firebase.auth().onAuthStateChanged(user => {
    if (user) {
        document.querySelector('#addMemberForm').addEventListener('submit', (e) => {
            e.preventDefault();
            addMember();
        })

        $('#randomPass').click(() => {
            var email = $('#textEmail').val()
            var phone = $('#textPhoneNumber').val()
            var randomPassword = email.substring(0, 2) + phone.substring(5, 10) + email.substring(1, 3) + email.substring(2, 6) + email.substring(0, 2) + phone.substring(5, 6) + email.substring(2, 3) + email.substring(0, 1)
            randomPassword = randomPassword.split("").reverse().join("").substring(5, 11)
            $('#textPassword').val(randomPassword)
        })

        $('#addMemberForm').keyup(function () {
            var email = $('#textEmail').val()
            var phone = $('#textPhoneNumber').val()
            if (email && phone) {
                $('#randomPass').attr('disabled', false)
            }
        })
        addMember = () => {
            var firstname = $('#textFirstName').val()
            var lastname = $('#textLastName').val()
            var phone = $('#textPhoneNumber').val()
            var email = $('#textEmail').val()
            var password = $('#textPassword').val()

            firebase.auth().createUserWithEmailAndPassword(email, password)
            .catch(() => {
                somethingWrong('add_member.html')
            })
        }
    }
})