#pragma once
#include <cstdint>
#include <unordered_map>
#include <vector>

enum class InstType : uint8_t {
    MOV, MVI, ADD, SUB, LOAD, STORE, AND, OR, XOR, SHF, JMP, JIZ, CALL, RET, SYS, HLT
};

enum class OperandType {
    ImmNone, Imm4, Imm8
};

using BytecodeInstruction = uint16_t;

static std::unordered_map<InstType, std::vector<OperandType>> instructionOperandTypes = {
    {InstType::MOV, {OperandType::Imm4, OperandType::Imm4, OperandType::Imm4}}
};

struct Instruction {
    InstType opcode = InstType::MOV;
    uint16_t arg1 = 0;
    uint16_t arg2 = 0;
    uint16_t arg3 = 0;

    BytecodeInstruction asBytecodeInstruction() const;

    Instruction() = default;
    Instruction(InstType opcode, uint16_t arg1, uint16_t arg2, uint16_t arg3)
        : opcode(opcode), arg1(arg1), arg2(arg2), arg3(arg3) {}
    Instruction(BytecodeInstruction bytecodeInst);
};