// Advanced Features Manager - Video highlights generation
import type { HighlightResult } from '../types/index.js';
import { TranscriptManager } from './TranscriptManager.js';
import { AIAnalyzer } from './AIAnalyzer.js';
import { DataManager } from './DataManager.js';
import { wrapError } from '../utils/index.js';
/**
* Advanced Features Manager
* Handles complex operations that combine multiple managers
*/
export class AdvancedFeaturesManager {
constructor(
private transcriptManager?: TranscriptManager,
private aiAnalyzer?: AIAnalyzer,
private dataManager?: DataManager
) { }
/**
* Generate video highlights using AI
* Analyzes video content and extracts significant moments
*/
async generateHighlights(url: string, count: number = 7): Promise<HighlightResult[]> {
try {
if (!this.transcriptManager || !this.aiAnalyzer || !this.dataManager) {
throw new Error('Required managers must be injected for highlight generation');
}
// Get video info and transcript
const videoInfo = await this.dataManager.getVideoInfo(url);
const transcriptResult = await this.transcriptManager.getTranscript(url);
// Parse duration to seconds
const parts = videoInfo.duration.split(':').map(Number);
let videoDurationSeconds = 0;
if (parts.length === 3) {
videoDurationSeconds = parts[0] * 3600 + parts[1] * 60 + parts[2];
} else if (parts.length === 2) {
videoDurationSeconds = parts[0] * 60 + parts[1];
} else {
videoDurationSeconds = parts[0];
}
// Use AI to identify significant moments from transcript
const aiHighlights = await this.aiAnalyzer.generateHighlights(
transcriptResult.transcript,
videoDurationSeconds,
videoInfo.title,
count
);
// Convert to HighlightResult format
const highlights: HighlightResult[] = aiHighlights.map((h) => ({
timestamp: h.timestamp,
duration: h.duration,
clipPath: '', // No download, just timestamp info
description: h.description,
reason: h.reason,
score: h.score,
}));
return highlights;
} catch (error) {
throw wrapError(error);
}
}
}
// Singleton will be created after all managers are initialized
export let advancedFeaturesManager: AdvancedFeaturesManager;
