/**
 * Web worker handling message API.
 * Return a message of the request.
 */

onmessage = async(e) => {
  const url = e.data.url;
  const state = e.data.state;
  const request = {
    ApplicationState: state
  };
  const dataParsed = JSON.stringify(request, GetCircularReplacerKeepDataStructure());
  fetch(url, {
      method: 'POST',
      headers: new Headers({
        // eslint-disable-next-line @typescript-eslint/naming-convention
        'Content-Type': 'application/json'
      }),
      body: dataParsed
    })
      .then((response) =>
        response.json()
      )
      .then(async(json) => {
        postMessage(json.messages)
      });
};

function GetCircularReplacerKeepDataStructure()
{
  return (key, value) => {
    if (key === 'parent') {
      return;
    }

    if (key === 'containers') {
      return [...value.entries()].map((keyPair) => {
        return {
          Key: keyPair[0],
          Value: keyPair[1]
        };
      });
    }

    if (key === 'symbols') {
      return [...value.entries()].map((keyPair) => {
        return {
          Key: keyPair[0],
          Value: keyPair[1]
        };
      });
    }

    if (key === 'linkedContainers') {
      return Array.from(value);
    }
  };
}