name: Enforce Image Standards

on:
  pull_request:
    branches:
      - main
      - beta
      - testing
      - client
      - staging
      - production
    types: [opened, synchronize, reopened]
    paths:
      - '**/*.jpg'
      - '**/*.jpeg'
      - '**/*.png'
  workflow_dispatch:

jobs:
  optimize:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout Repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
          ref: ${{ gitea.head_ref }}   # IMPORTANT

      - name: Install Image Tools
        run: |
          sudo apt-get update
          sudo apt-get install -y imagemagick jpegoptim pngquant

      - name: Resize Oversized Images
        run: |
          find . -type f \( -iname "*.jpg" -o -iname "*.jpeg" -o -iname "*.png" \) \
          -exec mogrify -resize 1920x1920\> {} \;

      - name: Optimize JPEG
        run: |
          find . -type f \( -iname "*.jpg" -o -iname "*.jpeg" \) \
          -exec jpegoptim --strip-all --max=85 {} \;

      - name: Optimize PNG
        run: |
          find . -type f -iname "*.png" \
          -exec pngquant --force --ext .png --quality=75-90 {} \;

      # Commit changes if any
      - name: Commit changes
        run: |
          git config --global user.name "CI Bot"
          git config --global user.email "ci@local"

          if [ -n "$(git status --porcelain)" ]; then
            git add .
            git commit -m "chore: optimize images via CI"
          else
            echo "No changes to commit"
          fi

      # Push back to PR branch
      - name: Push changes
        if: success()
        run: |
          git push origin HEAD:${{ gitea.head_ref }}