#!/usr/bin/env bash

compiler_kind="$1"

runner_os="$2"

target_abi="$3"

target_system_name="$4"

target_arch="$5"

set -e

if [[ -z "$GITHUB_OUTPUT" ]]; then

  echo "Error: This script should only be run in github actions environment"

  exit 1

fi

if [[ -z "${runner_os}" || -z "${target_abi}" || -z  "${target_arch}" ]]; then

  echo "Error: Not all required parameters where set"

  exit 1

fi

if [[ -z "${compiler_kind}" || "${compiler_kind}" == "default" ]]; then

  echo "compiler option was not set. Determining default compiler."

  if [[ "${runner_os}" == "Windows" ]]; then

    if [[ "${target_abi}" == "msvc" ]]; then

      compiler_kind=msvc

    elif [[ "${target_abi}" == "gnu" ]]; then

      compiler_kind=gcc

    else

      echo "Unknown abi for Windows: ${target_abi}"

      exit 1

    fi

  elif [[ "${runner_os}" == "macOS" ]]; then

    compiler_kind="clang"

  elif [[ "${runner_os}" == "Linux" ]]; then

    compiler_kind="gcc"

  else

    echo "Unknown Runner OS: ${runner_os}"

    exit 1

  fi

fi

echo "Compiler Family: '${compiler_kind}'"

if [[ "${compiler_kind}" == "clang" ]]; then

  c_compiler="clang"

  cxx_compiler="clang++"

elif [[ "${compiler_kind}" == "msvc" ]]; then

  c_compiler="cl"

  cxx_compiler="cl"

elif [[ "${compiler_kind}" == "gcc" ]]; then

  if [[ -z "${target_system_name}" ]]; then

    c_compiler="gcc"

    cxx_compiler="g++"

  else

    c_compiler="${target_arch}-linux-gnu-gcc"

    cxx_compiler="${target_arch}-linux-gnu-g++"

  fi

fi

echo "Chose C compiler: '${c_compiler}'"

echo "Chose C++ compiler: '${cxx_compiler}'"

echo "c_compiler=-DCMAKE_C_COMPILER=${c_compiler}" >> $GITHUB_OUTPUT

echo "cxx_compiler=-DCMAKE_CXX_COMPILER=${cxx_compiler}" >> $GITHUB_OUTPUT