name: Auto Bump and Publish

on:
  push:
    branches:
      - main
  workflow_dispatch:
    inputs:
      bump:
        description: Version bump type
        required: true
        default: patch
        type: choice
        options:
          - patch
          - minor
          - major

permissions:
  contents: write
  id-token: write

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: false

jobs:
  bump-and-publish:
    if: github.actor != 'github-actions[bot]'
    runs-on: ubuntu-latest

    steps:
      - name: Determine bump type
        id: bump_type
        run: echo "value=${{ github.event_name == 'workflow_dispatch' && github.event.inputs.bump || 'patch' }}" >> "$GITHUB_OUTPUT"

      - name: Wait 5 minutes for more commits
        if: github.event_name != 'workflow_dispatch'
        run: sleep 300

      - name: Checkout latest branch
        uses: actions/checkout@v4
        with:
          ref: ${{ github.ref_name }}
          fetch-depth: 0

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: "24"
          registry-url: "https://registry.npmjs.org"

      - name: Install dependencies
        run: npm ci

      - name: Sync version with npm registry
        id: sync
        run: |
          # npm 레지스트리에 이미 publish된 최신 버전을 확인하여
          # 로컬 package.json과 불일치하면 동기화한다.
          # (이전 CI에서 publish 성공 후 commit이 실패한 경우 발생)
          LOCAL=$(node -p "require('./package.json').version")
          REMOTE=$(npm view damn-my-slow-skt version 2>/dev/null || echo "0.0.0")
          echo "local=$LOCAL remote=$REMOTE"

          if npx semver "$REMOTE" -r ">$LOCAL" > /dev/null 2>&1; then
            echo "⚠️ npm registry ($REMOTE) > local ($LOCAL). Syncing..."
            npm version "$REMOTE" --no-git-tag-version --allow-same-version
          fi

      - name: Bump version
        id: bump
        run: |
          npm version ${{ steps.bump_type.outputs.value }} --no-git-tag-version
          VERSION=$(node -p "require('./package.json').version")
          echo "version=$VERSION" >> "$GITHUB_OUTPUT"

      - name: Build
        run: npm run build

      - name: Commit and push version bump
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"

          git add package.json package-lock.json 2>/dev/null || true

          if git diff --cached --quiet; then
            echo "No changes to commit."
          else
            git commit -m "chore: auto bump ${{ steps.bump_type.outputs.value }} to v${{ steps.bump.outputs.version }}"
            git push origin HEAD:${{ github.ref_name }}
          fi

      - name: Publish to npm (Trusted Publishers OIDC)
        run: npm publish --provenance --access public

      - name: Tag and release
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"

          git tag "v${{ steps.bump.outputs.version }}"
          git push origin "v${{ steps.bump.outputs.version }}"
          gh release create "v${{ steps.bump.outputs.version }}" --generate-notes