#pragma once

#include <string>
#include <utility>
#include <vector>
#include "heightmap.h"

namespace grbl {

enum class instruction_type {
    gcode,
    comment,
    user_message
};

struct instruction {
    static instruction new_gcode(size_t line, std::string cmd, std::string comment = "");
    static instruction new_user_message(size_t line, std::string comment = "");
    static instruction new_comment(size_t line, std::string comment = "");

    size_t line = 0;
    instruction_type type = instruction_type::comment;
    std::string command;
    std::string comment;
};



struct program {
    program() = default;
    explicit program(std::string filename);

    bool load_from_file(std::string filename);
    bool load_from_stream(std::istream& in);
    bool load_from_string(const std::string& content);
    bool load_from_lines(std::vector<std::string> lines);

    void dump(std::ostream& out);

    size_t number_of_instructions() const {
        return instructions.size();
    }

    instruction instruction_at(size_t index) {
        return instructions.at(index);
    }
    bool is_loaded = false;
    std::string filename;
    std::vector<instruction> instructions{};
    grbl::program apply_heightmap(grbl::heightmap& grid);
    void save(std::string path);
};

}