#pragma once

#include <cstdint>
#include <memory>

namespace tc::audio {
#ifdef WIN32
    #pragma pack(push,1)
    #define __attribute__packed_1
#else
    #define __attribute__packed_1 __attribute__((packed, aligned(1)))
#endif
    /* Every sample is a float (4byte) */
    struct __attribute__packed_1 SampleBuffer {
        static constexpr size_t HEAD_LENGTH = 4;

        uint16_t sample_size;
        uint16_t sample_index;

        char sample_data[
#ifndef WIN32
                0
#else
                1 /* windows does not allow zero sized arrays */
#endif
        ];

        static std::shared_ptr<SampleBuffer> allocate(uint8_t /* channels */, uint16_t /* samples */);
    };

#ifndef WIN32
    static_assert(sizeof(SampleBuffer) == 4, "Invalid SampleBuffer packaging!");
#else
    #pragma pack(pop)
    static_assert(sizeof(SampleBuffer) == 5, "Invalid SampleBuffer packaging!");
#endif
}