#pragma once

#include <array>
#include <vector>
#include <cstdint>

#include "config.h"

namespace DynamicPipeline {

enum CommandType : uint16_t
{
	ADD,
	SUB,
	MUL,
	DIV,
	POW,
	CMD_COUNT
};

struct Command
{
	enum CommandType t;
	uint16_t op1;
	uint16_t op2;
	uint16_t res;

	Command(enum CommandType t, uint16_t op1, uint16_t op2, uint16_t res)
		: t(t), op1(op1), op2(op2), res(res)
	{

	}
};

struct MemCell
{
	double v;
	int ready;
};

class System
{
private:
	std::vector<Command> *program_memory;
	std::array<MemCell, DYN_PIPELINE_MEM_SIZE> data_memory;
	std::array<int, DYN_PIPELINE_LAYERS> layer_cmd {-1};
	unsigned int pc {0};
	unsigned int system_time;

	void print_program_memory(void) const;
	void print_pipeline(void) const;
	bool pipeline_empty(void) const;
	bool next_instruction(void) const;
	bool instruction_ready(void) const;
	void step(void);

public:
	void init(const std::vector<Command> * const prg, const std::array<double, DYN_PIPELINE_MEM_SIZE>& mem, const int init_mem_size);
	void run(void);
};

}