#!/usr/bin/env bash
set -euo pipefail

_gamma_profile_die() {
  echo "$1" >&2
  return 1 2>/dev/null || exit 1
}

_gamma_profile_prepend_path() {
  local _dir="$1"
  [ -d "${_dir}" ] || return 0
  case ":${PATH:-}:" in
    *":${_dir}:"*) ;;
    *) PATH="${_dir}:${PATH:-}" ;;
  esac
}

_gamma_profile_home=""
if [ -n "${PYINT_GAMMA_HOME:-}" ] && [ -d "${PYINT_GAMMA_HOME}" ]; then
  _gamma_profile_home="${PYINT_GAMMA_HOME}"
elif [ -n "${GAMMA_HOME:-}" ] && [ -d "${GAMMA_HOME}" ]; then
  _gamma_profile_home="${GAMMA_HOME}"
else
  for _candidate in \
    /usr/local/GAMMA_SOFTWARE-20240627 \
    /usr/local/GAMMA_SOFTWARE-* \
    /opt/GAMMA_SOFTWARE-*; do
    [ -d "${_candidate}" ] || continue
    _gamma_profile_home="${_candidate}"
    break
  done
fi

[ -n "${_gamma_profile_home}" ] || _gamma_profile_die "Gamma home not found."

export GAMMA_HOME="${_gamma_profile_home}"
export MSP_HOME="${GAMMA_HOME}/MSP"
export ISP_HOME="${GAMMA_HOME}/ISP"
export DIFF_HOME="${GAMMA_HOME}/DIFF"
export DISP_HOME="${GAMMA_HOME}/DISP"
export LAT_HOME="${GAMMA_HOME}/LAT"
export IPTA_HOME="${GAMMA_HOME}/IPTA"
export GEO_HOME="${GAMMA_HOME}/GEO"

for _gamma_dir in \
  "${MSP_HOME}/bin" \
  "${ISP_HOME}/bin" \
  "${DIFF_HOME}/bin" \
  "${DISP_HOME}/bin" \
  "${LAT_HOME}/bin" \
  "${IPTA_HOME}/bin" \
  "${GEO_HOME}/bin" \
  "${MSP_HOME}/scripts" \
  "${ISP_HOME}/scripts" \
  "${DIFF_HOME}/scripts" \
  "${DISP_HOME}/scripts" \
  "${LAT_HOME}/scripts" \
  "${IPTA_HOME}/scripts" \
  "${GEO_HOME}/scripts"; do
  _gamma_profile_prepend_path "${_gamma_dir}"
done

_gamma_profile_repo_root="$(cd "$(dirname "${BASH_SOURCE[0]}")/../../.." && pwd)"
_gamma_profile_pyint_dir="${_gamma_profile_repo_root}/third_party/PyINT/pyint"
_gamma_profile_python_dir="/home/administrator/miniconda3/envs/insar_wsl_v1/bin"
_gamma_profile_prepend_path "${_gamma_profile_python_dir}"
_gamma_profile_prepend_path "${_gamma_profile_pyint_dir}"

export PATH
export OS="linux64"
export HDF5_DISABLE_VERSION_CHECK="1"
export GNUTERM="${GNUTERM:-qt}"
export GAMMA_RASTER="${GAMMA_RASTER:-BMP}"
export PYTHONPATH=".:${GAMMA_HOME}${PYTHONPATH:+:${PYTHONPATH}}"

unset _candidate
unset _gamma_dir
unset _gamma_profile_home
unset _gamma_profile_python_dir
unset _gamma_profile_pyint_dir
unset _gamma_profile_repo_root
unset -f _gamma_profile_die
unset -f _gamma_profile_prepend_path

return 0 2>/dev/null || exit 0