniqueId] = ThreadAssociatedData(
            threadUniqueId: threadAssociatedData.threadUniqueId,
            isArchived: isArchived ?? threadAssociatedData.isArchived,
            isMarkedUnread: isMarkedUnread ?? threadAssociatedData.isMarkedUnread,
            mutedUntilTimestamp: mutedUntilTimestamp ?? threadAssociatedData.mutedUntilTimestamp,
            audioPlaybackRate: audioPlaybackRate ?? threadAssociatedData.audioPlaybackRate
        )
    }
}

class ThreadMerger_MockSDSThreadMerger: ThreadMerger.Shims.SDSThreadMerger {
    func mergeThread(_ thread: TSContactThread, into targetThread: TSContactThread, tx: DBWriteTransaction) {}
}

#endif
