name: Generate Windows patches

on:
  release:
    types:
      - created

permissions:
  contents: write

jobs:
  build:
    runs-on: ubuntu-latest
    env:
      GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
    steps:
      - name: Check release name and OS
        id: check_release
        run: |
          release_name="${{ github.event.release.tag_name }}"
          echo "Release Name: $release_name"
          if [[ $release_name =~ (win)-(dch|studio)-([0-9]+\.[0-9]+(-[a-zA-Z]+)?)(-.+)? ]]; then
            os="${BASH_REMATCH[1]}"
            variant="${BASH_REMATCH[2]}"
            version="${BASH_REMATCH[3]}"
            echo "Operating System: $os"
            echo "Variant: $variant"
            echo "Version: $version"

            if [ "$os" != "win" ]; then
              echo "Not a Windows release. Stopping the CI workflow."
              exit 0
            fi

            if [ "$variant" == "dch" ]; then
              variant="DCH"
            fi

            echo "OS=$os" >> $GITHUB_ENV
            echo "VARIANT=$variant" >> $GITHUB_ENV
            echo "VERSION=$version" >> $GITHUB_ENV
          else
            echo "Invalid release name format. Must be in the format 'win-dch-123.45' or 'win-studio-123.45'"
            exit 1
          fi

      - name: Checkout repository
        uses: actions/checkout@v3
        with:
          ref: master

      - name: Set up Python
        uses: actions/setup-python@v4
        with:
          python-version: '3.10'

      - name: Delete Existing Files
        run: |
          echo "Deleting existing files if they exist"
          rm -f "${{ github.workspace }}/win/win10_x64/${{ env.VERSION }}/nvencodeapi64.1337"
          rm -f "${{ github.workspace }}/win/win10_x64/${{ env.VERSION }}/nvencodeapi.1337"
          echo "Existing files deleted successfully"

      - name: Run autopatch.py
        run: |
          echo "Running autopatch.py with version ${{ env.VERSION }}"
          cd "${{ github.workspace }}/win/tools/autopatch"
          python autopatch.py ${{ env.VERSION }}
          echo "autopatch.py executed successfully"

      - name: Run add_driver.py
        run: |
          echo "Running add_driver.py with variant ${{ env.VARIANT }} and version ${{ env.VERSION }}"
          cd "${{ github.workspace }}/tools/readme-autogen"
          python add_driver.py -W -P GeForce --variant ${{ env.VARIANT }} -w win10 ${{ env.VERSION }}
          echo "add_driver.py executed successfully"

      - name: Run readme_autogen.py
        run: |
          echo "Running readme_autogen.py"
          cd "${{ github.workspace }}/tools/readme-autogen"
          python readme_autogen.py
          echo "readme_autogen.py executed successfully"

      - name: Commit and push changes
        run: |
          echo "Committing and pushing changes"
          cd "${{ github.workspace }}"
          git config --local user.email "action@github.com"
          git config --local user.name "GitHub Action"
          git add -A
          git diff --quiet --exit-code --cached || git commit -m "${{ env.OS }}: add support for ${{ env.VARIANT }} driver ${{ env.VERSION }}"
          git push origin master
          echo "Committed and pushed changes"

      - name: Upload Patch Files
        uses: softprops/action-gh-release@v1
        with:
          files: |
            ${{ github.workspace }}/win/win10_x64/${{ env.VERSION }}/nvencodeapi64.1337
            ${{ github.workspace }}/win/win10_x64/${{ env.VERSION }}/nvencodeapi.1337
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          TAG_NAME: ${{ github.event.release.tag_name }}