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#ifndef _TEST_KERNEL_H_
#define _TEST_KERNEL_H_

#include <map>
#include <stdint.h>

// Class implements Kernel test
class TestKernel {
 public:
  // Memory descriptors IDs
  enum { INPUT_DES_ID, OUTPUT_DES_ID, LOCAL_DES_ID, MASK_DES_ID, KERNARG_DES_ID, REFOUT_DES_ID };

  // Memory descriptors vector declaration
  struct mem_descr_t {
    void* ptr;
    uint32_t size;
    bool local;
  };

  // Memory map declaration
  typedef std::map<uint32_t, mem_descr_t> mem_map_t;
  typedef mem_map_t::iterator mem_it_t;
  typedef mem_map_t::const_iterator mem_const_it_t;

  // Initialize method
  virtual void init() = 0;

  // Return kernel memory map
  mem_map_t& get_mem_map() { return mem_map_; }

  // Return NULL descriptor
  static mem_descr_t null_descriptor() { return {0, 0, 0}; }

  // Methods to get the kernel attributes
  void* get_kernarg_ptr() const { return get_descr(KERNARG_DES_ID).ptr; }
  uint32_t get_kernarg_size() const { return get_descr(KERNARG_DES_ID).size; }
  void* get_output_ptr() const { return get_descr(OUTPUT_DES_ID).ptr; }
  uint32_t get_output_size() const { return get_descr(OUTPUT_DES_ID).size; }
  void* get_local_ptr() const { return get_descr(LOCAL_DES_ID).ptr; }
  void* get_refout_ptr() const { return get_descr(REFOUT_DES_ID).ptr; }
  virtual uint32_t get_elements_count() const = 0;

  // Print output
  virtual void print_output() const = 0;

  // Return name
  virtual std::string Name() const = 0;

 protected:
  // Set system memory descriptor
  bool set_sys_descr(const uint32_t& id, const uint32_t& size) {
    return set_mem_descr(id, size, false);
  }

  // Set local memory descriptor
  bool set_local_descr(const uint32_t& id, const uint32_t& size) {
    return set_mem_descr(id, size, true);
  }

  // Get memory descriptor
  mem_descr_t get_descr(const uint32_t& id) const {
    mem_const_it_t it = mem_map_.find(id);
    return (it != mem_map_.end()) ? it->second : null_descriptor();
  }

 private:
  // Set memory descriptor
  bool set_mem_descr(const uint32_t& id, const uint32_t& size, const bool& local) {
    const mem_descr_t des = {NULL, size, local};
    auto ret = mem_map_.insert(mem_map_t::value_type(id, des));
    return ret.second;
  }

  // Kernel memory map object
  mem_map_t mem_map_;
};

#endif  // _TEST_KERNEL_H_