import { createConnection, getConnectionManager } from 'typeorm';

export const databaseProviders = [
    {
        provide: 'DATABASE_CONNECTION',
        useFactory: async () => {
            try {
                return await createConnection({
                    type: 'mongodb',
                    url:
                        process.env.MONGODB_URI ||
                        'mongodb://localhost:27017',
                    useNewUrlParser: true,
                    logging: true,
                    useUnifiedTopology: true,
                    entities: [__dirname + '/../../**/*.entity{.ts,.js}'],
                    // synchronize: true,
                });
            } catch (err) {
                // If AlreadyHasActiveConnectionError occurs, return already existent connection
                if (err.name === 'AlreadyHasActiveConnectionError') {
                    const existentConn = getConnectionManager().get('default');
                    return existentConn;
                }
                console.error(err);
            }
        },
    },
];