function validateEmail(email) {
  var re = /^(([^<>()[\]\\.,;:\s@\"]+(\.[^<>()[\]\\.,;:\s@\"]+)*)|(\".+\"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;
  return re.test(email);
}
var career_app = new Vue({
  el: '#career_app',
  data: {
    full_name: '',
    email: '',
    phone: '',
    job: '',
    file:'',
    isNotFile: false,
    isFileBig: false,
    errorInput: false,
  },
  methods: {
        attach_file: function(event){
            if (event) {
                event.preventDefault();
                event.stopImmediatePropagation()
            }
            $("#attached_file").trigger('click')
            this.isNotFile = false;
            this.isFileBig = false;
        },
        onSubmit(e) {
            this.errorInput = !this.full_name || !this.email || !this.phone || !this.job;
            if(this.errorInput){
                e.preventDefault();
                return;
            }
            if(!validateEmail(this.email)){
                this.errorInput = true
                this.email = ''
                e.preventDefault();
                return;
            }
            var file = this.$refs.file.files[0];

            if (!file) {
                e.preventDefault();
                this.isNotFile = true;
                return;
            }
            if (file.size > 3 * 1024 * 1024) {
                e.preventDefault();
                this.isFileBig = true;
                return;
            }
        }, 
  }
})