convert.yml

name: Convert Videos to GIFs
on:
  push:
    paths:
      - 'previews/**/videos/*.mp4'
      - 'previews/**/videos/*.mov'
    branches:
      - dev
  workflow_dispatch:

jobs:
  convert:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Cache FFmpeg
        id: cache-ffmpeg
        uses: actions/cache@v3
        with:
          path: /usr/bin/ffmpeg
          key: ${{ runner.os }}-ffmpeg

      - name: Install FFmpeg
        if: steps.cache-ffmpeg.outputs.cache-hit != 'true'
        run: sudo apt-get update && sudo apt-get install -y ffmpeg

      - name: Convert videos to GIFs
        id: convert
        run: |
          found_videos=false
          for video in previews/**/videos/*.{mp4,mov}; do
            if [[ -f "$video" ]]; then
              base_dir="$(dirname "$(dirname "$video")")"
              output_dir="${base_dir}/gifs"
              mkdir -p "$output_dir"
              filename=$(basename "$video")
              filename_noext="${filename%.*}"
              output_gif="${output_dir}/${filename_noext}.gif"
              
              # Only convert if GIF doesn't exist
              if [[ ! -f "$output_gif" ]]; then
                found_videos=true
                echo "Converting $video to GIF..."
                ffmpeg -i "$video" \
                  -vf "fps=15,scale=320:-1:flags=lanczos" \
                  -c:v gif \
                  "$output_gif"
              else
                echo "Skipping $video - GIF already exists"
              fi
            fi
          done
          echo "found_videos=$found_videos" >> $GITHUB_OUTPUT

      - name: Create Pull Request
        if: steps.convert.outputs.found_videos == 'true'
        id: create-pr
        uses: peter-evans/create-pull-request@v5
        with:
          commit-message: "chore: convert videos to GIFs"
          title: "Convert videos to GIFs"
          body: "Automatically converted video previews to GIF format"
          branch: video-to-gif
          delete-branch: true

      # TODO: Fix this
      # - name: Enable Auto-Merge
      #   if: steps.convert.outputs.found_videos == 'true' && steps.create-pr.outputs.pull-request-number != ''
      #   uses: peter-evans/enable-pull-request-automerge@v2
      #   with:
      #     token: ${{ secrets.GITHUB_TOKEN }}
      #     pull-request-number: ${{ steps.create-pr.outputs.pull-request-number }}
      #     merge-method: squash