#include "../include/odhtdb/InfoHash.hpp"
#include <sodium/crypto_generichash_blake2b.h>
#include <sodium/core.h>
#include <algorithm>

namespace odhtdb
{
    InfoHash::InfoHash()
    {

    }

    InfoHash::InfoHash(const u8 *data, const size_t size) : 
        key(data, size)
    {
        
    }

    InfoHash InfoHash::generateHash(const u8 *data, const size_t size)
    {
        InfoHash infoHash;
        int result = crypto_generichash_blake2b((unsigned char*)&infoHash.key.data[0], infoHash.key.data.size(), (const unsigned char*)data, size, nullptr, 0);
        if(result < 0)
            throw InfoHashException("Failed to hash data using blake2b");
        return infoHash;
    }

    bool InfoHash::operator == (const InfoHash &other) const
    {
        return key == other.key;
    }

    bool InfoHash::operator != (const InfoHash &other) const
    {
        return !(*this == other);
    }
}