name: Release

on:
  push:
    branches: [main]

concurrency: ${{ github.workflow }}-${{ github.ref }}

jobs:
  release:
    name: Release
    runs-on: ubuntu-latest
    permissions:
      contents: write
      pull-requests: write

    steps:
      - uses: actions/checkout@v4

      - uses: oven-sh/setup-bun@v2
        with:
          bun-version: latest

      - name: Install dependencies
        run: bun install

      - name: Create Release Pull Request or Tag
        id: changesets
        uses: changesets/action@v1
        with:
          version: bun run version
          publish: echo "No publish step - plugins are consumed from git"
          title: "chore: version packages"
          commit: "chore: version packages"
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Update PR title with versions
        # Runs when changesets action creates/updates a version PR (has pending changesets)
        if: steps.changesets.outputs.pullRequestNumber
        run: |
          set -e
          # Build descriptive title by comparing versions against main
          VERSIONS=""
          for plugin in outfitter but gt cli-dev outfitter-stack; do
            PKG_PATH="plugins/$plugin/package.json"
            if [ -f "$PKG_PATH" ]; then
              NEW_VERSION=$(jq -r .version "$PKG_PATH")
              # Get version from main branch (may not exist for new plugins)
              OLD_VERSION=$(git show origin/main:"$PKG_PATH" 2>/dev/null | jq -r '.version // "0.0.0"' 2>/dev/null || echo "0.0.0")

              # Include if version changed
              if [ "$NEW_VERSION" != "$OLD_VERSION" ]; then
                if [ -n "$VERSIONS" ]; then
                  VERSIONS="$VERSIONS, "
                fi
                VERSIONS="${VERSIONS}${plugin}@${NEW_VERSION}"
              fi
            fi
          done

          if [ -n "$VERSIONS" ]; then
            TITLE="chore: release $VERSIONS"
            gh pr edit ${{ steps.changesets.outputs.pullRequestNumber }} --title "$TITLE"
            echo "Updated PR title to: $TITLE"
          fi
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Label and auto-merge version PR
        if: steps.changesets.outputs.pullRequestNumber
        run: |
          set -e
          # Label may fail if it doesn't exist yet - continue anyway
          gh pr edit ${{ steps.changesets.outputs.pullRequestNumber }} --add-label "release:publish" || true
          gh pr merge ${{ steps.changesets.outputs.pullRequestNumber }} --auto --squash
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Create git tags
        # Runs when no pending changesets (version PR was merged, versions already bumped)
        if: steps.changesets.outputs.hasChangesets == 'false'
        run: |
          set -e
          # After version PR is merged, create tags for each plugin
          for plugin in outfitter but gt cli-dev outfitter-stack; do
            PKG_PATH="plugins/$plugin/package.json"
            if [ -f "$PKG_PATH" ]; then
              VERSION=$(jq -r .version "$PKG_PATH")
              TAG="${plugin}@${VERSION}"

              # Check if tag already exists
              if ! git rev-parse "$TAG" >/dev/null 2>&1; then
                echo "Creating tag: $TAG"
                git tag "$TAG"
                git push origin "$TAG"
              fi
            fi
          done