name: Create GitHub Release

on:
  push:
    tags:
      - 'v*'
  workflow_dispatch:

jobs:
  build-windows:
    name: Build Windows EXE
    runs-on: windows-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v5.0.0

      - name: Setup Python
        uses: actions/setup-python@v5.6.0
        with:
          python-version: '3.11'

      - name: Install dependencies
        shell: powershell
        run: |
          python -m pip install --upgrade pip wheel setuptools
          if (Test-Path 'requirements.txt') { pip install -r requirements.txt }
          pip install pyinstaller

      - name: Build executable (PyInstaller)
        shell: powershell
        run: |
          # Build using spec for reliable packaging
          pyinstaller mtg_deckbuilder.spec
          if (!(Test-Path dist/mtg-deckbuilder.exe)) {
            Write-Host 'Spec build failed; retrying simple build with --paths code'
            pyinstaller --onefile --name mtg-deckbuilder --paths code code/main.py
          }
          if (!(Test-Path dist/mtg-deckbuilder.exe)) { throw 'Build failed: dist/mtg-deckbuilder.exe not found' }

      - name: Upload artifact (Windows EXE)
        uses: actions/upload-artifact@v4.6.2
        with:
          name: mtg-deckbuilder-windows
          path: dist/mtg-deckbuilder.exe

  release:
    runs-on: ubuntu-latest
    needs: build-windows
    permissions:
      contents: write
    steps:
      - name: Checkout
        uses: actions/checkout@v5.0.0

      - name: Prepare release notes
        id: notes
        shell: bash
        run: |
          VERSION_REF="${GITHUB_REF##*/}"  # e.g. v1.2.3
          VERSION_NO_V="${VERSION_REF#v}"
          TEMPLATE="RELEASE_NOTES_TEMPLATE.md"
          if [ -f "$TEMPLATE" ]; then
            sed "s/\${VERSION}/${VERSION_REF}/g" "$TEMPLATE" > RELEASE_NOTES.md
          else
            echo "# MTG Python Deckbuilder ${VERSION_REF}" > RELEASE_NOTES.md
            echo >> RELEASE_NOTES.md
            echo "Automated release." >> RELEASE_NOTES.md
          fi
          echo "version=$VERSION_REF" >> $GITHUB_OUTPUT
          echo "notes_file=RELEASE_NOTES.md" >> $GITHUB_OUTPUT

      - name: Download build artifacts
        uses: actions/download-artifact@v5.0.0
        with:
          name: mtg-deckbuilder-windows
          path: artifacts

      - name: Create GitHub Release
        uses: softprops/action-gh-release@v2.3.2
        with:
          tag_name: ${{ steps.notes.outputs.version }}
          name: ${{ steps.notes.outputs.version }}
          body_path: ${{ steps.notes.outputs.notes_file }}
          files: |
            artifacts/mtg-deckbuilder.exe
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}