checkpoint

2026-09-21 14:39:14 +03:00
parent 514e443fc2
commit 17c01cd79a
6 changed files with 226 additions and 268 deletions
--- a/fuel-calc.js
+++ b/fuel-calc.js
@@ -0,0 +1,98 @@
+let currentLang = 'ru';
+
+
+function updateLanguage() {
+    const language = langData[currentLang];
+
+    document.getElementById("header").textContent = language.header;
+    document.getElementById("dTaxLabel").textContent = language.dTaxLabel;
+    document.getElementById("dPriceLabel").textContent = language.dPriceLabel;
+    document.getElementById("dConsLabel").textContent = language.dConsLabel;
+    document.getElementById("pTaxLabel").textContent = language.pTaxLabel;
+    document.getElementById("pPriceLabel").textContent = language.pPriceLabel;
+    document.getElementById("pConsLabel").textContent = language.pConsLabel;
+    document.getElementById("annualKmLabel").textContent = language.annualKmLabel;
+    document.getElementById("resultText1").textContent = language.resultText1;
+    document.getElementById("resultText2").textContent = language.resultText2;
+    document.getElementById("resultText3").textContent = language.resultText3;
+    document.getElementById("resultText4").textContent = language.resultText4;
+    document.getElementById("tableDistance").textContent = language.tableDistance;
+    document.getElementById("tableDieselTotal").textContent = language.tableDieselTotal;
+    document.getElementById("tablePetrolTotal").textContent = language.tablePetrolTotal;
+    document.getElementById("tableDifference").textContent = language.tableDifference;
+
+    calculate();
+}
+
+
+document.querySelector('#language-toggle').addEventListener('click', () => {
+    currentLang = (currentLang === 'en') ? 'ru' : 'en';
+    updateLanguage();
+});
+
+document.querySelector('#dark-mode-toggle').addEventListener('click', () => {
+    document.body.classList.toggle('dark-mode');
+});
+
+function calculate() {
+    const dTax = parseFloat(document.getElementById("dTax").value);
+    const dPrice = parseFloat(document.getElementById("dPrice").value);
+    const dCons = parseFloat(document.getElementById("dCons").value);
+    const pTax = parseFloat(document.getElementById("pTax").value);
+    const pPrice = parseFloat(document.getElementById("pPrice").value);
+    const pCons = parseFloat(document.getElementById("pCons").value);
+    const annualKm = parseFloat(document.getElementById("annualKm").value);
+
+    const dieselCostPerKm = (dPrice * dCons) / 100;
+    const petrolCostPerKm = (pPrice * pCons) / 100;
+
+    const dieselAnnualCost = (dTax + (dieselCostPerKm * annualKm));
+    const petrolAnnualCost = (pTax + (petrolCostPerKm * annualKm));
+
+    const diff = Math.abs(dieselAnnualCost - petrolAnnualCost);
+
+    let breakEvenCons = 0;
+    if (dCons < pCons || dTax > pTax) {
+        breakEvenCons = (pCons - ((dTax - pTax) / (annualKm * (pPrice - dPrice))));
+        if (breakEvenCons <= 0) breakEvenCons = 0;
+    }
+
+    let minDieselPrice = 0;
+    if (dPrice < pPrice || dTax > pTax) {
+        minDieselPrice = (pPrice - ((dTax - pTax) / (annualKm * (pCons - dCons))));
+        if (minDieselPrice <= 0) minDieselPrice = 0;
+    }
+
+    document.getElementById("displayKm").textContent = annualKm.toLocaleString();
+    document.getElementById("breakEvenCons").textContent = breakEvenCons.toFixed(2);
+    document.getElementById("minDieselPrice").textContent = minDieselPrice.toFixed(2);
+
+    const tbody = document.getElementById("comparisonTable").getElementsByTagName('tbody')[0];
+    tbody.innerHTML = '';
+
+    for (let i = 10000; i <= 50000; i += 5000) {
+        const row = tbody.insertRow();
+        const cell1 = row.insertCell(0);
+        const cell2 = row.insertCell(1);
+        const cell3 = row.insertCell(2);
+        const cell4 = row.insertCell(3);
+
+        const dCost = (dTax + ((dPrice * dCons) / 100 * i)).toFixed(2);
+        const pCost = (pTax + ((pPrice * pCons) / 100 * i)).toFixed(2);
+        const diffCost = (parseFloat(pCost) - parseFloat(dCost)).toFixed(2);
+
+        cell1.innerHTML = "<strong>" + i.toLocaleString() + "</strong>";
+        cell2.innerHTML = dCost + " €";
+        cell3.innerHTML = pCost + " €";
+        cell4.innerHTML = diffCost + " €";
+
+        if (diffCost > 0) {
+            cell4.className = "saving";
+        } else {
+            cell4.className = "loss";
+        }
+    }
+}
+
+calculate();
+updateLanguage();