//authorization grant type: Resource owner password-based.
const HOST_ADRESS = "192.168.104.137:8000"; //change with your own host
const client_id   = "jpijpijpijpijipjipijipijipijipj";
fetch('http://'+HOST_ADRESS+"/oauth/token/", {
    method: 'POST',
    headers: {
        'Content-Type': 'application/x-www-form-urlencoded',
        'Cache-Control': 'no-cache'
    },
    body: "client_id=sfjwepifjpfweijgpeijSGIOEJOPGIWSJA35340537530708&grant_type=password&username="+username+"&password="+password
})
    .then((response) => response.text())
    .then((responseText) => {
        console.log(responseText);
        //redux succed do something.
        //dispatch(actionsCreators.succesLogin(responseText));
    })
    .catch((error) => {
        const data = {error: "A error happened"};
        //redux error.
        //dispatch(actionsCreators.errorLogin(data));
        console.warn(error);
    });