% layout 'default';
% stash title => 'Urupam - URL Shortener';
<main class="page">
    <form id="shorten-form">
        <div class="form-group">
            <input type="url" id="url" name="url" placeholder="https://example.com" required aria-label="URL to shorten">
        </div>
        <button type="submit" id="submit-btn">Shorten URL</button>
    </form>
    <div id="result" class="result"></div>
    <div class="brand-mark">urupam</div>
    <script>
        const form = document.getElementById('shorten-form');
        const urlInput = document.getElementById('url');
        const submitBtn = document.getElementById('submit-btn');
        const resultDiv = document.getElementById('result');

        form.addEventListener('submit', async (e) => {
            e.preventDefault();
            
            const url = urlInput.value.trim();
            if (!url) {
                showError('Please enter a URL');
                return;
            }

            submitBtn.disabled = true;
            submitBtn.textContent = 'Shortening...';
            hideResult();

            try {
                const response = await fetch('/api/v1/urls', {
                    method: 'POST',
                    headers: {
                        'Content-Type': 'application/json',
                    },
                    body: JSON.stringify({ url: url })
                });

                const contentType = response.headers.get('content-type') || '';
                let data = {};
                if (contentType.includes('application/json')) {
                    data = await response.json();
                } else {
                    const text = await response.text();
                    data = { error: text || 'Unexpected response' };
                }

                if (response.ok && data.success) {
                    showSuccess(data.short_url, data.original_url);
                    urlInput.value = '';
                } else {
                    const message = data.error || `Request failed (${response.status})`;
                    showError(message);
                }
            } catch (error) {
                showError('Network error: ' + error.message);
            } finally {
                submitBtn.disabled = false;
                submitBtn.textContent = 'Shorten URL';
            }
        });

        function showSuccess(shortUrl, originalUrl) {
            resultDiv.className = 'result success show';
            resultDiv.innerHTML = `
                <strong>Short URL created:</strong>
                <div class="short-url">
                    <a href="${shortUrl}" target="_blank">${shortUrl}</a>
                </div>
            `;
        }

        function showError(message) {
            resultDiv.className = 'result error show';
            resultDiv.innerHTML = `
                <strong>Error:</strong>
                <div class="error-message">${escapeHtml(message)}</div>
            `;
        }

        function hideResult() {
            resultDiv.className = 'result';
        }

        function escapeHtml(text) {
            const div = document.createElement('div');
            div.textContent = text;
            return div.innerHTML;
        }
    </script>
</main>