name: Bump release version
on:
  pull_request:
    branches: [rolling]
    types:
      - closed

permissions:
  contents: write

concurrency: production

jobs:
  build:
    name: Create Release  
    if: github.event.pull_request.merged == true
    runs-on: ubuntu-latest
    steps:
      - name: Taking the Latest Release Tag number
        id: releaseVersion
        run: |
              repo="${{ github.repository }}"
              latest_release=$(curl -s "https://api.github.com/repos/$repo/releases" | jq -r '.[0].name' )
              latest_tag=$(curl -s "https://api.github.com/repos/$repo/tags" | jq -r '.[0].tag_name')

              
              if [ -z "$latest_release" ] && [ -z "$latest_tag" ]; then
                echo "No releases or tags found. Setting default version to 0.1.0"
                Release_tag="v0.1.0"
              elif [ -z "$latest_release" ]; then
                echo "No releases found. Using latest tag version."
                Release_tag=$latest_tag
              elif [ -z "$latest_tag" ]; then
                echo "No tags found. Using latest release version."
                Release_tag=$latest_release
              elif [[ "$latest_release" > "$latest_tag" ]]; then
                echo "Latest release is newer. Using release version."
                Release_tag=$latest_release
              else
                echo "Latest tag is newer. Using tag version."
                Release_tag=$latest_tag
              fi
              
              echo "::set-output name=Release_tag::$Release_tag"
                
      - name: Checkout code
        uses: actions/checkout@v2
        
      - name: Bumping Major Index
        id: bump_version_major
        if: contains(github.event.pull_request.title, 'major')
        uses: christian-draeger/increment-semantic-version@1.1.0
        with:
          current-version: ${{ steps.releaseVersion.outputs.Release_tag }}
          version-fragment: 'major'
                    
      - name: Bumping Minor Index
        id: bump_version_minor
        if: contains(github.event.pull_request.title, 'feat') 

        uses: christian-draeger/increment-semantic-version@1.1.0
        with:
          current-version: ${{ steps.releaseVersion.outputs.Release_tag }}
          version-fragment: 'feature'
          
      - name: Bumping Patch Index 
        id: bump_version_patch
        if: |
            ${{ contains(github.event.pull_request.title, 'patch') ||
            contains(github.event.pull_request.title, 'build') ||
            contains(github.event.pull_request.title, 'chore') ||
            contains(github.event.pull_request.title, 'ci') ||
            contains(github.event.pull_request.title, 'docs') ||
            contains(github.event.pull_request.title, 'style') ||
            contains(github.event.pull_request.title, 'refactor') ||
            contains(github.event.pull_request.title, 'perf') ||
            contains(github.event.pull_request.title, 'test') }}
        uses: christian-draeger/increment-semantic-version@1.1.0
        with:
          current-version: ${{ steps.releaseVersion.outputs.Release_tag }}
          version-fragment: 'bug'
          
      - name: Create release version for bump_version_major
        env: 
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          create_release() {
          local version="${1}"
          if [ -n "${version}" ]; then
            version="V${version}"
          fi
          curl \
            -X POST \
            -H "Accept: application/vnd.github+json" \
            -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
            https://api.github.com/repos/${repo}/releases \
            -d '{"tag_name":"'"${version}"'","target_commitish":"'"${branch}"'","name":"'"${version}"'","body":"","draft":false,"prerelease":false,"generate_release_notes":true}'
          }

          repo=${{ github.repository }}
          branch=${{ github.head_ref }}

          # Check if steps are defined before calling create_release so we don't do unnecessary steps
          if [ -n "${{ steps.bump_version_major.outputs.next-version }}" ]; then
            create_release "${{ steps.bump_version_major.outputs.next-version }}"
          fi

          if [ -n "${{ steps.bump_version_minor.outputs.next-version }}" ]; then
            create_release "${{ steps.bump_version_minor.outputs.next-version }}"
          fi

          if [ -n "${{ steps.bump_version_patch.outputs.next-version }}" ]; then
            create_release "${{ steps.bump_version_patch.outputs.next-version }}"
          fi