import path from 'path';
import swig from 'swig';
import config from 'config';

const basepath = ( process.cwd() );

const swigDefaults = {
    autoescape: true,
    loader: swig.loaders.fs( path.resolve( path.join( basepath, 'server', 'views' ) ) ),
    locals: {
        app: config.has( 'app' ) ? config.get( 'app' ) : {},
    },
};

export default ( app ) => {
    if ( app.get( 'env' ) === 'development' ) {
        app.set( 'view cache', false );
        swigDefaults.cache = false;
    }
    if ( app.get( 'env' ) === 'production' ) {
        swigDefaults.cache = 'memory';
    }

    swig.setDefaults( swigDefaults );
    app.engine( 'html', swig.renderFile );
    app.set( 'views', path.resolve( path.join( basepath, 'server', 'views' ) ) );
};