#!/usr/bin/env bash
#------------------------------------------------------------------------------#
# This file is part of the PALM model system.
#
# PALM is free software: you can redistribute it and/or modify it under the terms
# of the GNU General Public License as published by the Free Software Foundation,
# either version 3 of the License, or (at your option) any later version.
#
# PALM is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
# A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along with
# PALM. If not, see <http://www.gnu.org/licenses/>.
#
# Copyright 2018-2021  Leibniz Universitaet Hannover
#------------------------------------------------------------------------------#
#
# Current revisions:
# ------------------
#
#
# Former revisions:
# -----------------
# $Id: palm_find_lowest_available_log_point_index 4843 2021-01-15 15:22:11Z banzhafs $
# Initial revision
#
#------------------------------------------------------------------------------#
# palm_find_lowest_available_log_point_index does what its name indicates
#------------------------------------------------------------------------------#
SOURCE="${BASH_SOURCE[0]}"
while [ -h "$SOURCE" ]; do # resolve $SOURCE until the file is no longer a symlink
  DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
  SOURCE="$(readlink "$SOURCE")"
  # if $SOURCE was a relative symlink, we need to resolve it
  # relative to the path where the symlink file was located
  [[ $SOURCE != /* ]] && SOURCE="$DIR/$SOURCE"
done
SCRIPT_LOCATION="$( cd -P "$( dirname "$SOURCE" )" && pwd )"

working_dir=$(readlink -f "${SCRIPT_LOCATION}/../../")
trunk_dir=$(readlink -f "${SCRIPT_LOCATION}/../")

contains() {
    [[ ${1} =~ (^|[[:space:]])${2}($|[[:space:]]) ]] && return 0 || return 1
}

all_found_log_point=$(grep -P "CALL +cpu_log\( +log_point\(" ${trunk_dir}/SOURCE/* \
      | grep -oP "(?<!\d)\d+(?!\d)" | sort -n | uniq \
      | grep -oP "(?<!\d)\d+(?!\d)")

log_point_size=$(grep -oP "TYPE\(logpoint\), DIMENSION\(\d+\) ::  log_point =" \
      ${trunk_dir}/SOURCE/cpulog_mod.f90 \
      | grep -oP "(?<!\d)\d+(?!\d)")

for n in $(seq 1 ${log_point_size}) ; do
   if ! contains "$all_found_log_point" "$n"; then
     echo "log_point($n)   is the lowest available log_point   index."
     break
   fi
   if [[ ${n} -ge ${log_point_size} ]]; then
      echo "ERROR: array log_point (size: ${log_point_size}) is full. " \
           "Please increase its size in file \"cpulog_mod.f90\"."
   fi
done


all_found_log_point_s=$(grep -P "CALL +cpu_log\( +log_point_s\(" ${trunk_dir}/SOURCE/* \
      | grep -oP "(?<!\d)\d+(?!\d)" | sort -n | uniq \
      | grep -oP "(?<!\d)\d+(?!\d)")

log_point_s_size=$(grep -oP "TYPE\(logpoint\), DIMENSION\(\d+\) ::  log_point_s =" \
      ${trunk_dir}/SOURCE/cpulog_mod.f90 \
      | grep -oP "(?<!\d)\d+(?!\d)")

for n in $(seq 1 ${log_point_s_size}) ; do
   if ! contains "$all_found_log_point_s" "$n"; then
     echo "log_point_s($n) is the lowest available log_point_s index."
     break
   fi
   if [[ ${n} -ge ${log_point_s_size} ]]; then
      echo "ERROR: array log_point_s (size: ${log_point_s_size}) is full. " \
           "Please increase its size in file \"cpulog_mod.f90\"."
   fi
done