/**
 * POST /update endpoint - Update a feature
 */

import type { Request, Response } from 'express';
import { FeatureLoader } from '../../../services/feature-loader.js';
import type { Feature } from '@automaker/types';
import { getErrorMessage, logError } from '../common.js';

export function createUpdateHandler(featureLoader: FeatureLoader) {
  return async (req: Request, res: Response): Promise<void> => {
    try {
      const { projectPath, featureId, updates, descriptionHistorySource, enhancementMode } =
        req.body as {
          projectPath: string;
          featureId: string;
          updates: Partial<Feature>;
          descriptionHistorySource?: 'enhance' | 'edit';
          enhancementMode?: 'improve' | 'technical' | 'simplify' | 'acceptance' | 'ux-reviewer';
        };

      if (!projectPath || !featureId || !updates) {
        res.status(400).json({
          success: false,
          error: 'projectPath, featureId, and updates are required',
        });
        return;
      }

      const updated = await featureLoader.update(
        projectPath,
        featureId,
        updates,
        descriptionHistorySource,
        enhancementMode
      );
      res.json({ success: true, feature: updated });
    } catch (error) {
      logError(error, 'Update feature failed');
      res.status(500).json({ success: false, error: getErrorMessage(error) });
    }
  };
}