import { Injectable, Logger, OnModuleInit } from '@nestjs/common';
import { getErrorMessage } from '../../../utils/getErrorMessage';
import { ElectrumWalletRpcClient } from './ElectrumWalletRpcClient';

@Injectable()
export class ElectrumWalletRpcConnectionService implements OnModuleInit {
    private readonly logger = new Logger(ElectrumWalletRpcConnectionService.name);

    constructor(private readonly walletRpcClient: ElectrumWalletRpcClient) {}

    async onModuleInit(): Promise<void> {
        try {
            const version = await this.walletRpcClient.getVersion();

            this.logger.log(`Connected to electrum-daemon (version ${version})`);
        } catch (error) {
            this.logger.error(`Failed to reach electrum-daemon at startup: ${getErrorMessage(error)}`);
        }
    }
}