// ==UserScript==
// @name Haiyaa Points!
// @namespace http://tampermonkey.net/
// @version 1.7
// @description Visualize a year of points availability with quickbook function on Hyatt points calendar
// @author World of Haiyaa
// @match https://www.hyatt.com/explore-hotels/rate-calendar*
// @match https://www.hyatt.com/*/explore-hotels/rate-calendar*
// @grant GM_xmlhttpRequest
// @connect www.hyatt.com
// ==/UserScript==
(function() {
'use strict';
const priveHotelCodes = new Set([
"menph", "suzph", "tusob", "abdcc", "jedph", "istph", "dohph", "selaz", "sanrs", "cgkub", "saogh", "flrub",
"apcal", "riogh", "seagh", "selrs", "lisaz", "shagh", "sinrs", "taigh", "tparw", "tyogh", "caict", "paraz",
"phlph", "ausra", "bnaub", "bcnub", "msyrf", "balgh", "nasgh", "jcagh", "dohgh", "goagh", "kauai", "musca",
"mexhr", "aruba", "chesa", "naprn", "danhr", "guamh", "sanhc", "huahi", "newpo", "hunrh", "champ", "tvllt",
"auslp", "oggrm", "ncehr", "phuhr", "scott", "nbsph", "tamay", "thess", "hnlrw", "nycam", "amsaz", "delaz",
"longe", "oggaw", "apcrn", "yowaz", "liraz", "sanas", "savrd", "phxaz", "shaaz", "tyoaz", "laxss", "abuph",
"sanpa", "bkkph", "beave", "beiph", "bueph", "istct", "mvdhy", "busph", "canbe", "cheph", "chiph", "dxbph",
"guaph", "hydph", "mldph", "zuhal", "melph", "milph", "limct", "sclct", "kulph", "nycph", "ninph", "parph",
"saiph", "sanph", "selph", "shaph", "repph", "sydph", "tyoph", "romrt", "vieph", "wasph", "madct", "guact",
"znzph", "zurph", "goial", "jaial", "cabph", "mxpct", "lgapr", "tyoct", "phlct", "madrp", "aushd", "phxub",
"msyum", "skbph", "sinaz", "ammgh", "atlgh", "beigh", "hanph", "cgkph", "bergh", "dxbgh", "bangh", "nycuc",
"secim", "dpsbl", "msyub", "colog", "zocur", "zvrim", "cania", "shang", "hkggh", "vcect", "westl", "adbri",
"kuagh", "macgh", "melbo", "nayrw", "auhgh", "ptyrp", "satgh", "delrh", "calrc", "chenn", "pierc", "mlact",
"dxbhc", "dusse", "hakhr", "kwest", "seplc", "honhr", "drrpc", "kievh", "kyoto", "lonch", "drcfu", "mainz",
"bkkhr", "boggh", "cokgh", "coral", "ctgrc", "darhr", "denrd", "guagh", "mucaz", "chiub", "lgatg", "okaro",
"satrs", "savrs", "sfors", "vieaz", "madel", "lgajd", "sjcjc", "nycts", "isthr", "szxph", "lgath", "cslth",
"bnath", "seath", "zihth", "budub", "chith", "sfojd", "kulal", "mctal", "dpsak", "dpsas", "socal", "dpsau",
"dpsav", "hghaw", "sjcal", "itmph", "aklph", "lhrub", "ausob", "egegh", "dxbct", "madrm", "bcnrb", "agart",
"sbars", "ctsph", "ctugh", "amdhr", "rdudc", "btvdh", "sepbc", "sofrs", "setpc", "iadth", "pekal", "aqjra",
"bnarn", "tyoty", "ruhhr", "secbr", "bosto", "sanen", "szxaz", "xmnaz", "oggal", "biqub", "mcijd", "miact",
"dusxd", "addra", "searl", "mrydm", "albob", "rnodh", "dfwth", "satth", "dendv", "sllal", "dpsaz", "austh",
"bnerb", "ctuub", "mlarm", "pekub", "pnhrp", "savth", "torph", "zrhrz", "chsdb", "sando", "sanjo", "ibzdh",
"laxuf", "usmrk", "dmmgh", "denth", "bnact", "oakub", "laxdi", "canif", "lgatp", "atlct", "melct", "prgaz",
"romjd", "arnub", "csxgh", "shegh", "chsdv", "drmpc", "zoehm", "zocdm", "searm", "cunia", "pvrif", "sjdif",
"smfct", "jdzub", "dxbcl", "dubct", "ptyub", "jtrub", "sardh", "agpub", "lishr", "mldal", "zoapc", "sepdc",
"seccc", "secpm", "sebmi", "drepm", "drbmi", "fswub", "marph", "salct", "xiygh", "utpaz", "jairj", "mexaz",
"fukgh", "semrc", "sfous", "bodjd", "edidr", "sford", "iadct", "torjd", "nkgaz", "davub", "pspaz", "pdxct",
"seiim", "lhrph", "csxph", "shaal", "fraum", "dohaz", "slcgp", "slcgr", "kmggh", "grggh", "miaob", "johpj",
"yulct", "yyzjd", "tivrk", "ausct", "rmugh", "gdlrg", "iahth", "kwigh", "swfuc", "bnadz", "bjxub", "dpaal",
"hourw", "sydrs", "slcpc", "bkict", "kmqct", "laxdz", "pmijc", "mangh", "okcub", "tyoub", "lonrb", "bkksb",
"huash", "ibzsi", "lgase", "lgash", "lonsl", "melsx", "mldsm", "yvrph", "sinss", "ptyuv", "sepcr", "sjdkp",
"zadrz", "satjf", "iahkb", "auskd"
]);
const futureOpeningHotels = {
"tyocp": "2025-10-07", "sydcp": "2025-10-13", "uc037": "2025-10-13", "cokrm": "2025-10-15", "torza": "2025-10-29",
"cabph": "2025-10-30", "shath": "2025-10-30", "hyvpc": "2025-11-01", "uc155": "2025-11-03", "pdszp": "2025-11-04",
"mklzj": "2025-11-12", "cunza": "2025-11-13", "houkh": "2025-11-18", "geozd": "2025-11-19", "hsvqh": "2025-11-19",
"midzm": "2025-11-20", "ywgct": "2025-11-25", "bp024": "2025-12-01", "sjuct": "2025-12-02", "yqtxt": "2025-12-03",
"qroct": "2025-12-09", "tyoph": "2025-12-09", "romrt": "2025-12-10", "bznza": "2025-12-11", "gegzp": "2025-12-17",
"cprzc": "2025-12-18", "lgajl": "2025-12-18", "rsigh": "2026-01-20", "gcmgh": "2026-02-03", "fraxg": "2026-02-06",
"romth": "2026-02-06", "cxrrn": "2026-02-10", "fchxn": "2026-02-11", "albxy": "2026-02-25", "waczw": "2026-02-26",
"lisaz": "2026-03-04", "sjozc": "2026-03-11", "bkkaz": "2026-03-15", "chacp": "2026-03-19", "rsiob": "2026-03-30",
"cangh": "2026-04-01", "rjkdh": "2026-04-01", "choqh": "2026-04-08", "mexph": "2026-05-12", "iagub": "2026-05-14",
"plsaz": "2026-05-14", "lonry": "2026-05-26", "ecpxs": "2026-05-27", "lrdql": "2026-06-10", "jaxst": "2026-08-19",
"lhrzp": "2026-09-01", "uc089": "2026-10-01"
};
function addGlobalStyle(css) {
const head = document.head || document.getElementsByTagName('head')[0];
if (!head) { return; }
const style = document.createElement('style');
style.type = 'text/css';
style.innerHTML = css;
head.appendChild(style);
}
addGlobalStyle(`
.haiyaa-trigger-btn { background-color: #0D2D52; color: white; border: none; border-radius: 6px; padding: 6px 14px; font-size: 14px; font-weight: bold; cursor: pointer; margin-left: 20px; transition: all 0.2s; }
.haiyaa-trigger-btn:hover { background-color: #1a4a87; }
.haiyaa-trigger-btn:disabled { background-color: #888; cursor: not-allowed; }
.visualizer-overlay { position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; background-color: rgba(0, 0, 0, 0.6); z-index: 9999; display: flex; justify-content: center; align-items: center; }
.visualizer-modal { background-color: #ffffff; padding: 25px; border-radius: 12px; box-shadow: 0 5px 20px rgba(0,0,0,0.3); width: auto; max-width: 95vw; }
.modal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; padding-bottom: 15px; border-bottom: 1px solid #e0e0e0; }
.modal-header h3 { margin: 0; font-size: 18px; white-space: nowrap; }
.modal-header-right { display: flex; align-items: center; gap: 15px; }
.modal-header select { padding: 5px; border-radius: 5px; border: 1px solid #ccc; }
.prive-link-btn { font-size: 12px; color: #0D2D52; text-decoration: none; font-weight: bold; border: 1px solid #0D2D52; padding: 5px 10px; border-radius: 5px; transition: all 0.2s; white-space: nowrap; }
.prive-link-btn:hover { background-color: #0D2D52; color: white; }
.modal-close-btn { font-size: 24px; font-weight: bold; color: #888; cursor: pointer; border: none; background: none; padding: 0; }
.modal-close-btn:hover { color: #000; }
.calendar-chart-container { display: grid; grid-template-areas: "empty months" "weeks grid"; grid-template-columns: auto 1fr; grid-template-rows: auto 1fr; gap: 5px 3px; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif; }
.calendar-months { grid-area: months; position: relative; height: 15px; }
.calendar-months .month { position: absolute; top: 0; font-size: 11px; color: #555; }
.calendar-weeks { grid-area: weeks; font-size: 11px; color: #555; }
.points-calendar-grid { grid-area: grid; }
.calendar-weeks .week-day { height: 14px; margin-bottom: 3px; display: flex; align-items: center; }
.points-calendar-grid { display: grid; grid-template-columns: repeat(53, 14px); grid-template-rows: repeat(7, 14px); grid-auto-flow: column; grid-gap: 3px; }
.calendar-day { width: 14px; height: 14px; background-color: transparent; border: 1px solid #e1e4e8; border-radius: 3px; transition: all 0.1s; position: relative; }
.calendar-day.is-holiday { border-width: 2px; box-sizing: border-box; }
.day-number { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); font-size: 9px; font-weight: bold; color: white; text-shadow: 0 0 2px rgba(0,0,0,0.7); }
.calendar-day.clickable:hover { transform: scale(1.2); box-shadow: 0 0 5px rgba(0,0,0,0.5); cursor: pointer; }
.calendar-day.unavailable { background-image: repeating-linear-gradient(45deg, rgba(255,255,255,0.7), rgba(255,255,255,0.7) 2px, transparent 2px, transparent 4px); cursor: not-allowed; }
.calendar-day.off-peak { background-color: #216e39; border-color: transparent; }
.calendar-day.standard { background-color: #9be9a8; border-color: transparent; }
.calendar-day.peak { background-color: #ff9800; border-color: transparent; }
.calendar-legend, .holiday-legend { display: flex; justify-content: center; align-items: center; flex-wrap: wrap; font-size: 12px; margin-top: 15px; color: #555; }
.legend-item { display: flex; align-items: center; margin: 2px 8px; }
.legend-color-box { width: 14px; height: 14px; border-radius: 3px; margin-right: 5px; }
.holiday-legend .legend-color-box { border-width: 2px; border-style: solid; background-color: transparent; }
.availability-disclaimer { font-size: 10px; font-style: italic; color: #888; text-align: center; margin-top: 15px; padding-top: 10px; border-top: 1px solid #eee; }
.hidden { display: none !important; }
`);
function getHotelCodeFromURL() {
return new URLSearchParams(window.location.search).get('spiritCode');
}
async function fetchPriceData(hotelCode) {
const CHUNK_DAYS = 70;
const promises = [];
let currentDate = new Date();
for (let i = 0; i < 6; i++) {
const startDate = new Date(currentDate);
const endDate = new Date(currentDate);
endDate.setDate(endDate.getDate() + CHUNK_DAYS);
const startDateStr = toLocalDateString(startDate);
const endDateStr = toLocalDateString(endDate);
const apiUrl = `https://www.hyatt.com/explore-hotels/service/avail?spiritCode=${hotelCode}&startDate=${startDateStr}&endDate=${endDateStr}`;
let promise = fetchSingleChunk(apiUrl);
if (i === 0) {
promise = promise.catch(error => {
if (error && error.retryable) {
console.warn('[Hyatt Visualizer] First price chunk failed, retrying with start date +1 day.');
const tomorrow = new Date();
tomorrow.setDate(tomorrow.getDate() + 1);
const newStartDateStr = toLocalDateString(tomorrow);
const retryApiUrl = `https://www.hyatt.com/explore-hotels/service/avail?spiritCode=${hotelCode}&startDate=${newStartDateStr}&endDate=${endDateStr}`;
return fetchSingleChunk(retryApiUrl);
}
return Promise.reject(error);
});
}
promises.push(promise);
currentDate.setDate(currentDate.getDate() + CHUNK_DAYS + 1);
}
const settledResults = await Promise.all(promises);
const successfulResults = settledResults.filter(Boolean);
const allData = { STANDARD_ROOM: new Map(), CLUB: new Map(), STANDARD_SUITE: new Map(), PREMIUM_SUITE: new Map() };
successfulResults.forEach(chunkData => {
if (chunkData.STANDARD_ROOM) chunkData.STANDARD_ROOM.forEach((v, k) => allData.STANDARD_ROOM.set(k, v));
if (chunkData.CLUB) chunkData.CLUB.forEach((v, k) => allData.CLUB.set(k, v));
if (chunkData.STANDARD_SUITE) chunkData.STANDARD_SUITE.forEach((v, k) => allData.STANDARD_SUITE.set(k, v));
if (chunkData.PREMIUM_SUITE) chunkData.PREMIUM_SUITE.forEach((v, k) => allData.PREMIUM_SUITE.set(k, v));
});
return allData;
}
function fetchSingleChunk(apiUrl) {
return new Promise((resolve, reject) => {
GM_xmlhttpRequest({
method: "GET", url: apiUrl, headers: { "Accept": "application/json" },
onload: function(response) {
if (response.status === 200) {
const data = JSON.parse(response.responseText);
if (data.status === "ERROR" && data.error === "[object Object]") {
return reject({ retryable: true });
}
const roomCategories = data?.roomCategories;
const chunkData = {};
if (roomCategories?.STANDARD_ROOM) chunkData.STANDARD_ROOM = parseRoomData(roomCategories.STANDARD_ROOM);
if (roomCategories?.CLUB) chunkData.CLUB = parseRoomData(roomCategories.CLUB);
if (roomCategories?.STANDARD_SUITE) chunkData.STANDARD_SUITE = parseRoomData(roomCategories.STANDARD_SUITE);
if (roomCategories?.PREMIUM_SUITE) chunkData.PREMIUM_SUITE = parseRoomData(roomCategories.PREMIUM_SUITE);
resolve(chunkData);
} else if (response.status === 500) {
return reject({ retryable: true });
}
else { resolve(null); }
},
onerror: function() { resolve(null); }
});
});
}
function parseRoomData(roomData) {
const priceMap = new Map();
for (const date in roomData) {
const details = roomData[date];
const type = details.pointsLevel ? details.pointsLevel.toLowerCase() : 'unknown';
priceMap.set(date, { type: type, points: details.pointsValue });
}
return priceMap;
}
async function fetchAvailabilityData(hotelCode) {
const today = new Date();
const endDate = new Date();
endDate.setDate(today.getDate() + 365);
let startDateStr = toLocalDateString(today);
const endDateStr = toLocalDateString(endDate);
const openingDateStr = futureOpeningHotels[hotelCode];
if (openingDateStr && new Date(openingDateStr) > today) {
startDateStr = openingDateStr;
}
const apiUrl = `https://www.hyatt.com/explore-hotels/service/avail/days?spiritCode=${hotelCode}&startDate=${startDateStr}&endDate=${endDateStr}&numAdults=1&numChildren=0&roomQuantity=1&los=1&isMock=false`;
return new Promise(resolve => {
GM_xmlhttpRequest({
method: "GET", url: apiUrl, headers: { "Accept": "application/json" },
onload: response => {
const availabilityByRoom = { STANDARD_ROOM: new Set(), CLUB: new Set(), STANDARD_SUITE: new Set(), PREMIUM_SUITE: new Set() };
if (response.status === 200) {
const data = JSON.parse(response.responseText);
const days = data.days || {};
for (const date in days) {
const roomsOnDate = days[date];
if (roomsOnDate) {
if (roomsOnDate.STANDARD_ROOM) availabilityByRoom.STANDARD_ROOM.add(date);
if (roomsOnDate.CLUB) availabilityByRoom.CLUB.add(date);
if (roomsOnDate.STANDARD_SUITE) availabilityByRoom.STANDARD_SUITE.add(date);
if (roomsOnDate.PREMIUM_SUITE) availabilityByRoom.PREMIUM_SUITE.add(date);
}
}
}
resolve(availabilityByRoom);
},
onerror: () => resolve({ STANDARD_ROOM: new Set(), CLUB: new Set(), STANDARD_SUITE: new Set(), PREMIUM_SUITE: new Set() })
});
});
}
function getPointsTiers(priceMap) {
const tiers = {};
for (const item of priceMap.values()) {
if (item.type && item.points && !tiers[item.type]) {
tiers[item.type] = item.points;
}
if (tiers.off_peak && tiers.standard && tiers.peak) break;
}
return tiers;
}
function toLocalDateString(date) {
const year = date.getFullYear();
const month = String(date.getMonth() + 1).padStart(2, '0');
const day = String(date.getDate()).padStart(2, '0');
return `${year}-${month}-${day}`;
}
function getHolidays(year) {
const holidays = new Map();
const nthWeekdayOfMonth = (n, weekday, month, year) => {
let count = 0;
const date = new Date(year, month, 1);
while (count < n) {
if (date.getDay() === weekday) count++;
if (count < n) date.setDate(date.getDate() + 1);
}
return date;
};
const lastWeekdayOfMonth = (weekday, month, year) => {
const date = new Date(year, month + 1, 0);
while (date.getDay() !== weekday) {
date.setDate(date.getDate() - 1);
}
return date;
};
const formatDate = (date) => toLocalDateString(date);
holidays.set(formatDate(new Date(year, 0, 1)), { name: "New Year's Day", color: '#FFD700' });
holidays.set(formatDate(nthWeekdayOfMonth(3, 1, 0, year)), { name: 'MLK Day', color: '#483D8B' });
holidays.set(formatDate(lastWeekdayOfMonth(1, 4, year)), { name: 'Memorial Day', color: '#000080' });
holidays.set(formatDate(new Date(year, 6, 4)), { name: 'Independence Day', color: '#B22222' });
holidays.set(formatDate(nthWeekdayOfMonth(1, 1, 8, year)), { name: 'Labor Day', color: '#1E90FF' });
holidays.set(formatDate(nthWeekdayOfMonth(4, 4, 10, year)), { name: 'Thanksgiving', color: '#A0522D' });
holidays.set(formatDate(new Date(year, 11, 25)), { name: 'Christmas Day', color: '#228B22' });
return holidays;
}
function createVisualizerUI(priceData, availabilityData) {
const hotelCode = getHotelCodeFromURL();
const currentYear = new Date().getFullYear();
const holidays = new Map([...getHolidays(currentYear), ...getHolidays(currentYear + 1)]);
const overlay = document.createElement('div');
overlay.className = 'visualizer-overlay hidden';
const modal = document.createElement('div');
modal.className = 'visualizer-modal';
const header = document.createElement('div');
header.className = 'modal-header';
const title = document.createElement('h3');
title.textContent = 'Points Calendar Quick View';
header.appendChild(title);
const headerRight = document.createElement('div');
headerRight.className = 'modal-header-right';
if (priveHotelCodes.has(hotelCode)) {
const priveLink = document.createElement('a');
priveLink.href = 'https://www.hotelft.com/preferred-program/hyatt-prive';
priveLink.textContent = 'Enjoy Privé treatment!';
priveLink.target = '_blank';
priveLink.className = 'prive-link-btn';
headerRight.appendChild(priveLink);
}
const selector = document.createElement('select');
let optionsHTML = '';
if (priceData.STANDARD_ROOM?.size > 0) optionsHTML += `<option value="STANDARD_ROOM">Standard Room</option>`;
if (priceData.CLUB?.size > 0) optionsHTML += `<option value="CLUB">Club Access</option>`;
if (priceData.STANDARD_SUITE?.size > 0) optionsHTML += `<option value="STANDARD_SUITE">Standard Suite</option>`;
if (priceData.PREMIUM_SUITE?.size > 0) optionsHTML += `<option value="PREMIUM_SUITE">Premium Suite</option>`;
selector.innerHTML = optionsHTML;
if (optionsHTML) {
headerRight.appendChild(selector);
}
const closeBtn = document.createElement('button');
closeBtn.className = 'modal-close-btn';
closeBtn.innerHTML = `×`;
headerRight.appendChild(closeBtn);
header.appendChild(headerRight);
const chartContainer = document.createElement('div');
chartContainer.className = 'calendar-chart-container';
const monthsContainer = document.createElement('div');
monthsContainer.className = 'calendar-months';
const weeksContainer = document.createElement('div');
weeksContainer.className = 'calendar-weeks';
const grid = document.createElement('div');
grid.className = 'points-calendar-grid';
chartContainer.append(monthsContainer, weeksContainer, grid);
const legend = document.createElement('div');
legend.className = 'calendar-legend';
const holidayLegend = document.createElement('div');
holidayLegend.className = 'holiday-legend';
const disclaimer = document.createElement('div');
disclaimer.className = 'availability-disclaimer';
disclaimer.textContent = 'Availability based on one-night stay';
modal.append(header, chartContainer, legend, holidayLegend, disclaimer);
overlay.appendChild(modal);
const weekDays = ['', 'Mon', '', 'Wed', '', 'Fri', ''];
weekDays.forEach(day => { weeksContainer.innerHTML += `<div class="week-day">${day}</div>`; });
let holidayLegendHTML = '';
const sortedHolidays = Array.from(holidays.values()).sort((a,b) => a.name.localeCompare(b.name));
const addedHolidays = new Set();
for(const holiday of sortedHolidays){
if(!addedHolidays.has(holiday.name)){
holidayLegendHTML += `<div class="legend-item"><div class="legend-color-box" style="border-color: ${holiday.color};"></div> ${holiday.name}</div>`;
addedHolidays.add(holiday.name);
}
}
holidayLegend.innerHTML = holidayLegendHTML;
function renderGrid(roomType) {
grid.innerHTML = '';
const priceMap = priceData[roomType];
const availabilitySet = availabilityData[roomType] || new Set();
if (!priceMap) return;
let monthsHTML = '', lastMonth = -1, lastMonthLabelWeekIndex = -10;
const startDate = new Date();
startDate.setDate(startDate.getDate() - startDate.getDay());
for (let i = 0; i < 371; i++) {
const currentDate = new Date(startDate);
currentDate.setDate(startDate.getDate() + i);
const dayElement = document.createElement('div');
dayElement.className = 'calendar-day';
if (currentDate.getDay() === 0) {
const currentMonth = currentDate.getMonth();
if (currentMonth !== lastMonth) {
const weekIndex = Math.floor(i / 7);
if (weekIndex > lastMonthLabelWeekIndex + 1) {
const monthName = currentDate.toLocaleString('default', { month: 'short' });
const leftPosition = weekIndex * 17;
monthsHTML += `<div class="month" style="left: ${leftPosition}px;">${monthName}</div>`;
lastMonth = currentMonth;
lastMonthLabelWeekIndex = weekIndex;
}
}
}
const dateString = toLocalDateString(currentDate);
if (new Date(dateString) >= new Date(toLocalDateString(new Date()))) {
const dayData = priceMap.get(dateString);
let title = dateString;
const holiday = holidays.get(dateString);
if (currentDate.getDate() === 1) {
dayElement.innerHTML = `<div class="day-number">1</div>`;
}
if (dayData) {
dayElement.classList.add(dayData.type.replace('_', '-'));
title += `\n${dayData.points.toLocaleString()} Points (${dayData.type})`;
if(holiday){
dayElement.classList.add('is-holiday');
dayElement.style.borderColor = holiday.color;
title += `\n${holiday.name}`;
}
const isAvailable = availabilitySet.has(dateString);
if (isAvailable) {
dayElement.classList.add('clickable');
title += `\nClick to book!`;
dayElement.addEventListener('click', () => {
const checkoutDate = new Date(currentDate);
checkoutDate.setDate(checkoutDate.getDate() + 1);
const checkoutDateString = toLocalDateString(checkoutDate);
const bookingUrl = `https://www.hyatt.com/shop/rooms/${hotelCode}?checkinDate=${dateString}&checkoutDate=${checkoutDateString}&rooms=1&adults=1&kids=0&rateFilter=woh`;
window.open(bookingUrl, '_blank');
});
} else {
dayElement.classList.add('unavailable');
title += `\n(Not Available)`;
}
} else {
if(holiday){
dayElement.classList.add('is-holiday');
dayElement.style.borderColor = holiday.color;
title += `\n${holiday.name}`;
}
dayElement.classList.add('unavailable');
title += `\nNot priced`;
}
dayElement.title = title;
}
grid.appendChild(dayElement);
}
monthsContainer.innerHTML = monthsHTML;
const pointTiers = getPointsTiers(priceMap);
const legendOrder = [ { key: 'off-peak', label: 'Off-Peak' }, { key: 'standard', label: 'Standard' }, { key: 'peak', label: 'Peak' } ];
let legendHTML = '';
for (const item of legendOrder) {
const tierKey = item.key.replace('-', '_');
const points = pointTiers[tierKey];
if (points) {
legendHTML += `<div class="legend-item"><div class="legend-color-box calendar-day ${item.key}"></div> ${item.label} (${points.toLocaleString()})</div>`;
}
}
legend.innerHTML = legendHTML;
}
selector.addEventListener('change', () => renderGrid(selector.value));
closeBtn.addEventListener('click', () => overlay.classList.add('hidden'));
overlay.addEventListener('click', (e) => { if (e.target === overlay) overlay.classList.add('hidden'); });
if(selector.value) renderGrid(selector.value);
return overlay;
}
function waitForElement(selector) {
return new Promise(resolve => {
const el = document.querySelector(selector);
if (el) return resolve(el);
const observer = new MutationObserver(() => {
const targetEl = document.querySelector(selector);
if (targetEl) { observer.disconnect(); resolve(targetEl); }
});
observer.observe(document.body, { childList: true, subtree: true });
});
}
async function main() {
const hotelCode = getHotelCodeFromURL();
if (!hotelCode) return;
const injectionSelector = 'body > div.explore-hotels-content > main > div.vrc-cal-container > div.vrc-calendar > div.calendar-body-header > div.calendar-date-container';
const injectionPoint = await waitForElement(injectionSelector);
if (!injectionPoint) return;
const triggerBtn = document.createElement('button');
triggerBtn.className = 'haiyaa-trigger-btn';
triggerBtn.textContent = 'Haiyaa!';
injectionPoint.appendChild(triggerBtn);
triggerBtn.addEventListener('click', async () => {
const existingModal = document.querySelector('.visualizer-overlay');
if (existingModal) existingModal.remove();
triggerBtn.textContent = '...';
triggerBtn.disabled = true;
try {
const [priceData, availabilityData] = await Promise.all([
fetchPriceData(hotelCode),
fetchAvailabilityData(hotelCode)
]);
const visualizerModal = createVisualizerUI(priceData, availabilityData);
document.body.appendChild(visualizerModal);
visualizerModal.classList.remove('hidden');
} catch (error) {
console.error('[Hyatt Visualizer] A critical error occurred:', error);
triggerBtn.textContent = 'Error!';
setTimeout(() => { triggerBtn.textContent = 'Haiyaa!'; triggerBtn.disabled = false; }, 2000);
return;
}
triggerBtn.textContent = 'Haiyaa!';
triggerBtn.disabled = false;
});
}
main();
})();
