const Hapi = require('@hapi/hapi');
const Boom = require('@hapi/boom');
const Toys = require('@hapipal/toys');

(async () => {

    const server = Hapi.server();

    // Make a one-off auth strategy for testing
    Toys.auth.strategy(server, 'name-from-param', (request, h) => {

        // Yes, perhaps not the most secure
        const { username } = request.params;

        if (!username) {
            throw Boom.unauthorized(null, 'Custom');
        }

        return h.authenticated({ credentials: { user: { name: username } } });
    });

    // Make function to efficiently index into a request to grab an authed user's name
    const grabAuthedUsername = Toys.reacher('auth.credentials.user.name');

    // Default all route methods to "get", unless otherwise specified
    const defaultToGet = Toys.withRouteDefaults({ method: 'get' });

    server.route(
        defaultToGet([
            {
                method: 'post',
                path: '/',
                handler: (request) => {

                    return { posted: true };
                }
            },
            {   // Look ma, my method is defaulting to "get"!
                path: '/as/{username}',
                options: {
                    auth: 'name-from-param', // Here's our simple auth strategy
                    handler: (request) => {

                        // grabAuthedUsername() is designed to be quick
                        const username = grabAuthedUsername(request);

                        return { username };
                    }
                }
            }
        ])
    );

    await server.start();

    console.log(`Now, go forth and ${server.info.uri}/as/your-name`);
})();