// Relution APIs
const pushService = require('relution/push.js');
import * as Q from 'q';

/**
* module providing direct access to push.
*
* registers a push target device.
*
* <p>
* The method attempts fetching an existing device using the metadata
* information given. This either works by providing a UUID or using
* heuristics based on information typically extracted using Cordova device
* plugin. The latter approach solves the potential problem when the client
* is uninstalled and reinstalled so that device local information is lost.
* </p>
* <p>
* If it finds one, that device is updated. Otherwise a new
* device is created and stored in the database.
* </p>
* @link [RelutionSDK Push APi](https://relution-io.github.io/relution-sdk/modules/_push_push_.html)
* @param app express.js application to hook into.
*/

export function init(app: any) {
  app.post('/api/v1/push/registration',
    /**
    * register the device on the push Service
    *
    * @param req containing body JSON to pass as input.
    * @param res result of call is provided as JSON body data.
    * @param next function to invoke error handling.
    */
    function serviceCall(req: any, res: any, next: any) {
      Q(pushService.registerPushDevice(req.body)).then(res.json.bind(res), next).done();
    }
  );

  app.post('/api/v1/push',
    /**
    * posts push notification(s).
    *
    * @param req containing body JSON to pass as input.
    * @param res result of call is provided as JSON body data.
    * @param next function to invoke error handling.
    */
    function serviceCall(req: any, res: any, next: any) {
      Q(pushService.postPushNotification(req.body)).then(res.json.bind(res), next).done();
    }
  );

  app.get('/api/v1/push/:uuid',
    /**
    * gets push notification status.
    *
    * @param req containing body JSON to pass as input.
    * @param res result of call is provided as JSON body data.
    * @param next function to invoke error handling.
    */
    function serviceCall(req: any, res: any, next: any) {
      Q(pushService.fetchPushNotification(req.params.uuid)).then(res.json.bind(res), next).done();
    }
  );
}