name: Merge 3.3.x into master

on:
    push:
        branches:
            - 3.3.x

jobs:
    merge-branch:
        runs-on: ubuntu-latest

        steps:
            - uses: actions/create-github-app-token@v1
              id: app-token
              with:
                  app-id: ${{ vars.MERGE_MASTER_APP_ID }}
                  private-key: ${{ secrets.MERGE_MASTER_SECRET }}

            - name: Checkout the repository
              uses: actions/checkout@v4
              with:
                  fetch-depth: 0  # Fetch full history for proper merging
                  ref: 3.3.x      # Checkout the 3.3.x branch
                  token: ${{ steps.app-token.outputs.token }}

            - name: Fetch the latest commit information
              id: get-commit-info
              run: |
                  # Get the latest commit SHA and its author details
                  COMMIT_SHA=$(git rev-parse HEAD)
                  COMMIT_AUTHOR_NAME=$(git log -1 --pretty=format:'%an' $COMMIT_SHA)
                  COMMIT_AUTHOR_EMAIL=$(git log -1 --pretty=format:'%ae' $COMMIT_SHA)

                  # Save them as output for later steps
                  echo "commit_sha=$COMMIT_SHA" >> $GITHUB_ENV
                  echo "commit_author_name=$COMMIT_AUTHOR_NAME" >> $GITHUB_ENV
                  echo "commit_author_email=$COMMIT_AUTHOR_EMAIL" >> $GITHUB_ENV

            - name: Set up Git with the pull request author's info
              run: |
                  git config --global user.name "${{ env.commit_author_name }}"
                  git config --global user.email "${{ env.commit_author_email }}"

            - name: Fetch all branches
              run: git fetch --all

            - name: Merge 3.3.x into master
              run: |
                  git checkout master
                  if git merge --no-ff 3.3.x; then
                      echo "merge_failed=false" >> $GITHUB_ENV
                  else
                      echo "merge_failed=true" >> $GITHUB_ENV
                  fi

            - name: Push changes to master if merge was successful
              if: env.merge_failed == 'false'
              run: git push origin master
              env:
                  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}