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#!/bin/bash -e
export RELEASE=1

if ! [ -e scripts/release.sh ]; then
  echo >&2 "Please run scripts/release.sh from the repo root"
  exit 1
fi

update_version() {
  echo "$(node -p "p=require('./${1}');p.version='${2}';JSON.stringify(p,null,2)")" > $1
  echo "Updated ${1} version to ${2}"
}

validate_semver() {
  if ! [[ $1 =~ ^[0-9]\.[0-9]+\.[0-9](-.+)? ]]; then
    echo >&2 "Version $1 is not valid! It must be a valid semver string like 1.0.2 or 2.3.0-beta.1"
    exit 1
  fi
}

current_version=$(node -p "require('./package').version")

printf "Next version (current is $current_version)? "
read next_version

validate_semver $next_version

next_ref="v$next_version"

npm test

update_version 'package.json' $next_version

git commit -am "Version $next_version"

# push first to make sure we're up-to-date
git push origin master

git tag $next_ref
git tag latest -f

git push origin $next_ref
git push origin latest -f

node scripts/build.js

npm publish