#!/usr/bin/env bash

## START STANDARD BUILD SCRIPT INCLUDE
# adjust relative paths as necessary
THIS_SCRIPT="$(readlink -f "${BASH_SOURCE[0]}")"
. "${THIS_SCRIPT%/*}/../../resources/build/builder-full.inc.sh"
## END STANDARD BUILD SCRIPT INCLUDE

################################ Main script ################################

builder_describe \
  "Build keyman-system-service." \
  ":service" \
  "clean" \
  "configure" \
  "build" \
  "test" \
  "install                   install artifacts" \
  "uninstall                 uninstall artifacts" \
  "--no-integration          don't run integration tests" \
  "--report                  create coverage report" \
  "--coverage                capture test coverage" \
  "--no-werror               don't report warnings as errors"

builder_parse "$@"

if builder_has_action configure; then
  # Import our standard compiler defines
  source "$KEYMAN_ROOT/resources/build/meson/standard_meson_build.inc.sh"
  standard_meson_build

  # TODO: it would be cleaner to split this from the standard.meson.build file/folder
  cat "${THIS_SCRIPT_PATH}/resources/meson.build.in" >> "${THIS_SCRIPT_PATH}/resources/meson.build"
fi

if builder_is_debug_build; then
  MESON_TARGET=debug
  export CPPFLAGS=-DG_MESSAGES_DEBUG
  export CFLAGS="-O0"
  export CXXFLAGS="-O0"
else
  MESON_TARGET=release
fi
MESON_PATH="build/$(uname -m)/$MESON_TARGET"

MESON_ARGS=--werror
if builder_has_option --no-werror; then
  MESON_ARGS=
fi

clean_action() {
  rm -rf "$THIS_SCRIPT_PATH/build/"
}

check_missing_coverage_configuration() {
  if builder_has_option --coverage && [ -d "$MESON_PATH" ]; then
    # It's possible that we got configured because we're a dependency of ibus-keyman
    # in which case the `--coverage` option wasn't passed along.
    cd "$MESON_PATH"
    if ! ninja -t targets | grep -q coverage-html ; then
      cd "$THIS_SCRIPT_PATH"
      clean_action
    fi
    cd "$THIS_SCRIPT_PATH"
  fi
}

configure_action() {
  # shellcheck disable=SC2086,SC2154,SC2248
  meson setup ${MESON_COVERAGE} ${MESON_ARGS} --buildtype ${MESON_TARGET} "${builder_extra_params[@]}" "${MESON_PATH}"
}

test_action() {
  # shellcheck disable=SC2086,SC2154
  meson test --print-errorlogs ${builder_verbose}
  if builder_has_option --coverage; then
    # Note: requires lcov > 1.16 to properly work (see https://github.com/mesonbuild/meson/issues/6747)
    ninja coverage-html
  fi
}

check_missing_coverage_configuration

builder_describe_outputs \
  configure "${MESON_PATH}/build.ninja" \
  build "${MESON_PATH}/src/keyman-system-service"

if builder_has_option --coverage; then
  MESON_COVERAGE=-Db_coverage=true
else
  MESON_COVERAGE=
fi

builder_run_action clean       clean_action
builder_run_action configure   configure_action

[[ -d "${MESON_PATH}" ]] && cd "${MESON_PATH}"

builder_run_action build       ninja
builder_run_action test        test_action
builder_run_action install     ninja install
builder_run_action uninstall   ninja uninstall
