// Popup script for Cortex browser extension

const CORTEX_API = 'http://localhost:3100/api';

// DOM elements
const titleInput = document.getElementById('title');
const kindSelect = document.getElementById('kind');
const tagsInput = document.getElementById('tags');
const includeContent = document.getElementById('includeContent');
const selectionOnly = document.getElementById('selectionOnly');
const saveButton = document.getElementById('save');
const cancelButton = document.getElementById('cancel');
const statusDiv = document.getElementById('status');

let pageData = null;

// Initialize popup
async function init() {
  try {
    // Get current tab
    const [tab] = await chrome.tabs.query({ active: true, currentWindow: true });

    // Request content from content script
    const response = await chrome.tabs.sendMessage(tab.id, { action: 'extract' });
    pageData = response;

    // Pre-fill form
    titleInput.value = response.title || tab.title || '';

    // Suggest tags based on URL
    const url = new URL(tab.url);
    const suggestedTags = ['web-clip'];
    if (url.hostname.includes('github')) suggestedTags.push('github');
    if (url.hostname.includes('docs')) suggestedTags.push('documentation');
    if (url.hostname.includes('stackoverflow')) suggestedTags.push('stackoverflow');
    tagsInput.value = suggestedTags.join(', ');

    // Enable selection only if there's selected text
    if (response.selection) {
      selectionOnly.disabled = false;
    } else {
      selectionOnly.disabled = true;
    }

  } catch (err) {
    showStatus('Could not extract page content', 'error');
    console.error('Init error:', err);
  }
}

// Save to Cortex
async function save() {
  saveButton.disabled = true;
  saveButton.textContent = 'Saving...';

  try {
    const content = selectionOnly.checked
      ? pageData?.selection
      : (includeContent.checked ? pageData?.content : '');

    const tags = tagsInput.value
      .split(',')
      .map(t => t.trim())
      .filter(t => t.length > 0);

    const [tab] = await chrome.tabs.query({ active: true, currentWindow: true });

    const response = await fetch(`${CORTEX_API}/nodes`, {
      method: 'POST',
      headers: {
        'Content-Type': 'application/json',
      },
      body: JSON.stringify({
        kind: kindSelect.value,
        title: titleInput.value,
        content: content,
        tags: tags,
        metadata: {
          source: {
            type: 'url',
            url: tab.url,
            savedAt: Date.now(),
          },
        },
      }),
    });

    if (!response.ok) {
      throw new Error(`HTTP ${response.status}`);
    }

    const node = await response.json();
    showStatus(`Saved! ID: ${node.id.slice(0, 8)}`, 'success');

    // Close popup after brief delay
    setTimeout(() => window.close(), 1500);

  } catch (err) {
    showStatus(`Failed to save: ${err.message}`, 'error');
    console.error('Save error:', err);

    // Check if Cortex server is running
    if (err.message.includes('fetch')) {
      showStatus('Is Cortex server running? (cortex serve)', 'error');
    }
  } finally {
    saveButton.disabled = false;
    saveButton.textContent = 'Save';
  }
}

// Show status message
function showStatus(message, type) {
  statusDiv.textContent = message;
  statusDiv.className = `status ${type}`;
}

// Event listeners
saveButton.addEventListener('click', save);
cancelButton.addEventListener('click', () => window.close());

// Toggle selection only checkbox when include content is unchecked
includeContent.addEventListener('change', () => {
  if (!includeContent.checked) {
    selectionOnly.checked = false;
  }
});

selectionOnly.addEventListener('change', () => {
  if (selectionOnly.checked) {
    includeContent.checked = true;
  }
});

// Initialize on load
init();