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Added input fields for BMR and daily deficit goal #5

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Added input fields for BMR and daily deficit goal #5

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56 changes: 45 additions & 11 deletions index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -59,12 +59,41 @@
background-color: #2196f3;
color: white;
}

input[type="number"] {
margin: 10px 0;
padding: 10px;
font-size: 16px;
width: calc(100% - 22px);
border: 1px solid #ccc;
border-radius: 5px;
box-sizing: border-box;
}

label {
font-size: 16px;
color: #333;
}

input[type="number"]:focus {
border-color: #4caf50;
outline: none;
box-shadow: 0 0 5px rgba(76, 175, 80, 0.5);
}
</style>

</head>
<body>
<div class="container">
<h1>Calorie Status</h1>
<div>
<label for="bmr">Base Metabolic Rate (kcal/day): </label>
<input type="number" id="bmr" value="2000">
</div>
<div>
<label for="deficit">Daily Deficit Goal (kcal): </label>
<input type="number" id="deficit" value="500">
</div>
<div class="counter">
<p id="calorie-count">0</p>
<p id="deficit-count">0</p>
Expand All @@ -75,33 +104,35 @@ <h1>Calorie Status</h1>
</div>

<script type="text/javascript">

// user configuration ------
// these will count our calories burned at rest
let calorieCount = 0;
const hourlyCalorieBurn = 2000 / 24.0; // burned per hour
// goal is to lose 500 kcal/day (i.e. ~1 lb/week)
let desiredDeficitCount = 0;
const hourlyCalorieTargetDeficit = 500 / 24.0;
// --------------------------

let lastUpdateTime = Date.now();

function getBMR() {
return parseFloat(document.getElementById('bmr').value);
}

function getDeficitGoal() {
return parseFloat(document.getElementById('deficit').value);
}

function updateCalorieCount() {
const currentTime = Date.now();
const elapsedHours = (currentTime - lastUpdateTime) / (1000 * 60 * 60);
const hourlyCalorieBurn = getBMR() / 24.0;
const hourlyCalorieTargetDeficit = getDeficitGoal() / 24.0;
calorieCount -= elapsedHours * hourlyCalorieBurn;
desiredDeficitCount -= elapsedHours * hourlyCalorieTargetDeficit;
lastUpdateTime = currentTime;
document.getElementById('calorie-count').innerText = calorieCount.toFixed(2);
document.getElementById('deficit-count').innerText = "GOAL: " + desiredDeficitCount.toFixed(2);
let color = calorieCount < desiredDeficitCount ? 'green' : 'red'; // green if met, red otherwise
let color = calorieCount < desiredDeficitCount ? 'green' : 'red';
document.getElementById('deficit-count').style.color = color;
}

document.getElementById('reset-button').addEventListener('click', () => {
calorieCount = 0;
desiredDeficitCount = 0; // reset the goal counter as well
desiredDeficitCount = 0;
lastUpdateTime = Date.now();
});

Expand All @@ -115,7 +146,10 @@ <h1>Calorie Status</h1>
calorieCount += 100;
});

setInterval(updateCalorieCount, 500); // update counter every 500ms
document.getElementById('bmr').addEventListener('input', updateCalorieCount);
document.getElementById('deficit').addEventListener('input', updateCalorieCount);

setInterval(updateCalorieCount, 500);
</script>

</body>
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