name: Release

on:
  push:
    tags:
      - 'v*.*.*'
  workflow_dispatch:
    inputs:
      tag:
        description: '要发布的 tag（例如 v0.24.0）'
        required: true

permissions:
  contents: write

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

jobs:
  release:
    runs-on: ubuntu-latest
    env:
      TAG: ${{ github.event_name == 'workflow_dispatch' && inputs.tag || github.ref_name }}
    steps:
      - name: Checkout tag
        uses: actions/checkout@v4
        with:
          ref: ${{ github.event_name == 'workflow_dispatch' && inputs.tag || github.ref_name }}
          fetch-depth: 0

      - name: Verify tag matches package.json
        run: |
          version="$(node -p "require('./package.json').version")"
          if [ "$TAG" != "v$version" ]; then
            echo "::error::tag $TAG 与 package.json 的 v$version 不一致"
            exit 1
          fi

      - name: Setup pnpm
        uses: pnpm/action-setup@v4
        with:
          version: 10

      - name: Setup Node
        uses: actions/setup-node@v4
        with:
          node-version: 22
          cache: pnpm

      - run: pnpm install --frozen-lockfile
      - run: pnpm check
      - run: pnpm test
      - run: pnpm build

      - name: Verify committed client bundle
        run: |
          if ! git diff --quiet -- lib/client.js; then
            echo "::error::lib/client.js 与 src/ 不一致：请本地 pnpm build 后提交再打 tag"
            git diff --stat -- lib/client.js
            exit 1
          fi

      - name: Generate release notes from changelog
        run: node scripts/release-notes.mjs --out release-notes.md

      - name: Append full changelog link
        run: |
          {
            echo ""
            echo "---"
            echo "完整版本历史：[docs/changelog.md](https://github.com/$GITHUB_REPOSITORY/blob/main/docs/changelog.md)"
          } >> release-notes.md

      - name: Pack npm tarball
        run: |
          mkdir -p dist
          npm pack --pack-destination dist

      - name: Create or update GitHub Release
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          if gh release view "$TAG" >/dev/null 2>&1; then
            gh release edit "$TAG" --title "$TAG" --notes-file release-notes.md
            gh release upload "$TAG" dist/*.tgz --clobber
          else
            gh release create "$TAG" dist/*.tgz \
              --title "$TAG" \
              --notes-file release-notes.md \
              --verify-tag
          fi