#include "levelgraph.hpp"
#include <CLI11.hpp>

int main(int argc, char* argv[]) {

  CLI::App app{"Graph Pipeline"};

  unsigned num_threads {1};
  app.add_option("-t,--num_threads", num_threads, "number of threads (default=1)");

  unsigned num_rounds {1};
  app.add_option("-r,--num_rounds", num_rounds, "number of rounds (default=1)");

  std::string model = "tf";
  app.add_option("-m,--model", model, "model name tbb|omp|tf|ff (default=tf)")
     ->check([] (const std::string& m) {
        if(m != "tbb" && m != "omp" && m != "tf" && m !="gold" && m != "ff") {
          return "model name should be \"tbb\", \"omp\", or \"tf\", or \"ff\"";
        }
        return "";
     });

  unsigned num_lines {8};
  app.add_option("-l,--num_lines", num_lines, "num of lines (default=8)");

  size_t pipes = {8};
  app.add_option("-p,--pipes", pipes, "the number of pipes (default=8)");

  CLI11_PARSE(app, argc, argv);

  if(pipes == 0 || pipes > 16) {
    throw std::runtime_error("can only support 1-16 pipes");
  }

  std::cout << "model="       << model       << ' '
            << "num_threads=" << num_threads << ' '
            << "num_rounds="  << num_rounds  << ' '
            << "num_lines="   << num_lines   << ' '
            << "pipes="       << pipes       << ' '
            << std::endl;

  std::cout << std::setw(12) << "|V|+|E|"
            << std::setw(12) << "Runtime"
             << '\n';

  for(int i = 1; i <= 451; i += 15) {

    double runtime {0.0};

    LevelGraph graph(i, i);

    for(unsigned j = 0; j < num_rounds; ++j) {
      if(model == "tf") {
        runtime += measure_time_taskflow(graph, pipes, num_lines, num_threads).count();
      }
      else if(model == "tbb") {
        runtime += measure_time_tbb(graph, pipes, num_lines, num_threads).count();
      }
      else if(model == "omp") {
        runtime += measure_time_omp(graph, pipes, num_lines, num_threads).count();
      }
      else if(model == "gold") {
        runtime += measure_time_gold(graph, pipes).count();
      }
      //else if(model == "ff") {
      //  runtime += measure_time_fastflow(graph, pipes).count();
      //}
      graph.clear_graph();
    }

    std::cout << std::setw(12) << graph.graph_size()
              << std::setw(12) << runtime / num_rounds / 1e3
              << std::endl;
  }
}