#pragma once
#include "../io/file_hash.h"
#include "../../common/include/thread_pool.h"
#include <stddef.h>
#include <stdint.h>

// Parallel directory hashing with combined result
struct ParallelHasher {
    ThreadPool* pool;
    size_t buffer_size;
};

// Initialize parallel hasher
// Returns false on error
int parallel_hasher_init(ParallelHasher* hasher, uint32_t num_threads, size_t buffer_size);

// Cleanup
void parallel_hasher_cleanup(ParallelHasher* hasher);

// Hash directory - writes combined hash to out_hash (65 bytes)
int parallel_hash_directory(ParallelHasher* hasher, const char* path, char* out_hash);

// Hash directory with individual file results
// out_hashes: pre-allocated array of 65-char buffers
// out_paths: optional array of path buffers
// out_count: actual number of files hashed
int parallel_hash_directory_batch(
    ParallelHasher* hasher,
    const char* path,
    char** out_hashes,
    char** out_paths,
    uint32_t max_results,
    uint32_t* out_count
);