// FileViewer.h

#ifndef _FileViewer_h_
#define _FileViewer_h_

#include <cstdlib>
#include <iostream>
#include <string>

#include "Buffer.h"

const char clear_command[] = "cls"; // for Windows
//const char clear_command[] = "clear"; // for Linux and macOS

class FileViewer
{
public:
    void run();

private:
    void display();
    void execute_command(char command, bool & done);
    void print_error(const std::string& message);

    Buffer buffer_;
    int window_height_;
};

inline void FileViewer::print_error(const std::string& message)
{
    using namespace std;
    cout << "ERROR: " << message << endl
         << "Press enter to continue...\n";
    cin.get();
}

#endif