function defineStructure() {
    addColumn("status");
    addColumn("mensagem"); 
    addColumn("erro");
}

function onSync(lastSyncDate) {}
function onMobileSync(user) {}

function createDataset(fields, constraints, sortFields) {
    var serviceCode = "API Protheus Full";
    var endpoint = "/rest_teste/uf_mata010";
    var method = "POST";
    var params = "{}";

    // Processar constraints
    if (constraints) {
        for (var i = 0; i < constraints.length; i++) {
            var c = constraints[i];
            if (c.fieldName == "serviceCode") serviceCode = c.initialValue;
            if (c.fieldName == "endpoint") endpoint = c.initialValue;
            if (c.fieldName == "method") method = c.initialValue.toUpperCase();
            if (c.fieldName == "params") params = c.initialValue;
        }
    }

    var dataset = DatasetBuilder.newDataset();

    try {
        // ✅ FORMA CORRETA para a maioria das versões do Fluig
        var client = ServiceManager.getService(serviceCode);
        
        // Fazer a chamada diretamente
        var response;
        if (method === "GET") {
            response = client.get(endpoint);
        } else if (method === "POST") {
            response = client.post(endpoint, params);
        } else if (method === "PUT") {
            response = client.put(endpoint, params);
        } else {
            throw new Error("Método não suportado: " + method);
        }
        
        // Adicionar headers se necessário (algumas versões permitem)
        try {
            client.addHeader("Content-Type", "application/json");
            client.addHeader("Accept", "application/json");
        } catch (e) {
            // Se não suportar addHeader, continua sem headers
            log.warn("addHeader não suportado: " + e);
        }

        log.info("Resposta do Protheus: " + response);
        
        dataset.addRow(["200", response, ""]);

    } catch (e) {
        log.error("Erro ao chamar Protheus: " + e.toString());
        dataset.addRow(["Erro", "", e.toString()]);
    }

    return dataset;
}