import { Module } from '@rxdi/core';
import { AuthService } from './services/auth/auth.service';
import { HookService, RESOLVER_HOOK, GenericGapiResolversType, ON_REQUEST_HANDLER, GRAPHQL_PLUGIN_CONFIG, Boom } from '@gapi/core';
import { ResponseToolkit, Request } from 'hapi';

@Module({
    services: [
        AuthService,
        {
            provide: RESOLVER_HOOK,
            deps: [HookService],
            useFactory: (hookService: HookService) => (resolver: GenericGapiResolversType) => {
                const resolve = resolver.resolve.bind(resolver.target);
                resolver.resolve = function (root, args, context, info, ...a) {
                    // console.log(resolver);
                    hookService.ResolverHooks(<any>resolver, root, args, context, info);
                    return resolve(root, args, context, info, ...a);
                };
            }
        },
        {
            provide: ON_REQUEST_HANDLER,
            deps: [AuthService, GRAPHQL_PLUGIN_CONFIG],
            useFactory: (auth: AuthService, config: GRAPHQL_PLUGIN_CONFIG) =>
                async (next, request: Request, h: ResponseToolkit, err: Error) => {
                    if (request.headers.authorization && request.headers.authorization !== 'undefined') {
                        try {
                            config.graphqlOptions.context = await auth.validateToken(request.headers.authorization);
                            config.graphqlOptions.context['user'] = config.graphqlOptions.context;
                        }
                        catch (e) {
                            return Boom.unauthorized();
                        }
                    } else {
                        config.graphqlOptions.context = null;
                    }
                    return next();
                }
        }
    ]
})
export class CoreModule {}