import app from "app";
import jwt from "passport-jwt";
import fastifyPassport from "@fastify/passport";
import fastifySecureSession from "@fastify/secure-session";
import config from "config";
import fs from "fs";
import path from "path";
import { err } from "lib/logging";
import { g } from "lib/redis";

app.register(fastifySecureSession, {
  key: Buffer.from(config.jwt, "hex")
});

app.register(fastifyPassport.initialize());
app.register(fastifyPassport.secureSession());

function cookieExtractor(req) {
  if (req && req.cookies) {
    return req.cookies["token"];
  }
  return null;
}

fastifyPassport.use(
  "jwt",
  new jwt.Strategy(
    {
      jwtFromRequest: jwt.ExtractJwt.fromExtractors([
        jwt.ExtractJwt.fromAuthHeaderAsBearerToken(),
        cookieExtractor
      ]),
      secretOrKey: config.jwt
    },
    async (payload, next) => {
      try {
        let { uuid } = payload;
        let user = await g(`user:${uuid}`);
        next(null, user);
      } catch (e) {
        console.log("payload", payload);
        if (!e.message.includes("locked")) {
          console.log(e);
          err("problem logging in", e);
        }
        next(null, { username: "guest" });
      }
    }
  )
);

export const optionalAuth = {
  preValidation: fastifyPassport.authenticate(
    "jwt",
    { session: false },
    function(req, res, err, user, info) {
      req.user = user;
    }
  )
};

export const adminAuth = {
  preValidation: fastifyPassport.authenticate(
    "jwt",
    { session: false },
    function(req, res, err, user, info) {
      if (!(user && user.admin)) return res.code(401).send("Unauthorized");
      req.user = user;
    }
  )
};

export const auth = {
  preValidation: fastifyPassport.authenticate("jwt", {
    authInfo: false,
    session: false
  })
};