name: Check yt-dlp weekly and rebuild if new
on:
  schedule:
    - cron: '0 0 * * 0'
  workflow_dispatch:

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Get current version
        id: current
        run: |
          CURRENT=$(cat version.txt || echo "none")
          echo "version=$CURRENT" >> $GITHUB_OUTPUT

      - name: Check latest version
        id: latest
        run: |
          LATEST=$(curl -s https://api.github.com/repos/yt-dlp/yt-dlp/releases/latest | jq -r .tag_name || echo "error")
          if [ "$LATEST" == "error" ]; then
            echo "failed to fetch latest version" >&2
            exit 1
          fi
          echo "version=$LATEST" >> $GITHUB_OUTPUT

      - name: Update version file if changed
        run: echo ${{ steps.latest.outputs.version }} > version.txt
        if: ${{ steps.current.outputs.version != steps.latest.outputs.version }}

      - name: Login to Dockerhub
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Build and push docker image
        uses: docker/build-push-action@v5
        with:
          push: true
          tags: eulaly/youdis:latest,eulaly/youdis:${{ steps.latest.outputs.version }}
        if: ${{ steps.current.outputs.version != steps.latest.outputs.version }}