/*******************************************************************************
 *
 * MIT License
 *
 * Copyright (c) 2019 Advanced Micro Devices, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 *******************************************************************************/

#ifndef MIOPEN_GUARD_MLOPEN_SOLVER_ID_HPP
#define MIOPEN_GUARD_MLOPEN_SOLVER_ID_HPP

#include <miopen/config.hpp>
#include <miopen/logger.hpp>
#include <miopen/conv_algo_name.hpp>

#include <cstdint>

namespace miopen {

struct ForceInit
{
};

namespace solver {

struct AnySolver;
struct SolverBase;

enum class Primitive
{
    Invalid,
    Convolution,
    Activation,
    Batchnorm,
    Bias,
    Fusion,
    Pooling,
    Normalization,
    Reduce,
    Cat,
    Mha,
    Softmax,
    Adam,
    Item,
    RoPE,
    ReLU,
    Kthvalue,
    SoftMarginLoss,
    MultiMarginLoss
};

struct Id
{
    static constexpr uint64_t invalid_value = 0;

    Id() = default;
    MIOPEN_INTERNALS_EXPORT Id(uint64_t value_);
    Id(ForceInit, uint64_t value_);
    MIOPEN_INTERNALS_EXPORT Id(const std::string& str);
    MIOPEN_INTERNALS_EXPORT Id(const char* str);

    MIOPEN_INTERNALS_EXPORT std::string ToString() const;
    MIOPEN_INTERNALS_EXPORT AnySolver GetSolver() const;
    const SolverBase* GetSolverBase() const;
    MIOPEN_INTERNALS_EXPORT std::string GetAlgo(conv::Direction dir) const;
    MIOPEN_INTERNALS_EXPORT miopenConvAlgorithm_t GetAlgo() const;
    Primitive GetPrimitive() const;

    bool IsValid() const { return is_valid; }
    uint64_t Value() const { return value; }
    bool operator==(const Id& other) const
    {
        if(!is_valid && !other.is_valid)
            return true; // invalids are equal regardless of their values
        return value == other.value && is_valid == other.is_valid;
    }
    bool operator!=(const Id& other) const { return !(*this == other); }

private:
    uint64_t value = invalid_value;
    bool is_valid  = false;
};

MIOPEN_INTERNALS_EXPORT const std::vector<Id>& GetSolversByPrimitive(Primitive primitive);

} // namespace solver
} // namespace miopen

#endif
