Calc.github.io/index.html at main · samprapist/Calc.github.io · GitHub

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<!DOCTYPE html>
<html lang="pl">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Universal Trading Calculator</title>
    <style>
        body { background: #0b0e11; color: #eaecef; font-family: 'Segoe UI', sans-serif; padding: 20px; }
        .container { max-width: 550px; margin: auto; background: #181a20; padding: 25px; border-radius: 16px; box-shadow: 0 8px 24px rgba(0,0,0,0.5); }
        h2 { text-align: center; color: #f0b90b; margin-bottom: 20px; }
        .input-group { margin-bottom: 15px; }
        label { display: block; font-size: 12px; color: #848e9c; margin-bottom: 5px; }
        input, select { width: 100%; padding: 12px; background: #2b2f36; border: 1px solid #474d57; color: white; border-radius: 8px; box-sizing: border-box; font-size: 14px; }
        input:focus { border-color: #f0b90b; outline: none; }
        .flex-row { display: flex; gap: 10px; }
        .flex-row > div { flex: 1; }
        button { width: 100%; padding: 15px; background: #f0b90b; border: none; color: #181a20; font-weight: bold; cursor: pointer; border-radius: 8px; font-size: 16px; margin-top: 10px; }
        button:hover { background: #d9a508; }
        .result { margin-top: 20px; padding: 20px; background: #2b3139; border-radius: 12px; }
        .res-line { display: flex; justify-content: space-between; margin-bottom: 10px; font-size: 14px; }
        .green { color: #0ecb81; }
        .red { color: #f6465d; }
        .suggestions { background: #2b2f36; border: 1px solid #474d57; max-height: 200px; overflow-y: auto; position: absolute; width: calc(550px - 50px); z-index: 100; border-radius: 8px; }
        .suggestions div { padding: 12px; cursor: pointer; border-bottom: 1px solid #3b3f46; }
        .suggestions div:hover { background: #3b3f46; }
        .fx-bar { display: flex; justify-content: space-around; font-size: 11px; color: #848e9c; margin-top: 15px; }
    </style>
</head>
<body>

<div class="container">
    <h2>Smart Trade Calc</h2>

    <div class="input-group">
        <label>Instrument (Wyszukaj np. GOLD, DE40, AAPL.US, PKN.PL)</label>
        <input type="text" id="search" placeholder="Zacznij pisać..." autocomplete="off">
        <div class="suggestions" id="suggestions"></div>
    </div>

    <div class="flex-row">
        <div class="input-group">
            <label>Typ</label>
            <select id="type">
                <option value="buy">LONG (Kupno)</option>
                <option value="sell">SHORT (Sprzedaż)</option>
            </select>
        </div>
        <div class="input-group">
            <label>Twój Depozyt (PLN)</label>
            <input type="number" id="amount" value="1000">
        </div>
    </div>

    <div class="input-group">
        <label>Cena Wejścia</label>
        <input type="number" id="entry" step="any" placeholder="0.0000">
    </div>

    <div class="flex-row">
        <div class="input-group">
            <label>Stop Loss</label>
            <input type="number" id="sl" step="any">
        </div>
        <div class="input-group">
            <label>Take Profit</label>
            <input type="number" id="tp" step="any">
        </div>
    </div>

    <div class="input-group">
        <label>Dźwignia (np. 30 dla 1:30)</label>
        <input type="number" id="leverage" value="20">
    </div>

    <button onclick="calculate()">OBLICZ POZYCJĘ</button>

    <div id="results"></div>

    <div class="fx-bar">
        <span id="usdpln">USDPLN: ...</span>
        <span id="eurpln">EURPLN: ...</span>
    </div>
</div>

<script>
let instruments = [];
let selectedInstrument = null;
let rates = { USD: 4.0, EUR: 4.30, PLN: 1.0 };

// 1. Pobieranie kursów walut
async function fetchRates() {
    try {
        const [usdRes, eurRes] = await Promise.all([
            fetch("https://api.nbp.pl/api/exchangerates/rates/a/usd/?format=json").then(r => r.json()),
            fetch("https://api.nbp.pl/api/exchangerates/rates/a/eur/?format=json").then(r => r.json())
        ]);
        rates.USD = usdRes.rates[0].mid;
        rates.EUR = eurRes.rates[0].mid;
        document.getElementById("usdpln").textContent = `USDPLN: ${rates.USD.toFixed(4)}`;
        document.getElementById("eurpln").textContent = `EURPLN: ${rates.EUR.toFixed(4)}`;
    } catch (e) {
        console.error("Błąd kursów walut");
    }
}
fetchRates();

// 2. Ładowanie bazy instrumentów
fetch("xtb.json")
    .then(res => res.json())
    .then(data => { instruments = data.instruments; })
    .catch(() => console.log("Upewnij się, że plik xtb.json istnieje!"));

// 3. Obsługa wyszukiwarki
document.getElementById("search").addEventListener("input", function() {
    let val = this.value.toUpperCase();
    let box = document.getElementById("suggestions");
    box.innerHTML = "";
    if (val.length < 1) return;

    let matches = instruments.filter(i => i.symbol.includes(val)).slice(0, 8);
    matches.forEach(m => {
        let d = document.createElement("div");
        d.textContent = m.symbol;
        d.onclick = () => {
            selectedInstrument = m;
            document.getElementById("search").value = m.symbol;
            box.innerHTML = "";
            // Przykładowa cena, jeśli masz ją w JSON
            if(m.price) document.getElementById("entry").value = m.price;
        };
        box.appendChild(d);
    });
});

// 4. Logika obliczeń
function calculate() {
    if (!selectedInstrument) { alert("Wybierz instrument!"); return; }

    const amount = parseFloat(document.getElementById("amount").value);
    const entry = parseFloat(document.getElementById("entry").value);
    const sl = parseFloat(document.getElementById("sl").value);
    const tp = parseFloat(document.getElementById("tp").value);
    const leverage = parseFloat(document.getElementById("leverage").value);
    const type = document.getElementById("type").value;

    if (!entry || !sl || !tp) { alert("Uzupełnij ceny!"); return; }

    // DETEKCJA WALUTY INSTRUMENTU
    let currency = "USD"; // domyślnie USA/Surowce
    const sym = selectedInstrument.symbol;

    if (sym.endsWith(".PL") || sym.includes("W20")) currency = "PLN";
    else if (sym.endsWith(".DE") || sym.includes("EU") || sym.includes("DE40")) currency = "EUR";

    const currentCrossRate = rates[currency];

    // OBLICZENIA
    // 1. Wartość pozycji w PLN (Depozyt * Dźwignia)
    const posValuePLN = amount * leverage;

    // 2. Wartość pozycji w walucie instrumentu
    const posValueNominal = posValuePLN / currentCrossRate;

    // 3. Ilość jednostek (np. ile uncji złota lub ile akcji Apple)
    const quantity = posValueNominal / entry;

    // 4. Zysk i Strata
    const diffSL = type === "buy" ? (entry - sl) : (sl - entry);
    const diffTP = type === "buy" ? (tp - entry) : (entry - tp);

    const riskInCurrency = diffSL * quantity;
    const rewardInCurrency = diffTP * quantity;

    // 5. Powrót do PLN
    const riskPLN = riskInCurrency * currentCrossRate;
    const rewardPLN = rewardInCurrency * currentCrossRate;

    const rr = Math.abs(rewardPLN / riskPLN);

    document.getElementById("results").innerHTML = `
        <div class="result">
            <div class="res-line"><span>Waluta kwotowania:</span> <b>${currency} (kurs: ${currentCrossRate.toFixed(4)})</b></div>
            <div class="res-line"><span>Wartość kontraktu:</span> <b>${posValuePLN.toFixed(2)} PLN</b></div>
            <div class="res-line"><span>Wielkość (Ilość):</span> <b>${quantity.toFixed(4)} jednostek</b></div>
            <hr style="border:0; border-top:1px solid #3b3f46; margin: 15px 0;">
            <div class="res-line"><span>Ryzyko (Stop Loss):</span> <span class="red">-${riskPLN.toFixed(2)} PLN</span></div>
            <div class="res-line"><span>Zysk (Take Profit):</span> <span class="green">+${rewardPLN.toFixed(2)} PLN</span></div>
            <div class="res-line"><span>Stosunek R:R:</span> <b>1 : ${rr.toFixed(2)}</b></div>
        </div>
    `;
}
</script>
</body>
</html>