$(document).ready(
    checkOpenWindow()

)



function checkOpenWindow (window=null){
    if (window === null){
        check_window_tm()
    } else {

        var data_set = document.querySelector(".container-messages").dataset
        var sender = data_set['userId'];
        var receiver = data_set['curReceiver'];
        var ticket_id = data_set['ticketId'];


        var data = {
            'sender': sender,
            'receiver': receiver,
            'ticket_id': ticket_id
            // 'last_message_modifiteDT':last_message_time
        }
        timeout(data)

    }
}

function check_window_tm(){
    let window = document.querySelector(".container-messages")
    let intervl = setInterval(function () {

            window = document.querySelector(".container-messages")
            if (window !== null){
                clearInterval(intervl)
                checkOpenWindow(window)
            }
        },
    1000)
}

var check_msg = null

function timeout (data){
    let window = document.querySelector(".container-messages")
    check_msg = setInterval(check_new_messages(window,data), 1000)
}

function check_new_messages (window,data){
    // let user_online_check = document.addEventListener("mouseover");
    let last_message_time = document.querySelector(".date_n_time_last_message")
    if (last_message_time === null){
    //
    } else {
        data.push([{ 'last_message_modifiteDT':last_message_time.dataset['modifieddt'] }])
    }

    $.ajax({
        headers: { "X-CSRFToken": $('input[name=csrfmiddlewaretoken]').val() },
        url: '/ru/messages/update_chat/',
        type: "POST",
        // async: true,
        cache: false,
        processData: false,
        contentType: false,
        // enctype: 'json',
        data: JSON.stringify(data),
        success: function(data){

            if (data.msgs_count > 1){
                document.querySelector(".container-messages").innerHTML = data.html;
            } else {
                document.querySelector(".info_profile").innerHTML = data.html;
            }
            if (window !== null){
                clearTimeout(check_msg)
                checkOpenWindow()
            }

        },
        error: function (data){

            document.querySelector(".info_profile").innerHTML = data.responseJSON.html;
            if (window !== null){
                clearTimeout(check_msg)
                checkOpenWindow()
            }
        }
    });
}