#!/bin/sh
cd "${0%/*}" || exit                                # Run from this directory
. ${WM_PROJECT_DIR:?}/bin/tools/RunFunctions        # Tutorial run functions
. ${WM_PROJECT_DIR:?}/bin/tools/CleanFunctions      # Tutorial clean functions
#------------------------------------------------------------------------------

# settings

    # operand setups
    setups="
    kOmegaSST
    SpalartAllmaras
    kEpsilonPhitF
    "

    # flag to enable computations in parallel mode
    parallel=true


#------------------------------------------------------------------------------

#######################################
# Extract a value (Eg, from boundaryField/bump/value)
# Arguments:
#    $1 = dictEntry
#    $2 = inputFile
#    $3 = outputFile
# Outputs:
#    Writes to 'outputFile'
# Notes:
#    Only retains values between, but not including the ( ) delimiters.
#    For example,
#----
#    value           nonuniform List<scalar>
#    110
#    (
#    0.0041520092
#    0.012577691
#    0.021250264
#    0.030176962
#    )
#    ;
#######################################
extractVal()
{
    if [ -f "$2" ]
    then
        foamDictionary -entry "$1" -value "$2" | \
            sed -n '/(/,/)/{ s/[()]//g; /^ *$/d; p}' \
            > "$3"
    else
        # Or some other tag?
        echo "Not such file: $2" 1>&2
        echo "0" > "$3"
    fi
}


#######################################
# Collect results into a given path
# and clean the case for the next run
# Arguments:
#    $1 = Path to move results
# Outputs:
#    Writes info to stdout
#######################################
collect() {

    [ $# -eq 0 ] && { echo "Usage: $0 dir-model"; exit 1; }

    collection="$1"

    dirResult=results/"$collection"
    dirSettings="$dirResult"/settings

    if [ ! -d "$dirResult" ]
    then

        echo "      # Collecting results and settings into $dirResult"

        mkdir -p "$dirResult"
        mkdir -p "$dirSettings"

        endTime=$(foamListTimes -latestTime)

        # Create datasets for benchmark comparisons
        extractVal boundaryField.bump.value "$endTime/Cx" Cx.$$
        extractVal boundaryField.bump.value "$endTime/wallShearStress" tau.$$
        extractVal boundaryField.bump.value "$endTime/Cp" cp.$$

        echo "# ccx tau_xx tau_yy tau_zz cp" > profiles.dat
        paste -d ' ' Cx.$$ tau.$$ cp.$$ >> profiles.dat
        rm -f Cx.$$ tau.$$ cp.$$

        mv -f $(foamListTimes) "$dirResult"
        [ -d postProcessing ] && mv -f postProcessing "$dirResult"
        [ -d processor0 ] && mv -f processor* "$dirResult"
        mv -f log.* "$dirResult"
        mv -f profiles.dat "$dirResult"
        cp -f system/{fv*,controlDict} constant/*Properties "$dirSettings"
        mv -f 0/ "$dirSettings"

        echo "      # Cleaning up the case"

        cleanTimeDirectories
        cleanAuxiliary
        cleanPostProcessing

    else

        echo "      # Directory $dirResult already exists"
        echo "      # Skipping the computation"

    fi

}


#------------------------------------------------------------------------------

for setup in $setups
do

    echo ""
    echo "# Computations for the setup: $setup"
    echo ""

    dirSetup="setups.orig/$setup"

    if [ ! -d "$dirSetup" ]
    then
        echo "Setup directory: $dirSetup" \
             "could not be found - skipping execution" 1>&2
        exit 1
    fi

    cp -rfL "$dirSetup/0.orig" .
    cp -rfL "$dirSetup/constant" .
    cp -rfL "$dirSetup/system" .
    cp -rf 0.orig/ 0/

    canCompile || exit 0    # Dynamic code

    if [ ! -d constant/polyMesh ]
    then

        runApplication blockMesh

        runApplication renumberMesh -overwrite -constant

        runApplication checkMesh -allTopology -allGeometry -constant

    fi

    if [ "$parallel" = true ]
    then

        runApplication decomposePar

        runParallel -s parallel renumberMesh -overwrite

        runParallel $(getApplication)

        runApplication reconstructPar

    else

        runApplication $(getApplication)

    fi

    collect "$setup"

done


#------------------------------------------------------------------------------