aws-amplify.yml

name: Deploy Next.js to AWS Amplify

on:
  pull_request:
    branches: [ "main" ]
    paths:
      - .github/workflows/aws-amplify.yml
      - client/**
      - assistant/**

env: 
  AWS_REGION: ${{ vars.AWS_REGION }}
  NEXT_PUBLIC_API_DOMAIN: ${{ vars.NEXT_PUBLIC_API_DOMAIN }}
  AMPLIFY_APP_ID: ${{ vars.AMPLIFY_APP_ID }}
  S3_BUCKET: ${{ vars.S3_BUCKET }}

permissions:
  id-token: write
  contents: read

jobs:
  deploy:
    runs-on: ubuntu-latest
    strategy: 
      matrix: 
        node-version: [18.x]

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Cache node modules
        uses: actions/cache@v2 
        with:
          path: client/node_modules
          key: ${{ runner.os }}-node-${{ hashFiles('client/**/package-lock.json') }}
          restore-keys: |
            ${{ runner.os }}-node-
      
      - name: Node ${{ matrix.node-version }}
        uses: actions/setup-node@v3
        with:
          node-version: ${{ matrix.node-version }}

      - name: Configure AWS credentials
        uses: aws-actions/configure-aws-credentials@v4
        with:
          role-to-assume: arn:aws:iam::654654285942:role/Github-OIDC
          audience: sts.amazonaws.com
          aws-region: ${{ env.AWS_REGION }}
      
      - name: Configure Amplify CLI
        run: npm install -g @aws-amplify/cli
  
      - name: Install Dependencies
        run: npm install
        working-directory: ./client  # 仅在 ./client 目录下安装 Next.js 项目的依赖项
      
      - name: Build Amplify App
        run: npm run build
        working-directory: ./client  # 仅在 ./client 目录下构建 Next.js 应用程序

      - name: Zip Build Folder
        run: zip -r build.zip ./.next
        working-directory: ./client

      - name: Upload Build to S3
        run: |
          aws s3 cp ./client/build.zip s3://${{ env.S3_BUCKET }}/builds/${{ github.sha }}.zip

      - name: Check if branch exists in Amplify
        id: check_branch
        run: |
          branch_name="${{ github.head_ref }}"
          app_id="${{ vars.AMPLIFY_APP_ID }}"

          branch_exists=$(aws amplify list-branches --app-id $app_id --query "branches[?branchName=='$branch_name'].branchName" --output text)
          
          if [ -z "$branch_exists" ]; then
            echo "Branch $branch_name does not exist. Creating branch..."
            aws amplify create-branch --app-id $app_id --branch-name $branch_name
          else
            echo "Branch $branch_name already exists."
          fi

      - name: Start Amplify deployment
        run: |
          branch_name="${{ github.head_ref }}"
          app_id="${{ vars.AMPLIFY_APP_ID }}"
          source_url="s3://${{ env.S3_BUCKET }}/builds/${{ github.sha }}.zip"
          
          aws amplify start-deployment --app-id $app_id --branch-name $branch_name --source-url $source_url --output json > deployment.json

      - name: Output deployment details
        run: |
          cat deployment.json