#!/bin/sh -x
# Copyright (C) Viktor Szakats
#
# SPDX-License-Identifier: curl

# shellcheck disable=SC2086

set -eu

cd "$(dirname "$0")"

mode="${1:-all}"; shift

cmake_consumer="${TEST_CMAKE_CONSUMER:-cmake}"
cmake_provider="${TEST_CMAKE_PROVIDER:-${cmake_consumer}}"

gen="${TEST_CMAKE_GENERATOR:-Ninja}"

cmake_opts='-DBUILD_CURL_EXE=OFF -DBUILD_LIBCURL_DOCS=OFF -DBUILD_MISC_DOCS=OFF -DENABLE_CURL_MANUAL=OFF'

src='../..'

runresults() {
  set +x
  for bin in "$1"/test-consumer*; do
    file "${bin}" || true
    ${TEST_CMAKE_EXE_RUNNER:-} "${bin}" || true
  done
  set -x
}

if [ "${mode}" = 'all' ] || [ "${mode}" = 'ExternalProject' ]; then
  (cd "${src}"; git archive --format=tar HEAD) | gzip > source.tar.gz
  src="${PWD}/source.tar.gz"
  sha="$(sha256sum "${src}" | grep -a -i -o -w -E '[0-9a-f]{64}')"
  bldc='bld-externalproject'
  rm -rf "${bldc}"
  "${cmake_consumer}" -B "${bldc}" -G "${gen}" ${TEST_CMAKE_FLAGS:-} -DCURL_TEST_OPTS="${cmake_opts} -DCMAKE_UNITY_BUILD=ON $*" \
    -DTEST_INTEGRATION_MODE=ExternalProject \
    -DFROM_ARCHIVE="${src}" -DFROM_HASH="${sha}"
  "${cmake_consumer}" --build "${bldc}" --verbose
  runresults "${bldc}"
fi

if [ "${mode}" = 'all' ] || [ "${mode}" = 'FetchContent' ]; then
  src="${PWD}/${src}"
  bldc='bld-fetchcontent'
  rm -rf "${bldc}"
  "${cmake_consumer}" -B "${bldc}" -G "${gen}" ${cmake_opts} -DCMAKE_UNITY_BUILD=ON ${TEST_CMAKE_FLAGS:-} "$@" \
    -DTEST_INTEGRATION_MODE=FetchContent \
    -DFROM_GIT_REPO="${src}" \
    -DFROM_GIT_TAG="$(git rev-parse HEAD)"
  "${cmake_consumer}" --build "${bldc}" --verbose
  PATH="${bldc}/_deps/curl-build/lib:${PATH}"
  runresults "${bldc}"
fi

if [ "${mode}" = 'all' ] || [ "${mode}" = 'add_subdirectory' ]; then
  rm -rf curl
  if ! ln -s "${src}" curl; then
    rm -rf curl; mkdir curl; (cd "${src}"; git archive --format=tar HEAD) | tar -x --directory=curl  # for MSYS2/Cygwin
  fi
  bldc='bld-add_subdirectory'
  rm -rf "${bldc}"
  "${cmake_consumer}" -B "${bldc}" -G "${gen}" ${cmake_opts} -DCMAKE_UNITY_BUILD=ON ${TEST_CMAKE_FLAGS:-} "$@" \
    -DTEST_INTEGRATION_MODE=add_subdirectory
  "${cmake_consumer}" --build "${bldc}" --verbose
  PATH="${bldc}/curl/lib:${PATH}"
  runresults "${bldc}"
fi

if [ "${mode}" = 'all' ] || [ "${mode}" = 'find_package' ]; then
  src="${PWD}/${src}"
  bldp='bld-curl'
  prefix="${PWD}/${bldp}/_pkg"
  rm -rf "${bldp}"
  "${cmake_provider}" -B "${bldp}" -S "${src}" -G "${gen}" ${cmake_opts} -DCMAKE_UNITY_BUILD=ON ${TEST_CMAKE_FLAGS:-} ${TEST_CMAKE_FLAGS_PROVIDER:-} "$@" \
    -DBUILD_SHARED_LIBS=ON \
    -DBUILD_STATIC_LIBS=ON \
    -DCMAKE_INSTALL_PREFIX="${prefix}"
  "${cmake_provider}" --build "${bldp}" --verbose
  "${cmake_provider}" --install "${bldp}"
  echo '::group::libcurl.pc'; cat "${prefix}"/lib/pkgconfig/*.pc || true; echo '::endgroup::'
  echo '::group::curl-config.cmake'; cat "${prefix}"/lib/cmake/CURL/CURL* || true; echo '::endgroup::'
  echo '::group::curl-config'; cat "${prefix}"/bin/curl-config || true; echo '::endgroup::'
  bldc='bld-find_package'
  rm -rf "${bldc}"
  "${cmake_consumer}" -B "${bldc}" -G "${gen}" ${TEST_CMAKE_FLAGS:-} ${TEST_CMAKE_FLAGS_CONSUMER:-} \
    -DTEST_INTEGRATION_MODE=find_package \
    -DCMAKE_PREFIX_PATH="${prefix}/lib/cmake/CURL"
  "${cmake_consumer}" --build "${bldc}" --verbose
  PATH="${prefix}/bin:${PATH}"
  runresults "${bldc}"
fi