name: Publish Package

on:
  push:
    branches:
      - 1.x
  workflow_dispatch:

jobs:
  verify_version:
    runs-on: ubuntu-latest
    outputs:
      should_publish: ${{ steps.check.outputs.should_publish }}
      version: ${{ steps.check.outputs.version }}
    steps:
      - name: Checkout repository
        uses: actions/checkout@v6
        with:
          fetch-depth: 0

      - name: Check if package.json version changed
        id: check
        run: |
          echo "Current branch: ${{ github.ref }}"

          # Get current version
          CURRENT_VERSION=$(jq -r .version package.json)
          echo "Current version: $CURRENT_VERSION"

          # Get previous commit hash
          git rev-parse HEAD~1 || git rev-parse HEAD
          PREV_COMMIT=$(git rev-parse HEAD~1 2>/dev/null || git rev-parse HEAD)

          # Check if package.json changed
          if git diff --name-only HEAD~1 HEAD | grep "package.json"; then
            echo "Package.json was changed in this commit"
            
            # Get previous version if possible
            if git show "$PREV_COMMIT:package.json" 2>/dev/null; then
              PREV_VERSION=$(git show "$PREV_COMMIT:package.json" | jq -r .version)
              echo "Previous version: $PREV_VERSION"
              
              if [ "$CURRENT_VERSION" != "$PREV_VERSION" ]; then
                echo "Version changed from $PREV_VERSION to $CURRENT_VERSION"
                echo "should_publish=true" >> $GITHUB_OUTPUT
              else
                echo "Version unchanged"
                echo "should_publish=false" >> $GITHUB_OUTPUT
              fi
            else
              echo "First commit with package.json, will publish"
              echo "should_publish=true" >> $GITHUB_OUTPUT
            fi
          else
            echo "Package.json not changed in this commit"
            echo "should_publish=false" >> $GITHUB_OUTPUT
          fi

          echo "version=$CURRENT_VERSION" >> $GITHUB_OUTPUT

  publish:
    needs: verify_version
    if: needs.verify_version.outputs.should_publish == 'true'
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
      - name: Checkout repository
        uses: actions/checkout@v6
        with:
          fetch-depth: 0

      - name: Create Git tag
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git tag -a "v${{ needs.verify_version.outputs.version }}" -m "Release v${{ needs.verify_version.outputs.version }}"
          git push origin "v${{ needs.verify_version.outputs.version }}"
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Setup Bun
        uses: oven-sh/setup-bun@v2

      - name: Install dependencies
        run: bun install

      - name: Build package
        run: bun run build

      - name: Publish to npm
        run: bun publish
        env:
          NPM_CONFIG_TOKEN: ${{ secrets.NPM_TOKEN }}

  create_release:
    needs: [verify_version, publish]
    if: needs.verify_version.outputs.should_publish == 'true'
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
      - name: Create GitHub Release
        uses: actions/create-release@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          tag_name: "v${{ needs.verify_version.outputs.version }}"
          release_name: "v${{ needs.verify_version.outputs.version }}"
          body: "Release v${{ needs.verify_version.outputs.version }}"
          draft: false
          prerelease: false