// ==UserScript==
// @name         Nike Bot v.1.0.1
// @namespace    http://tampermonkey.net/
// @version      1.0.1
// @description  try to take over the world!
// @author       You
// @match        https://www.nike.com/pl/launch/t/air-max-97-plus-black-white
// @grant        none
// ==/UserScript==


// @description: Use developer mode of Chrome.

// array of sizes you need to buy
let iWant = [44.5, 46, 47, 40];

// your card informations for payment
let cardInfo = {
    cardNumber: "xxxx xxxx xxxx xxxx",
    expirationDate: "xx/xx",
    cvvNumber: "xxx"
};

let dropDate = {
    hour: 8, minutes: 59
};

//flags
let firstButtonClicked = false;
let hasBeenAdded = false;
let sendOrder = false;
let clicked = 0;
// end flags

//time

var getSystemDate = function () {
    var date = new Date();
    this.hour = date.getHours();
    this.minutes = date.getMinutes();
};
function compareTime() {
    var systemDate = new getSystemDate();
    if((systemDate.hour >= dropDate.hour) || (systemDate.hour === dropDate.hour && systemDate.minutes === dropDate.minutes)) {
        return 1;
    } else {
        console.log(systemDate);
        return 0;
    }
}

//waiting for first button
function waitForFirstButton () {
    let firstButtonLoaded = setInterval(function() {
        if(document.querySelectorAll(".js-size-btn")[0]) {
            let firstButton = document.querySelectorAll(".js-size-btn")[0];
            firstButton.click();
            clearInterval(firstButtonLoaded);
            console.log("firstButton has been detected...");
            firstButtonClicked = true;
        } else {
            console.log("firstButton is not detected...");
        }
    }, 100);
}

function getSize (sizeEU) {
    let size = parseFloat(sizeEU.replace("EU ", ""));
    return size;
}

function outOfStock () {
    let outOfStockSizing = [];
    let list = document.querySelectorAll(".disabled");
    for (let i = 0; i < list.length; i++) {
        let sizeEU = list[i].innerText;
        let size = getSize(sizeEU);
        outOfStockSizing[i] = size;
    }
    return outOfStockSizing;
}

// checking sizes in stock, compare with outOfStock
function inStock() {
    let inStockSizing = [];
    let list = document.querySelectorAll(".size");
    for (let i = 0; i < list.length; i++) {
        let sizeEU = list[i].innerText;
        let size = getSize(sizeEU);
        if (outOfStock().indexOf(size) < 0) {
            inStockSizing.push(size);
        }
    }
    return inStockSizing;
}

// look for my sizing in stock
function checkInStock (size) {
    for (let i = 0; i < inStock().length; i++) {
        if (size === inStock()[i]) {
            return true;
        }
    } return false;
}


// add to cart module
function addToCart() {
    let list = document.querySelectorAll(".size");
    let addToCartButton = document.querySelector(".js-buy");
    if(iWant.length) {
        for (let i = 0; i < iWant.length; i++) {
            for (let j = 0; j < list.length; j++) {
                let sizeEU = list[j].innerText;
                let size = getSize(sizeEU);
                //console.log(size);
                if (iWant[i] === size && checkInStock(size) === true && hasBeenAdded === false) {
                    console.log("I'm adding: " + size + " to cart...");
                    list[j].click();
                    addToCartButton.click();
                    hasBeenAdded = true;
                } else if (hasBeenAdded){
                    console.log("I have added to cart...");
                    break;
                } else {
                    //console.log("Nie udało się zakupić..." + size);
                }
            }
        }
        if(hasBeenAdded === false) {
            console.log("Size out of stock...");
            location.reload();
        }
    } else {
        console.log("You haven't set sizes...");
    }
}

function payment() {
    if(document.querySelector(".credit-card-iframe")) {
        let forceInterval = setInterval(function() {
            let continueButton = document.querySelectorAll(".js-save-button")[2];
            if( continueButton.classList[15] === "disabled") {
            let iFrameBox = document.querySelector(".credit-card-iframe").contentDocument;
            let cvNumber = iFrameBox.querySelector("#cvNumber");
            simulate(cvNumber, "focus");
            cvNumber.value = cardInfo.cvvNumber;
            simulate(cvNumber, "blur");
            console.log("I'm setting cvv...");
            } else {
                console.log("continueButton is active...");
                continueButton.click();
                clearInterval(forceInterval);
            }
        }, 250);
    } else {
        if (document.querySelector(".js-creditcard")) {
            document.querySelector(".js-creditcard").click();
            let forceInterval = setInterval(function() {
                let continueButton = document.querySelectorAll(".js-save-button")[2];
                if( continueButton.classList[15] === "disabled") {
                    if(document.querySelector(".credit-card-iframe")) {
                        let iFrameBox = document.querySelector(".credit-card-iframe").contentDocument;
                        let cardNumber = iFrameBox.querySelector("#creditCardNumber");
                        let expirationDate = iFrameBox.querySelector("#expirationDate");
                        let cvNumber = iFrameBox.querySelector("#cvNumber");
                        simulate(cardNumber, "focus");
                        cardNumber.value = cardInfo.cardNumber;
                        simulate(cardNumber, "blur");
                        simulate(expirationDate, "focus");
                        expirationDate.value = cardInfo.expirationDate;
                        simulate(expirationDate, "blur");
                        simulate(cvNumber, "focus");
                        cvNumber.value = cardInfo.cvvNumber;
                        simulate(cvNumber, "blur");
                        console.log("Payment informations has been filled...");
                        continueButton.click();
                    } else {
                        console.log("No payment IFRAME");
                    }
                } else {
                    console.log("continueButton is active...");
                    continueButton.click();
                    clearInterval(forceInterval);
                }
            }, 250);
        } else {
            console.log("Button has been clicked before...");
        }
    }
}

function simulate(element, eventName) {
    var options = extend(defaultOptions, arguments[2] || {});
    var oEvent, eventType = null;

    for (var name in eventMatchers) {
        if (eventMatchers[name].test(eventName)) { eventType = name; break; }
    }

    if (!eventType)
        throw new SyntaxError('Only HTMLEvents and MouseEvents interfaces are supported');

    if (document.createEvent) {
        oEvent = document.createEvent(eventType);
        if (eventType == 'HTMLEvents') {
            oEvent.initEvent(eventName, options.bubbles, options.cancelable);
        } else {
            oEvent.initMouseEvent(eventName, options.bubbles, options.cancelable, document.defaultView,
            options.button, options.pointerX, options.pointerY, options.pointerX, options.pointerY,
            options.ctrlKey, options.altKey, options.shiftKey, options.metaKey, options.button, element);
        }
        element.dispatchEvent(oEvent);
    } else {
        options.clientX = options.pointerX;
        options.clientY = options.pointerY;
        var evt = document.createEventObject();
        oEvent = extend(evt, options);
        element.fireEvent('on' + eventName, oEvent);
    }
    return element;
}

function extend(destination, source) {
    for (var property in source)
      destination[property] = source[property];
    return destination;
}

var eventMatchers = {
    'HTMLEvents': /^(?:load|unload|abort|error|select|change|submit|reset|focus|blur|resize|scroll)$/,
    'MouseEvents': /^(?:click|dblclick|mouse(?:down|up|over|move|out))$/
};

var defaultOptions = {
    pointerX: 0,
    pointerY: 0,
    button: 0,
    ctrlKey: false,
    altKey: false,
    shiftKey: false,
    metaKey: false,
    bubbles: true,
    cancelable: true
};


window.addEventListener("load", function(e) {
    let interval = setInterval(function(){
        getSystemDate();
        if(compareTime() && !(document.getElementsByClassName("js-buy")[0])) {
            console.log("I'm waiting for drop...");
            clearInterval(interval);
            location.reload();
        } else if ( compareTime() && document.getElementsByClassName("js-buy")[0]) {
            console.log("Done. I'm working...");
            waitForFirstButton();
            let addInterval = setInterval(function() {
                if (firstButtonClicked) {
                    setTimeout(addToCart, 200);
                    clearInterval(addInterval);
                    console.log("addInterval stopped...");
                    let paymentInterval = setInterval(function(){
                        if(hasBeenAdded && (document.querySelector(".credit-card-iframe") || document.querySelector(".js-creditcard"))) {
                            setTimeout(payment, 100);
                            console.log("PaymentInterval stopped...");
                            let finalButtonInterval = setInterval(function () {
                                if (document.querySelectorAll(".js-save-button")[3]) {
                                    let finalButton = document.querySelectorAll(".js-save-button")[3];
                                    finalButton.click();
                                    clicked++;
                                    console.log("finalButtonInterval stopped...");
                                } else if (clicked > 2 && document.querySelectorAll(".js-save-button")[3]){
                                    clearInterval(finalButtonInterval);
                                } else {
                                    console.log("FinalButton error...");
                                }
                            }, 100);
                            clearInterval(paymentInterval);
                        }
                    }, 100);
                }
            }, 100);
            clearInterval(interval);
        } else {
            console.log("I'm waiting for start time...");
        }
    }, 5000);
}, false);