import { openai } from '@ai-sdk/openai';
import { generateObject, embed } from 'ai';
import { z } from 'zod';
import { AIProvider, TagSuggestion } from '../types';

export class OpenAIProvider implements AIProvider {
  private model: any;

  constructor(apiKey: string, modelName: string = 'gpt-4o-mini') {
    this.model = openai(modelName);
  }

  async generateTags(content: string): Promise<TagSuggestion[]> {
    try {
      const { object } = await generateObject({
        model: this.model,
        schema: z.object({
          tags: z.array(z.object({
            tag: z.string().describe('Le nom du tag, court et en minuscules'),
            confidence: z.number().min(0).max(1).describe('Le niveau de confiance entre 0 et 1')
          }))
        }),
        prompt: `Analyse la note suivante et suggère entre 1 et 5 tags pertinents. 
        Contenu de la note: "${content}"`,
      });

      return object.tags;
    } catch (e) {
      console.error('Erreur génération tags OpenAI:', e);
      return [];
    }
  }

  async getEmbeddings(text: string): Promise<number[]> {
    try {
      const { embedding } = await embed({
        model: openai.embedding('text-embedding-3-small'),
        value: text,
      });
      return embedding;
    } catch (e) {
      console.error('Erreur embeddings OpenAI:', e);
      return [];
    }
  }
}