#!/bin/bash -e

#
# Global config
#

set -o pipefail

# Determine current machine.

print_help() {
  echo "test_all_sandia <ARGS> <OPTIONS>:"
  echo "--kokkos-path=/Path/To/Kokkos: Path to the Kokkos root directory"
  echo "    Defaults to root repo containing this script"
  echo "--debug: Run tests in debug. Defaults to False"
  echo "--deprecated-code: Enable deprecated code (disabled by default)"
  echo "--deprecated-code-warnings    Enable deprecated code warnings (disabled by default)"
  echo "--boundscheck: Enable Kokkos_ENABLE_DEBUG_BOUNDS_CHECK to check View accesses within bounds."
  echo "--test-script: Test this script, not Kokkos"
  echo "--skip-hwloc: Do not do hwloc tests"
  echo "--num=N: Number of jobs to run in parallel"
  echo "--spot-check: Minimal test set to issue pull request"
  echo "--timeout: Max time before ctest timeout (in seconds)"
  echo "--dry-run: Just print what would be executed"
  echo "--build-only: Just do builds, don't run anything"
  echo "--opt-flag=FLAG: Optimization flag (default: -O3)"
  echo "--cxxflags-extra=FLAGS: Extra flags to be added to CXX_FLAGS"
  echo "--cxxstandard=OPT: c++17 (default), c++1z, c++20, c++2a, c++23, c++2b"
  echo "--ldflags-extra=FLAGS: Extra flags to be added to LD_FLAGS"
  echo "--arch=ARCHITECTURE: overwrite architecture flags"
  echo "--with-cuda-options=OPT: set KOKKOS_CUDA_OPTIONS"
  echo "--with-options=OPT: set KOKKOS_OPTIONS"
  echo "--build-list=BUILD,BUILD,BUILD..."
  echo "    Provide a comma-separated list of builds instead of running all builds"
  echo "    Valid items:"
  echo "      OpenMP, Pthread, Serial, OpenMP_Serial, Pthread_Serial"
  echo "      Cuda_OpenMP, Cuda_Pthread, Cuda_Serial"
  echo ""

  echo "ARGS: list of expressions matching compilers to test"
  echo "  supported compilers sems"
  for COMPILER_DATA in "${COMPILERS[@]}"; do
    ARR=($COMPILER_DATA)
    COMPILER=${ARR[0]}
    echo "    $COMPILER"
  done
  echo ""

  echo "Examples:"
  echo "  Run all tests"
  echo "  % test_all_sandia"
  echo ""
  echo "  Run all gcc tests"
  echo "  % test_all_sandia gcc"
  echo ""
  echo "  Run all gcc/4.8.4 and all intel tests"
  echo "  % test_all_sandia gcc/4.8.4 intel"
  echo ""
  echo "  Run all tests in debug"
  echo "  % test_all_sandia --debug"
  echo ""
  echo "  Run gcc/4.8.4 and only do OpenMP and OpenMP_Serial builds"
  echo "  % test_all_sandia gcc/4.8.4 --build-list=OpenMP,OpenMP_Serial"
  echo ""
  echo "If you want to kill the tests, do:"
  echo "  hit ctrl-z"
  echo "  % kill -9 %1"
  echo
}

MACHINE=""
HOSTNAME=$(hostname)
PROCESSOR=`uname -p`
CUDA_ENABLE_CMD=

if [[ "$HOSTNAME" =~ weaver.* ]]; then
  MACHINE=weaver
  source /etc/profile.d/modules.sh
  module load git
fi

if [[ "$HOSTNAME" =~ .*voltrino.* ]]; then
  MACHINE=voltrino
  module load git
fi

if [[ "$HOSTNAME" == *blake* ]]; then # Warning: very generic name
  MACHINE=blake
  module load git
fi

if [[ "$HOSTNAME" == kokkos-dev-2* ]]; then
  MACHINE=kokkos-dev-2
fi

if [[ "$HOSTNAME" == may* ]]; then
  MACHINE=mayer
#  module load git
fi

if [[ "$HOSTNAME" == cn* ]]; then # Warning: very generic name
  MACHINE=mayer
fi

if [[ "$HOSTNAME" == caraway* ]]; then
  MACHINE=caraway
fi

if [[ "$HOSTNAME" == fat* ]]; then # Caraway MI250 queues
  MACHINE=caraway
fi

if [[ "$HOSTNAME" == lean* ]]; then # Caraway MI210 queues
  MACHINE=caraway
fi

if [[ "$HOSTNAME" == sogpu01* ]]; then
  MACHINE=sogpu
fi

if [ ! -z "$SEMS_MODULEFILES_ROOT" ]; then
  if [[ "$MACHINE" = "" ]]; then
    MACHINE=sems
  fi  
fi

if [[ "$MACHINE" = "" ]]; then
  echo "Unrecognized machine" >&2
  exit 1
fi

echo "Running on machine: $MACHINE"

GCC_BUILD_LIST="OpenMP,Pthread,Serial,OpenMP_Serial,Pthread_Serial"
IBM_BUILD_LIST="OpenMP,Serial,OpenMP_Serial"
ARM_GCC_BUILD_LIST="OpenMP,Serial,OpenMP_Serial"
INTEL_BUILD_LIST="OpenMP,Pthread,Serial,OpenMP_Serial,Pthread_Serial"
CLANG_BUILD_LIST="Pthread,Serial,Pthread_Serial"
CUDA_BUILD_LIST="Cuda_OpenMP,Cuda_Pthread,Cuda_Serial"
CUDA_IBM_BUILD_LIST="Cuda_OpenMP,Cuda_Serial"

GCC_WARNING_FLAGS="-Wall,-Wunused-parameter,-Wshadow,-pedantic,-Werror,-Wsign-compare,-Wtype-limits,-Wignored-qualifiers,-Wempty-body,-Wclobbered,-Wuninitialized"
IBM_WARNING_FLAGS="-Wall,-Wunused-parameter,-Wshadow,-pedantic,-Wsign-compare,-Wtype-limits,-Wuninitialized"
CLANG_WARNING_FLAGS="-Wall,-Wunused-parameter,-Wshadow,-pedantic,-Werror,-Wsign-compare,-Wtype-limits,-Wuninitialized"
INTEL_WARNING_FLAGS="-Wall,-Wunused-parameter,-Wshadow,-pedantic,-Werror,-Wsign-compare,-Wtype-limits,-Wuninitialized"
INTEL15_WARNING_FLAGS="-Wall,-Wno-unused-variable,-Wshadow,-pedantic,-Werror,-Wsign-compare,-Wtype-limits,-Wuninitialized"
CUDA_WARNING_FLAGS="-Wall,-Wunused-parameter,-Wshadow,-pedantic,-Werror,-Wsign-compare,-Wtype-limits,-Wuninitialized"
#CUDA_WARNING_FLAGS="-Wall,-Wunused-parameter,-Wshadow,-pedantic,-Wsign-compare,-Wtype-limits,-Wuninitialized"
PGI_WARNING_FLAGS=""

# Default. Machine specific can override.
DEBUG=False
ARGS=""
CUSTOM_BUILD_LIST=""
DRYRUN=False
BUILD_ONLY=False
declare -i NUM_JOBS_TO_RUN_IN_PARALLEL=1
TEST_SCRIPT=False
SKIP_HWLOC=False
SPOT_CHECK=False

PRINT_HELP=False
OPT_FLAG=""
CXX_FLAGS_EXTRA=""
LD_FLAGS_EXTRA=""
KOKKOS_OPTIONS=""

CXX_STANDARD="17"

CTESTTIMEOUT=2000

KOKKOS_DEPRECATED_CODE=""
KOKKOS_DEPRECATED_CODE_WARNINGS=""

#
# Handle arguments.
#

while [[ $# > 0 ]]
do
  key="$1"

  case $key in
    --kokkos-path*)
      KOKKOS_PATH="${key#*=}"
      ;;
    --build-list*)
      CUSTOM_BUILD_LIST="${key#*=}"
      ;;
    --debug*)
      DEBUG=True
      ;;
    --boundscheck*)
      KOKKOS_BOUNDS_CHECK="--boundscheck"
      ;;
    --deprecated-code)
      KOKKOS_DEPRECATED_CODE="--deprecated-code"
      ;;
    --deprecated-code-warnings)
      KOKKOS_DEPRECATED_CODE_WARNINGS="--deprecated-code-warnings"
      ;;
    --build-only*)
      BUILD_ONLY=True
      ;;
    --test-script*)
      TEST_SCRIPT=True
      ;;
    --skip-hwloc*)
      SKIP_HWLOC=True
      ;;
    --num*)
      NUM_JOBS_TO_RUN_IN_PARALLEL="${key#*=}"
      ;;
    --dry-run*)
      DRYRUN=True
      ;;
    --spot-check*)
      SPOT_CHECK=True
      ;;
    --timeout*)
      CTESTTIMEOUT="${key#*=}"
      ;;
    --arch*)
      ARCH_FLAG="--arch=${key#*=}"
      ;;
    --opt-flag*)
      OPT_FLAG="${key#*=}"
      ;;
    --with-cuda-options*)
      KOKKOS_CUDA_OPTIONS="${key#*=}"
      export KOKKOS_CUDA_OPTIONS
      ;;
    --with-options*)
      KOKKOS_OPTIONS="${key#*=}"
      export KOKKOS_OPTIONS
      ;;
    --cxxflags-extra*)
      CXX_FLAGS_EXTRA="${key#*=}"
      ;;
    --cxxstandard*)
      FULL_CXX_STANDARD="${key#*=}"
      if [[ ${FULL_CXX_STANDARD} == *++* ]]; then
         CXX_STANDARD="${FULL_CXX_STANDARD#*++}"
      else
         CXX_STANDARD="${FULL_CXX_STANDARD}"
      fi
      ;;
    --ldflags-extra*)
      LD_FLAGS_EXTRA="${key#*=}"
      ;;
    --help*)
      PRINT_HELP=True
      ;;
    *)
      # args, just append
      ARGS="$ARGS $1"
      ;;
  esac

  shift
done

SCRIPT_KOKKOS_ROOT=$( cd "$( dirname "$0" )" && cd ../.. && pwd )

# Set kokkos path.
if [ -z "$KOKKOS_PATH" ]; then
  KOKKOS_PATH=$SCRIPT_KOKKOS_ROOT
else
  # Ensure KOKKOS_PATH is abs path.
  KOKKOS_PATH=$( cd $KOKKOS_PATH && pwd )
fi



#
# Machine specific config.
#

if [ "$MACHINE" = "sems" ]; then
  module purge
  MODULE_ENVIRONMENT="sh /projects/sems/modulefiles/utils/sems-v2-modules-init.sh"
  eval "$MODULE_ENVIRONMENT"

  module load sems-cmake sems-git
  BASE_MODULE_LIST="sems-cmake,sems-<COMPILER_NAME>/<COMPILER_VERSION>"
  SKIP_HWLOC=True
  # No sems hwloc module

  if [ -z "$ARCH_FLAG" ]; then
    ARCH_FLAG=""
  fi

  # Format: (compiler module-list build-list exe-name warning-flag)
  COMPILERS=("gcc/8.3.0 $BASE_MODULE_LIST $GCC_BUILD_LIST g++ $GCC_WARNING_FLAGS"
             "gcc/10.1.0 $BASE_MODULE_LIST $GCC_BUILD_LIST g++ $GCC_WARNING_FLAGS"
             "clang/11.0.1 $BASE_MODULE_LIST $CLANG_BUILD_LIST clang++ $CLANG_WARNING_FLAGS"
             "clang/14.0.2 $BASE_MODULE_LIST $CLANG_BUILD_LIST clang++ $CLANG_WARNING_FLAGS"
             "intel/19.0.5 $BASE_MODULE_LIST $INTEL_BUILD_LIST icpc $INTEL_WARNING_FLAGS"
             "intel/19.1.2 $BASE_MODULE_LIST $INTEL_BUILD_LIST icpc $INTEL_WARNING_FLAGS"
             "intel/2021.3 $BASE_MODULE_LIST $INTEL_BUILD_LIST icpc $INTEL_WARNING_FLAGS"
  )

elif [ "$MACHINE" = "sogpu" ]; then
  MODULE_ENVIRONMENT="sh /projects/sems/modulefiles/utils/sems-v2-modules-init.sh"
  eval "$MODULE_ENVIRONMENT"

  module load sems-cmake sems-git
  BASE_MODULE_LIST="sems-cmake,sems-<COMPILER_NAME>/<COMPILER_VERSION>"
  CUDA11_MODULE_LIST="sems-cmake,sems-gcc/8.3.0,sems-<COMPILER_NAME>/<COMPILER_VERSION>"
  SKIP_HWLOC=True
  # No sems hwloc module

  echo "."
  module list
  if [ -z "$ARCH_FLAG" ]; then
    ARCH_FLAG="--arch=Volta70"
  fi

  echo "."
  # Format: (compiler module-list build-list exe-name warning-flag)
  COMPILERS=("gcc/8.3.0 $BASE_MODULE_LIST $GCC_BUILD_LIST g++ $GCC_WARNING_FLAGS"
             "gcc/10.1.0 $BASE_MODULE_LIST $GCC_BUILD_LIST g++ $GCC_WARNING_FLAGS"
             "clang/11.0.1 $BASE_MODULE_LIST $CLANG_BUILD_LIST clang++ $CLANG_WARNING_FLAGS"
             "clang/14.0.2 $BASE_MODULE_LIST $CLANG_BUILD_LIST clang++ $CLANG_WARNING_FLAGS"
             "intel/19.0.5 $BASE_MODULE_LIST $INTEL_BUILD_LIST icpc $INTEL_WARNING_FLAGS"
             "intel/19.1.2 $BASE_MODULE_LIST $INTEL_BUILD_LIST icpc $INTEL_WARNING_FLAGS"
             "intel/2021.3 $BASE_MODULE_LIST $INTEL_BUILD_LIST icpc $INTEL_WARNING_FLAGS"
             "cuda/11.1.0 $CUDA11_MODULE_LIST $CUDA_BUILD_LIST $KOKKOS_PATH/bin/nvcc_wrapper $CUDA_WARNING_FLAGS"
             "cuda/11.4.2 $CUDA11_MODULE_LIST $CUDA_BUILD_LIST $KOKKOS_PATH/bin/nvcc_wrapper $CUDA_WARNING_FLAGS"
  )

  echo "."
  echo "COMPILER VAR : $COMPILERS"

elif [ "$MACHINE" = "weaver" ]; then
  # Use the legacy env for now until all modules are part of the new system
  source /projects/ppc64le-pwr9-rhel8/legacy-env.sh
  SKIP_HWLOC=True

  # Cuda/11 modules available only on the dev queue (rhel8 OS); gcc/8.3.1 loaded by default
  CUDA11_MODULE_LIST="cmake/3.23.1,<COMPILER_NAME>/<COMPILER_VERSION>"

  # Don't do pthread with Power
  GCC_BUILD_LIST="OpenMP,Serial,OpenMP_Serial"

  # Format: (compiler module-list build-list exe-name warning-flag)
  COMPILERS=("cuda/11.2.2 $CUDA11_MODULE_LIST $CUDA_IBM_BUILD_LIST ${KOKKOS_PATH}/bin/nvcc_wrapper $CUDA_WARNING_FLAGS"
  )

  if [ -z "$ARCH_FLAG" ]; then
    ARCH_FLAG="--arch=Power9,Volta70"
  fi

elif [ "$MACHINE" = "voltrino" ]; then
  SKIP_HWLOC=True
  export SLURM_TASKS_PER_NODE=32

  BASE_MODULE_LIST="PrgEnv-intel,craype-mic-knl,cmake/3.16.2,slurm/20.11.4a,<COMPILER_NAME>/<COMPILER_VERSION>,gcc/9.3.0"

  # Format: (compiler module-list build-list exe-name warning-flag)
  COMPILERS=("intel/19.0.4 $BASE_MODULE_LIST $INTEL_BUILD_LIST icpc $INTEL_WARNING_FLAGS"
  )

  if [ -z "$ARCH_FLAG" ]; then
    ARCH_FLAG="--arch=KNL"
  fi

elif [ "$MACHINE" = "mayer" ]; then
  SKIP_HWLOC=True
  export SLURM_TASKS_PER_NODE=96

  BASE_MODULE_LIST="cmake/3.17.1,<COMPILER_NAME>/<COMPILER_VERSION>"

  # Format: (compiler module-list build-list exe-name warning-flag)
  COMPILERS=("gnu9/9.3.0 $BASE_MODULE_LIST $ARM_GCC_BUILD_LIST g++ $GCC_WARNING_FLAGS"
             "arm/20.1 $BASE_MODULE_LIST $ARM_GCC_BUILD_LIST armclang++ $CLANG_WARNING_FLAGS")

  if [ -z "$ARCH_FLAG" ]; then
    ARCH_FLAG="--arch=ARMV8_THUNDERX2"
  fi

elif [ "$MACHINE" = "caraway" ]; then
  SKIP_HWLOC=True

  BASE_MODULE_LIST="cmake/3.19.3,<COMPILER_NAME>/<COMPILER_VERSION>"

  HIPCLANG_BUILD_LIST="Hip_Serial,Hip_OpenMP"
  HIPCLANG_WARNING_FLAGS="-Werror -Wno-unused-command-line-argument -DNDEBUG"

  # Format: (compiler module-list build-list exe-name warning-flag)
  COMPILERS=("rocm/5.2.0 $BASE_MODULE_LIST $HIPCLANG_BUILD_LIST hipcc $HIPCLANG_WARNING_FLAGS"
             "gcc/8.2.0 $BASE_MODULE_LIST $GCC_BUILD_LIST g++ $GCC_WARNING_FLAGS"
             "gcc/9.2.0 $BASE_MODULE_LIST $GCC_BUILD_LIST g++ $GCC_WARNING_FLAGS"
             "gcc/10.2.0 $BASE_MODULE_LIST $GCC_BUILD_LIST g++ $GCC_WARNING_FLAGS"
             "gcc/11.2.0 $BASE_MODULE_LIST $GCC_BUILD_LIST g++ $GCC_WARNING_FLAGS"
  )

  if [ -z "$ARCH_FLAG" ]; then
    ARCH_FLAG="--arch=AMD_GFX908"
  fi

elif [ "$MACHINE" = "blake" ]; then
  source /etc/profile.d/modules.sh
  SKIP_HWLOC=True
  export SLURM_TASKS_PER_NODE=32

  module load cmake/3.19.3

  BASE_MODULE_LIST="cmake/3.19.3,<COMPILER_NAME>/<COMPILER_VERSION>"
  BASE_MODULE_LIST_INTEL="cmake/3.19.3,<COMPILER_NAME>/compilers/<COMPILER_VERSION>"
  BASE_MODULE_LIST_ONEAPI="cmake/3.19.3,<COMPILER_NAME>/oneAPI/base-toolkit/<COMPILER_VERSION>,<COMPILER_NAME>/oneAPI/hpc-toolkit/<COMPILER_VERSION>"
  ONEAPI_WARNING_FLAGS=""

  COMPILERS=("intel/19.5.281 $BASE_MODULE_LIST_INTEL $INTEL_BUILD_LIST icpc $INTEL_WARNING_FLAGS"
             "intel/2021.1.1 $BASE_MODULE_LIST_ONEAPI $INTEL_BUILD_LIST icpx $ONEAPI_WARNING_FLAGS"
             "intel/2021.2.0 $BASE_MODULE_LIST_ONEAPI $INTEL_BUILD_LIST icpx $ONEAPI_WARNING_FLAGS"
             "intel/2021.4.0 $BASE_MODULE_LIST_ONEAPI $INTEL_BUILD_LIST icpx $ONEAPI_WARNING_FLAGS"
             "intel/2022.1.2 $BASE_MODULE_LIST_ONEAPI $INTEL_BUILD_LIST icpx $ONEAPI_WARNING_FLAGS"
             "gcc/8.2.0 $BASE_MODULE_LIST $GCC_BUILD_LIST g++ $GCC_WARNING_FLAGS"
             "gcc/8.3.0 $BASE_MODULE_LIST $GCC_BUILD_LIST g++ $GCC_WARNING_FLAGS"
             "gcc/9.2.0 $BASE_MODULE_LIST $GCC_BUILD_LIST g++ $GCC_WARNING_FLAGS"
             "gcc/10.2.0 $BASE_MODULE_LIST $GCC_BUILD_LIST g++ $GCC_WARNING_FLAGS"
             "gcc/11.2.0 $BASE_MODULE_LIST $GCC_BUILD_LIST g++ $GCC_WARNING_FLAGS"
             "clang/10.0.0 $BASE_MODULE_LIST $CLANG_BUILD_LIST clang++ $CLANG_WARNING_FLAGS"
  )

  if [ -z "$ARCH_FLAG" ]; then
    ARCH_FLAG="--arch=SKX"
  fi

elif [ "$MACHINE" = "kokkos-dev-2" ]; then
  module purge
  source /projects/sems/modulefiles/utils/sems-archive-modules-init.sh
  module use /home/projects/x86-64/modulefiles/local
  module load sems-archive-env

  module load sems-archive-git
  module load sems-archive-cmake/3.17.1
  module load sems-archive-gdb

  SKIP_HWLOC=True

  BASE_MODULE_LIST="sems-archive-env,sems-archive-cmake/3.17.1,sems-archive-<COMPILER_NAME>/<COMPILER_VERSION>"
  INTEL_BASE_MODULE_LIST="sems-archive-env,sems-archive-cmake/3.17.1,sems-archive-gcc/8.3.0,sems-archive-<COMPILER_NAME>/<COMPILER_VERSION>"
  CLANG_BASE_MODULE_LIST="sems-archive-env,sems-archive-cmake/3.17.1,sems-archive-gcc/9.2.0,sems-archive-<COMPILER_NAME>/<COMPILER_VERSION>"
  GCC91_MODULE_LIST="sems-archive-env,sems-archive-cmake/3.17.1,<COMPILER_NAME>/<COMPILER_VERSION>"
  NVCC_SEMSMODULE_LIST="sems-archive-env,sems-archive-cmake/3.17.1,sems-archive-gcc/7.3.0,sems-archive-<COMPILER_NAME>/<COMPILER_VERSION>"
  NVCC_MODULE_LIST="sems-archive-env,sems-archive-cmake/3.17.1,sems-archive-gcc/9.2.0,<COMPILER_NAME>/<COMPILER_VERSION>"

  BUILD_LIST_CLANG="Serial,Pthread,OpenMP"

  # Format: (compiler module-list build-list exe-name warning-flag)
  COMPILERS=("cuda/11.1 $NVCC_SEMSMODULE_LIST $CUDA_BUILD_LIST $KOKKOS_PATH/bin/nvcc_wrapper $CUDA_WARNING_FLAGS"
             "cuda/11.2 $NVCC_MODULE_LIST $CUDA_BUILD_LIST $KOKKOS_PATH/bin/nvcc_wrapper $CUDA_WARNING_FLAGS"
             "cuda/11.7 $NVCC_MODULE_LIST $CUDA_BUILD_LIST $KOKKOS_PATH/bin/nvcc_wrapper $CUDA_WARNING_FLAGS"
             "cuda/12.0 $NVCC_MODULE_LIST $CUDA_BUILD_LIST $KOKKOS_PATH/bin/nvcc_wrapper $CUDA_WARNING_FLAGS"
             "gcc/8.3.0 $BASE_MODULE_LIST $GCC_BUILD_LIST g++ $GCC_WARNING_FLAGS"
             "gcc/9.1 $GCC91_MODULE_LIST "$GCC_BUILD_LIST" g++ $GCC_WARNING_FLAGS"
             "gcc/9.2.0 $BASE_MODULE_LIST "$GCC_BUILD_LIST" g++ $GCC_WARNING_FLAGS"
             "intel/19.0.5 $INTEL_BASE_MODULE_LIST $INTEL_BUILD_LIST icpc $INTEL_WARNING_FLAGS"
             "clang/9.0.0 $CLANG_BASE_MODULE_LIST $CLANG_BUILD_LIST clang++ $CLANG_WARNING_FLAGS"
             "clang/10.0.0 $CLANG_BASE_MODULE_LIST $BUILD_LIST_CLANG clang++ $CLANG_WARNING_FLAGS"
  )

  if [ -z "$ARCH_FLAG" ]; then
    ARCH_FLAG="--arch=Volta70"
  fi

else
  echo "Unhandled machine $MACHINE" >&2
  exit 1
fi

export OMP_NUM_THREADS=8
export OMP_PROC_BIND=spread
export OMP_PLACES=cores
export OMP_MAX_ACTIVE_LEVELS=1

declare -i NUM_RESULTS_TO_KEEP=7

RESULT_ROOT_PREFIX=TestAll

if [ "$PRINT_HELP" = "True" ]; then
  print_help
  exit 0
fi

UNCOMMITTED=`cd ${KOKKOS_PATH}; git status --porcelain 2>/dev/null`
if ! [ -z "$UNCOMMITTED" ]; then
  echo "WARNING!! THE FOLLOWING CHANGES ARE UNCOMMITTED!! :"
  echo "$UNCOMMITTED"
  echo ""
fi

GITSTATUS=`cd ${KOKKOS_PATH}; git log -n 1 --format=oneline`
echo "Repository Status: " ${GITSTATUS}
echo ""
echo ""

# Set build type.
if [ "$DEBUG" = "True" ]; then
  BUILD_TYPE=debug
else
  BUILD_TYPE=release
fi

# If no args provided, do all compilers.
if [ -z "$ARGS" ]; then
  ARGS='?'
fi

# Process args to figure out which compilers to test.
COMPILERS_TO_TEST=""

for ARG in $ARGS; do
  for COMPILER_DATA in "${COMPILERS[@]}"; do
    ARR=($COMPILER_DATA)
    COMPILER=${ARR[0]}

    if [[ "$COMPILER" = $ARG* ]]; then
      if [[ "$COMPILERS_TO_TEST" != *${COMPILER}* ]]; then
        COMPILERS_TO_TEST="$COMPILERS_TO_TEST $COMPILER"
      else
        echo "Tried to add $COMPILER twice"
      fi
     fi
  done
done

if [ "$COMPILERS_TO_TEST" == "" ]; then
   echo "-----------------------------------------------"
   echo "   !!!! Invalid Compiler provided  '$ARGS' !!!!"
   echo "-----------------------------------------------"
   print_help
   exit 0
fi

#
# Functions.
#

# get_compiler_name <COMPILER>
get_compiler_name() {
  echo $1 | cut -d/ -f1
}

# get_compiler_version <COMPILER>
get_compiler_version() {
  echo $1 | cut -d/ -f2
}

# Do not call directly.
get_compiler_data() {
  local compiler=$1
  local item=$2
  local compiler_name=$(get_compiler_name $compiler)
  local compiler_vers=$(get_compiler_version $compiler)

  local compiler_data
  for compiler_data in "${COMPILERS[@]}" ; do
    local arr=($compiler_data)

    if [ "$compiler" = "${arr[0]}" ]; then
      echo "${arr[$item]}" | tr , ' ' | sed -e "s/<COMPILER_NAME>/$compiler_name/g" -e "s/<COMPILER_VERSION>/$compiler_vers/g"
      return 0
    fi
  done

  # Not found.
  echo "Unreconized compiler $compiler" >&2
  exit 1
}

#
# For all getters, usage: <GETTER> <COMPILER>
#

get_compiler_modules() {
  get_compiler_data $1 1
}

get_compiler_build_list() {
  get_compiler_data $1 2
}

get_compiler_exe_name() {
  get_compiler_data $1 3
}

get_compiler_warning_flags() {
  get_compiler_data $1 4
}

run_cmd() {
  echo "RUNNING: $*"
  if [ "$DRYRUN" != "True" ]; then
    eval "$* 2>&1"
  fi
}

# report_and_log_test_results <SUCCESS> <DESC> <COMMENT>
report_and_log_test_result() {
  # Use sane var names.
  local success=$1; local desc=$2; local comment=$3;

  if [ "$success" = "0" ]; then
    echo "  PASSED $desc"
    echo $comment > $PASSED_DIR/$desc
  else
    # For failures, comment should be the name of the phase that failed.
    echo "  FAILED $desc" >&2
    echo $comment > $FAILED_DIR/$desc
    cat ${desc}.${comment}.log
  fi
}

setup_env() {
  local compiler=$1
  local compiler_modules=$(get_compiler_modules $compiler)

  module purge

  local mod
  for mod in $compiler_modules; do
    echo "Loading module $mod"
    module load $mod 2>&1
    # It is ridiculously hard to check for the success of a loaded
    # module. Module does not return error codes and piping to grep
    # causes module to run in a subshell.
    module list 2>&1 | grep "$mod" >& /dev/null || return 1
  done

  if [ -e ${CM_ALL_SCRIPT_PATH}/update_lib.sh ]; then
     echo "calling ${CM_ALL_SCRIPT_PATH}/update_lib.sh $MACHINE $compiler"
     source ${CM_ALL_SCRIPT_PATH}/update_lib.sh $MACHINE $compiler
  fi
  return 0
}

# single_build_and_test <COMPILER> <BUILD> <BUILD_TYPE>
single_build_and_test() {
  # Use sane var names.
  local compiler=$1; local build=$2; local build_type=$3;

  # Set up env.
  mkdir -p $ROOT_DIR/$compiler/"${build}-$build_type"
  cd $ROOT_DIR/$compiler/"${build}-$build_type"

  local compiler_modules_list=$(get_compiler_modules $compiler)
  echo "  #   Load modules:" &> reload_modules.sh
  echo "        module load $compiler_modules_list" &>> reload_modules.sh
  echo "" &>> reload_modules.sh
  chmod +x reload_modules.sh

  local desc=$(echo "${compiler}-${build}-${build_type}" | sed 's:/:-:g')
  setup_env $compiler >& ${desc}.configure.log || { report_and_log_test_result 1 ${desc} configure && return 0; }

  # Set up flags.
  local compiler_warning_flags=$(get_compiler_warning_flags $compiler)
  local compiler_exe=$(get_compiler_exe_name $compiler)

  if [[ "$KOKKOS_OPTIONS" == "" ]]; then
    local extra_args="--with-options=enable_large_mem_tests"
  else 
    local extra_args=
  fi    

  if [[ "$build_type" = hwloc* ]]; then
    local extra_args="$extra_args --with-hwloc=$(dirname $(dirname $(which hwloc-info)))"
  fi

  if [[ "$OPT_FLAG" = "" ]]; then
    OPT_FLAG="-O3"
  fi

  if [[ "$build_type" = *debug* ]]; then
    local extra_args="$extra_args --debug"
    local cxxflags="-g $compiler_warning_flags"
  else
    local cxxflags="$OPT_FLAG $compiler_warning_flags"
  fi

  local cxxflags="${cxxflags} ${CXX_FLAGS_EXTRA}"
  local ldflags="${LD_FLAGS_EXTRA}"

  local cxx_standard="${CXX_STANDARD}"


  echo "  Starting job $desc"

  local comment="no_comment"

  if [ "$TEST_SCRIPT" = "True" ]; then
    local rand=$[ 1 + $[ RANDOM % 10 ]]
    sleep $rand

    if [ $rand -gt 5 ]; then
      run_cmd ls fake_problem >& ${desc}.configure.log || { report_and_log_test_result 1 $desc configure && return 0; }
    fi
  else
    LOCAL_KOKKOS_DEVICES=${build//_/,}
    if [[ "$LOCAL_KOKKOS_DEVICES" = *Cuda* ]]; then
       CUDA_ENABLE_CMD="--with-cuda=$CUDA_ROOT"
    fi
    echo "kokkos options: ${KOKKOS_OPTIONS}"
    echo "kokkos devices: ${LOCAL_KOKKOS_DEVICES}"
    echo "kokkos cxx: ${cxxflags}"

    # KOKKOS_OPTIONS and KOKKOS_CUDA_OPTIONS are exported and detected by kokkos' generate_makefile.sh during install of kokkos; we pass them to the reproducer script instructions
    echo "  #   Use generate_makefile line below to call cmake which generates makefile for this build:" &> call_generate_makefile.sh
    echo "        ${KOKKOS_PATH}/generate_makefile.bash --with-devices=$LOCAL_KOKKOS_DEVICES $ARCH_FLAG --compiler=$(which $compiler_exe) --cxxflags=\"$cxxflags\" --cxxstandard=\"$cxx_standard\" --ldflags=\"$ldflags\" $CUDA_ENABLE_CMD --kokkos-path=${KOKKOS_PATH} --with-options=${KOKKOS_OPTIONS} --with-cuda-options=${KOKKOS_CUDA_OPTIONS} --no-examples ${KOKKOS_BOUNDS_CHECK} ${KOKKOS_DEPRECATED_CODE} ${KOKKOS_DEPRECATED_CODE_WARNINGS} $extra_args" &>> call_generate_makefile.sh

    # store script command with generic path for faster copy/paste of reproducer into issues
    echo "        \$KOKKOS_PATH/generate_makefile.bash --with-devices=$LOCAL_KOKKOS_DEVICES $ARCH_FLAG --compiler=$(which $compiler_exe) --cxxflags=\"$cxxflags\" --cxxstandard=\"$cxx_standard\" --ldflags=\"$ldflags\" $CUDA_ENABLE_CMD --kokkos-path=\$KOKKOS_PATH --with-options=${KOKKOS_OPTIONS} --with-cuda-options=${KOKKOS_CUDA_OPTIONS} ${KOKKOS_BOUNDS_CHECK} --no-examples ${KOKKOS_DEPRECATED_CODE} ${KOKKOS_DEPRECATED_CODE_WARNINGS} $extra_args" &> call_generate_makefile_genericpath.sh

    run_cmd ${KOKKOS_PATH}/generate_makefile.bash --with-devices=$LOCAL_KOKKOS_DEVICES $ARCH_FLAG --compiler=$(which $compiler_exe) --cxxflags=\"$cxxflags\" --cxxstandard=\"$cxx_standard\" --ldflags=\"$ldflags\" $CUDA_ENABLE_CMD --kokkos-path=${KOKKOS_PATH} ${KOKKOS_BOUNDS_CHECK} --no-examples ${KOKKOS_DEPRECATED_CODE} ${KOKKOS_DEPRECATED_CODE_WARNINGS} $extra_args &>> ${desc}.configure.log || { report_and_log_test_result 1 ${desc} configure && return 0; }
    local make_par_lvl=12
    local -i build_start_time=$(date +%s)
    run_cmd make -j  $make_par_lvl all >& ${desc}.build.log || { report_and_log_test_result 1 ${desc} build && return 0; }
    local -i build_end_time=$(date +%s)
    comment="build_time=$(($build_end_time-$build_start_time))"

    if [[ "$BUILD_ONLY" == False ]]; then
      run_cmd ctest --timeout ${CTESTTIMEOUT} -V  --output-on-failure >& ${desc}.test.log || { report_and_log_test_result 1 ${desc} test && return 0; }
      local -i run_end_time=$(date +%s)
      comment="$comment run_time=$(($run_end_time-$build_end_time))"
    fi
  fi

  report_and_log_test_result 0 $desc "$comment"

  return 0
}

# wait_for_jobs <NUM-JOBS>
wait_for_jobs() {
  local -i max_jobs=$1
  local -i num_active_jobs=$(jobs | wc -l)
  while [ $num_active_jobs -ge $max_jobs ]
  do
    sleep 1
    num_active_jobs=$(jobs | wc -l)
    jobs >& /dev/null
  done
}

# run_in_background <COMPILER> <BUILD> <BUILD_TYPE>
run_in_background() {
  local compiler=$1

  local -i num_jobs=$NUM_JOBS_TO_RUN_IN_PARALLEL
  # Don't override command line input.
  # if [[ "$BUILD_ONLY" == True ]]; then
  #   num_jobs=8
  # else
    if [[ "$compiler" == cuda* ]]; then
      num_jobs=1
    fi
    if [[ "$compiler" == clang ]]; then 
      num_jobs=1
    fi
  # fi
  wait_for_jobs $num_jobs

  single_build_and_test $* &
}

# build_and_test_all <COMPILER>
build_and_test_all() {
  # Get compiler data.
  local compiler=$1
  if [ -z "$CUSTOM_BUILD_LIST" ]; then
    local compiler_build_list=$(get_compiler_build_list $compiler)
  else
    local compiler_build_list=$(echo "$CUSTOM_BUILD_LIST" | tr , ' ')
  fi

  # Do builds.
  local build
  for build in $compiler_build_list
  do
    run_in_background $compiler $build $BUILD_TYPE

    # If not cuda, do a hwloc test too.
    if [[ "$compiler" != cuda* && "$SKIP_HWLOC" == False ]]; then
      run_in_background $compiler $build "hwloc-$BUILD_TYPE"
    fi
  done

  return 0
}

get_test_root_dir() {
  local existing_results=$(find . -maxdepth 1 -name "$RESULT_ROOT_PREFIX*" | sort)
  local -i num_existing_results=$(echo $existing_results | tr ' ' '\n' | wc -l)
  local -i num_to_delete=${num_existing_results}-${NUM_RESULTS_TO_KEEP}

  if [ $num_to_delete -gt 0 ]; then
    /bin/rm -rf $(echo $existing_results | tr ' ' '\n' | head -n $num_to_delete)
  fi

  echo $(pwd)/${RESULT_ROOT_PREFIX}_$(date +"%Y-%m-%d_%H.%M.%S")
}

wait_summarize_and_exit() {
  wait_for_jobs 1

  echo "#######################################################"
  echo "PASSED TESTS"
  echo "#######################################################"

  local passed_test
  for passed_test in $(\ls -1 $PASSED_DIR | sort)
  do
    echo $passed_test $(cat $PASSED_DIR/$passed_test)
  done

  local -i rv=0
  if [ "$(ls -A $FAILED_DIR)" ]; then
    echo "#######################################################"
    echo "FAILED TESTS"
    echo "#######################################################"

    local failed_test
    for failed_test in $(\ls -1 $FAILED_DIR | sort)
    do
      echo $failed_test "("$(cat $FAILED_DIR/$failed_test)" failed)"
      rv=$rv+1

      local str=$failed_test
      local comp=$(echo "$str" | cut -d- -f1)
      local vers=$(echo "$str" | cut -d- -f2)
      local lbuild=$(echo "$str" | cut -d- -f3-)
      # Generate reproducer instructions
      #local filename=reproducer_instructions-$comp-$vers-$lbuild
      local faildir=$ROOT_DIR/$comp/$vers/$lbuild
      # Output reproducer instructions
      echo "#######################################################"
      echo "  # Reproducer instructions:"
      cat $faildir/reload_modules.sh
      cat $faildir/call_generate_makefile_genericpath.sh
      echo ""
      echo "  #  To reload modules, reconfigure, rebuild, and retest directly from this failing build do the following:"
      echo "      # Move to the build directory"
      echo "        cd $faildir"
      echo "      # To reload modules"
      echo "        source ./reload_modules.sh"
      echo "      # To reconfigure"
      echo "        ./call_generate_makefile.sh"
      echo "      # To rebuild"
      echo "        make -j"
      echo "      # To retest"
      echo "        ctest -V"
      echo "#######################################################"
    done
  fi

  exit $rv
}

#
# Main.
#

CM_ALL_SCRIPT=$0
CM_ALL_SCRIPT_PATH=$(cd `dirname $CM_ALL_SCRIPT` && pwd)

ROOT_DIR=$(get_test_root_dir)
mkdir -p $ROOT_DIR
cd $ROOT_DIR

PASSED_DIR=$ROOT_DIR/results/passed
FAILED_DIR=$ROOT_DIR/results/failed
mkdir -p $PASSED_DIR
mkdir -p $FAILED_DIR

echo "Going to test compilers: " $COMPILERS_TO_TEST
for COMPILER in $COMPILERS_TO_TEST; do
  echo "Testing compiler $COMPILER"
  build_and_test_all $COMPILER
done

wait_summarize_and_exit