name: Retrieve version
description: Uses the tags and git commit to find a unique version and sets it as NEW_VERSION
author: Skydust

inputs:
  semver:
    description: "The semver type to use if this is a release"
    required: false
    default: ""

runs:
  using: composite
  steps:
    - name: Getting version
      shell: bash
      run: |
        if [[ -n "${{ inputs.semver }}" ]]]]; then
          SEMVER_UPDATE="${{ inputs.semver }}"
        fi
        
        if [[ -n "${SEMVER_UPDATE}" ]]; then
          last_version="$(git describe --tags --abbrev=0 --match "v*" 2> /dev/null || echo "")"
          if [[ -z "$last_version" ]]; then
            last_version="v0.0.0"
          fi
          last_version="${last_version:1}"
          log_info "Last version: ${last_version}"
          
          # Split the version into components
          IFS='.' read -r major minor patch <<< "${last_version%%-*}"
          
          # Increment the appropriate part of the version
          case "${SEMVER_UPDATE}" in
          "Major"*) NEW_VERSION="$((major + 1)).0.0"
          ;;
          "Minor"*) NEW_VERSION="$major.$((minor + 1)).0"
          ;;
          "Patch"*) NEW_VERSION="$major.$minor.$((patch + 1))"
          ;;
          esac
          
          log_info "Requested ${SEMVER_UPDATE} update"
          log_info "New version: ${NEW_VERSION}"
          
          NEW_VERSION="v${NEW_VERSION}"
        elif [[ "${{ github.ref }}" == refs/tags/* ]]; then
          NEW_VERSION="${GITHUB_REF##refs/tags/}"
          log_info "This is a tag push: $(yellow)${NEW_VERSION}"
        else
          log_info "This is a branch push: $(yellow)${GITHUB_REF##refs/heads/}"
        
          last_version="$(git describe --tags --abbrev=0 --match "v*" 2> /dev/null || echo "")"
          if [[ -z "$last_version" ]]; then
            last_version="v0.0.0"
          fi
        
          calculatedSha="$(git rev-parse --short ${{ github.sha }})"
          NEW_VERSION="${last_version}-${calculatedSha}"
        fi
        
        # Removing the v
        NEW_VERSION="${NEW_VERSION:1}"
        
        log_info "New version: $(yellow)${NEW_VERSION}"
        log_info "Exported version in env var $(yellow)NEW_VERSION"
        echo "NEW_VERSION=${NEW_VERSION}" >> $GITEA_ENV