---
name: authentik-compress-images

on:
  push:
    branches:
      - main
    paths:
      - "**.jpg"
      - "**.jpeg"
      - "**.png"
      - "**.webp"
  pull_request:
    paths:
      - "**.jpg"
      - "**.jpeg"
      - "**.png"
      - "**.webp"
  workflow_dispatch:

jobs:
  compress:
    name: compress
    runs-on: ubuntu-latest
    # Don't run on forks. Token will not be available. Will run on main and open a PR anyway
    if: |
      github.repository == 'goauthentik/authentik' &&
      (github.event_name != 'pull_request' ||
       github.event.pull_request.head.repo.full_name == github.repository)
    steps:
      - id: generate_token
        uses: tibdex/github-app-token@v1
        with:
          app_id: ${{ secrets.GH_APP_ID }}
          private_key: ${{ secrets.GH_APP_PRIVATE_KEY }}
      - uses: actions/checkout@v4
        with:
          token: ${{ steps.generate_token.outputs.token }}
      - name: Compress images
        id: compress
        uses: calibreapp/image-actions@main
        with:
          githubToken: ${{ steps.generate_token.outputs.token }}
          compressOnly: ${{ github.event_name != 'pull_request' }}
      - uses: peter-evans/create-pull-request@v5
        if: "${{ github.event_name != 'pull_request' && steps.compress.outputs.markdown != '' }}"
        id: cpr
        with:
          token: ${{ steps.generate_token.outputs.token }}
          title: "*: Auto compress images"
          branch-suffix: timestamp
          commit-messsage: "*: compress images"
          body: ${{ steps.compress.outputs.markdown }}
          delete-branch: true
          signoff: true
      - uses: peter-evans/enable-pull-request-automerge@v3
        if: "${{ github.event_name != 'pull_request' && steps.compress.outputs.markdown != '' }}"
        with:
          token: ${{ steps.generate_token.outputs.token }}
          pull-request-number: ${{ steps.cpr.outputs.pull-request-number }}
          merge-method: squash