name: Generate Changelog

on:
  push:
    tags:
      - 'v*'
    paths:
      - 'src/**'
  pull_request:
    paths:
      - 'src/**'
    branches:
      - main

jobs:
  changelog:
    # Skip job if no changes in src/
    if: contains(github.event.head_commit.modified, 'src/') || contains(github.event.head_commit.added, 'src/') || contains(github.event.head_commit.removed, 'src/')
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - name: Generate changelog
        id: changelog
        uses: heinrichreimer/github-changelog-generator-action@v2.3
        with:
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Create Release
        uses: softprops/action-gh-release@v1
        if: startsWith(github.ref, 'refs/tags/')
        with:
          body_path: CHANGELOG.md
          files: |
            CHANGELOG.md
            release/basalt.lua
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}