import config from "config";
import OB,{ DeepPartial } from "@onebro/oba-common";
import { coreConfig } from "@onebro/oba-core-api";
import { OBAExpressApiConfig } from "./express-api-main";

const setDefaultConfigWithEnvironment = <Sockets = undefined>():OBAExpressApiConfig<Sockets> => {
  const host = process.env.HOST || OB.appvar("_HOST");
  const port = Number(process.env.PORT || OB.appvar("_PORT"));
  const origins = OB.appvar("_ORIGINS");
  const providers = OB.appvar("_PROVIDERS");
  const consumers = OB.appvar("_CONSUMERS");
  const settings = {checkConn:false};
  const initial:OBAExpressApiConfig<Sockets> = config.get("appconfig");
  const coreRuntime = OB.mergeObj(initial,coreConfig(),false);
  const atRuntime:DeepPartial<OBAExpressApiConfig<Sockets>> = {
    vars:{host,port,providers,consumers,settings},
    middleware:{cors:{origins},cors_ext:{origins}},
  };
  const expressConfig = OB.mergeObj(coreRuntime,atRuntime,false) as OBAExpressApiConfig<Sockets>;
  return expressConfig;
};
export {setDefaultConfigWithEnvironment as expressConfig};