name: Version Change Before Release

on:
  pull_request:
    branches:
      - master

jobs:
  check-version:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          ref: ${{ github.head_ref }}
          fetch-depth: 0

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '18'

      - name: Get PR Branch version
        run: echo "PR_VERSION=$(node -p "require('./package.json').version")" >> $GITHUB_ENV

      - name: Fetch base branch
        run: git fetch origin master:master

      - name: Get Master Branch version
        run: |
          git checkout master
          echo "MASTER_VERSION=$(node -p "require('./package.json').version")" >> $GITHUB_ENV

      - name: Get master branch version and compare
        run: |
          echo "Comparing versions: PR version is $PR_VERSION, Master version is $MASTER_VERSION"
          if [ "$PR_VERSION" == "$MASTER_VERSION" ]; then
            echo "Version in PR branch is the same as in master. Failing the CI."
            exit 1
          else
            echo "Version check passed. Versions are different."
          fi
        env:
          PR_VERSION: ${{ env.PR_VERSION }}
          MASTER_VERSION: ${{ env.MASTER_VERSION }}