{{HEADER}}

<div dir="rtl" class="container mx-auto px-6 py-8">
    <div class="max-w-4xl mx-auto">
        <h1 class="text-3xl font-bold text-center mb-8 text-gray-800">
            <i class="fa-solid fa-money-bill-transfer text-green-500 mr-3"></i>محول العملات
        </h1>
        
        <div class="bg-white rounded-xl shadow-lg p-8 calculator-card">
            <div class="grid grid-cols-1 lg:grid-cols-2 gap-8">
                <!-- Input Form -->
                <div>
                    <h2 class="text-xl font-semibold mb-6 text-gray-700">تحويل Currency</h2>
                    <form id="currency-form" class="space-y-6">
                        <div>
                            <label for="from-currency" class="block text-sm font-medium text-gray-700 mb-2">From Currency</label>
                            <select id="from-currency" name="fromCurrency" 
                                    class="w-full p-3 border border-gray-300 rounded-lg focus:ring-2 focus:ring-green-500 focus:border-transparent">
                                <!-- Options will be populated by JavaScript -->
                            </select>
                        </div>
                        
                        <div>
                            <label for="to-currency" class="block text-sm font-medium text-gray-700 mb-2">To Currency</label>
                            <select id="to-currency" name="toCurrency" 
                                    class="w-full p-3 border border-gray-300 rounded-lg focus:ring-2 focus:ring-green-500 focus:border-transparent">
                                <!-- Options will be populated by JavaScript -->
                            </select>
                        </div>
                        
                        <div>
                            <label for="amount" class="block text-sm font-medium text-gray-700 mb-2">Amount</label>
                            <input type="number" id="amount" name="amount" value="1" step="0.01" min="0"
                                   class="w-full p-3 border border-gray-300 rounded-lg focus:ring-2 focus:ring-green-500 focus:border-transparent"
                                   placeholder="Enter amount to تحويل">
                        </div>
                        
                        <button type="submit" 
                                class="w-full bg-green-600 hover:bg-green-700 text-white font-semibold py-3 px-6 rounded-lg transition-colors">
                            تحويل Currency
                        </button>
                    </form>
                    
                    <!-- Quick Convert Section -->
                    <div class="mt-8">
                        <h3 class="text-lg font-semibold mb-4 text-gray-700">Quick تحويل</h3>
                        <div class="grid grid-cols-2 gap-3">
                            <button type="button" class="quick-convert-btn p-3 border border-gray-300 rounded-lg hover:bg-gray-50 text-sm" data-from="usd" data-to="eur">
                                <div class="font-semibold">USD → EUR</div>
                                <div class="text-xs text-gray-500">Dollar to Euro</div>
                            </button>
                            <button type="button" class="quick-convert-btn p-3 border border-gray-300 rounded-lg hover:bg-gray-50 text-sm" data-from="eur" data-to="usd">
                                <div class="font-semibold">EUR → USD</div>
                                <div class="text-xs text-gray-500">Euro to Dollar</div>
                            </button>
                            <button type="button" class="quick-convert-btn p-3 border border-gray-300 rounded-lg hover:bg-gray-50 text-sm" data-from="usd" data-to="gbp">
                                <div class="font-semibold">USD → GBP</div>
                                <div class="text-xs text-gray-500">Dollar to Pound</div>
                            </button>
                            <button type="button" class="quick-convert-btn p-3 border border-gray-300 rounded-lg hover:bg-gray-50 text-sm" data-from="usd" data-to="jpy">
                                <div class="font-semibold">USD → JPY</div>
                                <div class="text-xs text-gray-500">Dollar to Yen</div>
                            </button>
                        </div>
                    </div>
                </div>
                
                <!-- Results -->
                <div>
                    <h2 class="text-xl font-semibold mb-6 text-gray-700">Conversion النتائج</h2>
                    <div id="results" class="space-y-4 hidden">
                        <div class="bg-green-50 p-4 rounded-lg">
                            <h3 class="font-semibold text-green-800 mb-2">تحويلed Amount</h3>
                            <div class="text-center">
                                <span id="converted-amount" class="text-2xl font-bold text-green-600"></span>
                            </div>
                        </div>
                        
                        <div class="bg-blue-50 p-4 rounded-lg">
                            <h3 class="font-semibold text-blue-800 mb-2">Exchange Rate</h3>
                            <div class="text-center">
                                <span id="exchange-rate" class="text-lg font-semibold text-blue-600"></span>
                            </div>
                            <div class="mt-2 text-sm text-blue-700" id="rate-info"></div>
                        </div>
                        
                        <div class="bg-gray-50 p-4 rounded-lg">
                            <h3 class="font-semibold text-gray-800 mb-2">Popular Rates (1 USD)</h3>
                            <div id="popular-rates" class="space-y-2 text-sm">
                                <!-- Popular rates will be populated by JavaScript -->
                            </div>
                        </div>
                    </div>
                    
                    <div id="no-results" class="text-center text-gray-500 py-8">
                        <i class="fa-solid fa-money-bill-transfer text-4xl mb-4 text-gray-300"></i>
                        <p>Select currencies and enter amount to convert</p>
                    </div>
                </div>
            </div>
        </div>
        
        <!-- Information Section -->
        <div class="mt-8 bg-white rounded-xl shadow-lg p-6">
            <h2 class="text-xl font-semibold mb-4 text-gray-800">About محول العملات</h2>
            <div class="prose text-gray-600">
                <p class="mb-4">
                    This currency converter provides real-time exchange rates for over 150+ currencies worldwide. 
                    Get accurate conversion results instantly for your financial calculations.
                </p>
                <h3 class="font-semibold text-gray-800 mb-2">Features:</h3>
                <ul class="list-disc list-inside space-y-1 text-sm">
                    <li><strong>Real-time Rates:</strong> Updated exchange rates from reliable sources</li>
                    <li><strong>150+ Currencies:</strong> Support for major and minor world currencies</li>
                    <li><strong>Quick تحويل:</strong> Predefined popular currency pairs</li>
                    <li><strong>Accurate النتائج:</strong> Precise calculations with up to 5 decimal places</li>
                </ul>
                <h3 class="font-semibold text-gray-800 mb-2 mt-4">Popular Currencies:</h3>
                <div class="grid grid-cols-2 md:grid-cols-4 gap-2 text-sm">
                    <div>USD - US Dollar</div>
                    <div>EUR - Euro</div>
                    <div>GBP - British Pound</div>
                    <div>JPY - Japanese Yen</div>
                    <div>CAD - Canadian Dollar</div>
                    <div>AUD - Australian Dollar</div>
                    <div>CHF - Swiss Franc</div>
                    <div>CNY - Chinese Yuan</div>
                </div>
                <h3 class="font-semibold text-gray-800 mb-2 mt-4">Note:</h3>
                <p class="text-sm">
                    Exchange rates are updated regularly but may have slight delays. For critical financial transactions, 
                    always verify rates with your bank or financial institution.
                </p>
            </div>
        </div>
    </div>
</div>

<script type="module">
    let rates = {};
    const popularCurrencies = ['eur', 'gbp', 'jpy', 'cad', 'aud', 'chf', 'cny', 'inr', 'brl', 'mxn'];

    const currencyForm = document.getElementById('currency-form');
    const fromCurrencySelect = document.getElementById('from-currency');
    const toCurrencySelect = document.getElementById('to-currency');
    const amountInput = document.getElementById('amount');
    const resultsDiv = document.getElementById('results');
    const noالنتائجDiv = document.getElementById('no-results');
    const convertedAmountSpan = document.getElementById('converted-amount');
    const exchangeRateSpan = document.getElementById('exchange-rate');
    const rateInfoSpan = document.getElementById('rate-info');
    const popularRatesDiv = document.getElementById('popular-rates');

    function populateCurrencyOptions(selectElement, data, selected) {
        selectElement.innerHTML = '';
        Object.keys(data).forEach(code => {
            const option = document.createElement('option');
            option.value = code;
            option.textContent = `${code.toUpperCase()} - ${data[code]}`;
            selectElement.appendChild(option);
            if (selected === code) {
                option.selected = true;
            }
        });
    }

    function displayPopularRates(usdRates) {
        popularRatesDiv.innerHTML = '';
        
        popularCurrencies.forEach(currency => {
            if (usdRates[currency]) {
                const rate = usdRates[currency];
                const currencyName = rates[currency] || currency.toUpperCase();
                
                const rateItem = document.createElement('div');
                rateItem.className = 'flex justify-between items-center py-1';
                rateItem.innerHTML = `
                    <span class="font-medium">${currency.toUpperCase()}</span>
                    <span class="text-green-600 font-semibold">${rate.toFixed(4)}</span>
                `;
                popularRatesDiv.appendChild(rateItem);
            }
        });
    }

    function updateالنتائج(fromCurrency, toCurrency, amount, convertedAmount, exchangeRate) {
        convertedAmountSpan.textContent = `${convertedAmount.toFixed(2)} ${toCurrency.toUpperCase()}`;
        exchangeRateSpan.textContent = `1 ${fromCurrency.toUpperCase()} = ${exchangeRate.toFixed(4)} ${toCurrency.toUpperCase()}`;
        rateInfoSpan.textContent = `Last updated: ${new Date().toLocaleTimeString()}`;
        
        resultsDiv.classList.remove('hidden');
        noResultsDiv.classList.add('hidden');
    }

    function performConversion(fromCurrency, toCurrency, amount) {
        if (isNaN(amount) || amount <= 0) {
            alert("Please enter a valid amount.");
            return;
        }

        if (!rates[fromCurrency] || !rates[toCurrency]) {
            alert("Invalid currency selection.");
            return;
        }

        fetch(`/api/get-currency-exchange?currency=${fromCurrency}`)
            .then(response => response.json())
            .then(data => {
                if (data && data.rate && data.rate[fromCurrency]) {
                    const exchangeRate = data.rate[fromCurrency][toCurrency];
                    let convertedAmount = 0;

                    if (fromCurrency === toCurrency) {
                        convertedAmount = amount;
                    } else {
                        convertedAmount = amount * exchangeRate;
                    }

                    updateالنتائج(fromCurrency, toCurrency, amount, convertedAmount, exchangeRate);
                } else {
                    console.error('Failed to fetch currency rates:', data.error);
                    alert('Failed to fetch exchange rates. Please try again.');
                }
            })
            .catch(error => {
                console.error('Error fetching currency rates:', error);
                alert('Error fetching exchange rates. Please try again.');
            });
    }

    document.addEventListener("DOMContentLoaded", () => {
        // Fetch currency data
        fetch('/api/get-currencies')
            .then(response => response.json())
            .then(data => {
                if (data.rate) {
                    Object.assign(rates, data.rate);
                    populateCurrencyOptions(fromCurrencySelect, rates, "usd");
                    populateCurrencyOptions(toCurrencySelect, rates, "eur");
                } else {
                    console.error('Failed to fetch currency rates:', data.error);
                }
            })
            .catch(error => console.error('Error fetching currency rates:', error));

        // Fetch and display popular currency rates
        fetch('/api/get-currency-exchange?currency=usd')
            .then(response => response.json())
            .then(data => {
                if (data && data.rate && data.rate.usd) {
                    displayPopularRates(data.rate.usd);
                }
            })
            .catch(error => console.error('Error fetching popular rates:', error));

        // Form submission
        currencyForm.addEventListener('submit', function (event) {
            event.preventDefault();
            
            const fromCurrency = fromCurrencySelect.value;
            const toCurrency = toCurrencySelect.value;
            const amount = parseFloat(amountInput.value);
            
            performConversion(fromCurrency, toCurrency, amount);
        });

        // Quick convert buttons
        document.querySelectorAll('.quick-convert-btn').forEach(btn => {
            btn.addEventListener('click', function() {
                const fromCurrency = this.dataset.from;
                const toCurrency = this.dataset.to;
                const amount = parseFloat(amountInput.value) || 1;
                
                fromCurrencySelect.value = fromCurrency;
                toCurrencySelect.value = toCurrency;
                
                performConversion(fromCurrency, toCurrency, amount);
            });
        });

        // Auto-convert on amount change
        amountInput.addEventListener('input', function() {
            const fromCurrency = fromCurrencySelect.value;
            const toCurrency = toCurrencySelect.value;
            const amount = parseFloat(this.value);
            
            if (amount > 0 && fromCurrency && toCurrency) {
                performConversion(fromCurrency, toCurrency, amount);
            }
        });

        // Auto-convert on currency change
        fromCurrencySelect.addEventListener('change', function() {
            const fromCurrency = this.value;
            const toCurrency = toCurrencySelect.value;
            const amount = parseFloat(amountInput.value);
            
            if (amount > 0 && fromCurrency && toCurrency) {
                performConversion(fromCurrency, toCurrency, amount);
            }
        });

        toCurrencySelect.addEventListener('change', function() {
            const fromCurrency = fromCurrencySelect.value;
            const toCurrency = this.value;
            const amount = parseFloat(amountInput.value);
            
            if (amount > 0 && fromCurrency && toCurrency) {
                performConversion(fromCurrency, toCurrency, amount);
            }
        });
    });
</script>

{{FOOTER}}