import passport  from 'passport';
import { Strategy as JwtStrategy, ExtractJwt }  from 'passport-jwt';
import { Strategy as LocalStratergy }  from 'passport-local';
import { Strategy as LocalAPIKeyStrategy }  from 'passport-localapikey-update';
import bcrypt  from 'bcryptjs';

import { getUser }  from './db/user';

const jwtOptions = {
  jwtFromRequest: ExtractJwt.fromHeader('authorization'),
  secretOrKey: process.env.JWT_SECRET,
};

passport.use(
  new JwtStrategy(jwtOptions, async (payload, done) => {
    try {
      const user = await getUser(payload.sub);
      if (!user) return done(null, false);
      return done(null, user);
    } catch (err) {
      return done(err);
    }
  })
);

const localOptions = {
  usernameField: 'email',
};

passport.use(
  new LocalStratergy(localOptions, async (email, password, done) => {
    try {
      const user = await getUser(email);
      if (!user) {
        return done(null, false);
      }
      const isMatch = await bcrypt.compare(password, user.password);
      if (!isMatch) {
        return done(null, false);
      }
      return done(null, user);
    } catch (err) {
      return done(err);
    }
  })
);

const localAPIKeyOptions = {
  apiKeyField: 'apikey',
  apiKeyHeader: 'x-api-key',
};

passport.use(
  new LocalAPIKeyStrategy(localAPIKeyOptions, async (apikey, done) => {
    try {
      const user = await getUser(apikey);
      if (!user) {
        return done(null, false);
      }
      return done(null, user);
    } catch (err) {
      return done(err);
    }
  })
);