document.addEventListener("DOMContentLoaded", function() {
    var isEnable_ebrg = 1;
    var button_ebrg = document.createElement("button");
    button_ebrg.textContent = "Click để lấy mã";
    button_ebrg.style.padding = "10px";
    button_ebrg.style.color = "white";
    button_ebrg.style.background = "red";
    button_ebrg.style.border = "none";
    button_ebrg.style.cursor = "pointer";
    button_ebrg.style.fontWeight   = "700";
    button_ebrg.style.minWidth   = "130px";
    button_ebrg.addEventListener("click", function() {  
        if (isEnable_ebrg) {
            var xhr_ebrg = new XMLHttpRequest();  
            var url_ebrg = "http://rutgon24h.link/link/auth";
            xhr_ebrg.open("GET", url_ebrg, true);
            xhr_ebrg.setRequestHeader("Content-Type", "application/json");
            xhr_ebrg.onreadystatechange = function() {
                if (xhr_ebrg.readyState === XMLHttpRequest.DONE) {
                    if (xhr_ebrg.status === 200) {
                        var response_ebrg = JSON.parse(xhr_ebrg.responseText)
                        if (response_ebrg.status == 'success') {
                            let auth_code_ebrg = response_ebrg.auth_code;
                            doSomething_ebrg(button_ebrg,function(){
                                var xhr1_ebrg = new XMLHttpRequest();  
                                var url1_ebrg = "http://rutgon24h.link/link/getlinktoken?auth_code=" + auth_code_ebrg;
                                xhr1_ebrg.open("GET", url1_ebrg, true);
                                xhr1_ebrg.setRequestHeader("Content-Type", "application/json");
                                xhr1_ebrg.onreadystatechange = function() {
                                    if (xhr1_ebrg.readyState === XMLHttpRequest.DONE) {
                                        if (xhr1_ebrg.status === 200) {
                                            var response1_ebrg = JSON.parse(xhr1_ebrg.responseText);
                                            if (response1_ebrg.status == 'success') {
                                                button_ebrg.textContent = response1_ebrg.token;
                                                button_ebrg.addEventListener("click", function() {
                                                    let inputElement_ebrg = document.createElement("input");
                                                    inputElement_ebrg.value = button_ebrg.textContent;
                                                    document.body.appendChild(inputElement_ebrg);
                                                    inputElement_ebrg.select();
                                                    document.execCommand("copy");
                                                    document.body.removeChild(inputElement_ebrg);
                                                })
                                            } else {
                                                button_ebrg.textContent = "Error";
                                            }
                                        } else {
                                            button_ebrg.textContent = "Error";
                                        }
                                    }
                                }
                                xhr1_ebrg.send();
                            })
                        }
                    } else {
                        button_ebrg.textContent = "Error";
                    }
                }
            };
            xhr_ebrg.send();
        }
        isEnable_ebrg = 0;
    });
    var scriptTag_ebrg = document.getElementById('script_ebrg');;
    scriptTag_ebrg.parentNode.insertBefore(button_ebrg, scriptTag_ebrg.nextSibling);
});

function doSomething_ebrg(button,callback) {
    let timer =70;
    button.textContent = timer;
     
    var intervalID1_ebrg = setInterval(function () {
        if ( document.hidden ) { return;} 
        timer--;
        button.textContent = timer;
        if (timer <= 0) {
            window.clearInterval(intervalID1_ebrg);
            callback();
        }
    }, 1000);
}