name: Main Push Changelog

on:
  push:
    branches:
      - main

permissions:
  contents: write
  pull-requests: read

concurrency:
  group: main-push-${{ github.ref }}
  cancel-in-progress: true

jobs:
  main-push-changelog:
    name: Generate main push changelog
    runs-on: ubuntu-24.04-arm
    steps:
      - name: Checkout code
        uses: actions/checkout@v6
        with:
          fetch-depth: 0

      - name: Determine last tag
        id: last_prod_tag
        run: |
          TAG=$(git describe --tags --abbrev=0 2>/dev/null || echo "")
          echo "Found last tag: $TAG"
          echo "tag=$TAG" >> "$GITHUB_OUTPUT"

      - name: Generate changelog from last tag to current
        if: steps.last_prod_tag.outputs.tag != ''
        uses: mikepenz/release-changelog-builder-action@v6
        id: changelog
        with:
          configuration: .github/release.yml
          fromTag: ${{ steps.last_prod_tag.outputs.tag }}
          toTag: ${{ github.sha }}
          outputFile: main-push-changelog.md
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Upload changelog artifact
        if: steps.last_prod_tag.outputs.tag != ''
        uses: actions/upload-artifact@v7
        with:
          name: main-push-changelog
          path: main-push-changelog.md

      - name: Print main push summary
        env:
          LAST_TAG: ${{ steps.last_prod_tag.outputs.tag }}
        run: |
          echo "Pushed to main"
          echo "SHA: $GITHUB_SHA"
          echo "Actor: $GITHUB_ACTOR"
          echo "Ref: $GITHUB_REF"
          echo ""
          if [ "$LAST_TAG" != "" ]; then
            echo "Changelog since last tag ($LAST_TAG)":
            echo "----------------------------------------"
            cat main-push-changelog.md
          else
            echo "No tag found. Skipping changelog generation."
          fi