Magento Brazilian Address Autocomplete (Firecheckout compatible)

firecheckout-brazillian-address-autocomplete.js

window.addEventListener('load', function(){
    Postmon = {
        data: {},
        uf: {AC:"Acre",AL:"Alagoas",AP:"Amapá",AM:"Amazonas",BA:"Bahia",CE:"Ceará",DF:"Distrito Federal",ES:"Espírito Santo",GO:"Goiás",MA:"Maranhão",MT:"Mato Grosso",MS:"Mato Grosso do Sul",MG:"Minas Gerais",PA:"Pará",PB:"Paraíba",PR:"Paraná",PE:"Pernambuco",PI:"Piauí",RJ:"Rio de Janeiro",RN:"Rio Grande do Norte",RS:"Rio Grande do Sul",RO:"Rondônia",RR:"Roraima",SC:"Santa Catarina",SP:"São Paulo",SE:"Sergipe",TO:"Tocantins"},
        autofill: function() {
            if ($j('#billing\\:street1').val().trim() == '' && typeof this.data.logradouro != 'undefined') {
                $j('#billing\\:street1').val(this.data.logradouro);
            }
    
            if ($j('#billing\\:street4').val().trim() == '' && typeof this.data.bairro != 'undefined') {
                $j('#billing\\:street4').val(this.data.bairro);
            }
    
            if ($j('#billing\\:city').val().trim() == '') {
                if (typeof this.data.cidade != 'undefined') {
                    $j('#billing\\:city').val(this.data.cidade);
                } else if (typeof this.data.localidade != 'undefined') {
                    $j('#billing\\:city').val(this.data.localidade);
                }
            }
    
            if ($j('#billing\\:region_id').val() == '') {
                var ufName = '';
                if (typeof this.data.estado != 'undefined') {
                    ufName = this.uf[this.data.estado];
                } else if (typeof this.data.uf != 'undefined') {
                    ufName = this.uf[this.data.uf];
                }

                if (ufName != '') {
                    $j('#billing\\:region_id option:contains("' + ufName + '")').attr('selected', true);
                    $j('#billing\\:region_id').val(
                        $j('#billing\\:region_id option:contains("' + ufName + '")').val()
                    );
                }
            }
        }
    };

    Validation.add('validate-postmon', Translator.translate('Invalid Zip Code'), function(v){
        var test = true;
        var postcode = v.replace(/[^0-9]/g, '');

        if (postcode.length != 8) {
            test = false;
        } else {
            $j.ajax({
                //url: 'https://api.postmon.com.br/v1/cep/' + postcode,
                url: ['https://viacep.com.br/ws/', postcode, '/json/'].join(''),
                method: 'GET',
                async: false,
                timeout: 5000,
                success: function(response) {
                    if (typeof Postmon != 'undefined') {
                        Postmon.data = response;
                    }
                },
                error: function(xhr, status) {
                    if (parseNumber(status) < 500) {
                        test = false;
                    }
                }
            });
        }

        return test;
    });

    $$('#billing\\:postcode').each(function(elem){
        elem.addClassName('validate-postmon');
        elem.observe('keyup', function(e){
            var zip = this.value.replace(/\D/g, '');
            if (zip.length == 8 && Validation.validate(this)) {
                try {
                    Postmon.autofill();
                } catch(e) {}

                if (typeof checkout != 'undefined') {
                    checkout.saveField(
                        this,
                        checkout.urls.billing_address,
                        {},
                        checkout.setLoadingField.bind(checkout, this, false)
                    );
                }
            }
        });
        elem.dispatchEvent(new Event('keyup'));
    });
});