#include <filesystem>
#include <iostream>
#include <fstream>
#include <ostream>
#include "CommandLineArgs.h"
#include "MarkdownParser.h"
#include "HtmlDocument.h"
#include "HtmlWriter.h"

int main(int argc, char *argv[])
{
	CommandLineArgs command_line_args;
	command_line_args.Process(argc, argv);

	if(command_line_args.GetNumberOfArgs() < 2)
	{
		std::cerr << "Expected a filepath argument" << std::endl;
		return -1;
	}

	MarkdownParser parser;
	const auto filepath = command_line_args.GetArg(1);

	if(!std::filesystem::exists(filepath))
	{
		std::cerr << "Couldn't find file: " << filepath << std::endl;
		return -1;
	}

	std::ifstream md_file;
	md_file.open(filepath, std::ifstream::in);
	while(md_file.good())
	{
		std::string line;
		std::getline(md_file, line);
		parser.ProcessLine(line);
	}
	md_file.close();

	auto html_document = parser.GetHtml();
	HtmlWriter writer;
	std::string html_string = writer.ToString(html_document);
    std::ofstream out("/home/james/test.html");
    out << html_string;
    out.close();
	return 0;
}