name: "Determine Build Metadata"
description: "Extract repository metadata and build configuration from GitHub context"
author: "Portfolio CI/CD"

inputs:
  repository:
    description: "Repository name in format owner/repo"
    required: true
  github-ref:
    description: "GitHub ref (e.g., refs/heads/main, refs/tags/v1.0.0)"
    required: true

outputs:
  repo-name:
    description: "Repository name only (without owner)"
    value: ${{ steps.meta.outputs.repo-name }}
  repo-path:
    description: "Server deployment path"
    value: ${{ steps.meta.outputs.repo-path }}
  prod:
    description: "Whether this is a production build (true/false)"
    value: ${{ steps.meta.outputs.prod }}

runs:
  using: "composite"
  steps:
    - name: Extract metadata
      id: meta
      shell: bash
      run: |
        set -eu -o pipefail

        REPO="${{ inputs.repository }}"
        REPO_NAME_ONLY="$(echo "${REPO}" | cut -d'/' -f2)"
        REPO_PROJECT_PATH="/srv/${REPO_NAME_ONLY}"
        PROD="${{ startsWith(inputs.github-ref, 'refs/heads/main') }}"


        echo "🖊️ Writing determined values:"
        echo "repo-name=$REPO_NAME_ONLY" >> $GITHUB_OUTPUT
        echo "repo-name -> $REPO_NAME_ONLY"
        echo "repo-path=$REPO_PROJECT_PATH" >> $GITHUB_OUTPUT
        echo "repo-path -> $REPO_PROJECT_PATH"
        echo "prod=$PROD" >> $GITHUB_OUTPUT
        echo "prod -> $PROD"