# Copyright 2018 Oticon A/S
# SPDX-License-Identifier: Apache-2.0

function print_error_info(){
  echo -e "\033[0;31mFailure building ${app} ${conf_file} for ${BOARD}\033[0m\n\
  You can rebuild it with\n\
  ${cmake_cmd[@]} && ninja ${ninja_args}"
}

function compile(){
  : "${app:?app must be defined}"

  local app_root="${app_root:-${ZEPHYR_BASE}}"
  local conf_file="${conf_file:-prj.conf}"
  local conf_overlay="${conf_overlay:-""}"

  local cmake_args="${cmake_args:-"-DCONFIG_COVERAGE=y \
    -DCMAKE_EXPORT_COMPILE_COMMANDS=ON"}"
  local ninja_args="${ninja_args:-""}"
  local cc_flags="${cc_flags:-"-Werror"}"

  if [ "${conf_overlay}" ]; then
    local exe_name="${exe_name:-bs_${BOARD}_${app}_${conf_file}_${conf_overlay}}"
  else
    local exe_name="${exe_name:-bs_${BOARD}_${app}_${conf_file}}"
  fi

  local exe_name=${exe_name//\//_}
  local exe_name=${exe_name//./_}
  local exe_name=${BSIM_OUT_PATH}/bin/$exe_name
  local map_file_name=${exe_name}.Tsymbols

  if [ "${conf_overlay}" ]; then
    local this_dir=${WORK_DIR}/${app}/${conf_file}_${conf_overlay}
  else
    local this_dir=${WORK_DIR}/${app}/${conf_file}
  fi

  local modules_arg="${ZEPHYR_MODULES:+-DZEPHYR_MODULES=${ZEPHYR_MODULES}}"

  echo "Building $exe_name"

  local ret=0

  local cmake_cmd=(cmake -GNinja -DBOARD_ROOT=${BOARD_ROOT} -DBOARD=${BOARD} \
            -DCONF_FILE=${conf_file} -DOVERLAY_CONFIG=${conf_overlay} \
            ${modules_arg} \
            ${cmake_args} -DCMAKE_C_FLAGS=\"${cc_flags}\" ${app_root}/${app})

  # Set INCR_BUILD when calling to only do an incremental build
  if [ ! -v INCR_BUILD ] || [ ! -d "${this_dir}" ]; then
      [ -d "${this_dir}" ] && rm ${this_dir} -rf
      mkdir -p ${this_dir} && cd ${this_dir}
      ${cmake_cmd[@]} &> cmake.out || \
      { ret="$?"; print_error_info ; cat cmake.out && return $ret; }
  else
      cd ${this_dir}
  fi
  ninja ${ninja_args} &> ninja.out || \
  { ret="$?"; print_error_info ; cat ninja.out && return $ret; }
  cp ${this_dir}/zephyr/zephyr.exe ${exe_name}

  nm ${exe_name} | grep -v " [U|w] " | sort | cut -d" " -f1,3 > ${map_file_name}
  sed -i "1i $(wc -l ${map_file_name} | cut -d" " -f1)" ${map_file_name}
}