# All files / utils/services/config config.service.ts

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     import { readFileSync } from 'fs';
    import { AmqpConfigInterface, AppConfigInterface } from './config.interface';
    import { GraphQLObjectType } from 'graphql';
    import { ControllerContainerService } from '../../services/controller-service/controller.service';
    import { SchemaService } from '../../services/schema/schema.service';
    import { Service } from '../../../utils/container/index';
    import { Container } from '../../container/Container';
    import { ConnectionHookService } from '../../services/connection-hook/connection-hook.service';

    @Service()
    export class ConfigService {
        cert: Buffer;
        AMQP_CONFIG: AmqpConfigInterface = {
            host: process.env.AMQP_HOST || '182.10.0.5',
            port: process.env.AMQP_PORT || 5672
        };
        APP_CONFIG: AppConfigInterface = {
            graphiql: process.env.GRAPHIQL === 'true' ? true : false,
            cert: this.cert,
            schema: null,
            uploadFolder: '',
            // tslint:disable-next-line:max-line-length
            port: process.env.API_PORT || process.env.PORT || 9000,
            cyper: <any>{
                iv: 'Jkyt1H3FA8JK9L3A',
                privateKey: '8zTVzr3p53VC12jHV54rIYu2545x47lY',
                algorithm: 'aes256',
                key: ''
            },
            connectionHooks: this.connectionHookService,
            ethereumApi: process.env.ETHEREUM_API || 'http://localhost:7545' || 'http://pub-node1.etherscan.io:8545'
        };
        constructor(
            private connectionHookService: ConnectionHookService
        ) {
            try {
                this.cert = readFileSync(process.env.API_CERT || './cert.key');
                this.APP_CONFIG.cert = this.cert;
            } catch (e) {
                console.log('This server will be runned without authentication!');
                this.cert = null;
                this.APP_CONFIG.cert = null;
            }
        }

        getApp() {
            return this.APP_CONFIG;
        }

        getAmqp() {
            return this.AMQP_CONFIG;
        }

        setAppConfig(config: AppConfigInterface) {
            this.APP_CONFIG = config;
        }

        static forRoot(config: { APP_CONFIG?: AppConfigInterface, AMQP_CONFIG?: AmqpConfigInterface }) {
            const configService = Container.get(ConfigService);
            configService.APP_CONFIG = config.APP_CONFIG;
            configService.AMQP_CONFIG = config.AMQP_CONFIG;
            return ConfigService;
        }
    }