#ifndef __AMUSE_AUDIOGROUPSAMPLEDIR_HPP__
#define __AMUSE_AUDIOGROUPSAMPLEDIR_HPP__

#include <unordered_map>
#include <stdint.h>
#include "Common.hpp"

namespace amuse
{

/** Indexes individual samples in SAMP chunk */
class AudioGroupSampleDirectory
{
    friend class AudioGroup;

public:
    struct Entry
    {
        uint16_t m_sfxId;
        uint32_t m_sampleOff;
        uint32_t m_unk;
        uint8_t m_pitch;
        uint16_t m_sampleRate;
        uint32_t m_numSamples;
        uint32_t m_loopStartSample;
        uint32_t m_loopLengthSamples;
        uint32_t m_adpcmParmOffset;
        void swapBig();
    };
    union ADPCMParms {
        struct DSPParms
        {
            uint16_t m_bytesPerFrame;
            uint8_t m_ps;
            uint8_t m_lps;
            int16_t m_hist2;
            int16_t m_hist1;
            int16_t m_coefs[8][2];
        } dsp;
        struct VADPCMParms
        {
            int16_t m_coefs[8][2][8];
        } vadpcm;
        void swapBigDSP();
        void swapBigVADPCM();
    };

private:
    std::unordered_map<uint16_t, std::pair<Entry, ADPCMParms>> m_entries;

public:
    AudioGroupSampleDirectory(const unsigned char* data, GCNDataTag);
    AudioGroupSampleDirectory(const unsigned char* data, const unsigned char* sampData, bool absOffs, N64DataTag);
    AudioGroupSampleDirectory(const unsigned char* data, bool absOffs, PCDataTag);

    const std::unordered_map<uint16_t, std::pair<Entry, ADPCMParms>>& sampleEntries() const { return m_entries; }
};
}

#endif // __AMUSE_AUDIOGROUPSAMPLEDIR_HPP__