#include "ymake.h"

#include "file.h"
#include "Builder.h"

#include <algorithm>
#include <cstdlib>
#include <filesystem>
#include <iostream>
#include <iterator>
#include <sstream>
#include <stack>
#include <stdexcept>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <vector>

#include <boost/property_tree/ptree.hpp>
#include <boost/property_tree/xml_parser.hpp>
#include <boost/process.hpp>

#include <fmt/format.h>

#include <libreichwein/file.h>
#include <libreichwein/stringhelper.h>

namespace fs = std::filesystem;
namespace bp = boost::process;
namespace pt = boost::property_tree;
using namespace std::string_literals;

namespace {
 void usage()
 {
  std::cout << "Usage: ymake <target>" << std::endl;
 }

}

int ymake(int argc, char* argv[])
{
 try {
  pt::ptree ptree;
  pt::read_xml(YMakefile, ptree, pt::xml_parser::no_comments | pt::xml_parser::trim_whitespace);

  std::string action{"default"};

  if (argc == 1) { // default action
  } else if (argc == 2) {
   action = argv[1];
  } else {
   std::cerr << "Invalid arguments." << std::endl;
   usage;
   exit(1);
  }

  Builder builder(ptree);
  if (action == "default"s || action == "build") { // build
   builder.build();
  } else if (action == "clean") {
   builder.clean();
  } else if (action == "install") {
   throw std::runtime_error("unimplemented");
  } else if (action == "rebuild") {
   throw std::runtime_error("unimplemented");
  } else if (action == "run") {
   throw std::runtime_error("unimplemented");
  } else {
   std::cerr << "Invalid action: " << action << std::endl;
   usage;
   exit(1);
  }

 } catch (const std::exception& ex) {
  std::cerr << "ymake: " << ex.what() << std::endl;
  return 1;
 }

 return 0;
}