name: Auto Debian Package Changelog Generation
description: "One-stop composite action for generating a Debian-compatible changelog using git-cliff"

inputs:
  tag:
    description: "Git tag"
    required: true
  package_name:
    description: "Package name"
    required: true
  author_name:
    description: "Package author name"
    required: true
  author_email:
    description: "Package author email"
    required: true
  output_file:
    description: "Output file for the changelog"
    required: false
    default: "debian/changelog"
  cliff_config:
    description: "Path to the Git-Cliff configuration file"
    required: false
    default: ""

runs:
  using: "composite"
  steps:
    # 1) Install git-cliff (latest, default arch)
    - name: Install git-cliff
      shell: bash
      run: |
        bash "${{ github.action_path }}/scripts/install-git-cliff.sh"

    # 2) Generate changelog
    - name: Generate Debian changelog
      shell: bash
      env:
        PACKAGE_NAME: ${{ inputs.package_name }}
        AUTHOR_NAME: ${{ inputs.author_name }}
        AUTHOR_EMAIL: ${{ inputs.author_email }}
      run: |
        # Select config: user-provided or default within the action
        CONFIG_PATH="${{ inputs.cliff_config }}"
        if [[ -z "$CONFIG_PATH" ]]; then
          CONFIG_PATH="${{ github.action_path }}/configs/cliff.debian.toml"
        fi

        bash "${{ github.action_path }}/scripts/generate-changelog.sh" \
          -c "$CONFIG_PATH" \
          -t "${{ inputs.tag }}" \
          -o "${{ inputs.output_file }}"