const passport = require("passport");
const LocalStrategy = require("passport-local").Strategy;
const bcrypt = require("bcryptjs");
const User = require("./models/user.js");

const passportInit = () => {
  passport.use(
    "local",
    new LocalStrategy(async function verify(username, password, done) {
      const user = await User.findOne({ username: username }).lean().exec();
      if (!user) {
        return done(null, false, { message: "Incorrect username" });
      }
      const match = await bcrypt.compare(password, user.password);
      if (!match) {
        return done(null, false, { message: "Incorrect password" });
      }
      return done(null, user);
    })
  );

  passport.serializeUser((user, done) => {
    done(null, user);
  });

  passport.deserializeUser(async (user, done) => {
    try {
      done(null, user);
    } catch (err) {
      done(err);
    }
  });
};

module.exports = passportInit;