import 'package:sxchnge_auth/sxchnge_auth.dart';

import '../models/wallet.dart';
import '../transport/backend.dart';
import '../transport/wallet.dart';

abstract final class BackendMapper {
  static Map<String, Object?> request(TransferRequest r) => {
    'kind': r.kind.name,
    'source': r.source,
    'destination': r.destination ?? '',
    'amount': r.amount,
    'recipient': r.recipient,
  };
  static WalletSnapshot snapshot(BackendDTO d) => WalletSnapshot(
    accounts: d.accounts.map(WalletMapper.account).toList(),
    operations: d.operations.map(WalletMapper.operation).toList(),
  );
  static Quote quote(BackendDTO d) => WalletMapper.quote(d.quoteValue);
  static WalletOperation? operation(BackendDTO d) => d.operationValue == null
      ? null
      : WalletMapper.operation(d.operationValue!);
  static AccountProfile profile(BackendDTO d) =>
      WalletMapper.profile(ProfileDTO(d.locale));
  static FactorChallenge challenge(
    BackendDTO d,
    FactorPurpose purpose,
    String operation,
  ) {
    final c = d.challenge;
    return FactorChallenge(
      id: c.id,
      purpose: purpose,
      operation: operation,
      target: c.target,
      expiresAt: c.expires,
      resendAt: c.resend,
    );
  }

  static WalletError failure(BackendDTO d) =>
      WalletError.values.where((v) => v.name == d.error).firstOrNull ??
      WalletError.unavailable;
  static FactorError factorFailure(BackendDTO d) => switch (d.error) {
    'factorInvalid' => FactorError.invalid,
    'factorExpired' || 'expiredQuote' => FactorError.expired,
    'factorLocked' => FactorError.locked,
    'factorCooldown' => FactorError.cooldown,
    'factorRequired' => FactorError.required,
    _ => FactorError.unavailable,
  };
}