// BP_WB - BOSA Plugin Website Builder
// Main entry point for Node.js runtime

import { BOSA } from 'bosa-sdk-node';
import express from 'express';
import path from 'path';
import { fileURLToPath } from 'url';

const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);

// Initialize BOSA SDK
const bosa = new BOSA({
  kernelURL: process.env.BOSA_KERNEL_URL || 'http://localhost:3000',
  pluginName: process.env.PLUGIN_NAME || 'bp_wb',
  pluginToken: process.env.BOSA_KERNEL_TOKEN,
});

// Initialize Express app
const app = express();
const port = process.env.PLUGIN_PORT || 3001;

// Middleware
app.use(express.json());
app.use(express.static(path.join(__dirname, 'dist')));

// Health check endpoint
app.get('/health', (req, res) => {
  res.json({ status: 'ok', plugin: 'bp_wb' });
});

// Route handlers (to be implemented in backend/api/)
app.get('/', serveEditor);
app.get('/editor', serveEditor);
app.get('/api/pages', listPages);
app.post('/api/pages', createPage);
app.get('/api/pages/:id', getPage);
app.put('/api/pages/:id', updatePage);
app.delete('/api/pages/:id', deletePage);
app.get('/preview/:id', previewPage);

// Placeholder route handlers (to be implemented in Phase 1)
async function serveEditor(req, res) {
  res.sendFile(path.join(__dirname, 'dist', 'index.html'));
}

async function listPages(req, res) {
  try {
    // TODO: Implement in WB-006
    res.json({ pages: [] });
  } catch (error) {
    bosa.log.error(`ListPages failed | Error: ${error.message}`);
    res.status(500).json({ error: 'Internal server error' });
  }
}

async function createPage(req, res) {
  try {
    // TODO: Implement in WB-006
    res.status(501).json({ error: 'Not implemented yet' });
  } catch (error) {
    bosa.log.error(`CreatePage failed | Error: ${error.message}`);
    res.status(500).json({ error: 'Internal server error' });
  }
}

async function getPage(req, res) {
  try {
    // TODO: Implement in WB-006
    res.status(501).json({ error: 'Not implemented yet' });
  } catch (error) {
    bosa.log.error(`GetPage failed | Page ID: ${req.params.id} | Error: ${error.message}`);
    res.status(500).json({ error: 'Internal server error' });
  }
}

async function updatePage(req, res) {
  try {
    // TODO: Implement in WB-006
    res.status(501).json({ error: 'Not implemented yet' });
  } catch (error) {
    bosa.log.error(`UpdatePage failed | Page ID: ${req.params.id} | Error: ${error.message}`);
    res.status(500).json({ error: 'Internal server error' });
  }
}

async function deletePage(req, res) {
  try {
    // TODO: Implement in WB-006
    res.status(501).json({ error: 'Not implemented yet' });
  } catch (error) {
    bosa.log.error(`DeletePage failed | Page ID: ${req.params.id} | Error: ${error.message}`);
    res.status(500).json({ error: 'Internal server error' });
  }
}

async function previewPage(req, res) {
  try {
    // TODO: Implement in WB-007
    res.status(501).json({ error: 'Not implemented yet' });
  } catch (error) {
    bosa.log.error(`PreviewPage failed | Page ID: ${req.params.id} | Error: ${error.message}`);
    res.status(500).json({ error: 'Internal server error' });
  }
}

// Initialize BOSA and start server
async function init() {
  try {
    await bosa.init();
    bosa.log.info('BP_WB plugin initialized successfully');
    
    app.listen(port, () => {
      bosa.log.info(`BP_WB plugin server running on port ${port}`);
    });
  } catch (error) {
    console.error('Failed to initialize BP_WB plugin:', error);
    process.exit(1);
  }
}

init();