name: Validate Balatro Mods

on:
  pull_request:
    paths:
      - "mods/**"

jobs:
  validate:
    runs-on: ubuntu-latest
    steps:
      - name: Check out repository
        uses: actions/checkout@v3

      - name: Install ImageMagick
        run: |
          sudo apt-get update
          sudo apt-get install -y imagemagick

      - name: Check Required Files
        run: |
          for dir in mods/*/; do
            if [ -d "$dir" ]; then
              MOD_DIR="$(basename "$dir")"

              # Ensure description.md and meta.json exist
              if [ ! -f "$dir/description.md" ]; then
                echo "Error: Missing description.md in $MOD_DIR"
                exit 1
              fi

              if [ ! -f "$dir/meta.json" ]; then
                echo "Error: Missing meta.json in $MOD_DIR"
                exit 1
              fi
            fi
          done

      - name: Check Thumbnail Dimensions
        run: |
          for dir in mods/*/; do
            if [ -d "$dir" ]; then
              MOD_DIR="$(basename "$dir")"
              THUMBNAIL="$dir/thumbnail.png"

              if [ -f "$THUMBNAIL" ]; then
                # Extract width and height using ImageMagick
                DIMENSIONS=$(identify -format "%wx%h" "$THUMBNAIL")
                WIDTH=$(echo "$DIMENSIONS" | cut -dx -f1)
                HEIGHT=$(echo "$DIMENSIONS" | cut -dx -f2)

                # If thumbnail exceeds 1920x500, exit with error
                if [ "$WIDTH" -gt 1920 ] || [ "$HEIGHT" -gt 500 ]; then
                  echo "Error: Thumbnail in $MOD_DIR exceeds the 1920×500 recommended size."
                  exit 1
                fi
              fi
            fi
          done

      - name: Validate JSON Format
        uses: github/super-linter@v4
        env:
          VALIDATE_JSON: true
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Validate Meta.json Against Schema
        uses: ajv-validator/ajv-cli-action@v1
        with:
          schema: "./schema/meta.schema.json"
          files: "mods/*/meta.json"