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File size: 5,358 Bytes
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document.addEventListener('DOMContentLoaded', function() {
const cgForm = document.getElementById('cg-calculator-form');
const cgCalculateButton = document.querySelector('.btn-cg-calculate');
if (cgForm && cgCalculateButton) {
function checkFormValidity() {
const isValid = cgForm.checkValidity();
if (isValid) {
cgCalculateButton.disabled = false;
cgCalculateButton.classList.add('enabled');
} else {
cgCalculateButton.disabled = true;
cgCalculateButton.classList.remove('enabled');
}
}
checkFormValidity();
cgForm.addEventListener('input', checkFormValidity);
cgForm.addEventListener('submit', async function(event) {
event.preventDefault();
const formData = new FormData(cgForm);
const [voltage, ledPower] = formData.get('led_type').split(',').map(Number);
const cableLength = parseFloat(formData.get('cable_length')) || 3;
const awg = formData.get('awg') || null;
const fixtureHeight = parseFloat(formData.get('fixture_height')) || null;
const levels = parseInt(formData.get('levels')) || null;
const ledsPerLevel = parseInt(formData.get('leds_per_level')) || 6;
if (awg && voltage && cableLength) {
try {
const resistanceResponse = await fetch(`/get_resistance/${awg}`);
if (resistanceResponse.ok) {
const { resistance } = await resistanceResponse.json();
const totalLEDs = levels * ledsPerLevel;
const initialCurrent = (totalLEDs * ledPower) / voltage;
let remainingVoltage = voltage;
const levelHeight = fixtureHeight / levels;
let resultsHtml = `<p>Total LEDs: ${totalLEDs} pcs</p><br>`;
let accumulatedLength = cableLength;
let currentLoad = totalLEDs * ledPower;
for (let i = 1; i <= levels; i++) {
const ledsAtThisLevel = ledsPerLevel * (levels - i + 1);
currentLoad = ledsAtThisLevel * ledPower;
const current = currentLoad / remainingVoltage;
const calculationResponse = await fetch('/calculate', {
method: 'POST',
headers: {
'Content-Type': 'application/json'
},
body: JSON.stringify({
cables: [{
voltage: remainingVoltage,
load: current,
length: accumulatedLength,
cable_type: awg
}]
})
});
if (calculationResponse.ok) {
const resultData = await calculationResponse.json();
const voltageDrop = resultData[0].voltage_drop;
remainingVoltage -= voltageDrop;
if (remainingVoltage < 0) remainingVoltage = 0;
let colorClass = '';
const voltageDropPercentage = ((voltage - remainingVoltage) / voltage) * 100;
if (voltageDropPercentage > 10) {
colorClass = 'red-text';
} else if (voltageDropPercentage > 5) {
colorClass = 'orange-text';
}
resultsHtml += `<p class="${colorClass}">Level ${i}: Final Voltage: ${remainingVoltage.toFixed(2)} V</p>`;
// Add length for the next level
accumulatedLength += levelHeight;
} else {
console.error("Error calculating voltage drop:", calculationResponse.statusText);
document.getElementById('result').innerHTML = `<p>Error: Unable to calculate voltage drop.</p>`;
return;
}
}
document.getElementById('result').innerHTML = resultsHtml;
} else {
console.error("Error fetching resistance:", resistanceResponse.statusText);
document.getElementById('result').innerHTML = `<p>Error: Unable to fetch cable resistance.</p>`;
}
} catch (error) {
console.error("An error occurred:", error);
document.getElementById('result').innerHTML = `<p>Error: An unexpected error occurred.</p>`;
}
} else {
document.getElementById('result').innerHTML = `<p>Please provide all required fields.</p>`;
}
});
}
});
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