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

repo_root="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
source "${repo_root}/tools/web/emscripten-env.sh"

configure_variant() {
  local name="$1"
  local threads="$2"
  local build_dir="${repo_root}/build_web-${name}"
  local configure_args=(
    -S "${repo_root}/web/engine"
    -B "${build_dir}"
    -G Ninja
    -DCMAKE_BUILD_TYPE=Release
    -DWEB_ENGINE_THREADS="${threads}"
  )
  if [[ "${WEB_ENGINE_FORCE_RECONFIGURE:-0}" == "1" ]]; then
    configure_args=(--fresh "${configure_args[@]}")
  fi
  emcmake cmake "${configure_args[@]}"
  cmake --build "${build_dir}" --target web_engine --parallel "${WEB_BUILD_JOBS:-$(bash "${repo_root}/tools/web/compute-build-jobs.sh")}"
  test -s "${build_dir}/web_engine.js"
  test -s "${build_dir}/web_engine.wasm"
  printf '%s variant ok: %s\n' "${name}" "${build_dir}"
}

configure_variant single OFF
configure_variant pthread ON