import { Router, Request } from "express";
import RequestError, { HttpStatusCode } from "../../helper/request_error";
import promiseMiddleware from "../../helper/promiseMiddleware";
import Client from "../../models/client";
import verify, { Types } from "../middlewares/verify";
import { randomBytes } from "crypto";


const ClientRouter: Router = Router();
ClientRouter.route("/")
   /**
    * @api {get} /admin/client
    * @apiName AdminGetClients
    * 
    * @apiGroup admin_client
    * @apiPermission admin
    * 
    * @apiSuccess {Object[]} clients
    * @apiSuccess {String} clients._id The internally used id
    * @apiSuccess {String} clients.maintainer
    * @apiSuccess {Boolean} clients.internal
    * @apiSuccess {String} clients.name
    * @apiSuccess {String} clients.redirect_url
    * @apiSuccess {String} clients.website
    * @apiSuccess {String} clients.logo
    * @apiSuccess {String} clients.client_id Client ID used outside of DB
    * @apiSuccess {String} clients.client_secret
    */
   .get(promiseMiddleware(async (req, res) => {
      let clients = await Client.find({});
      //ToDo check if user is required!
      res.json(clients);
   }))
   /**
    * @api {get} /admin/client
    * @apiName AdminAddClients
    * 
    * @apiGroup admin_client
    * @apiPermission admin
    * 
    * @apiParam {Boolean} internal Is it an internal app
    * @apiParam {String} name
    * @apiParam {String} redirect_url
    * @apiParam {String} website
    * @apiParam {String} logo
    * 
    * @apiSuccess {Object[]} clients
    * @apiSuccess {String} clients._id The internally used id
    * @apiSuccess {String} clients.maintainer
    * @apiSuccess {Boolean} clients.internal
    * @apiSuccess {String} clients.name
    * @apiSuccess {String} clients.redirect_url
    * @apiSuccess {String} clients.website
    * @apiSuccess {String} clients.logo
    * @apiSuccess {String} clients.client_id Client ID used outside of DB
    * @apiSuccess {String} clients.client_secret
    */
   .post(verify({
      internal: {
         type: Types.BOOLEAN,
         optional: true
      },
      name: {
         type: Types.STRING
      },
      redirect_url: {
         type: Types.STRING
      },
      website: {
         type: Types.STRING
      },
      logo: {
         type: Types.STRING,
         optional: true
      }
   }, true), promiseMiddleware(async (req, res) => {
      req.body.client_secret = randomBytes(32).toString("hex");
      let client = Client.new(req.body);
      client.maintainer = req.user._id;
      await Client.save(client)
      res.json(client);
   }))

ClientRouter.route("/:id")
   /**
    * @api {delete} /admin/client/:id
    * @apiParam {String} id Client _id
    * @apiName AdminDeleteClient
    * 
    * @apiGroup admin_client
    * @apiPermission admin
    * 
    * @apiSuccess {Boolean} success
    */
   .delete(promiseMiddleware(async (req, res) => {
      let { id } = req.params;
      await Client.delete(id);
      res.json({ success: true });
   }))
   /**
    * @api {put} /admin/client/:id
    * @apiParam {String} id Client _id
    * @apiName AdminUpdateClient
    * 
    * @apiGroup admin_client
    * @apiPermission admin
    * 
    * @apiParam {Boolean} internal Is it an internal app
    * @apiParam {String} name
    * @apiParam {String} redirect_url
    * @apiParam {String} website
    * @apiParam {String} logo
    * 
    * @apiSuccess {String} _id The internally used id
    * @apiSuccess {String} maintainer UserID of client maintainer
    * @apiSuccess {Boolean} internal Defines if it is a internal client
    * @apiSuccess {String} name The name of the Client
    * @apiSuccess {String} redirect_url Redirect URL after login
    * @apiSuccess {String} website Website of Client
    * @apiSuccess {String} logo The Logo of the Client (optional)
    * @apiSuccess {String} client_id Client ID used outside of DB 
    * @apiSuccess {String} client_secret The client secret, that can be used to obtain token
    */
   .put(verify({
      internal: {
         type: Types.BOOLEAN,
         optional: true
      },
      name: {
         type: Types.STRING,
         optional: true
      },
      redirect_url: {
         type: Types.STRING,
         optional: true
      },
      website: {
         type: Types.STRING,
         optional: true
      },
      logo: {
         type: Types.STRING,
         optional: true
      }
   }, true), promiseMiddleware(async (req, res) => {
      let { id } = req.query;
      let client = await Client.findById(id);
      if (!client) throw new RequestError(req.__("Client not found"), HttpStatusCode.BAD_REQUEST);
      for (let key in req.body) {
         client[key] = req.body[key];
      }
      await Client.save(client);
      res.json(client);
   }))


export default ClientRouter;