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2071 lines (1856 loc) · 75.1 KB
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=0.8, user-scalable=yes">
<title> Investment Simulator</title>
<style>
body { font-family: Arial, sans-serif; margin: 20px; font-size: 18px; }
.container { max-width: 1400px; margin: auto; display: flex; flex-direction: row; gap: 20px; }
aside { width: 320px; min-width: 250px; background: #f4f4f4; border-radius: 8px; padding: 24px 18px; }
main { flex: 1; min-width: 0; }
/* Mobile-first responsive design */
@media (max-width: 768px) {
body {
margin: 2px;
font-size: 12px;
overflow-x: hidden;
}
.container {
flex-direction: column;
gap: 5px;
padding: 0;
margin: 0;
width: 100vw;
max-width: 100vw;
box-sizing: border-box;
}
aside {
width: calc(100vw - 16px);
min-width: unset;
padding: 12px 8px;
margin: 4px 8px;
box-sizing: border-box;
}
main {
width: 100vw;
max-width: 100vw;
padding: 0;
margin: 0;
overflow-x: hidden;
box-sizing: border-box;
}
h1 {
font-size: 16px;
margin: 4px 0;
text-align: center;
padding: 0 4px;
}
h2 {
font-size: 14px;
margin: 4px 0;
}
label {
min-width: 80px;
font-size: 12px;
text-align: right;
flex: 1;
}
input, select {
width: 60px;
padding: 2px;
font-size: 12px;
text-align: right;
flex-shrink: 0;
}
.form-row {
gap: 4px;
flex-wrap: wrap;
margin-bottom: 4px;
justify-content: flex-end;
align-items: center;
}
/* Make graph container responsive */
.graph-container {
width: 100vw;
max-width: 100vw;
margin: 5px 0;
padding: 4px 2px;
box-sizing: border-box;
overflow: hidden;
border: none;
border-radius: 0;
}
.graph-container canvas {
width: 100% !important;
max-width: 100% !important;
height: auto !important;
min-height: 280px;
}
/* Make tables mobile-friendly */
.ytab {
font-size: 8px;
display: block;
overflow-x: auto;
white-space: nowrap;
width: 100vw;
max-width: 100vw;
box-sizing: border-box;
margin: 0;
}
th, td {
padding: 1px 2px;
font-size: 8px;
white-space: nowrap;
min-width: 30px;
}
/* Tab buttons responsive */
.tab-buttons {
flex-wrap: wrap;
gap: 4px;
padding: 0 4px;
}
.tab-buttons button {
padding: 4px 8px;
font-size: 11px;
flex: 1;
min-width: 80px;
max-width: 120px;
}
/* Tab content adjustments */
.tab-content {
padding: 4px;
margin: 0;
overflow: hidden;
width: 100%;
max-width: 100%;
box-sizing: border-box;
}
/* Strategy content wrapper */
.strategy-content-wrapper {
width: 100%;
max-width: 100%;
overflow: hidden;
box-sizing: border-box;
margin: 0;
}
/* Make validation error messages mobile-friendly */
.error-message div {
font-size: 12px !important;
padding: 8px !important;
}
.error-message ul {
padding-left: 12px !important;
}
.error-message li {
font-size: 11px !important;
margin-bottom: 2px !important;
}
}
/* Tablet styles */
@media (max-width: 1024px) and (min-width: 769px) {
body { margin: 15px; }
.container { gap: 15px; }
aside { width: 280px; }
.graph-container {
width: 100%;
overflow-x: auto;
}
}
h1, h2 { text-align: center; }
form, #fixedVarsForm { display: flex; flex-direction: column; gap: 12px; margin-bottom: 30px; }
.form-row {
display: flex;
align-items: center;
gap: 10px;
justify-content: flex-end;
}
label {
font-weight: bold;
margin-bottom: 2px;
min-width: 160px;
font-size: 18px;
text-align: right;
flex: 1;
}
input, select {
width: 110px;
padding: 8px;
margin-top: 2px;
font-size: 18px;
text-align: right;
flex-shrink: 0;
}
.full-width { grid-column: 1 / span 2; }
table { width: 100%; border-collapse: collapse; margin-top: 30px; }
th, td { border: 1px solid #ccc; padding: 10px; text-align: right; font-size: 15px; }
th { background: #f4f4f4; cursor: help; }
tr:hover { background: #e9f7ef; }
.scenario-list { margin-top: 20px; }
#plot, #netWorthGraph { margin-top: 40px; margin-bottom: 20px; }
fieldset { border: 1px solid #ccc; padding: 15px; }
legend { font-weight: bold; }
.collapsible {
background-color: #eee;
color: #444;
cursor: pointer;
padding: 10px;
width: 100%;
border: none;
text-align: left;
outline: none;
font-size: 18px;
margin-top: 10px;
}
.active, .collapsible:hover {
background-color: #ccc;
}
.content {
padding: 0 0 10px 0;
display: none;
overflow: hidden;
background-color: #f9f9f9;
}
.ytab {
border-collapse: collapse;
width: 100%;
margin-top: 10px;
}
.ytab th, .ytab td {
border: 1px solid #aaa;
padding: 8px;
text-align: center;
position: relative;
}
.ytab th {
background: #f4f4f4;
}
.tooltip {
visibility: hidden;
background-color: #333;
color: #fff;
text-align: left;
border-radius: 6px;
padding: 6px;
position: absolute;
z-index: 1;
bottom: 125%;
left: 50%;
transform: translateX(-50%);
opacity: 0;
transition: opacity 0.3s;
width: 220px;
font-size: 13px;
pointer-events: none;
}
.ytab td:hover .tooltip {
visibility: visible;
opacity: 1;
}
.tabview { margin-top: 20px; }
.tab-buttons { display: flex; gap: 12px; margin-bottom: 14px; }
.tab-buttons button { padding: 10px 28px; border: none; background: #eee; cursor: pointer; font-size: 19px; border-radius: 4px; }
.tab-buttons button.active { background: #ccc; font-weight: bold; }
.tab-content { background: #f9f9f9; padding: 24px; border-radius: 6px; min-height: 120px; }
/* Reset button styling */
#resetButton {
width: 100%;
margin-top: 10px;
}
#resetButton:hover {
background-color: #c82333 !important;
transform: scale(1.02);
transition: all 0.2s ease;
}
#resetButton:active {
transform: scale(0.98);
}
@media (max-width: 768px) {
#resetButton {
padding: 6px 8px;
font-size: 12px;
margin-top: 8px;
}
}
/* Strategy content wrapper for smooth transitions */
.strategy-content-wrapper {
opacity: 1;
transition: opacity 0.2s ease-in-out;
}
/* Strategy sections */
.strategy-section {
margin-bottom: 18px;
border: 2px solid #b0b0b0;
border-radius: 8px;
height: 280px;
min-height: 280px;
max-height: 280px;
overflow: hidden;
display: flex;
flex-direction: column;
justify-content: flex-start;
padding: 0 32px;
}
.strategy-section.buy-rent {
background: #f8f8f8;
height: 400px;
min-height: 400px;
max-height: 400px;
}
.strategy-section.stocks-bonds { background: #f8f8ff; height: 170px; min-height: 170px; max-height: 170px; }
.strategy-section.simulation {
background: #f9f9f9;
height: 340px;
min-height: 340px;
max-height: 340px;
overflow: auto;
}
@media (max-width: 768px) {
.strategy-section {
min-width: unset;
width: 100%;
max-width: 100%;
padding: 0 8px;
margin: 0 0 8px 0;
box-sizing: border-box;
border-radius: 4px;
height: auto;
min-height: 120px;
overflow: hidden;
}
.strategy-section h3 {
font-size: 14px;
margin: 4px 0;
padding-left: 4px;
}
.strategy-section.simulation {
height: auto;
min-height: 150px;
max-height: 300px;
overflow: auto;
}
.strategy-section.buy-rent {
height: 280px;
min-height: 280px;
max-height: 280px;
overflow: auto;
}
.strategy-section.stocks-bonds {
height: auto;
min-height: 100px;
max-height: 150px;
overflow: hidden;
}
/* Section content should be scrollable */
.section-content {
overflow-x: auto;
overflow-y: auto;
height: 100%;
max-height: calc(100% - 30px);
}
/* Make form inputs mobile friendly - 3 items per line */
.form-inputs,
.vertical-tab-content form > div:first-child {
display: grid;
grid-template-columns: repeat(3, 1fr);
gap: 4px;
padding: 4px;
overflow-y: auto;
max-height: 180px;
}
.input-group {
min-width: unset;
flex: none;
display: flex;
flex-direction: column;
align-items: stretch;
}
.input-group label {
font-size: 9px;
min-width: unset;
white-space: nowrap;
text-overflow: ellipsis;
overflow: hidden;
margin-bottom: 2px;
}
.input-group input {
width: 100%;
max-width: none;
font-size: 9px;
padding: 2px;
box-sizing: border-box;
}
.input-group.calculated {
min-width: unset;
}
.input-group.calculated input {
width: 100%;
}
.calculated-note {
font-size: 8px;
margin-top: 1px;
}
/* Vertical tabs mobile adjustments */
.vertical-tab-buttons {
padding-right: 6px;
margin-right: 6px;
flex: 0 0 auto;
min-width: 50px;
}
.vertical-tab-button {
padding: 4px 6px;
font-size: 10px;
white-space: nowrap;
}
.vertical-tab-content {
flex: 1;
min-width: 0;
overflow-y: auto;
max-height: 200px;
}
/* Remainder section mobile */
.remainder-section {
display: grid;
grid-template-columns: 1fr auto;
gap: 8px;
padding: 4px;
overflow-y: auto;
max-height: 100px;
}
.split-inputs {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 4px;
}
.split-input-group {
min-width: unset;
flex: none;
display: flex;
flex-direction: column;
}
.split-input-group label {
font-size: 9px;
white-space: nowrap;
}
.split-input-group input {
width: 100%;
font-size: 9px;
padding: 2px;
box-sizing: border-box;
}
.nominal-value {
font-size: 8px;
}
}
.strategy-section h3 {
margin: 10px 0 8px 0;
padding-left: 12px;
font-size: 20px;
border-bottom: 1px solid #ccc;
}
.section-content {
display: flex;
flex: 1;
}
/* Vertical tabs */
.vertical-tab-buttons {
display: flex;
flex-direction: column;
border-right: 1px solid #ccc;
padding-right: 18px;
margin-right: 18px;
}
.vertical-tab-button {
padding: 10px 18px;
border: none;
background: #eee;
cursor: pointer;
font-size: 17px;
border-left: 6px solid transparent;
margin-bottom: 2px;
}
.vertical-tab-button.buy { border-radius: 4px 4px 0 0; }
.vertical-tab-button.rent { border-radius: 0 0 4px 4px; margin-bottom: 0; }
.vertical-tab-button.active { border-left-color: #0074D9; font-weight: bold; }
.vertical-tab-content { flex: 1; }
/* Form styling */
.form-inputs {
display: flex;
align-items: flex-start;
gap: 12px;
margin-bottom: 8px;
flex-wrap: wrap;
}
.input-group {
display: flex;
flex-direction: column;
gap: 6px;
}
.input-group.calculated {
align-items: flex-start;
min-width: 180px;
position: relative;
}
.input-group.calculated .calculated-input:hover + .input-tooltip {
visibility: visible;
opacity: 1;
}
.input-tooltip {
visibility: hidden;
background-color: #333;
color: #fff;
text-align: left;
border-radius: 6px;
padding: 8px;
position: absolute;
z-index: 1000;
bottom: 125%;
left: 50%;
transform: translateX(-50%);
opacity: 0;
transition: opacity 0.3s;
max-width: 400px;
min-width: 250px;
font-size: 13px;
pointer-events: none;
white-space: normal;
word-wrap: break-word;
line-height: 1.3;
}
.input-group label.calculated-label {
color: #555;
font-style: italic;
}
.calculated-input {
background: #f0f0f0;
border: 1px solid #bbb;
color: #333;
font-weight: bold;
}
.calculated-note {
font-size: 12px;
color: #888;
}
.error-message {
color: #b00;
font-weight: bold;
margin: 8px 0;
}
/* Remainder section */
.remainder-section {
display: flex;
align-items: flex-end;
gap: 16px;
margin-bottom: 8px;
}
.split-inputs {
display: flex;
gap: 12px;
align-items: flex-end;
}
.split-input-group {
display: flex;
flex-direction: column;
align-items: flex-start;
}
.split-input-group label {
font-size: 18px;
}
.split-input-group input {
width: 60px;
font-size: 18px;
padding: 6px;
}
.split-input-group input[readonly] {
background: #eee;
color: #888;
}
.nominal-value {
font-size: 16px;
color: #888;
margin-top: 2px;
}
/* Graph container */
.graph-container {
width: 100%;
max-width: 1400px;
height: 500px;
margin: 40px 0 20px 0;
border: 1px solid #ddd;
border-radius: 6px;
background: #fff;
padding: 20px;
position: relative;
box-sizing: border-box;
}
@media (max-width: 768px) {
.graph-container {
width: 100vw;
max-width: 100vw;
margin: 5px 0;
padding: 4px 2px;
height: 280px;
border: none;
border-radius: 0;
box-sizing: border-box;
overflow: hidden;
}
#resetButton {
padding: 6px 8px;
font-size: 12px;
margin-top: 8px;
}
}
/* Simulation controls */
.simulation-controls {
padding: 10px 12px;
background: #f0f0f0;
border-bottom: 1px solid #ccc;
display: flex;
align-items: center;
}
.simulation-controls label {
font-size: 16px;
font-weight: bold;
min-width: auto;
}
/* Strategy management */
.strategy-management {
display: none; /* Hide the old strategy management bar */
}
/* Tab button improvements */
.tab-buttons button.editable {
position: relative;
padding-right: 35px;
}
.tab-edit-btn {
position: absolute;
right: 8px;
top: 50%;
transform: translateY(-50%);
background: none;
border: none;
cursor: pointer;
font-size: 12px;
color: #666;
padding: 2px;
}
.tab-edit-btn:hover {
color: #333;
background: rgba(0,0,0,0.1);
border-radius: 2px;
}
/* Add strategy button */
.add-strategy-tab {
padding: 10px 16px;
border: none;
background: #4CAF50;
color: white;
cursor: pointer;
font-size: 19px;
border-radius: 4px;
font-weight: bold;
}
.add-strategy-tab:hover {
background: #45a049;
}
/* Strategy popup */
.strategy-popup {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
background: rgba(0, 0, 0, 0.5);
z-index: 10000;
display: none;
justify-content: center;
align-items: center;
}
.strategy-popup-content {
background: white;
padding: 24px;
border-radius: 8px;
box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
max-width: 400px;
width: 90%;
}
.strategy-popup h3 {
margin-top: 0;
margin-bottom: 16px;
font-size: 18px;
}
.strategy-popup-input {
width: 100%;
padding: 8px;
margin-bottom: 16px;
border: 1px solid #ccc;
border-radius: 4px;
font-size: 16px;
box-sizing: border-box;
}
.strategy-popup-buttons {
display: flex;
gap: 12px;
justify-content: flex-end;
}
.strategy-popup-buttons button {
padding: 8px 16px;
border: none;
border-radius: 4px;
cursor: pointer;
font-size: 14px;
font-weight: bold;
}
.popup-btn-primary {
background: #4CAF50;
color: white;
}
.popup-btn-primary:hover {
background: #45a049;
}
.popup-btn-danger {
background: #f44336;
color: white;
}
.popup-btn-danger:hover {
background: #da190b;
}
.popup-btn-secondary {
background: #ccc;
color: #333;
}
.popup-btn-secondary:hover {
background: #bbb;
}
</style>
</head>
<body>
<div class="container">
<aside>
<h2>Fixed Variables</h2>
<form id="fixedVarsForm">
<div class="form-row"><label for="cashAtHand">Cash at Hand</label><input type="number" id="cashAtHand" value="80000"></div>
<div class="form-row"><label for="interestRate">Loan Interest Rate (%/year)</label><input type="number" id="interestRate" step="0.01" value="3.0"></div>
<div class="form-row"><label for="monthlyAllowance">Max Investable Monthly Allowance</label><input type="number" id="monthlyAllowance" value="1500"></div>
<div class="form-row"><label for="avgStockReturn">Avg. Stock Return (%/year)</label><input type="number" id="avgStockReturn" step="0.01" value="8.0"></div>
<div class="form-row"><label for="avgRealEstateReturn">Avg. Real Estate Return (%/year)</label><input type="number" id="avgRealEstateReturn" step="0.01" value="3.0"></div>
<div class="form-row"><label for="avgBondReturn">Avg. Bond Return (%/year)</label><input type="number" id="avgBondReturn" step="0.01" value="2.0"></div>
<div class="form-row"><label for="capitalGainsTax">Capital Gains Tax (%)</label><input type="number" id="capitalGainsTax" step="0.01" value="10.0"></div>
<div class="form-row"><label for="prepaymentPenalty">Prepayment Penalty (% of remaining loan)</label><input type="number" id="prepaymentPenalty" step="0.01" value="1.0"></div>
<div class="form-row"><label for="registrationTax">Registration Tax (% of house price)</label><input type="number" id="registrationTax" step="0.01" value="6.0"></div>
<div class="form-row"><label for="maintenanceCosts">Maintenance Costs (% of house price/year)</label><input type="number" id="maintenanceCosts" step="0.01" value="1.0"></div>
<div class="form-row"><label for="simulationYears">Simulation Years</label><input type="number" id="simulationYears" min="1" max="50" value="25"></div>
</form>
<button id="resetButton" style="background-color: #dc3545; color: white; border: none; padding: 10px 15px; border-radius: 4px; cursor: pointer; margin-top: 10px; font-size: 14px;">
🔄 Reset All Settings
</button>
</aside>
<main style="flex: 1;">
<h1> Investment Simulator</h1>
<div class="graph-container">
<canvas id="plot"></canvas>
</div>
<div id="netWorthGraph"></div>
<div class="tabview">
<div class="tab-buttons" id="tabButtons"></div>
<div class="tab-content" id="tabContent"></div>
</div>
</main>
</div>
<!-- Strategy Management Popup -->
<div class="strategy-popup" id="strategyPopup">
<div class="strategy-popup-content">
<h3 id="popupTitle">Edit Strategy</h3>
<input type="text" id="popupStrategyName" class="strategy-popup-input" placeholder="Enter strategy name" maxlength="30">
<div class="strategy-popup-buttons">
<button class="popup-btn-secondary" onclick="closeStrategyPopup()">Cancel</button>
<button class="popup-btn-danger" id="popupDeleteBtn" onclick="deleteStrategyFromPopup()" style="display: none;">Delete</button>
<button class="popup-btn-primary" id="popupSaveBtn" onclick="saveStrategyFromPopup()">Save</button>
</div>
</div>
</div>
<script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
<script>
// Make strategies array mutable and add unique IDs
let strategies = [
{ id: 1, name: "House and Stocks", splits: { realEstate: 0, stocks: 90, bonds: 10 } },
{ id: 2, name: "Rent and Stocks", splits: { realEstate: 0, stocks: 90, bonds: 10 } }
];
let currentStrategyId = 0;
let nextStrategyId = 3; // Start from 3 since we have 2 default strategies
// Store latest input values and simulation results for each strategy
let strategyInputs = strategies.map((strategy, idx) => ({
id: strategy.id,
mode: idx === 0 ? 'buy' : 'rent',
housePrice: 320000,
initialDeposit: 80000,
loanTerm: 25,
monthlyRent: 1200,
stocks: 90,
bonds: 10,
selectedTab: idx === 0 ? 'buy' : 'rent',
simRows: []
}));
let currentPopupStrategyIndex = -1;
let popupMode = 'edit'; // 'edit' or 'add'
// Cookie management functions
function saveStateToCookies() {
try {
// Save fixed variables
const fixedVars = {
cashAtHand: document.getElementById('cashAtHand').value,
interestRate: document.getElementById('interestRate').value,
monthlyAllowance: document.getElementById('monthlyAllowance').value,
avgStockReturn: document.getElementById('avgStockReturn').value,
avgRealEstateReturn: document.getElementById('avgRealEstateReturn').value,
avgBondReturn: document.getElementById('avgBondReturn').value,
capitalGainsTax: document.getElementById('capitalGainsTax').value,
prepaymentPenalty: document.getElementById('prepaymentPenalty').value,
registrationTax: document.getElementById('registrationTax').value,
maintenanceCosts: document.getElementById('maintenanceCosts').value,
simulationYears: document.getElementById('simulationYears').value
};
// Save strategies and their inputs
const strategiesData = {
strategies: strategies,
strategyInputs: strategyInputs,
nextStrategyId: nextStrategyId,
currentStrategyId: currentStrategyId
};
// Use localStorage instead of cookies for better capacity
localStorage.setItem('financialSimulator_fixedVars', JSON.stringify(fixedVars));
localStorage.setItem('financialSimulator_strategies', JSON.stringify(strategiesData));
} catch (error) {
console.error('Error saving state to localStorage:', error);
}
}
function loadStateFromCookies() {
try {
// Load fixed variables
const fixedVarsData = localStorage.getItem('financialSimulator_fixedVars');
if (fixedVarsData) {
const fixedVars = JSON.parse(fixedVarsData);
Object.keys(fixedVars).forEach(key => {
const element = document.getElementById(key);
if (element) {
element.value = fixedVars[key];
}
});
}
// Load strategies
const strategiesData = localStorage.getItem('financialSimulator_strategies');
if (strategiesData) {
const data = JSON.parse(strategiesData);
strategies = data.strategies || strategies;
strategyInputs = data.strategyInputs || strategyInputs;
nextStrategyId = data.nextStrategyId || nextStrategyId;
currentStrategyId = data.currentStrategyId || currentStrategyId;
}
return true;
} catch (error) {
console.error('Error loading state from localStorage:', error);
return false;
}
}
function renderTabButtons() {
const tabButtons = document.getElementById('tabButtons');
tabButtons.innerHTML = '';
// Render strategy tabs
strategies.forEach((s, i) => {
const btn = document.createElement('button');
btn.className = i === currentStrategyId ? 'active editable' : 'editable';
btn.innerHTML = `${s.name}<span class="tab-edit-btn" onclick="openStrategyPopup(${i}, event)" title="Edit strategy">⚙️</span>`;
btn.onclick = (e) => {
// Prevent edit button from triggering tab selection
if (!e.target.classList.contains('tab-edit-btn')) {
selectStrategyTab(i);
}
};
tabButtons.appendChild(btn);
});
// Add the + button at the end
const addBtn = document.createElement('button');
addBtn.className = 'add-strategy-tab';
addBtn.textContent = '+';
addBtn.title = 'Add new strategy';
addBtn.onclick = () => openAddStrategyPopup();
tabButtons.appendChild(addBtn);
}
function openStrategyPopup(strategyIndex, event) {
event.stopPropagation();
currentPopupStrategyIndex = strategyIndex;
popupMode = 'edit';
const strategy = strategies[strategyIndex];
document.getElementById('popupTitle').textContent = 'Edit Strategy';
document.getElementById('popupStrategyName').value = strategy.name;
document.getElementById('popupDeleteBtn').style.display = strategies.length > 1 ? 'inline-block' : 'none';
document.getElementById('popupSaveBtn').textContent = 'Save';
showStrategyPopup();
}
function openAddStrategyPopup() {
currentPopupStrategyIndex = -1;
popupMode = 'add';
document.getElementById('popupTitle').textContent = 'Add New Strategy';
document.getElementById('popupStrategyName').value = '';
document.getElementById('popupDeleteBtn').style.display = 'none';
document.getElementById('popupSaveBtn').textContent = 'Add';
showStrategyPopup();
}
function showStrategyPopup() {
const popup = document.getElementById('strategyPopup');
popup.style.display = 'flex';
document.getElementById('popupStrategyName').focus();
// Close popup when clicking outside
popup.onclick = (e) => {
if (e.target === popup) {
closeStrategyPopup();
}
};
}
function closeStrategyPopup() {
document.getElementById('strategyPopup').style.display = 'none';
}
function saveStrategyFromPopup() {
const name = document.getElementById('popupStrategyName').value.trim();
if (!name) {
alert('Please enter a strategy name');
return;
}
// Check for duplicate names (excluding current strategy if editing)
const isDuplicate = strategies.some((s, i) =>