#!/bin/sh

cd "$( dirname "${BASH_SOURCE[0]}" )/../website"

# Check that directory is clean
if [ $(git status --porcelain | wc -l) != "0" ]; then
  echo -e "\033[0;31m" 1>&2 # Red
  echo "We cannot push the generated docs unless the working directory is" 1>&2
  echo "clean.  Either commit your changes, stash them, or generate the" 1>&2
  echo "docs manually by running gulp in /website/ and push them to" 1>&2
  echo "gh-pages at a later date" 1>&2
  echo -e "\033[0m" 1>&2 # Normal color
  exit 1
fi

# Switch to the branch were the version was bumped
VERSION=$(node ../scripts/get-version.js)
EXEC_BRANCH=$(git rev-parse --abbrev-ref HEAD)
git checkout "${VERSION}"
if [ $? -ne 0 ]; then
  echo -e "\033[0;31m" 1>&2 # Red
  echo "The package.json file indicates that the current version is" 1>&2
  echo "\"${VERSION}\", but there is no corresponding git tag" 1>&2
  echo -e "\033[0m" 1>&2 # Normal Color
  exit 1
fi


# Generate files
npm run build
if [ $? -ne 0 ]; then
  echo -e "\033[0;31m" 1>&2 # Red
  echo "Build failed. Try running 'npm install' in /website/." 1>&2
  echo -e "\033[0m" 1>&2 # Normal Color
  exit 1
fi

# Transfer files to gh-pages
cd ".."
git branch -D gh-pages
git branch gh-pages
git checkout gh-pages
git pull https://github.com/angular/protractor.git gh-pages:gh-pages -f
git reset --hard
cp -r website/build/* .
git add -A
git commit -m "chore(website): automatic docs update for ${VERSION}"
echo -e "\033[0;32m" # Green
echo "Created update commit in gh-pages branch"
echo -e "\033[0m" 1>&2 # Normal Color
git checkout "${EXEC_BRANCH}"