name: Deploy tfcode to NPM

on:
  push:
    branches:
      - main
    paths:
      - "packages/tfcode/**"
      - ".github/workflows/deploy-tfcode.yml"
  workflow_dispatch:

env:
  NODE_VERSION: "18"

jobs:
  check-version:
    name: Check if version changed
    runs-on: ubuntu-latest
    outputs:
      version-changed: ${{ steps.check.outputs.changed }}
      new-version: ${{ steps.check.outputs.version }}
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 2

      - name: Set up Node.js
        uses: actions/setup-node@v4
        with:
          node-version: ${{ env.NODE_VERSION }}

      - name: Check version change
        id: check
        working-directory: packages/tfcode
        run: |
          CURRENT_VERSION=$(node -p "require('./package.json').version")
          echo "Current version: $CURRENT_VERSION"

          git checkout HEAD^ 2>/dev/null || true
          PREV_VERSION=$(node -p "require('./package.json').version" 2>/dev/null || echo "0.0.0")
          git checkout - 2>/dev/null || true
          echo "Previous version: $PREV_VERSION"

          if [ "$CURRENT_VERSION" != "$PREV_VERSION" ]; then
            echo "changed=true" >> $GITHUB_OUTPUT
            echo "version=$CURRENT_VERSION" >> $GITHUB_OUTPUT
            echo "✅ Version changed from $PREV_VERSION to $CURRENT_VERSION"
          else
            echo "changed=false" >> $GITHUB_OUTPUT
            echo "⏭️  Version unchanged, skipping deployment"
          fi

  build:
    name: Build tfcode binaries
    needs: check-version
    if: needs.check-version.outputs.version-changed == 'true'
    strategy:
      fail-fast: false
      matrix:
        settings:
          - host: macos-latest
            target: darwin-arm64
          - host: macos-latest
            target: darwin-x64
          - host: ubuntu-latest
            target: linux-arm64
          - host: ubuntu-latest
            target: linux-x64
          - host: windows-latest
            target: win32-arm64
          - host: windows-latest
            target: win32-x64
    runs-on: ${{ matrix.settings.host }}
    steps:
      - uses: actions/checkout@v4

      - uses: ./.github/actions/setup-bun

      - name: Build tfcode binary
        working-directory: packages/tfcode
        run: bun run build:single
        env:
          TFCODE_VERSION: ${{ needs.check-version.outputs.new-version }}

      - uses: actions/upload-artifact@v4
        with:
          name: tfcode-${{ matrix.settings.target }}
          path: packages/tfcode/dist/*

  publish:
    name: Publish to NPM
    needs:
      - check-version
      - build
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - uses: ./.github/actions/setup-bun

      - uses: actions/setup-node@v4
        with:
          node-version: ${{ env.NODE_VERSION }}
          registry-url: "https://registry.npmjs.org"

      - name: Download all artifacts
        uses: actions/download-artifact@v4
        with:
          path: packages/tfcode/dist
          pattern: tfcode-*
          merge-multiple: true

      - name: Verify version
        working-directory: packages/tfcode
        run: |
          VERSION=$(node -p "require('./package.json').version")
          echo "Publishing version: $VERSION"
          if [ "$VERSION" != "${{ needs.check-version.outputs.new-version }}" ]; then
            echo "Version mismatch!"
            exit 1
          fi

      - name: Publish to NPM
        working-directory: packages/tfcode
        env:
          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
        run: |
          npm config set //registry.npmjs.org/:_authToken=$NODE_AUTH_TOKEN
          echo "📤 Publishing to NPM..."
          bun run publish:npm
          echo "✅ Published tfcode v${{ needs.check-version.outputs.new-version }}"

      - 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${{ needs.check-version.outputs.new-version }}" -m "tfcode v${{ needs.check-version.outputs.new-version }}"
          git push origin "v${{ needs.check-version.outputs.new-version }}"

      - name: Summary
        run: |
          echo "### ✅ tfcode Deployed Successfully" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "**Version:** ${{ needs.check-version.outputs.new-version }}" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "**Installation:**" >> $GITHUB_STEP_SUMMARY
          echo '```bash' >> $GITHUB_STEP_SUMMARY
          echo "npm install -g @toothfairyai/tfcode@${{ needs.check-version.outputs.new-version }}" >> $GITHUB_STEP_SUMMARY
          echo '```' >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "**NPM:** https://www.npmjs.com/package/@toothfairyai/tfcode/v/${{ needs.check-version.outputs.new-version }}" >> $GITHUB_STEP_SUMMARY