#!/usr/bin/env bash
set -eo pipefail
source shellenv


PATCH_DIR="$PWD/patches"
mkdir -p "$CODE_DIR"/{node,ruby}


checkout () {
  local dir="$1"
  local repo="$2"
  local patch="$PATCH_DIR/$repo.diff"

  if [[ ! -d "$dir" ]] ; then
    git clone "https://github.com/faye/$repo.git" "$dir"
  fi

  cd "$dir"
  git fetch origin
  git reset --hard @{u}
  git clean -ffdx

  if [[ -f "$patch" ]] ; then
    git apply "$patch"
  fi

  cd -
}


cd "$CODE_DIR/node"

install-node-modules () {
  local dir="$1"

  cd "$dir"
  rm -rf node_modules package-lock.json
  npm install --no-save
  cd -
}

checkout  websocket           faye-websocket-node
checkout  driver              websocket-driver-node
checkout  extensions          websocket-extensions-node
checkout  permessage-deflate  permessage-deflate-node

install-node-modules websocket
install-node-modules driver
install-node-modules extensions
install-node-modules permessage-deflate


link-repo () {
  local pkg="$1"
  local dir="$2"

  if [[ -d "$pkg" ]] ; then
    rm -rf "$pkg"
    ln -s "../../$dir" "$pkg"
  fi
}

cd driver/node_modules
link-repo permessage-deflate   permessage-deflate
link-repo websocket-extensions extensions
cd -

cd websocket/node_modules
link-repo permessage-deflate   permessage-deflate
link-repo websocket-driver     driver
link-repo websocket-extensions extensions
cd -


cd "$CODE_DIR/ruby"

RUBY_VERSIONS=(
  # ruby-1.9
  ruby-2.{3..7}
  ruby-3.{0..4}
  # jruby-1.7
  jruby-9.{1..4}
)

install-ruby-gems () {
  local dir="$1"

  cd "$dir"
  rm -f Gemfile.lock
  ruby -S bundle install
  cd -
}

for version in "${RUBY_VERSIONS[@]}" ; do
  mkdir -p "$version"
  chruby "$version"

  checkout  "$version/websocket"          faye-websocket-ruby
  checkout  "$version/driver"             websocket-driver-ruby
  checkout  "$version/extensions"         websocket-extensions-ruby
  checkout  "$version/permessage-deflate" permessage-deflate-ruby

  install-ruby-gems "$version/websocket"
  install-ruby-gems "$version/driver"
  install-ruby-gems "$version/extensions"
  install-ruby-gems "$version/permessage-deflate"
done