import dotenv from 'dotenv';
import express from 'express';
import path from 'path';
import fs from 'fs';
import { fileURLToPath } from 'url';
import cors from 'cors';
import { dbReady } from './db/index.js';

const __dirname = path.dirname(fileURLToPath(import.meta.url));
dotenv.config({ path: path.join(__dirname, '.env') });
import { getProducts } from './routes/products.js';
import { getBlockTypes } from './routes/blockTypes.js';
import { getFinishes } from './routes/finishes.js';
import { getServiceOptions } from './routes/serviceOptions.js';
import { getSettings } from './routes/settings.js';
import { postPrice } from './routes/price.js';
import { getOrders, postOrder } from './routes/orders.js';
import { 
  triggerFormexSync, 
  streamFormexSync,
  getLogs, 
  getStatus, 
  getFormexMaterials,
  getFormexMaterial,
  createFormexMaterial,
  updateFormexMaterial,
  deleteFormexMaterial,
  getFormexCollections,
  getFormexCategories
} from './routes/sync.js';
import { 
  uploadMiddleware, 
  analyzeRoom, 
  saveRoomConfig, 
  getRoomConfig,
  checkApiStatus 
} from './routes/room.js';
import {
  optimizeLayoutRoute,
  quickOptimizeRoute,
  suggestLayoutRoute
} from './routes/layout.js';
import {
  getModules,
  getModule,
  getModuleCategories,
  getHardware,
  getHardwareTypes,
  getHandles,
  getHinges
} from './routes/modules.js';
import {
  generatePlansRoute,
  generateCuttingListRoute,
  exportCuttingListText,
  exportPDFHtml
} from './routes/plans.js';
import {
  designTipsRoute,
  recommendMaterialsRoute,
  renderRoute
} from './routes/ai.js';
import { initScheduler } from './services/scheduler.js';

const clientDist = path.join(__dirname, '..', 'client', 'dist');
const hasClientBuild = fs.existsSync(clientDist);

const app = express();
const PORT = process.env.PORT || 3001;

app.use(cors({ origin: true }));
app.use(express.json());

app.get('/api/products', getProducts);
app.get('/api/block-types', getBlockTypes);
app.get('/api/finishes', getFinishes);
app.get('/api/service-options', getServiceOptions);
app.get('/api/settings', getSettings);
app.post('/api/price', postPrice);
app.get('/api/orders', getOrders);
app.post('/api/orders', postOrder);

// Sync routes (Formex crawler)
app.post('/api/sync/formex', triggerFormexSync);
app.get('/api/sync/formex/stream', streamFormexSync);
app.get('/api/sync/logs', getLogs);
app.get('/api/sync/status', getStatus);

// Formex materials CRUD
app.get('/api/formex/materials', getFormexMaterials);
app.get('/api/formex/materials/:id', getFormexMaterial);
app.post('/api/formex/materials', createFormexMaterial);
app.put('/api/formex/materials/:id', updateFormexMaterial);
app.delete('/api/formex/materials/:id', deleteFormexMaterial);
app.get('/api/formex/collections', getFormexCollections);
app.get('/api/formex/categories', getFormexCategories);

// Room analysis routes (AI-powered)
app.post('/api/room/analyze', uploadMiddleware, analyzeRoom);
app.post('/api/room/save', saveRoomConfig);
app.get('/api/room/config/:orderId', getRoomConfig);
app.get('/api/room/status', checkApiStatus);

// Layout optimization routes (AI-powered)
app.post('/api/layout/optimize', optimizeLayoutRoute);
app.post('/api/layout/quick-optimize', quickOptimizeRoute);
app.get('/api/layout/suggest', suggestLayoutRoute);

// Modules catalog routes
app.get('/api/modules', getModules);
app.get('/api/modules/categories', getModuleCategories);
app.get('/api/modules/:id', getModule);

// Hardware routes
app.get('/api/hardware', getHardware);
app.get('/api/hardware/types', getHardwareTypes);
app.get('/api/handles', getHandles);
app.get('/api/hinges', getHinges);

// AI design assistant routes
app.post('/api/ai/design-tips', designTipsRoute);
app.post('/api/ai/recommend-materials', recommendMaterialsRoute);
app.post('/api/ai/render', renderRoute);

// Plans and cutting list routes
app.post('/api/plans/generate', generatePlansRoute);
app.post('/api/plans/cutting-list', generateCuttingListRoute);
app.post('/api/plans/export-text', exportCuttingListText);
app.post('/api/plans/export-pdf', exportPDFHtml);

if (hasClientBuild) {
  app.use(express.static(clientDist));
  app.get('*', (req, res) => {
    res.sendFile(path.join(clientDist, 'index.html'));
  });
} else {
  app.get('/', (req, res) => {
    res.send(`
      <!DOCTYPE html>
      <html><head><meta charset="utf-8"><title>Configurateur</title></head>
      <body style="font-family:sans-serif;padding:2rem;">
        <h1>Application non construite</h1>
        <p>Depuis la racine du projet, exécutez&nbsp;:</p>
        <pre>npm run build</pre>
        <p>Puis rechargez cette page. Ou lancez le client en mode dev&nbsp;:</p>
        <pre>npm run client</pre>
        <p>et ouvrez <a href="http://localhost:5173">http://localhost:5173</a>.</p>
      </body></html>
    `);
  });
}

await dbReady;

// Initialize the scheduler for automated sync
initScheduler();

app.listen(PORT, () => {
  console.log(`API configurateur armoires — http://localhost:${PORT}`);
  if (!hasClientBuild) {
    console.log('(Exécutez "npm run build" pour servir l\'app sur ce port)');
  }
});