io.h

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#pragma once

#include <vector>

#include "utilities/types.h"
#include "utilities/domain.h"
#include "utilities/parameterDB.h"
#include "utilities/bodies.h"


namespace io
{
    // split a string given a delimiter
    std::vector<std::string> &split(const std::string &s, char delim, std::vector<std::string> &elems);
    
    // split a string given a delimiter
    std::vector<std::string> split(const std::string &s, char delim);
    
    // read data inputs from the command-line and the simulation files
    void readInputs(int argc, char **argv, parameterDB &DB, domain &D); 

    // parse the \a domain file and generate the computational grid
    void parseDomainFile(std::string &domFile, domain &D);
    
    // parse the \a flow file and store the parameters in the database
    void parseFlowFile(std::string &flowFile, parameterDB &DB);
    
    // parse the \a simulation file and store the parameters in the database
    void parseSimulationFile(std::string &simFile, parameterDB &DB);
    
    // parse the \a bodies file and store information about the immersed bodies
    void parseBodiesFile(std::string &bodiesFile, parameterDB &DB);

    // initialize the database with default values
    void initialiseDefaultDB(parameterDB &DB);

    // parse command-line to get simulation directory and device number
    void commandLineParse1(int argc, char **argv, parameterDB &DB);

    // overwrite parameters with additional arguments of the command-line
    void commandLineParse2(int argc, char **argv, parameterDB &DB);

    // print the parameters of the simulation
    void printSimulationInfo(parameterDB &DB, domain &D);

    // print the time spent to execute tasks
    void printTimingInfo(Logger &logger);

    // write grid-points coordinates into the file grid
    void writeGrid(std::string &caseFolder, domain &D);

    // write numerical data at a given time-step
    template <typename Vector>
    void writeData(std::string &caseFolder, int n, Vector &q, Vector &lambda, domain &D);//, bodies &B);
    
    // read numerical data at a given time-step
    void readData(std::string &caseFolder, int timeStep, real *x, std::string name);

    // print device memory usage
    void printDeviceMemoryUsage(std::string label);

} // End of namespace io