import { Module } from '@nestjs/common';
import { ElasticsearchModule } from '@nestjs/elasticsearch';
import { SearchService } from './search.service';

@Module({
  imports: [
    ElasticsearchModule.register({
      node: 'http://localhost:9200',
    }),
  ],
  providers: [SearchService],
  exports: [SearchService],
})
export class SearchModule {}

import { Injectable } from '@nestjs/common';
import { ElasticsearchService } from '@nestjs/elasticsearch';

@Injectable()
export class SearchService {
  constructor(private readonly elasticsearchService: ElasticsearchService) {}

  async indexPost(post: any) {
    return this.elasticsearchService.index({
      index: 'posts',
      document: {
        id: post.id,
        title: post.title,
        content: post.content,
      },
    });
  }

  async searchPosts(text: string) {
    const result = await this.elasticsearchService.search({
      index: 'posts',
      query: {
        multi_match: {
          query: text,
          fields: ['title', 'content'],
        },
      },
    });
    
    return result.hits.hits.map((hit: any) => hit._source);
  }
}