var autoSaveJob;
$(document).on('page_loaded', function () {
    clearInterval(autoSaveJob);
    var fileName = "";
    function saveForm() {
        var form = $('form#request'); //CHANGE THIS - if required
        const params = new URLSearchParams(window.location.search);
        const mode = params.get('_mode');
        
        var payload = new FormData(form[0]);
        var $dropzoneElm = $('#evidence').closest('.dropzone'); //CHANGE THIS
        
        dz = Dropzone.forElement($dropzoneElm[0]);
        
        if (form.length == 0 || mode != 'assignment') {
            console.log("autoSaveJob abort");
            clearInterval(autoSaveJob);
            return;
        }
        
        // skip autosave if file upload is empty or filename is same as previous one
        if (dz.files.length == 0 || dz.files[0].name == fileName) {
            console.log("autoSaveJob skipped");
            return;    
        }
        
        // replace filename if newly uploaded
        if (dz.files.length > 0) {
            console.log(dz.files[0].name);
            fileName = dz.files[0].name;
        }
        
        var submitBtn = $('#saveAsDraft'); //CHANGE THIS - the save as draft button
        payload.append(submitBtn.attr('id'), submitBtn.val());
        
        console.log("autoSaveJob " + new Date());
        
        fetch(form.attr('action') + '&' + ConnectionManager.tokenName + '=' + ConnectionManager.tokenValue, {
            method: form.attr('method'),
            body: payload
          })
          .then(response => {
            if (!response.ok) {
              throw new Error('Network response was not ok');
            }
            return response.text();
          })
          .then(html => {
            match = html.match(/[?&]_nonce=([^&]+)/);
            if (match) {
                newValue = match[1];
                console.log("found " + newValue);
                
                dzOldURL = dz.options.url;
                console.log("old url " + dzOldURL);
                
                dzNewURL = dzOldURL.replace(/([?&]_nonce=)[^&]*/, `$1${newValue}`);
                console.log("new url " + dzNewURL);
                
                dz.options.url = dzNewURL;
            } else {
              console.log('_nonce not found');
            }
            
          })
          .catch(error => {
            console.error('Error saving form:', error);
          });
    }
    
    // Autosave form every 10 seconds
    autoSaveJob = setInterval(saveForm, 10 * 1000);
});