const koa = require("koa");
const app = koa();
const route = require("koa-route");
const passport = require("koa-passport");
const session = require("koa-session");
app.keys = ['this is a secret'];


var OpenIDStrategy = require('passport-openid').Strategy;
var SteamStrategy = new OpenIDStrategy({

        providerURL: 'https://steamcommunity.com/openid',
        stateless: true,

        returnURL: 'http://localhost:8888/returnSteamLogin',
        realm: 'http://localhost:8888',
    },

    function(identifier, done) {
      process.nextTick(() => {
        var user = {
          identifier: identifier,
          steamId: identifier.match(/\d+$/)[0]
        };
        return done(null, user);

      });
   });

passport.serializeUser(function(user, done) {
    done(null, user.steamId);
});
passport.deserializeUser(function(identifier, done) {
    done(null, {
        steamId: identifier
    });
});


passport.use(SteamStrategy);

app.use(session(app));

app.use(passport.initialize());
app.use(passport.session());



app.use(route.get("/signInThroughSteam", passport.authenticate("openid")));

app.use(route.get("/returnSteamLogin", passport.authenticate("openid"), function*() {
    //I know cannot access the return URL because I get an error
}));

app.listen(8888);