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/*! \file
    \brief Manifest of HYTLASS Library

    This is the root of the data structure containing HYTLASS objects
*/

#pragma once

#include <list>
#include <memory>
#include <map>

///////////////////////////////////////////////////////////////////////////////////////////////////

#include "library.h"

///////////////////////////////////////////////////////////////////////////////////////////////////

namespace hytlass {
namespace library {

///////////////////////////////////////////////////////////////////////////////////////////////////
// Forward declaration 
class Manifest;

// init and insert all hytlass gemm operations in manifest object (procedurally generated using generator.py)
void initialize_all(Manifest &manifest);         

// init and insert all reduction op in manifest object (manually instantiated in library/reduction)
void initialize_all_reduction_op(Manifest &manifest);

/////////////////////////////////////////////////////////////////////////////////////////////////////////

/// List of operations
using OperationVector = std::vector<std::unique_ptr<Operation>>;

///////////////////////////////////////////////////////////////////////////////////////////////////

/// Manifest of HYTLASS Library
class Manifest {
private:

  /// Operation provider 
  Provider provider_;

  /// Global list of operations
  OperationVector operations_;

public:
  Manifest (Provider provider = library::Provider::kHYTLASS) : provider_(provider) { }

  /// Top-level initialization
  Status initialize();

  /// Used for initialization
  void reserve(size_t operation_count);

  /// Graceful shutdown
  Status release();

  /// Appends an operation and takes ownership
  void append(Operation *operation_ptr) {\
    // This function is inline s.t. it is present in generated libraries
    // without having to compile or link in manifest.cpp
    operations_.emplace_back(operation_ptr);
  }

  /// Returns an iterator to the first operation
  OperationVector const &operations() const;

  /// Returns a const iterator
  OperationVector::const_iterator begin() const;

  /// Returns a const iterator
  OperationVector::const_iterator end() const;
};

///////////////////////////////////////////////////////////////////////////////////////////////////

} // namespace library
} // namespace hytlass

///////////////////////////////////////////////////////////////////////////////////////////////////
