// Show the field when the title isn't empty any more
v2((data) => {
  return data.Title != "";
});

v2((data) => {
  if (data.value) return data.value;
  return "This field should never be empty";
});

v2((data) => {
  const prefix = (data.Country + '-' + data.Language).toLowerCase();
  const titleSlug = data.Title.toLowerCase().replace(/ /g,'-').replace(/[^\w-]+/g,'');
  return prefix + "-" + titleSlug;
});

v2((data) => {
  // Only enable once data has been loaded
  return !data.Title;
});

v2((data, context) => {
  // for demo reasons, don't do this till start is toggled.
  if (!data.Start) return data.value;
  
  // Call the sxc web-api controller from other tutorials
  return context.sxc.webApi.fetchJson('app/auto/api/basic/hello')
    .then(data => {
      console.log('got data', data); // log for demo reasons
      return data; // Use the result as the new value
    });
});

// new formula syntax - see https://r.2sxc.org/formulas
v2((data) => {
  if (!data.value) return;
  return {
    fields: [
      { name: "Slave1", value: "Slave1 set by master which has " + data.value },
      { name: "Slave2", value: "Slave2 also set by master"}
    ]
  }
});

v2((data) => {
  const now = new Date();
  const add = data.PublishIn || 0;
  const offset = -now.getTimezoneOffset() / 60;
  return now.setHours(now.getHours() + add + offset);
});

v2((data) => {
  // don't change if already has a value
  if (data.value) return data.value;
  // if it's empty, get the current date/time
  return new Date();
});