/***
    Copyright (C) 2021 J Reece Wilson (a/k/a "Reece"). All rights reserved.

    File: AuRandomDevice.hpp
    Date: 2021-9-3
    Author: Reece
***/
#pragma once

#include "AuWELL.hpp"
#include <Source/IO/Adapters/AuIOAdapterRandom.hpp>

namespace Aurora::RNG
{
    struct RandomDevice :
        IRandomDevice,
        IO::Adapters::RandomStreamReader
    {
        RandomDevice();
        RandomDevice(const RandomDef & def);

        void     Read(Memory::MemoryViewWrite view) override;

        AuString            NextString(AuUInt32 uLength, ERngStringCharacters type) override;
        void                NextString(char *pString, AuUInt32 uLength, ERngStringCharacters type) override;
        AuUInt8             NextByte() override;
        bool                NextBoolean() override;
        AuUInt32            NextU32() override;
        AuUInt64            NextU64() override;
        AuUInt64            NextU64Range(AuUInt64 uMin, AuUInt64 uMax) override;
        AuInt64             NextI64Range(AuInt64 iMin, AuInt64 iMax) override;
        AuVec2              NextVec2(AuVec2 boundA, AuVec2 boundB) override;
        AuVec2              NextVec2Sorted(AuVec2 min, AuVec2 max) override;
        AuVec3              NextVec3(AuVec3 boundA, AuVec3 boundB) override;
        AuVec3              NextVec3Sorted(AuVec3 min, AuVec3 max) override;
        AuVec4              NextVec4(AuVec4 boundA, AuVec4 boundB) override;
        AuVec4              NextVec4Sorted(AuVec4 min, AuVec4 max) override;
        AuInt32             NextI32Range(AuInt32 iMin, AuInt32 iMax) override;
        AuUInt32            NextU32Range(AuUInt32 uMin, AuUInt32 uMax) override;
        AuVecD2             NextVecD2(AuVecD2 boundA, AuVecD2 boundB) override;
        AuVecD2             NextVecD2Sorted(AuVecD2 min, AuVecD2 max) override;
        AuVecD3             NextVecD3(AuVecD3 boundA, AuVecD3 boundB) override;
        AuVecD3             NextVecD3Sorted(AuVecD3 min, AuVecD3 max) override;
        AuVecD4             NextVecD4(AuVecD4 boundA, AuVecD4 boundB) override;
        AuVecD4             NextVecD4Sorted(AuVecD4 min, AuVecD4 max) override;
        AuList<AuInt32>     NextArrayI32Range(AuUInt32 uCount, AuInt32 iMin, AuInt32 iMax) override;
        AuList<AuUInt32>    NextArrayU32Range(AuUInt32 uCount, AuUInt32 uMin, AuUInt32 uMax) override;
        AuList<AuInt64>     NextArrayI64Range(AuUInt32 uCount, AuInt64 uMin, AuInt64 uMax) override;
        AuList<AuUInt64>    NextArrayU64Range(AuUInt32 uCount, AuUInt64 uMin, AuUInt64 uMax) override;
        AuList<AuUInt32>    NextArrayU32Mask(AuUInt32 uCount, AuUInt32 uMask) override;
        AuList<AuUInt64>    NextArrayU64Mask(AuUInt32 uCount, AuUInt64 uMask) override;
        AuList<double>      NextArrayDoubleRange(AuUInt32 uCount, double dMin, double dMax) override;
        AuList<double>      NextArrayDoubleRangeFast(AuUInt32 uCount, double dMin, double dMax) override;
        AuList<AuInt32>     NextArrayI32(AuUInt32 uCount) override;
        AuList<AuUInt32>    NextArrayU32(AuUInt32 uCount) override;
        AuList<AuInt64>     NextArrayI64(AuUInt32 uCount) override;
        AuList<AuUInt64>    NextArrayU64(AuUInt32 uCount) override;
        AuList<AuVec2>      NextArrayVec2(AuUInt32 uCount, AuVec2 boundA, AuVec2 boundB) override;
        AuList<AuVec2>      NextArrayVec2Fast(AuUInt32 uCount, AuVec2 boundA, AuVec2 boundB) override;
        AuList<AuVec2>      NextArrayVec2Sorted(AuUInt32 uCount, AuVec2 min, AuVec2 max) override;
        AuList<AuVec2>      NextArrayVec2SortedFast(AuUInt32 uCount, AuVec2 min, AuVec2 max) override;
        AuList<AuVec3>      NextArrayVec3(AuUInt32 uCount, AuVec3 boundA, AuVec3 boundB) override;
        AuList<AuVec3>      NextArrayVec3Fast(AuUInt32 uCount, AuVec3 boundA, AuVec3 boundB) override;
        AuList<AuVec3>      NextArrayVec3Sorted(AuUInt32 uCount, AuVec3 min, AuVec3 max) override;
        AuList<AuVec3>      NextArrayVec3SortedFast(AuUInt32 uCount, AuVec3 min, AuVec3 max) override;
        AuList<AuVec4>      NextArrayVec4(AuUInt32 uCount, AuVec4 boundA, AuVec4 boundB) override;
        AuList<AuVec4>      NextArrayVec4Fast(AuUInt32 uCount, AuVec4 boundA, AuVec4 boundB) override;
        AuList<AuVec4>      NextArrayVec4Sorted(AuUInt32 uCount, AuVec4 min, AuVec4 max) override;
        AuList<AuVec4>      NextArrayVec4SortedFast(AuUInt32 uCount, AuVec4 min, AuVec4 max) override;
        AuList<AuVecD2>     NextArrayVecD2(AuUInt32 uCount, AuVecD2 boundA, AuVecD2 boundB) override;
        AuList<AuVecD2>     NextArrayVecD2Fast(AuUInt32 uCount, AuVecD2 boundA, AuVecD2 boundB) override;
        AuList<AuVecD2>     NextArrayVecD2Sorted(AuUInt32 uCount, AuVecD2 min, AuVecD2 max) override;
        AuList<AuVecD2>     NextArrayVecD2SortedFast(AuUInt32 uCount, AuVecD2 min, AuVecD2 max) override;
        AuList<AuVecD3>     NextArrayVecD3(AuUInt32 uCount, AuVecD3 boundA, AuVecD3 boundB) override;
        AuList<AuVecD3>     NextArrayVecD3Fast(AuUInt32 uCount, AuVecD3 boundA, AuVecD3 boundB) override;
        AuList<AuVecD3>     NextArrayVecD3Sorted(AuUInt32 uCount, AuVecD3 min, AuVecD3 max) override;
        AuList<AuVecD3>     NextArrayVecD3SortedFast(AuUInt32 uCount, AuVecD3 min, AuVecD3 max) override;
        AuList<AuVecD4>     NextArrayVecD4(AuUInt32 uCount, AuVecD4 boundA, AuVecD4 boundB) override;
        AuList<AuVecD4>     NextArrayVecD4Fast(AuUInt32 uCount, AuVecD4 boundA, AuVecD4 boundB) override;
        AuList<AuVecD4>     NextArrayVecD4Sorted(AuUInt32 uCount, AuVecD4 min, AuVecD4 max) override;
        AuList<AuVecD4>     NextArrayVecD4SortedFast(AuUInt32 uCount, AuVecD4 min, AuVecD4 max) override;
        AuList<double>      NextArrayDouble(AuUInt32 uCount) override;
        AuList<double>      NextArrayDecimals(AuUInt32 uCount) override;
        AuList<double>      NextArrayDecimalsFast(AuUInt32 uCount) override;
        AuList<uuids::uuid> NextArrayUUIDs(AuUInt32 uCount) override;
        AuList<AuInt32>     NextArrayI32RangeFast(AuUInt32 uCount, AuInt32 iMin, AuInt32 iMax) override;
        AuList<AuUInt32>    NextArrayU32RangeFast(AuUInt32 uCount, AuUInt32 uMin, AuUInt32 uMax) override;
        AuList<AuInt64>     NextArrayI64RangeFast(AuUInt32 uCount, AuInt64 iMin, AuInt64 iMax) override;
        AuList<AuUInt64>    NextArrayU64RangeFast(AuUInt32 uCount, AuUInt64 uMin, AuUInt64 uMax) override;
        AuUInt              NextArrayI32RangeInView(Memory::MemoryViewWrite write, AuInt32 iMin, AuInt32 iMax) override;
        AuUInt              NextArrayI32RangeFastInView(Memory::MemoryViewWrite write, AuInt32 iMin, AuInt32 iMax) override;
        AuUInt              NextArrayU32RangeInView(Memory::MemoryViewWrite write, AuUInt32 uMin, AuUInt32 uMax) override;
        AuUInt              NextArrayU32RangeFastInView(Memory::MemoryViewWrite write, AuUInt32 uMin, AuUInt32 uMax) override;
        AuUInt              NextArrayI64RangeInView(Memory::MemoryViewWrite write, AuInt64 iMin, AuInt64 iMax) override;
        AuUInt              NextArrayI64RangeFastInView(Memory::MemoryViewWrite write, AuInt64 iMin, AuInt64 iMax) override;
        AuUInt              NextArrayU64RangeInView(Memory::MemoryViewWrite write, AuUInt64 uMin, AuUInt64 uMax) override;
        AuUInt              NextArrayU64RangeFastInView(Memory::MemoryViewWrite write, AuUInt64 uMin, AuUInt64 uMax) override;
        AuUInt              NextArrayU32MaskInView(Memory::MemoryViewWrite write, AuUInt32 uMask) override;
        AuUInt              NextArrayU64MaskInView(Memory::MemoryViewWrite write, AuUInt64 uMask) override;
        AuUInt              NextArrayDoubleRangeInView(Memory::MemoryViewWrite write, double dMin, double dMax) override;
        AuUInt              NextArrayDoubleRangeFastInView(Memory::MemoryViewWrite write, double dMin, double dMax) override;
        AuUInt              NextArrayI32InView(Memory::MemoryViewWrite write) override;
        AuUInt              NextArrayU32InView(Memory::MemoryViewWrite write) override;
        AuUInt              NextArrayI64InView(Memory::MemoryViewWrite write) override;
        AuUInt              NextArrayU64InView(Memory::MemoryViewWrite write) override;
        AuUInt              NextArrayVec2InView(Memory::MemoryViewWrite write, AuVec2 boundA, AuVec2 boundB) override;
        AuUInt              NextArrayVec2FastInView(Memory::MemoryViewWrite write, AuVec2 boundA, AuVec2 boundB) override;
        AuUInt              NextArrayVec2SortedInView(Memory::MemoryViewWrite write, AuVec2 min, AuVec2 max) override;
        AuUInt              NextArrayVec2SortedFastInView(Memory::MemoryViewWrite write, AuVec2 min, AuVec2 max) override;
        AuUInt              NextArrayVec3InView(Memory::MemoryViewWrite write, AuVec3 boundA, AuVec3 boundB) override;
        AuUInt              NextArrayVec3FastInView(Memory::MemoryViewWrite write, AuVec3 boundA, AuVec3 boundB) override;
        AuUInt              NextArrayVec3SortedInView(Memory::MemoryViewWrite write, AuVec3 min, AuVec3 max) override;
        AuUInt              NextArrayVec3SortedFastInView(Memory::MemoryViewWrite write, AuVec3 min, AuVec3 max) override;
        AuUInt              NextArrayVec4InView(Memory::MemoryViewWrite write, AuVec4 boundA, AuVec4 boundB) override;
        AuUInt              NextArrayVec4FastInView(Memory::MemoryViewWrite write, AuVec4 boundA, AuVec4 boundB) override;
        AuUInt              NextArrayVec4SortedInView(Memory::MemoryViewWrite write, AuVec4 min, AuVec4 max) override;
        AuUInt              NextArrayVec4SortedFastInView(Memory::MemoryViewWrite write, AuVec4 min, AuVec4 max) override;
        AuUInt              NextArrayVecD2InView(Memory::MemoryViewWrite write, AuVecD2 boundA, AuVecD2 boundB) override;
        AuUInt              NextArrayVecD2FastInView(Memory::MemoryViewWrite write, AuVecD2 boundA, AuVecD2 boundB) override;
        AuUInt              NextArrayVecD2SortedInView(Memory::MemoryViewWrite write, AuVecD2 min, AuVecD2 max) override;
        AuUInt              NextArrayVecD2SortedFastInView(Memory::MemoryViewWrite write, AuVecD2 min, AuVecD2 max) override;
        AuUInt              NextArrayVecD3InView(Memory::MemoryViewWrite write, AuVecD3 boundA, AuVecD3 boundB) override;
        AuUInt              NextArrayVecD3FastInView(Memory::MemoryViewWrite write, AuVecD3 boundA, AuVecD3 boundB) override;
        AuUInt              NextArrayVecD3SortedInView(Memory::MemoryViewWrite write, AuVecD3 min, AuVecD3 max) override;
        AuUInt              NextArrayVecD3SortedFastInView(Memory::MemoryViewWrite write, AuVecD3 min, AuVecD3 max) override;
        AuUInt              NextArrayVecD4InView(Memory::MemoryViewWrite write, AuVecD4 boundA, AuVecD4 boundB) override;
        AuUInt              NextArrayVecD4FastInView(Memory::MemoryViewWrite write, AuVecD4 boundA, AuVecD4 boundB) override;
        AuUInt              NextArrayVecD4SortedInView(Memory::MemoryViewWrite write, AuVecD4 min, AuVecD4 max) override;
        AuUInt              NextArrayVecD4SortedFastInView(Memory::MemoryViewWrite write, AuVecD4 min, AuVecD4 max) override;
        AuUInt              NextArrayDoubleInView(Memory::MemoryViewWrite write) override;
        AuUInt              NextArrayDecimalsInView(Memory::MemoryViewWrite write) override;
        AuUInt              NextArrayDecimalsFastInView(Memory::MemoryViewWrite write) override;
        AuUInt              NextArrayUUIDsInView(Memory::MemoryViewWrite write) override;

        double   NextDecimal() override;
        double   NextNumber(double dMin, double dMax) override;
        AuUInt32 NextIndex(AuUInt32 uCount /* = max + 1*/) override;
        uuids::uuid NextUUID() override;
        IO::IStreamReader *ToStreamReader() override;
        AuMemoryViewRead ToSeed() override;
        
        void Init(const RandomDef &def);

    private:
        RandomDef def_;
        WELLRand fast_;

        bool DecGeometric(int x);
        double UniformFloatInRange(double udMin, double udMax);
    };
}