/**
 * @fileoverview Semantic chunking integration with robust fallback
 *
 * This module provides a seamless integration layer that attempts semantic
 * chunking first, then gracefully falls back to the existing TokenAnalyzer
 * approach when semantic analysis fails or is not available.
 */
import { SemanticAnalysisConfig } from './types';
import { ChunkGeneratorConfig } from './ChunkGenerator';
import { SemanticAnalysis, CodeChunk } from './types';
import { FileInfo } from '../../types/review';
/**
 * Simple line-based chunking result for fallback
 */
interface LineBasedChunkingResult {
    totalFiles: number;
    estimatedTotalTokens: number;
    chunks: Array<{
        estimatedTokenCount: number;
        priority: string;
        startLine: number;
        endLine: number;
    }>;
}
/**
 * Configuration for the integrated chunking system
 */
export interface ChunkingIntegrationConfig {
    /** Whether to enable semantic chunking */
    enableSemanticChunking: boolean;
    /** Whether to enable fallback to TokenAnalyzer */
    enableFallback: boolean;
    /** Languages to force semantic analysis for */
    forceSemantic: string[];
    /** Languages to force traditional analysis for */
    forceTraditional: string[];
    /** Whether to prefer semantic for supported languages */
    preferSemantic: boolean;
    /** Performance threshold - max file size for semantic analysis (bytes) */
    maxFileSizeForSemantic: number;
    /** Whether to cache analysis results */
    enableCaching: boolean;
    /** Maximum tokens per consolidated batch */
    maxTokensPerBatch: number;
    /** Minimum threads per batch before consolidation */
    minThreadsPerBatch: number;
    /** Maximum threads per batch */
    maxThreadsPerBatch: number;
    /** Semantic analysis system configuration */
    semanticConfig?: {
        analyzer?: Partial<SemanticAnalysisConfig>;
        chunkGenerator?: Partial<ChunkGeneratorConfig>;
    };
}
/**
 * System statistics interface
 */
interface SystemStats {
    config: ChunkingIntegrationConfig;
    supportedLanguages: string[];
    cacheSize: number;
    semanticSystemStats: {
        size: number;
        enabled: boolean;
    };
}
/**
 * Result of integrated chunking analysis
 */
export interface IntegratedChunkingResult {
    /** Generated chunks */
    chunks: CodeChunk[];
    /** Analysis method used */
    method: 'semantic' | 'traditional' | 'hybrid';
    /** Whether fallback was used */
    fallbackUsed: boolean;
    /** Semantic analysis result (if available) */
    semanticAnalysis?: SemanticAnalysis;
    /** Line-based chunking result (if used) */
    lineBasedResult?: LineBasedChunkingResult;
    /** Errors encountered */
    errors: string[];
    /** Performance metrics */
    metrics: {
        analysisTimeMs: number;
        chunkingTimeMs: number;
        totalTokens: number;
        chunksGenerated: number;
    };
    /** Reasoning for the chunking approach used */
    reasoning: string;
}
/**
 * Integrated semantic chunking system with robust fallback
 */
export declare class SemanticChunkingIntegration {
    private config;
    private semanticAnalyzer;
    private chunkGenerator;
    private cache;
    constructor(config?: Partial<ChunkingIntegrationConfig>);
    /**
     * Check if a file can be analyzed semantically
     */
    private canAnalyzeFile;
    /**
     * Detect language from file path
     */
    private detectLanguageFromPath;
    /**
     * Check if a language is supported for semantic analysis
     */
    private isLanguageSupported;
    /**
     * Consolidate semantic threads into efficient batches
     */
    private consolidateSemanticThreads;
    /**
     * Group chunks by semantic affinity (related code structures)
     */
    private groupChunksByAffinity;
    /**
     * Create batches from a group of related chunks
     */
    private createBatchesFromGroup;
    /**
     * Merge multiple chunks into a single consolidated batch
     */
    private mergeBatchChunks;
    /**
     * Analyze files and generate optimal chunks with fallback
     */
    analyzeAndChunk(files: FileInfo[], options?: {
        reviewType?: string;
        modelName?: string;
        forceSemantic?: boolean;
        forceTraditional?: boolean;
        useCache?: boolean;
    }): Promise<IntegratedChunkingResult>;
    /**
     * Determine the best chunking strategy for the given files
     */
    private determineChunkingStrategy;
    /**
     * Attempt semantic chunking for files
     */
    private attemptSemanticChunking;
    /**
     * Perform traditional TokenAnalyzer-based chunking
     */
    private performTraditionalChunking;
    /**
     * Get review focus for traditional chunking based on review type
     */
    private getTraditionalReviewFocus;
    /**
     * Sanitize file name for use in chunk IDs
     */
    private sanitizeFileName;
    /**
     * Generate cache key for analysis results
     */
    private generateCacheKey;
    /**
     * Simple hash function for cache keys
     */
    private simpleHash;
    /**
     * Check if semantic chunking is available for files
     */
    canUseSemanticChunking(files: FileInfo[]): boolean;
    /**
     * Get system statistics
     */
    getStats(): SystemStats;
    /**
     * Clear all caches
     */
    clearCache(): void;
    /**
     * Update configuration
     */
    updateConfig(config: Partial<ChunkingIntegrationConfig>): void;
    /**
     * Get current configuration
     */
    getConfig(): ChunkingIntegrationConfig;
}
/**
 * Default integration instance
 */
export declare const semanticChunkingIntegration: SemanticChunkingIntegration;
/**
 * Convenience function for integrated chunking with fallback
 */
export declare function analyzeAndChunkWithFallback(files: FileInfo[], options?: {
    reviewType?: string;
    modelName?: string;
    forceSemantic?: boolean;
    forceTraditional?: boolean;
    useCache?: boolean;
}): Promise<IntegratedChunkingResult>;
/**
 * Convenience function to check semantic chunking availability
 */
export declare function isSemanticChunkingAvailable(files: FileInfo[]): boolean;
export {};