/*
 * main.cpp
 *
 *  Created on: Mar 16, 2014
 *      Author: robert
 */

#include <iostream>
#include <string>
#include "SimulationManager.h"
#include "../core/configuration/Configuration.h"

#include <systemc.h>
#include <sys/wait.h>
#include <utility>
#include <vector>

using namespace std;
using namespace simulation;

string resources;

string pathOfFile(string file)
{
	return file.substr(0, file.find_last_of('/'));
}

void startTraceAnalyzer(string traceName)
{
	string p = getenv("trace");
	string run_tpr = p + " " + traceName;
	system(run_tpr.c_str());
}

bool runSimulation(string resources, string traceName, DramSetup setup, vector<Device> devices)
{
	int pid = fork();
	int status = 0;
	if (pid == 0)
	{
		Simulation simulation("sim", resources, traceName, setup, devices, true);
		simulation.startSimulation();
		return true;
	}
	waitpid(pid, &status, 0);
	return false;
}

bool batchTraces(DramSetup setup, vector<pair<string, string>> tracePairs)
{
	int id = 0;
	for (pair<string, string> pair : tracePairs)
	{
		id++;
		string traceName = "batch" + to_string(id) + ".tdb";
		if (runSimulation(resources, traceName, setup, { Device(pair.first), Device(pair.second) }))
			return true; //kill child
	}
}

bool batchSetups(pair<string, string> tracePair, vector<DramSetup> setups)
{
	int id = 0;
	for (auto& setup : setups)
	{
		id++;
		string traceName = "batch0" + to_string(id) + ".tdb";
		if (runSimulation(resources, traceName, setup,
				{ Device(tracePair.first), Device(tracePair.second) }))
			return true; //kill child
	}
}
int sc_main(int argc, char **argv)
{
	sc_set_time_resolution(1, SC_PS);

	resources = pathOfFile(argv[0]) + string("/../resources/");

	DramSetup setup;
	setup.memconfig = "memconfig.xml";
	setup.memspec = "MatzesWideIO.xml";
	//setup.memspec = "MICRON_4Gb_DDR4-1866_8bit_A.xml";

	DramSetup setup2;
	setup2.memconfig = "memconfig.xml";
	setup2.memspec = "MICRON_4Gb_DDR4-1866_8bit_A.xml";

	vector<pair<string, string>> tracePairs;
	tracePairs.push_back(pair<string, string>("trace.stl", "empty.stl"));
	tracePairs.push_back(pair<string, string>("trace2.stl", "empty.stl"));

	//batchTraces(setup, tracePairs);
	//batchSetups(tracePairs[0], {setup});

	string traceName("tpr.tdb");

	string trace2 = "empty.stl";
	string trace1 = "chstone-jpeg_32.stl";
	trace1 = "trace.stl";

	if (runSimulation(resources, traceName, setup, { Device(trace1), Device(trace2) }))
		startTraceAnalyzer(traceName);
	return 0;
}