console.log("=========START==========");
var intClickOnButton = 0;
var currentTabId = 0;

function click_on_dbg_btn(tab) {
    
    console.log("calling click_on_dbg_btn | intClickOnButton = " + intClickOnButton + " | tab.url = " + tab.url);
    
    if (intClickOnButton) {
        chrome.cookies.remove({"url": tab.url, "name": "test_cookie"}, 
        function (cookie){
            if (cookie !== null) {
                console.log("## cookies.remove | remove cookie.name = "  + cookie.name + "  is succsessful");
                console.log("## cookies.remove | remove cookie.name = "  + cookie.name + "  chrome.runtime.lastError = " + chrome.runtime.lastError + " chrome.runtime.lastError = " + chrome.runtime.lastError);
                intClickOnButton = 0;
                console.log("calling click_on_dbg_btn | intClickOnButton changes value to " + intClickOnButton);        
                chrome.tabs.reload(currentTabId, {"bypassCache":true});                
            } else {
                console.log("## cookies.remove |  remove "  + cookie_name + " IS FAILED. Reason: " +  chrome.runtime.lastError);
            }        
        });     
    } else {
        chrome.cookies.set({"url": tab.url, "name": "test_cookie", "value":"1", "path":"/"}, 
            function (cookie){
                if (cookie !== null) {
                    console.log("## cookies.set | set  is succsessful");
                    console.log("## cookie.name = " + cookie.name + " cookie.value = " + cookie.value + " cookie.domain = " + cookie.domain + "  chrome.runtime.lastError = " + chrome.runtime.lastError + " chrome.runtime.lastError = " + chrome.runtime.lastError);
                    intClickOnButton = 1;
                    console.log("click_on_dbg_btn | intClickOnButton changes value to " + intClickOnButton);
                    chrome.tabs.reload(currentTabId, {"bypassCache":true});
                } else {
                    console.log("## cookies.set | set " + cookie_name + " = " + cookie_value + " IS FAILED. Reason: " +  chrome.runtime.lastError);
                }       
            }
        );
    }

}


console.log("pageAction.onClicked.addListener | addListener");
chrome.pageAction.onClicked.addListener(function(tab) { 
    click_on_dbg_btn(tab);
});

console.log("tabs.onUpdated.addListener | addListener");
chrome.tabs.onUpdated.addListener(function(tabId, changeInfo, tab) {
    currentTabId = tabId;
    if (tab.url !== "chrome://newtab/") {
        chrome.pageAction.show(currentTabId);
        console.log("tabs.onUpdated | currentTabId = " + currentTabId + "| URL = " + tab.url);
    };
});

console.log("=====================END");