# 部署文档站点到 GitHub Pages
name: Deploy Docs to Pages

# 触发条件
on:
  # 推送到 main 分支且 docs 目录有变更时触发
  push:
    branches: [main]
    paths:
      - "docs/**"

  # PR 到 main 分支且 docs 目录有变更时触发（仅构建，不部署）
  pull_request:
    branches: [main]
    paths:
      - "docs/**"

  # 允许手动触发
  workflow_dispatch:

# 设置 GitHub Pages 部署所需的权限
permissions:
  contents: read
  pages: write
  id-token: write

# 只允许一个并发部署
concurrency:
  group: pages
  cancel-in-progress: false

jobs:
  # 构建任务
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: "20"

      - name: Setup pnpm
        uses: pnpm/action-setup@v4
        with:
          version: 9

      - 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('docs/pnpm-lock.yaml') }}
          restore-keys: |
            ${{ runner.os }}-pnpm-store-

      - name: Setup Pages
        uses: actions/configure-pages@v5

      - name: Install dependencies
        run: pnpm install
        working-directory: docs

      - name: Build
        run: pnpm run generate
        working-directory: docs

      - name: Upload artifact
        uses: actions/upload-pages-artifact@v3
        with:
          path: docs/.output/public

  # 部署任务
  deploy:
    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}
    needs: build
    if: github.event_name != 'pull_request'
    runs-on: ubuntu-latest
    steps:
      - name: Deploy to GitHub Pages
        id: deployment
        uses: actions/deploy-pages@v4