#----------------------------------*-sh-*--------------------------------------
# =========                 |
# \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
#  \\    /   O peration     |
#   \\  /    A nd           | www.openfoam.com
#    \\/     M anipulation  |
#------------------------------------------------------------------------------
#     Copyright (C) 2018-2020 OpenCFD Ltd.
#------------------------------------------------------------------------------
# License
#     This file is part of OpenFOAM, distributed under GPL-3.0-or-later.
#
# File
#     etc/config.sh/setup
#     - sourced by OpenFOAM-*/etc/bashrc
#
# Description
#     Finalize setup of OpenFOAM environment for POSIX shell.
#
# Environment
#     FOAM_CONFIG_MODE (search mode for etc config files - see foamEtcFile)
#         - eg, FOAM_CONFIG_MODE="o" to only use OpenFOAM config files
#
#     FOAM_VERBOSE (set/unset)
#         - add extra verbosity when sourcing files
#
#------------------------------------------------------------------------------

# [FOAM_API] - The API level for the project
export FOAM_API=$("$WM_PROJECT_DIR/bin/foamEtcFile" -show-api)

# The installation parent directory
prefixDir="${WM_PROJECT_DIR%/*}"

# Load shell functions
unset WM_SHELL_FUNCTIONS
. "$WM_PROJECT_DIR/etc/config.sh/functions"


# [WM_THIRD_PARTY_DIR] - Location of third-party software components
# \- This may be installed in a directory parallel to the OpenFOAM project
#    directory, with the same version name or using the API value.
#    It may also not be required at all, in which case a dummy "ThirdParty"
#    directory inside of the OpenFOAM project directory.
#
# Note: only accept if the directory exists and contains either
#   a "Allwmake" file (source) or a "platforms" directory (runtime-only)

export WM_THIRD_PARTY_DIR
unset foundDir

_foamEcho "Locating ThirdParty directory"

for WM_THIRD_PARTY_DIR in \
    "$WM_PROJECT_DIR/ThirdParty" \
    "$prefixDir/ThirdParty-$WM_PROJECT_VERSION" \
    "$prefixDir/ThirdParty-v$FOAM_API" \
    "$prefixDir/ThirdParty-$FOAM_API" \
    "$prefixDir/ThirdParty-common" \
    ;
do
    _foamEcho "... $WM_THIRD_PARTY_DIR"
    if [ -d "$WM_THIRD_PARTY_DIR" ]
    then
        if [ -f "$WM_THIRD_PARTY_DIR/Allwmake" ] || \
           [ -d "$WM_THIRD_PARTY_DIR/platforms" ]
        then
            foundDir=true
            break
        fi
    fi
done

if [ -n "$foundDir" ]
then
    _foamEcho "Using $WM_THIRD_PARTY_DIR"
else
    # Dummy fallback value
    WM_THIRD_PARTY_DIR="$WM_PROJECT_DIR/ThirdParty"
    _foamEcho "Dummy $WM_THIRD_PARTY_DIR"
fi
# Done with ThirdParty discovery


# Overrides via <prefs.sh>
# 1. Always use O(ther) values from the OpenFOAM project etc/ directory
_foamEtc -mode=o prefs.sh

# 2. (U)ser or (G)roup values (unless disabled).
unset configMode
if [ -z "$FOAM_CONFIG_MODE" ]
then
    configMode="ug"
else
    case "$FOAM_CONFIG_MODE" in (*[u]*) configMode="${configMode}u" ;; esac
    case "$FOAM_CONFIG_MODE" in (*[g]*) configMode="${configMode}g" ;; esac
fi
if [ -n "$configMode" ]
then
    _foamEtc -mode="$configMode" prefs.sh
fi


# Capture and evaluate any command-line parameters
# These can be used to set/unset values, specify additional files etc.
FOAM_SETTINGS="$@"

# Evaluate the command-line parameters, which were saved as FOAM_SETTINGS.
# These can be used to set/unset values, specify additional files etc.
if [ -z "$FOAM_SETTINGS" ]
then
    unset FOAM_SETTINGS
else
    export FOAM_SETTINGS
    _foamEval "$@"
fi

# The prefs may have injected a FOAM_CONFIG_ETC value.
# Verify that it makes sense before continuing.
if [ -n "$FOAM_CONFIG_ETC" ]
then
    if [ ! -d "$FOAM_CONFIG_ETC" ]
    then
        echo "Ignore invalid FOAM_CONFIG_ETC = $FOAM_CONFIG_ETC" 1>&2
        unset FOAM_CONFIG_ETC
    elif [ "$FOAM_CONFIG_ETC" = "$WM_PROJECT_DIR/etc" ]
    then
        # Redundant value
        unset FOAM_CONFIG_ETC
    fi
fi


# Clean standard environment variables (PATH, MANPATH, LD_LIBRARY_PATH)
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
export PATH MANPATH LD_LIBRARY_PATH
_foamClean PATH "$foamOldDirs"
_foamClean MANPATH "$foamOldDirs"
_foamClean LD_LIBRARY_PATH "$foamOldDirs"

# Setup for OpenFOAM compilation etc
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
_foamEtc -config  settings

# Setup for third-party packages
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
_foamEtc -config  mpi
_foamEtc -config  paraview -- "$@"  # Pass through for evaluation
_foamEtc -config  vtk
_foamEtc -config  gperftools
_foamEtc -config  adios2
_foamEtc -config  CGAL
_foamEtc -config  scotch
_foamEtc -config  FFTW

if [ -d "$WM_PROJECT_DIR/doc/man1" ]
then
    _foamAddMan "$WM_PROJECT_DIR/doc"
fi

# Interactive shell (use PS1, not tty)
if [ -n "$PS1" ]
then
    _foamEtc -config  aliases
    [ "${BASH_VERSINFO:-0}" -ge 4 ] && _foamEtc -config  bash_completion
fi


# Clean environment paths again. Only remove duplicates
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
export PATH MANPATH LD_LIBRARY_PATH

_foamClean PATH
_foamClean MANPATH
_foamClean LD_LIBRARY_PATH

# Add trailing ':' for system manpages
if [ -n "$MANPATH" ]
then
    MANPATH="${MANPATH}:"
fi


# Cleanup temporary information
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

# Unload shell functions
. "$WM_PROJECT_DIR/etc/config.sh/functions"

# Variables (done as the last statement for a clean exit code)
unset cleaned foamOldDirs foundDir prefixDir

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