wallet_info.dart

import 'dart:convert';

import 'package:isar_community/isar.dart';
import 'package:uuid/uuid.dart';

import '../../../app_config.dart';
import '../../../models/balance.dart';
import '../../../models/isar/models/blockchain_data/address.dart';
import '../../../models/keys/view_only_wallet_data.dart';
import '../../crypto_currency/crypto_currency.dart';
import '../isar_id_interface.dart';
import 'wallet_info_meta.dart';

part 'wallet_info.g.dart';

@Collection(accessor: "walletInfo", inheritance: false)
class WalletInfo implements IsarId {
  @override
  Id id = Isar.autoIncrement;

  @Index(unique: true, replace: false)
  final String walletId;

  final String name;

  @enumerated
  final AddressType mainAddressType;

  /// The highest index [mainAddressType] receiving address of the wallet
  final String cachedReceivingAddress;

  /// Only exposed for Isar. Use the [cachedBalance] getter.
  // Only exposed for isar as Amount cannot be stored in isar easily
  final String? cachedBalanceString;

  /// Only exposed for Isar. Use the [cachedBalanceSecondary] getter.
  // Only exposed for isar as Amount cannot be stored in isar easily
  final String? cachedBalanceSecondaryString;

  /// Only exposed for Isar. Use the [cachedBalanceTertiary] getter.
  // Only exposed for isar as Amount cannot be stored in isar easily
  final String? cachedBalanceTertiaryString;

  /// Only exposed for Isar. Use the [coin] getter.
  // Only exposed for isar to avoid dealing with storing enums as Coin can change
  final String coinName;

  /// User set favourites ordering. No restrictions are placed on uniqueness.
  /// Reordering logic in the ui code should ensure this is unique.
  ///
  /// Also represents if the wallet is a favourite. Any number greater then -1
  /// denotes a favourite. Any number less than 0 means it is not a favourite.
  final int favouriteOrderIndex;

  /// The highest block height the wallet has scanned.
  final int cachedChainHeight;

  /// The block at which this wallet was or should be restored from
  final int restoreHeight;

  final String? otherDataJsonString;

  //============================================================================
  //=============== Getters ====================================================

  bool get isFavourite => favouriteOrderIndex > -1;

  List<String> get tokenContractAddresses {
    if (otherData[WalletInfoKeys.tokenContractAddresses] is List) {
      return List<String>.from(
        otherData[WalletInfoKeys.tokenContractAddresses] as List,
      );
    } else {
      return [];
    }
  }

  @ignore
  List<String> get solanaTokenMintAddresses {
    if (otherData[WalletInfoKeys.solanaTokenMintAddresses] is List) {
      return List<String>.from(
        otherData[WalletInfoKeys.solanaTokenMintAddresses] as List,
      );
    } else {
      return [];
    }
  }

  @ignore
  List<String> get solanaCustomTokenMintAddresses {
    if (otherData[WalletInfoKeys.solanaCustomTokenMintAddresses] is List) {
      return List<String>.from(
        otherData[WalletInfoKeys.solanaCustomTokenMintAddresses] as List,
      );
    } else {
      return [];
    }
  }

  /// Special case for coins such as firo lelantus
  @ignore
  Balance get cachedBalanceSecondary {
    if (cachedBalanceSecondaryString == null) {
      return Balance.zeroFor(currency: coin);
    } else {
      return Balance.fromJson(
        cachedBalanceSecondaryString!,
        coin.fractionDigits,
      );
    }
  }

  /// Special case for coins such as firo spark
  @ignore
  Balance get cachedBalanceTertiary {
    if (cachedBalanceTertiaryString == null) {
      return Balance.zeroFor(currency: coin);
    } else {
      return Balance.fromJson(
        cachedBalanceTertiaryString!,
        coin.fractionDigits,
      );
    }
  }

  @ignore
  CryptoCurrency get coin => AppConfig.getCryptoCurrencyFor(coinName)!;

  @ignore
  Balance get cachedBalance {
    if (cachedBalanceString == null) {
      return Balance.zeroFor(currency: coin);
    } else {
      return Balance.fromJson(cachedBalanceString!, coin.fractionDigits);
    }
  }

  @ignore
  Map<String, dynamic> get otherData => otherDataJsonString == null
      ? {}
      : Map<String, dynamic>.from(jsonDecode(otherDataJsonString!) as Map);

  @ignore
  bool get isViewOnly =>
      otherData[WalletInfoKeys.isViewOnlyKey] as bool? ?? false;

  @ignore
  ViewOnlyWalletType? get viewOnlyWalletType {
    final index = otherData[WalletInfoKeys.viewOnlyTypeIndexKey] as int?;
    if (index == null) return null;
    return ViewOnlyWalletType.values[index];
  }

  Future<bool> isMnemonicVerified(Isar isar) async =>
      (await isar.walletInfoMeta.where().walletIdEqualTo(walletId).findFirst())
          ?.isMnemonicVerified ==
      true;

  @ignore
  bool get isDuressVisible =>
      otherData[WalletInfoKeys.duressMarkedVisibleWalletKey] as bool? ?? false;

  @ignore
  bool get isMwebEnabled =>
      otherData[WalletInfoKeys.mwebEnabled] as bool? ?? false;

  @ignore
  bool get isLegacyAddressesEnabled =>
      otherData[WalletInfoKeys.enableLegacyAddresses] as bool? ?? false;

  //============================================================================
  //=============    Updaters   ================================================

  Future<void> updateDuressVisibilityStatus({
    required bool isDuressVisible,
    required Isar isar,
  }) async {
    await updateOtherData(
      newEntries: {
        WalletInfoKeys.duressMarkedVisibleWalletKey: isDuressVisible,
      },
      isar: isar,
    );
  }

  Future<void> updateBalance({
    required Balance newBalance,
    required Isar isar,
  }) async {
    // try to get latest instance of this from db
    final thisInfo = await isar.walletInfo.get(id) ?? this;

    final newEncoded = newBalance.toJsonIgnoreCoin();

    // only update if there were changes to the balance
    if (thisInfo.cachedBalanceString != newEncoded) {
      await isar.writeTxn(() async {
        await isar.walletInfo.delete(thisInfo.id);
        await isar.walletInfo.put(
          thisInfo.copyWith(cachedBalanceString: newEncoded),
        );
      });
    }
  }

  Future<void> updateBalanceSecondary({
    required Balance newBalance,
    required Isar isar,
  }) async {
    // try to get latest instance of this from db
    final thisInfo = await isar.walletInfo.get(id) ?? this;

    final newEncoded = newBalance.toJsonIgnoreCoin();

    // only update if there were changes to the balance
    if (thisInfo.cachedBalanceSecondaryString != newEncoded) {
      await isar.writeTxn(() async {
        await isar.walletInfo.delete(thisInfo.id);
        await isar.walletInfo.put(
          thisInfo.copyWith(cachedBalanceSecondaryString: newEncoded),
        );
      });
    }
  }

  Future<void> updateBalanceTertiary({
    required Balance newBalance,
    required Isar isar,
  }) async {
    // try to get latest instance of this from db
    final thisInfo = await isar.walletInfo.get(id) ?? this;

    final newEncoded = newBalance.toJsonIgnoreCoin();

    // only update if there were changes to the balance
    if (thisInfo.cachedBalanceTertiaryString != newEncoded) {
      await isar.writeTxn(() async {
        await isar.walletInfo.delete(thisInfo.id);
        await isar.walletInfo.put(
          thisInfo.copyWith(cachedBalanceTertiaryString: newEncoded),
        );
      });
    }
  }

  /// copies this with a new chain height and updates the db
  Future<void> updateCachedChainHeight({
    required int newHeight,
    required Isar isar,
  }) async {
    // try to get latest instance of this from db
    final thisInfo = await isar.walletInfo.get(id) ?? this;
    // only update if there were changes to the height
    if (thisInfo.cachedChainHeight != newHeight) {
      await isar.writeTxn(() async {
        await isar.walletInfo.delete(thisInfo.id);
        await isar.walletInfo.put(
          thisInfo.copyWith(cachedChainHeight: newHeight),
        );
      });
    }
  }

  /// update favourite wallet and its index it the ui list.
  /// When [customIndexOverride] is not null the [flag] will be ignored.
  Future<void> updateIsFavourite(
    bool flag, {
    required Isar isar,
    int? customIndexOverride,
  }) async {
    final int index;

    if (customIndexOverride != null) {
      index = customIndexOverride;
    } else if (flag) {
      final highest = await isar.walletInfo
          .where()
          .sortByFavouriteOrderIndexDesc()
          .favouriteOrderIndexProperty()
          .findFirst();
      index = (highest ?? 0) + 1;
    } else {
      index = -1;
    }

    // try to get latest instance of this from db
    final thisInfo = await isar.walletInfo.get(id) ?? this;

    // only update if there were changes to the height
    if (thisInfo.favouriteOrderIndex != index) {
      await isar.writeTxn(() async {
        await isar.walletInfo.delete(thisInfo.id);
        await isar.walletInfo.put(
          thisInfo.copyWith(favouriteOrderIndex: index),
        );
      });
    }
  }

  /// copies this with a new name and updates the db
  Future<void> updateName({required String newName, required Isar isar}) async {
    // don't allow empty names
    if (newName.isEmpty) {
      throw Exception("Empty wallet name not allowed!");
    }

    // try to get latest instance of this from db
    final thisInfo = await isar.walletInfo.get(id) ?? this;

    // only update if there were changes to the name
    if (thisInfo.name != newName) {
      await isar.writeTxn(() async {
        await isar.walletInfo.delete(thisInfo.id);
        await isar.walletInfo.put(thisInfo.copyWith(name: newName));
      });
    }
  }

  /// copies this with a new name and updates the db
  Future<void> updateReceivingAddress({
    required String newAddress,
    required Isar isar,
  }) async {
    // try to get latest instance of this from db
    final thisInfo = await isar.walletInfo.get(id) ?? this;
    // only update if there were changes to the name
    if (thisInfo.cachedReceivingAddress != newAddress) {
      await isar.writeTxn(() async {
        await isar.walletInfo.delete(thisInfo.id);
        await isar.walletInfo.put(
          thisInfo.copyWith(cachedReceivingAddress: newAddress),
        );
      });
    }
  }

  /// update [otherData] with the map entries in [newEntries]
  Future<void> updateOtherData({
    required Map<String, dynamic> newEntries,
    required Isar isar,
  }) async {
    // try to get latest instance of this from db
    final thisInfo = await isar.walletInfo.get(id) ?? this;

    final Map<String, dynamic> newMap = {};
    newMap.addAll(thisInfo.otherData);
    newMap.addAll(newEntries);
    final encodedNew = jsonEncode(newMap);

    // only update if there were changes
    if (thisInfo.otherDataJsonString != encodedNew) {
      await isar.writeTxn(() async {
        await isar.walletInfo.delete(thisInfo.id);
        await isar.walletInfo.put(
          thisInfo.copyWith(otherDataJsonString: encodedNew),
        );
      });
    }
  }

  /// Can be dangerous. Don't use unless you know the consequences
  Future<void> setMnemonicVerified({required Isar isar}) async {
    final meta = await isar.walletInfoMeta
        .where()
        .walletIdEqualTo(walletId)
        .findFirst();
    if (meta == null) {
      await isar.writeTxn(() async {
        await isar.walletInfoMeta.put(
          WalletInfoMeta(walletId: walletId, isMnemonicVerified: true),
        );
      });
    } else if (meta.isMnemonicVerified == false) {
      await isar.writeTxn(() async {
        await isar.walletInfoMeta.deleteByWalletId(walletId);
        await isar.walletInfoMeta.put(
          WalletInfoMeta(walletId: walletId, isMnemonicVerified: true),
        );
      });
    } else {
      throw Exception(
        "setMnemonicVerified() called on already"
        " verified wallet: $name, $walletId",
      );
    }
  }

  /// copies this with a new name and updates the db
  Future<void> updateRestoreHeight({
    required int newRestoreHeight,
    required Isar isar,
  }) async {
    // don't allow empty names
    if (newRestoreHeight < 0) {
      throw Exception("Negative restore height not allowed!");
    }

    // try to get latest instance of this from db
    final thisInfo = await isar.walletInfo.get(id) ?? this;

    // only update if there were changes to the name
    if (thisInfo.restoreHeight != newRestoreHeight) {
      await isar.writeTxn(() async {
        await isar.walletInfo.delete(thisInfo.id);
        await isar.walletInfo.put(
          thisInfo.copyWith(restoreHeight: newRestoreHeight),
        );
      });
    }
  }

  /// copies this with a new name and updates the db
  Future<void> updateContractAddresses({
    required Set<String> newContractAddresses,
    required Isar isar,
  }) async {
    await updateOtherData(
      newEntries: {
        WalletInfoKeys.tokenContractAddresses: newContractAddresses.toList(),
      },
      isar: isar,
    );
  }

  /// Update Solana token mint addresses and update the db.
  Future<void> updateSolanaTokenMintAddresses({
    required Set<String> newMintAddresses,
    required Isar isar,
  }) async {
    await updateOtherData(
      newEntries: {
        WalletInfoKeys.solanaTokenMintAddresses: newMintAddresses.toList(),
      },
      isar: isar,
    );
  }

  /// Update custom Solana token mint addresses and update the db.
  Future<void> updateSolanaCustomTokenMintAddresses({
    required List<String> newMintAddresses,
    required Isar isar,
  }) async {
    await updateOtherData(
      newEntries: {
        WalletInfoKeys.solanaCustomTokenMintAddresses: newMintAddresses
            .toList(),
      },
      isar: isar,
    );
  }

  Future<void> setMwebEnabled({
    required bool newValue,
    required Isar isar,
  }) async {
    await updateOtherData(
      newEntries: {WalletInfoKeys.mwebEnabled: newValue},
      isar: isar,
    );
  }

  //============================================================================

  WalletInfo({
    required this.walletId,
    required this.name,
    required this.mainAddressType,
    required this.coinName,

    // cachedReceivingAddress should never actually be empty in practice as
    // on wallet init it will be set
    this.cachedReceivingAddress = "",
    this.favouriteOrderIndex = -1,
    this.cachedChainHeight = 0,
    this.restoreHeight = 0,
    this.cachedBalanceString,
    this.cachedBalanceSecondaryString,
    this.cachedBalanceTertiaryString,
    this.otherDataJsonString,
  }) : assert(AppConfig.coins.map((e) => e.identifier).contains(coinName));

  WalletInfo copyWith({
    String? name,
    AddressType? mainAddressType,
    String? cachedReceivingAddress,
    String? cachedBalanceString,
    String? cachedBalanceSecondaryString,
    String? cachedBalanceTertiaryString,
    String? coinName,
    int? favouriteOrderIndex,
    int? cachedChainHeight,
    int? restoreHeight,
    String? otherDataJsonString,
  }) {
    return WalletInfo(
      walletId: walletId,
      name: name ?? this.name,
      mainAddressType: mainAddressType ?? this.mainAddressType,
      cachedReceivingAddress:
          cachedReceivingAddress ?? this.cachedReceivingAddress,
      cachedBalanceString: cachedBalanceString ?? this.cachedBalanceString,
      cachedBalanceSecondaryString:
          cachedBalanceSecondaryString ?? this.cachedBalanceSecondaryString,
      cachedBalanceTertiaryString:
          cachedBalanceTertiaryString ?? this.cachedBalanceTertiaryString,
      coinName: coinName ?? this.coinName,
      favouriteOrderIndex: favouriteOrderIndex ?? this.favouriteOrderIndex,
      cachedChainHeight: cachedChainHeight ?? this.cachedChainHeight,
      restoreHeight: restoreHeight ?? this.restoreHeight,
      otherDataJsonString: otherDataJsonString ?? this.otherDataJsonString,
    )..id = id;
  }

  static WalletInfo createNew({
    required CryptoCurrency coin,
    required String name,
    int restoreHeight = 0,
    String? walletIdOverride,
    String? otherDataJsonString,
    AddressType? overrideAddressType, // added hack for spark view only wallets
  }) {
    return WalletInfo(
      coinName: coin.identifier,
      walletId: walletIdOverride ?? const Uuid().v1(),
      name: name,
      mainAddressType: overrideAddressType ?? coin.defaultAddressType,
      restoreHeight: restoreHeight,
      otherDataJsonString: otherDataJsonString,
    );
  }

  @Deprecated("Legacy support")
  factory WalletInfo.fromJson(
    Map<String, dynamic> jsonObject,
    AddressType mainAddressType,
  ) {
    final coin = AppConfig.getCryptoCurrencyFor(jsonObject["coin"] as String)!;
    return WalletInfo(
      coinName: coin.identifier,
      walletId: jsonObject["id"] as String,
      name: jsonObject["name"] as String,
      mainAddressType: mainAddressType,
    );
  }

  @Deprecated("Legacy support")
  Map<String, String> toMap() {
    return {"name": name, "id": walletId, "coin": coin.identifier};
  }

  @Deprecated("Legacy support")
  String toJsonString() {
    return jsonEncode(toMap());
  }

  @override
  String toString() {
    return "WalletInfo: ${toJsonString()}";
  }
}

abstract class WalletInfoKeys {
  static const String tokenContractAddresses = "tokenContractAddressesKey";
  static const String epiccashData = "epiccashDataKey";
  static const String mimblewimblecoinData = "mimblewimblecoinDataKey";
  static const String bananoMonkeyImageBytes = "monkeyImageBytesKey";
  static const String tezosDerivationPath = "tezosDerivationPathKey";
  static const String xelisDerivationPath = "xelisDerivationPathKey";
  static const String firoSparkCacheSetBlockHashCache =
      "firoSparkCacheSetBlockHashCacheKey";
  static const String enableOptInRbf = "enableOptInRbfKey";
  static const String reuseAddress = "reuseAddressKey";
  static const String isViewOnlyKey = "isViewOnlyKey";
  static const String viewOnlyTypeIndexKey = "viewOnlyTypeIndexKey";
  static const String duressMarkedVisibleWalletKey =
      "duressMarkedVisibleWalletKey";
  static const String mwebEnabled = "mwebEnabledKey";
  static const String mwebScanHeight = "mwebScanHeightKey";
  static const String firoSparkUsedTagsCacheResetVersion =
      "firoSparkUsedTagsCacheResetVersionKey";
  static const String enableLegacyAddresses = "enableLegacyAddressesKey";
  static const String solanaTokenMintAddresses = "solanaTokenMintAddressesKey";
  static const String solanaCustomTokenMintAddresses =
      "solanaCustomTokenMintAddressesKey";
  static const String isRestoredFromKeysKey = "isRestoredFromKeysKey";
}