// data/models/Passport.ts

import * as mongoose from 'mongoose'
import * as passport from 'passport'
import * as passportLocalMongoose from 'passport-local-mongoose'
import Model from './mongoose'

(mongoose as any).Promise = global.Promise
const ObjectIdType = mongoose.Schema.Types.ObjectId

const Passport: any = new Model({
  plugin: passportLocalMongoose,
  pluginOptions: {
    usernameUnique: true,
  },
  schema: {
    userId: { type: ObjectIdType, ref: 'User' }
  },
  title : 'Passport',
})
Passport.register = function (obj: any, pass: any) {
  return new Promise(resolve =>
    this.Collection.register(obj, pass,
      (err: any, res: any) => resolve(res)))
}
Passport.login = async function (ctx: any, user: string, pass: string) {
  let res = {};
  console.log('loginUser user> ', ctx.req.user) // should not be undefined after first
  if (typeof ctx.req.user === 'undefined') {
    ctx.req.body.username = user
    ctx.req.body.password = pass

    const auth = new Promise(function(resolve, reject) {
      passport.authenticate('local', function(err, user, info) {
        if (err) {
          reject(err);
        }
        if (info && info.name && info.name.indexOf('Error') !== -1) {
          reject(new Error(info.message));
        }
        if (!user) {
          reject(new Error('No user returned'));
        }
        ctx.req.logIn(user, function(err: any) {
          if (err) {
            reject(err);
          }
          resolve(user);
        });
      })(ctx.req);
    });

    await auth
      .then(user => {
        res = user;
      })
      .catch(err => {
        res = err;
      });
  } else {
    res = new Error('Already logged in');
  }
  return res;
}