name: Create Release

on:
  push:
    branches:
      - main
    paths:
      - 'VERSION'

jobs:
  check-version-change:
    runs-on: ubuntu-latest
    outputs:
      version: ${{ steps.get-version.outputs.version }}
      should-release: ${{ steps.check-tag.outputs.should-release }}
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Get version from VERSION file
        id: get-version
        run: |
          VERSION=$(cat VERSION)
          echo "version=$VERSION" >> $GITHUB_OUTPUT
          echo "Version: $VERSION"

      - name: Check if tag exists
        id: check-tag
        run: |
          VERSION=$(cat VERSION)
          git fetch --tags
          if git rev-parse "v$VERSION" >/dev/null 2>&1; then
            echo "Tag v$VERSION already exists, skipping release"
            echo "should-release=false" >> $GITHUB_OUTPUT
          else
            echo "Tag v$VERSION does not exist, proceeding with release"
            echo "should-release=true" >> $GITHUB_OUTPUT
          fi

  build:
    needs: check-version-change
    if: needs.check-version-change.outputs.should-release == 'true'
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          submodules: recursive

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Build library packages
        run: |
          bin/package_libs

      - name: Build all packages
        run: |
          bin/package_all

      - name: Upload artifacts
        uses: actions/upload-artifact@v4
        with:
          name: release-artifacts
          path: out/*.tar.gz

  create-release:
    needs: [check-version-change, build]
    if: needs.check-version-change.outputs.should-release == 'true'
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Download artifacts
        uses: actions/download-artifact@v4
        with:
          name: release-artifacts
          path: artifacts

      - name: Create Release
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          VERSION=${{ needs.check-version-change.outputs.version }}
          
          # Create a tag
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git tag -a "v$VERSION" -m "Release v$VERSION"
          git push origin "v$VERSION"
          
          # Create release with artifacts
          gh release create "v$VERSION" \
            --title "Release v$VERSION" \
            --generate-notes \
            artifacts/* \
            bin/breezy_gnome_setup \
            bin/breezy_kwin_setup \
            bin/breezy_vulkan_setup