var links = document.querySelectorAll('[id^="tc_on"]');
links.forEach(function(link) {
    link.addEventListener('click', function(event) {
        event.preventDefault();
        var xhr = new XMLHttpRequest();
        xhr.open('GET', 'http://{{IP_ADDRESS}}/?tc=true', true);

        xhr.onreadystatechange = function () {
            if (xhr.readyState === 4) {
                var button = document.getElementById("tc_on");
                if (xhr.status === 200) {
                    button.classList.remove("pure-button-primary");
                    button.classList.add("success");
                    button.innerHTML = "Enabled!";
                    button.style.backgroundColor = "green";
                    setTimeout(function () {
                        button.classList.remove("success");
                        button.classList.add("pure-button-primary");
                        button.innerHTML = "ON";
                        button.style.backgroundColor = "";
                    }, 2000);
                    console.log('Data successfully sent to server!');
                } else {
                    button.classList.remove("pure-button-primary");
                    button.classList.add("error");
                    button.innerHTML = "Error!";
                    button.style.backgroundColor = "";
                    setTimeout(function () {
                        button.classList.remove("error");
                        button.classList.add("pure-button-primary");
                        button.innerHTML = "ON";
                        button.style.backgroundColor = "";
                    }, 2000);
                    showToast('Error while sending data to server.', 'error');
                    console.log('Error while sending data to server.');
                }
            }
        };

        xhr.send();
        //console.log('tc=true call');
        document.getElementById('tc_on').classList.add('pure-button-primary');
        document.getElementById('tc_off').classList.remove('pure-button-primary');
    });
});
var links = document.querySelectorAll('[id^="tc_off"]');
links.forEach(function(link) {
    link.addEventListener('click', function(event) {
        event.preventDefault();
        var xhr = new XMLHttpRequest();
        xhr.open('GET', 'http://{{IP_ADDRESS}}/?tc=false', true);

        xhr.onreadystatechange = function () {
            if (xhr.readyState === 4) {
                var button = document.getElementById("tc_off");
                if (xhr.status === 200) {
                    button.classList.remove("pure-button-primary");
                    button.classList.add("success");
                    button.innerHTML = "Disabled!";
                    button.style.backgroundColor = "green";
                    setTimeout(function () {
                        button.classList.remove("success");
                        button.classList.add("pure-button-primary");
                        button.innerHTML = "OFF";
                        button.style.backgroundColor = "";
                    }, 2000);
                    console.log('Data successfully sent to server!');
                } else {
                    button.classList.remove("pure-button-primary");
                    button.classList.add("error");
                    button.innerHTML = "Error!";
                    button.style.backgroundColor = "red";
                    setTimeout(function () {
                        button.classList.remove("error");
                        button.classList.add("pure-button-primary");
                        button.innerHTML = "OFF";
                        button.style.backgroundColor = "";
                    }, 2000);
                    showToast('Error while sending data to server.', 'error');
                    console.log('Error while sending data to server.');
                }
            }
        };

        xhr.send();
        //console.log('tc=false call');
        document.getElementById('tc_off').classList.add('pure-button-primary');
        document.getElementById('tc_on').classList.remove('pure-button-primary');
    });
});

let timeoutId;
function sendSliderValue(x) {
    x = x - 1;
    clearTimeout(timeoutId);
    timeoutId = setTimeout(() => {
        var value = document.getElementById(`bri${x}`).value;
        var trans = document.getElementById('transition').value;
        if (isNaN(trans) || parseInt(trans) != trans)
        {
            showToast("Error the transition is not a valid integer number.", "error");
            return false;
        }

        var url = `http://{{IP_ADDRESS}}/?bri${x}=${value}&transition=`+parseInt(trans);
        fetch(url).then(response => {
            if (!response.ok) {
                throw new Error(`HTTP error! status: ${response.status}`);
            }
            //console.log(`Sent slider value ${value} to ${url}`);
        }).catch(error => {
            showToast(`Error sending slider value to ${url}: ${error}`, 'error');
            console.error(`Error sending slider value to ${url}: ${error}`);
        });
    }, 500);
}

function rgb2Hex(r, g, b) {
    // RGB-Werte in hexadezimale Werte umwandeln
    var hex = "#" + ((1 << 24) | (r << 16) | (g << 8) | b).toString(16).slice(1);
    return hex;
}