name: Publish MCP Package

on:
  push:
    branches: [main, develop]
    paths:
      - 'mcp/**'
  pull_request:
    branches: [main, develop]
    paths:
      - 'mcp/**'
  release:
    types: [created]
  workflow_dispatch:
    inputs:
      publish_tag:
        description: 'NPM tag to publish under (latest, dev, beta, alpha)'
        required: false
        default: 'dev'
        type: choice
        options:
          - latest
          - dev
          - beta
          - alpha

jobs:
  publish:
    runs-on: ubuntu-latest
    defaults:
      run:
        working-directory: ./mcp
    
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20'
          registry-url: 'https://registry.npmjs.org'

      - name: Setup pnpm
        uses: pnpm/action-setup@v4
        with:
          version: '10.12.1'

      - name: Get pnpm store directory
        shell: bash
        run: |
          echo "STORE_PATH=$(pnpm store path --silent)" >> $GITHUB_ENV

      - name: Setup pnpm cache
        uses: actions/cache@v4
        with:
          path: ${{ env.STORE_PATH }}
          key: ${{ runner.os }}-pnpm-store-${{ hashFiles('**/pnpm-lock.yaml') }}
          restore-keys: |
            ${{ runner.os }}-pnpm-store-

      - name: Install dependencies
        run: pnpm install --frozen-lockfile

      - name: Lint code
        run: pnpm run lint

      - name: Run tests
        run: pnpm run test

      - name: Build package
        run: pnpm run build

      - name: Determine npm tag
        id: npm_tag
        run: |
          if [ "${{ github.event_name }}" = "release" ]; then
            if [[ "${{ github.event.release.prerelease }}" == "true" ]]; then
              echo "tag=beta" >> $GITHUB_OUTPUT
            else
              echo "tag=latest" >> $GITHUB_OUTPUT
            fi
          elif [ "${{ github.event_name }}" = "workflow_dispatch" ]; then
            echo "tag=${{ github.event.inputs.publish_tag }}" >> $GITHUB_OUTPUT
          elif [ "${{ github.ref }}" = "refs/heads/develop" ]; then
            echo "tag=dev" >> $GITHUB_OUTPUT
          elif [ "${{ github.ref }}" = "refs/heads/main" ]; then
            echo "tag=latest" >> $GITHUB_OUTPUT
          else
            echo "tag=dev" >> $GITHUB_OUTPUT
          fi

      - name: Check if package builds correctly
        run: |
          if [ ! -f "dist/index.js" ]; then
            echo "Build failed - dist/index.js not found"
            exit 1
          fi

      - name: Check if version already exists on NPM
        id: version_check
        run: |
          PACKAGE_NAME=$(node -p "require('./package.json').name")
          PACKAGE_VERSION=$(node -p "require('./package.json').version")
          
          echo "Checking if ${PACKAGE_NAME}@${PACKAGE_VERSION} already exists on NPM..."
          
          # Check if the version exists on npm
          if npm view "${PACKAGE_NAME}@${PACKAGE_VERSION}" version 2>/dev/null; then
            echo "Version ${PACKAGE_VERSION} already exists on NPM"
            echo "should_publish=false" >> $GITHUB_OUTPUT
            echo "version_exists=true" >> $GITHUB_OUTPUT
          else
            echo "Version ${PACKAGE_VERSION} does not exist on NPM, proceeding with publish"
            echo "should_publish=true" >> $GITHUB_OUTPUT
            echo "version_exists=false" >> $GITHUB_OUTPUT
          fi
          
          echo "package_name=${PACKAGE_NAME}" >> $GITHUB_OUTPUT
          echo "package_version=${PACKAGE_VERSION}" >> $GITHUB_OUTPUT

      - name: Skip publish - version already exists
        if: steps.version_check.outputs.version_exists == 'true'
        run: |
          echo "⚠️ Skipping publish: ${{ steps.version_check.outputs.package_name }}@${{ steps.version_check.outputs.package_version }} already exists on NPM"
          echo "To publish a new version, update the version in package.json first"

      - name: Publish to NPM (dry-run for PRs)
        if: github.event_name == 'pull_request'
        run: pnpm publish --dry-run --no-git-checks --tag ${{ steps.npm_tag.outputs.tag }}

      - name: Publish to NPM
        if: steps.version_check.outputs.should_publish == 'true' && (github.event_name == 'release' || github.event_name == 'workflow_dispatch' || (github.event_name == 'push' && (github.ref == 'refs/heads/main' || github.ref == 'refs/heads/develop')))
        run: |
          echo "Publishing ${{ steps.version_check.outputs.package_name }}@${{ steps.version_check.outputs.package_version }} with tag: ${{ steps.npm_tag.outputs.tag }}"
          pnpm publish --no-git-checks --tag ${{ steps.npm_tag.outputs.tag }}
        env:
          NODE_AUTH_TOKEN: ${{ secrets.NPM_PUBLISH_TOKEN }}

      - name: Create GitHub Release Asset
        if: github.event_name == 'release'
        run: |
          tar -czf mcp-server-crawlab-${{ github.ref_name }}.tar.gz dist/
        
      - name: Upload Release Asset
        if: github.event_name == 'release'
        uses: actions/upload-release-asset@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          upload_url: ${{ github.event.release.upload_url }}
          asset_path: ./crawlab/mcp/mcp-server-crawlab-${{ github.ref_name }}.tar.gz
          asset_name: mcp-server-crawlab-${{ github.ref_name }}.tar.gz
          asset_content_type: application/gzip

      - name: Publish Summary
        if: always()
        run: |
          echo "## 📦 Publish Summary"
          echo "Package: ${{ steps.version_check.outputs.package_name }}"
          echo "Version: ${{ steps.version_check.outputs.package_version }}"
          echo "NPM Tag: ${{ steps.npm_tag.outputs.tag }}"
          
          if [ "${{ steps.version_check.outputs.should_publish }}" = "true" ]; then
            if [ "${{ github.event_name }}" = "pull_request" ]; then
              echo "✅ Dry-run completed successfully"
            else
              echo "✅ Published successfully to NPM"
            fi
          else
            echo "⚠️ Publish skipped - version already exists on NPM"
            echo "💡 To publish a new version, update the version in package.json"
          fi