import { MeiliSearch } from 'meilisearch'

class MeilisearchService {
  private client: MeiliSearch;

  constructor() {
    this.client = new MeiliSearch({
      host: 'http://localhost:7700',
    });
    this.createIndex('files'); // Ensure the index exists
  }

  // Implement methods for adding, removing, and updating documents and collections
  // using the Meilisearch API.
  public async addDocuments(indexName: string, documents: any[]): Promise<void> {
    try {
      const index = this.client.index(indexName)
      await index.addDocuments(documents)
      console.log(`Added ${documents.length} documents to index ${indexName}`);
    } catch (error) {
      console.error(`Failed to add documents to index ${indexName}:`, error);
      throw error;
    }
  }

  public async removeDocuments(indexName: string, documentIds: string[]): Promise<void> {
    try {
      const index = this.client.index(indexName)
      await index.deleteDocuments(documentIds)
      console.log(`Removed documents with IDs ${documentIds.join(',')} from index ${indexName}`);
    } catch (error) {
      console.error(`Failed to remove documents from index ${indexName}:`, error);
      throw error;
    }
  }

  public async updateDocuments(indexName: string, documents: any[]): Promise<void> {
   try {
      const index = this.client.index(indexName)
      await index.updateDocuments(documents)
      console.log(`Updated ${documents.length} documents in index ${indexName}`);
    } catch (error) {
      console.error(`Failed to update documents in index ${indexName}:`, error);
      throw error;
    }
  }

  public async deleteIndex(indexName: string): Promise<void> {
    try {
      await this.client.deleteIndex(indexName);
      console.log(`Deleted index ${indexName}`);
    } catch (error) {
      console.error(`Failed to delete index ${indexName}:`, error);
      throw error;
    }
  }

  public async createIndex(indexName: string): Promise<void> {
    try {
      await this.client.createIndex(indexName);
      console.log(`Created index ${indexName}`);
    } catch (error) {
      console.error(`Failed to create index ${indexName}:`, error);
      throw error;
    }
  }

  public async getDocuments(indexName: string): Promise<any[]> {
    try {
      const index = this.client.index(indexName);
      const { hits } = await index.search(''); // Empty search to get all documents
      return hits;
    } catch (error) {
      console.error(`Failed to get documents from index ${indexName}:`, error);
      throw error;
    }
  }

  public async search(indexName: string, query: string): Promise<any[]> {
    try {
      const index = this.client.index(indexName);
      const { hits } = await index.search(query);
      return hits;
    } catch (error) {
      console.error(`Failed to search index ${indexName} with query ${query}:`, error);
      throw error;
    }
  }
}

export default MeilisearchService;