# App Expo 统一部署 Pipeline
#
# 环境映射（按触发源自动推断）：
#   main     → dev   (开发 + 内部测试)
#   staging  → stage (预发布)
#   v*.*.*   → prod  (正式发布)
#
# 手动触发：workflow_dispatch 可选择环境

name: App Expo Deploy

on:
  push:
    branches: [main, staging]
    tags: ['v*.*.*']
    paths:
      - "app-expo/**"
      - ".github/workflows/app-expo-deploy.yml"
  workflow_dispatch:
    inputs:
      environment:
        description: '部署环境'
        required: true
        type: choice
        options:
          - dev
          - stage
          - prod
        default: dev
      version:
        description: '版本号 (prod 时使用，如 1.0.0)'
        required: false
        type: string

concurrency:
  group: app-expo-deploy-${{ github.ref }}
  cancel-in-progress: true

env:
  APP_NAME: app-expo

jobs:
  deploy:
    name: Build & Deploy
    runs-on: ubuntu-latest
    permissions:
      contents: read
    # GitHub Environments: 在 Repo Settings → Environments 中创建 dev/staging/production，可配置独立 secrets
    environment: ${{ 
      (github.event_name == 'workflow_dispatch' && github.event.inputs.environment == 'prod') && 'production' ||
      (github.event_name == 'workflow_dispatch' && github.event.inputs.environment == 'stage') && 'staging' ||
      startsWith(github.ref, 'refs/tags/v') && 'production' ||
      github.ref == 'refs/heads/staging' && 'staging' ||
      'dev'
    }}

    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: ${{ startsWith(github.ref, 'refs/tags/') && '0' || '1' }}

      - name: Determine environment
        id: env
        run: |
          if [[ "${{ github.ref }}" == refs/tags/v* ]]; then
            echo "env=prod"
          elif [[ "${{ github.ref }}" == refs/heads/staging ]]; then
            echo "env=stage"
          elif [[ "${{ github.event_name }}" == "workflow_dispatch" ]]; then
            echo "env=${{ github.event.inputs.environment }}"
          else
            echo "env=dev"
          fi >> $GITHUB_OUTPUT

      - name: Set up Node.js
        uses: actions/setup-node@v4
        with:
          node-version: 20
          cache: npm
          cache-dependency-path: app-expo/package-lock.json

      - name: Install dependencies
        working-directory: app-expo
        run: npm ci

      - name: Quality checks (dev only)
        if: steps.env.outputs.env == 'dev'
        working-directory: app-expo
        run: |
          npm run format:check
          npm run lint
          npm run test:ci

      - name: Export web build
        working-directory: app-expo
        run: npx expo export -p web

      - name: Determine version (prod)
        if: steps.env.outputs.env == 'prod'
        id: version
        run: |
          if [[ "${{ github.ref }}" == refs/tags/v* ]]; then
            VERSION="${GITHUB_REF#refs/tags/v}"
            TAG_NAME="${GITHUB_REF#refs/tags/}"
          elif [[ "${{ github.event_name }}" == "workflow_dispatch" ]] && [[ -n "${{ github.event.inputs.version }}" ]]; then
            VERSION="${{ github.event.inputs.version }}"
            TAG_NAME="v${VERSION}"
          else
            VERSION=$(node -p "require('./app-expo/package.json').version")
            TAG_NAME="v${VERSION}"
          fi
          echo "version=${VERSION}" >> $GITHUB_OUTPUT
          echo "tag_name=${TAG_NAME}" >> $GITHUB_OUTPUT

      - name: Create release zip (prod)
        if: steps.env.outputs.env == 'prod'
        run: |
          cd app-expo/dist
          zip -r ../${{ env.APP_NAME }}-v${{ steps.version.outputs.version }}-web.zip .

      - name: Generate Release Notes (prod)
        if: steps.env.outputs.env == 'prod' && startsWith(github.ref, 'refs/tags/')
        id: release_notes
        run: |
          TAG_NAME="${{ steps.version.outputs.tag_name }}"
          PREV_TAG=$(git tag --sort=-creatordate | grep '^v' | sed -n '2p')
          if [ -n "$PREV_TAG" ]; then
            CHANGES=$(git log "${PREV_TAG}..HEAD" --pretty=format:"- %s (%h)" --no-merges)
          else
            CHANGES=$(git log --pretty=format:"- %s (%h)" --no-merges -20)
          fi
          {
            echo "notes<<EOF"
            echo "## ${APP_NAME} ${TAG_NAME}"
            echo ""
            echo "### 更新内容"
            echo ""
            echo "${CHANGES}"
            echo ""
            echo "---"
            echo "构建编号: #${GITHUB_RUN_NUMBER}"
            echo "EOF"
          } >> $GITHUB_OUTPUT

      - name: Upload artifact (dev / stage)
        if: steps.env.outputs.env != 'prod'
        uses: actions/upload-artifact@v4
        with:
          name: app-expo-web-${{ steps.env.outputs.env }}
          path: app-expo/dist
          retention-days: ${{ steps.env.outputs.env == 'dev' && '14' || '30' }}

      - name: Upload artifact (prod)
        if: steps.env.outputs.env == 'prod'
        uses: actions/upload-artifact@v4
        with:
          name: ${{ env.APP_NAME }}-v${{ steps.version.outputs.version }}-web
          path: app-expo/${{ env.APP_NAME }}-v${{ steps.version.outputs.version }}-web.zip
          retention-days: 90

      - name: Create GitHub Release (prod)
        if: steps.env.outputs.env == 'prod'
        uses: softprops/action-gh-release@v2
        with:
          tag_name: ${{ steps.version.outputs.tag_name }}
          name: "${{ env.APP_NAME }} ${{ steps.version.outputs.tag_name }}"
          body: ${{ steps.release_notes.outputs.notes || 'Release' }}
          draft: false
          prerelease: false
          files: app-expo/${{ env.APP_NAME }}-v${{ steps.version.outputs.version }}-web.zip
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        permissions:
          contents: write