const _ = require('lodash');
const passport = require('passport');
const { Strategy: LocalStrategy } = require('passport-local');
const { Strategy: JWTStrategy} = require('passport-jwt');

const models = require('./models');
const securityHelper = require('../helpers/security.helper');
const authService = require('../modules/auth/auth.service');

/**
 * Validación sobre firebase
 */
var admin = require('firebase-admin');
var serviceAccount = require('../firebase-key.json');
admin.initializeApp({
    credential: admin.credential.cert(serviceAccount),
    databaseURL: "https://app-lqdvi-v2.firebaseio.com"
});

passport.serializeUser((user, done) => {
    console.log('serializarUsuario');
    done(null, user.id);
});

passport.deserializeUser((id, done) => {
    console.log('desserializarUsuario');
    models.User.findById(id, (err, user) => {
        done(err, user);
    });
});

/**
 * Sign in using Email and Password.
 */
const localEmailOptions = {
    usernameField: 'email',
    passwordField: 'password',
}

passport.use('local-email', new LocalStrategy(localEmailOptions, async (email, password, done) => {
    try {
        const user = await authService.extraMethods.findUser({ email });

        if (_.isNull(user)) {
            return done(null, false, { message: 'User not found' })
        } else {
            const isPasswordValid = await user.comparePassword(password);

            if (!isPasswordValid) {
                return done(null, false, { message: 'Wrong Password' })
            } else {
                delete user.password;
                return done(null, user, { message: 'Logged in Successfully' });
            }
        }
    } catch (error) {
        return done(error);
    }
}));


/**
 * Register using phone.
 */
const localPhoneOptions = {
    usernameField: 'phone',
    passwordField: 'fbuid',    
 }

passport.use('local-phone', new LocalStrategy(localPhoneOptions, async (phone, fbuid, done) => {
    try {
        const user = await authService.extraMethods.findUser({ phone, fbuid });

        if (_.isNull(user)) {
           admin.auth().getUserByPhoneNumber(phone)
           .then(function(userRecord) {
                if (userRecord && userRecord.toJSON().uid == fbuid) {
                    console.log(userRecord.toJSON());
                    console.log('DEBO COMPROBAR EL ESTADO DEL MOVIL SI ESTA HABILITADO O NO');
                    const user = authService.extraMethods.createUser({phone, fbuid});
                    console.log('dar de alta el usuario')
                  }
                  else {
                    console.log("Me quieres engañar ");           
                    return done(null, false, { message: 'User not validate in fb' })                                    
                  }
                })
            .catch(function (error) {
                return done(null, user, error);
            })
        } else {
            return done(null, user, { message: 'User found' });
        }
    } catch (error) {
        return done(null, false, error);
    }
}));

// JWT
passport.use('jwt', new JWTStrategy(securityHelper.jwtOptions, async (jwtPayload, done) => {
    try {        
        const user = await models.User.findOne({ 
            attributes: { exclude: [ 'password' ] },
            where: { id: jwtPayload.id }, 
            raw: true 
        });

        if (_.isNull(user)) {
            return done(null, false, { message: 'User not found' })
        } else {
            return done(null, user, { message: 'User found' });
        }
    } catch (error) {
        return done(error);
    }
}));