#!/bin/sh

RELEASER_PATH=$(pwd)
PLUGIN_SLUG="woocommerce-gutenberg-products-block"
GITHUB_ORG="woocommerce"
IS_PRE_RELEASE=false

# Functions
# Check if string contains substring
is_substring() {
  case "$2" in
    *$1*)
      return 0
      ;;
    *)
      return 1
      ;;
  esac
}

# Output colorized strings
#
# Color codes:
# 0 - black
# 1 - red
# 2 - green
# 3 - yellow
# 4 - blue
# 5 - magenta
# 6 - cian
# 7 - white
output() {
  echo "$(tput setaf "$1")$2$(tput sgr0)"
}

if ! [ -x "$(command -v hub)" ]; then
  echo 'Error: hub is not installed. Install from https://github.com/github/hub' >&2
  exit 1
fi

# Release script
echo
output 5 "BLOCKS->GitHub RELEASE SCRIPT"
output 5 "============================="
echo
printf "This script will build files and create a tag on GitHub based on your local branch."
echo
echo
printf "The /build/ directory will also be pushed to the tagged release."
echo
echo
echo "Before proceeding:"
echo " • Ensure you have checked out the branch you wish to release"
echo " • Ensure you have committed/pushed all local changes"
echo " • Did you remember to update changelogs, the readme and plugin files?"
echo " • Are there any changes needed to the readme file?"
echo " • If you are running this script directly instead of via '$ npm run deploy', ensure you have built assets and installed composer in --no-dev mode."
echo
output 3 "Do you want to continue? [y/N]: "
read -r PROCEED
echo

if [ "$(echo "${PROCEED:-n}" | tr "[:upper:]" "[:lower:]")" != "y" ]; then
  output 1 "Release cancelled!"
  exit 1
fi
echo
output 3 "Please enter the version number to tag, for example, 1.0.0:"
read -r VERSION
echo

CURRENTBRANCH="$(git rev-parse --abbrev-ref HEAD)"

# Check if is a pre-release.
if is_substring "-" "${VERSION}"; then
    IS_PRE_RELEASE=true
	output 2 "Detected pre-release version!"
fi

# Version changes
output 2 "Updating version numbers in files..."
source $RELEASER_PATH/bin/version-changes.sh

output 2 "Committing version change..."
echo

git commit -am "Bumping version strings to new version." --no-verify
git push origin $CURRENTBRANCH

if [ ! -d "build" ]; then
	output 3 "Build directory not found. Aborting."
	exit 1
fi

printf "Ready to proceed? [y/N]: "
read -r PROCEED
echo

if [ "$(echo "${PROCEED:-n}" | tr "[:upper:]" "[:lower:]")" != "y" ]; then
  output 1 "Release cancelled!"
  exit 1
fi

output 2 "Starting release to GitHub..."
echo

# Create a release branch.
BRANCH="build/${VERSION}"
git checkout -b $BRANCH

# Force add build directory and commit.
git add build/. --force
git add .
git commit -m "Adding /build directory to release" --no-verify

# Force add vendor directory and commit.
git add vendor/. --force
git add .
git commit -m "Adding /vendor directory to release" --no-verify

# Push branch upstream
git push origin $BRANCH

# Create the new release.
if [ $IS_PRE_RELEASE = true ]; then
	hub release create -m $VERSION -m "Release of version $VERSION. See readme.txt for details." -t $BRANCH --prerelease "v${VERSION}"
else
	hub release create -m $VERSION -m "Release of version $VERSION. See readme.txt for details." -t $BRANCH "v${VERSION}"
fi

git checkout $CURRENTBRANCH
git branch -D $BRANCH
git push origin --delete $BRANCH

output 2 "GitHub release complete."