name: 'Yaclog'
description: 'Get version information from a changelog, and optionally create a new release'
branding:
  icon: file-text
  color: blue

inputs:
  markdown:
    description: If outputs should be in markdown format or not
    default: 'true'

  release:
    description: > 
      Creates a new release and commits it if set. Directly passed to the arguments of `yaclog release`. 
      Can be a version number or an increment tag like `--major`, `--minor`, or `--patch`. 
      The resulting commit and tag will be pushed back to the repo, but the workflow must have write permissions. 
      Add
      ```yaml
      permissions:
        contents: write
      ```
      to your workflow to allow this.

outputs:
  name:
    description: "The current version name. For example, `Version 1.3.0`"
    value: ${{ steps.yaclog-show.outputs.name}}
  header:
    description: "The entire header for the current version. For example, `Version 1.3.0 - 2024-08-08`"
    value: ${{ steps.yaclog-show.outputs.header }}
  version:
    description: "The current version number. For example, `1.3.0`"
    value: ${{ steps.yaclog-show.outputs.version }}
  body_file:
    description: "Path to a temporary file containing the version body"
    value: ${{ steps.yaclog-show.outputs.body_file }}
  changelog:
    description: "Path to the entire changelog file."
    value: ${{ steps.yaclog-show.outputs.changelog }}

runs:
  using: "composite"
  steps:
    - id: setup-python
      uses: actions/setup-python@v5
      with:
        python-version: '3.10'
        update-environment: 'false'

    - name: Setup Yaclog
      shell: bash
      run: |
        ${{ steps.setup-python.outputs.python-path }} -m pip install ${{ github.action_path }}
        # now make it available in $PATH
        # this whole rigamarole is because we are using a python root that isnt in $PATH as to not step over other actions
        mkdir -p "$GITHUB_ACTION_PATH/bin"
        echo '${{ steps.setup-python.outputs.python-path }} -m yaclog.cli $@' > "$GITHUB_ACTION_PATH/bin/yaclog"
        chmod +x "$GITHUB_ACTION_PATH/bin/yaclog"
        echo "$GITHUB_ACTION_PATH/bin" > "$GITHUB_PATH"

    - name: Create New Release
      shell: bash
      if: ${{ inputs.release }}
      run: yaclog release --yes --commit ${{ inputs.release }}

    - name: Get Version Information
      id: yaclog-show
      shell: bash
      run: |
        yaclog show ---gh-actions ${{ inputs.markdown && '--markdown' }} >> "$GITHUB_OUTPUT"
        # output like so:
        #  name=Version 1.3.0
        #  header=Version 1.3.0 - 2024-08-08
        #  version=1.3.0
        #  body_file={path to file containing version body}
        #  changelog={path to changelog}

    - name: Push Changes
      if: ${{ inputs.release }}
      shell: bash
      env:
        GH_TOKEN: ${{ github.token }}
      run: |
        git config --global user.name "github-actions"
        git config --global user.email "github-actions@github.com"
        git push
        git push --tags