import { Router, Request, Response, NextFunction } from 'express';
import { TurboGateway } from '../../core/gateway/TurboGateway';
import { requireTraceContext } from '../../core/guards/trace-context.guard';
import { requirePermission } from '../../core/guards/rbac.guard';
import { ProductController } from '../controllers/ProductController';
import { z } from 'zod';

// 验证模式
const productIdSchema = z.string().min(1, 'Product ID is required');
const batchOperationSchema = z.object({
  operation: z.string().min(1, 'Operation is required'),
  productIds: z.array(z.string().min(1, 'Product ID is required')),
  data: z.record(z.string(), z.any()).optional()
});
const platformMappingSchema = z.object({
  productId: z.string().min(1, 'Product ID is required'),
  platform: z.string().min(1, 'Platform is required'),
  platformProductId: z.string().min(1, 'Platform product ID is required'),
  mappingData: z.record(z.string(), z.any()).optional()
});

// 验证中间件
const validateBody = (schema: z.ZodObject<any>) => {
  return (req: Request, res: Response, next: NextFunction) => {
    try {
      schema.parse(req.body);
      next();
    } catch (error: unknown) {
      const errorMessage = error instanceof Error ? error.message : String(error);
      res.status(400).json({ error: errorMessage });
    }
  };
};

const validateParam = (paramName: string, schema: z.ZodString) => {
  return (req: Request, res: Response, next: NextFunction) => {
    try {
      schema.parse(req.params[paramName]);
      next();
    } catch (error: unknown) {
      const errorMessage = error instanceof Error ? error.message : String(error);
      res.status(400).json({ error: errorMessage });
    }
  };
};

const router = Router();

// Standard CRUD
router.get('/', TurboGateway.cache(300), ProductController.getAll);

// Enhanced Crawlful AI functions
router.post('/autonomous-listing', requireTraceContext, ProductController.startAutonomousListing);
router.post('/collect-async', requireTraceContext, ProductController.collectAsync);
router.get('/collect-and-optimize', TurboGateway.throttle(10, 60000), ProductController.collectAndOptimize);
router.get('/:id/arbitrage-analyze', requireTraceContext, ProductController.analyzeArbitrage);
router.get('/visual-match', TurboGateway.cache(600), ProductController.findSimilar);
router.post('/:id/review', requireTraceContext, requirePermission('product:write'), ProductController.approve);
router.post('/:id/pulse', requireTraceContext, ProductController.checkPulse);
router.post('/:id/wash', requireTraceContext, requirePermission('product:write'), ProductController.washAndLocalize);
router.post('/:id/inquiry', requireTraceContext, requirePermission('product:write'), ProductController.generateInquiry);
router.get('/:id/price-advice', ProductController.getPriceAdvice);
router.get('/:id', TurboGateway.cache(300), ProductController.getById);
router.post('/', requireTraceContext, requirePermission('product:write'), ProductController.create);
router.put('/:id', requireTraceContext, requirePermission('product:write'), ProductController.update);
router.delete('/:id', requireTraceContext, requirePermission('product:delete'), ProductController.delete);

// [BE-P006] Multi-platform product mapping
router.post('/platform-mapping', requireTraceContext, requirePermission('product:write'), ProductController.createPlatformMapping);
router.get('/:productId/platform-mappings', requireTraceContext, ProductController.getPlatformMappings);

// [BE-P007] Batch operations
router.post('/batch', requireTraceContext, requirePermission('product:write'), ProductController.batchOperation);

// [BE-P008] Cross-platform inventory sync
router.post('/:productId/sync-inventory', requireTraceContext, requirePermission('product:write'), ProductController.syncInventory);
router.get('/:productId/sync-status', requireTraceContext, ProductController.getSyncStatus);

// [BE-P101] Product Collection APIs
router.post('/collection-tasks', requireTraceContext, requirePermission('product:write'), ProductController.createCollectionTask);
router.get('/collection-tasks', requireTraceContext, ProductController.getCollectionTasks);
router.post('/collection-tasks/batch', requireTraceContext, requirePermission('product:write'), ProductController.batchCreateCollectionTasks);
router.post('/collection-tasks/:taskId/execute', requireTraceContext, requirePermission('product:write'), ProductController.executeCollectionTask);
router.post('/collection-tasks/:taskId/retry', requireTraceContext, requirePermission('product:write'), ProductController.retryCollectionTask);

export default router;