name: "Set Version"
description: "Generates a date-based build version, creates a git tag and uploads version artifact"

inputs:
  version_suffix:
    description: "Suffix for version (e.g. dev, alpha, beta)"
    required: false
    default: ""
  suffix_separator:
    description: "Separator between version and suffix (either '.' or '-')"
    required: false
    default: "-"

runs:
  using: "composite"
  steps:
    - name: Checkout Repository
      uses: https://github.com/actions/checkout@v3
      with:
        token: ${{ env.CI_ACCESS_TOKEN }}

    - name: Fetch Tags
      shell: bash
      run: |
        git fetch --tags

    - name: Calculate Version
      shell: bash
      run: |
        DATE=$(date +'%Y.%m.%d')
        TAG_COUNT=$(git tag -l "${DATE}.*" | wc -l)

        if [ "$TAG_COUNT" -eq 0 ]; then
          BUILD_NUMBER=0
        else
          BUILD_NUMBER=$(($TAG_COUNT + 1))
        fi

        VERSION_SUFFIX="${{ inputs.version_suffix }}"
        SUFFIX_SEPARATOR="${{ inputs.suffix_separator }}"

        if [ -n "$VERSION_SUFFIX" ]; then
          BUILD_VERSION="${DATE}.${BUILD_NUMBER}${SUFFIX_SEPARATOR}${VERSION_SUFFIX}"
        else
          BUILD_VERSION="${DATE}.${BUILD_NUMBER}"
        fi

        echo "$BUILD_VERSION" > version.txt
        echo "VERSION=$BUILD_VERSION" >> $GITHUB_ENV
        echo "Generated version: $BUILD_VERSION"

    - name: Create Git Tag
      shell: bash
      run: |
        git config user.name "ci"
        git config user.email "dev@sh-edraft.de"

        git tag "$VERSION"
        git push origin "$VERSION"

    - name: Upload Version Artifact
      uses: https://github.com/actions/upload-artifact@v3
      with:
        name: version
        path: version.txt