name: Deploy Backend (Blue-Green)

on:
  workflow_dispatch:
    inputs:
      image_tag:
        description: '镜像tag，留空则使用commit短哈希'
        required: false

jobs:
  deploy:
    runs-on: deploy-host
    steps:
      - uses: actions/checkout@v4

      - name: 确定镜像tag
        id: vars
        run: |
          TAG="${{ github.event.inputs.image_tag }}"
          [ -z "$TAG" ] && TAG=$(git rev-parse --short HEAD)
          echo "tag=$TAG" >> "$GITHUB_OUTPUT"

      - name: 构建镜像(从本仓库源码编译，非下载官方release)
        run: docker build -t im-server:${{ steps.vars.outputs.tag }} -f docker/tinode/Dockerfile.build .

      - name: 蓝绿部署
        env:
          MYSQL_DSN: ${{ secrets.MYSQL_DSN }}
          REDIS_ADDR: ${{ secrets.REDIS_ADDR }}
          REDIS_PASSWORD: ${{ secrets.REDIS_PASSWORD }}
          API_KEY_SALT: ${{ secrets.API_KEY_SALT }}
          AUTH_TOKEN_KEY: ${{ secrets.AUTH_TOKEN_KEY }}
          UID_ENCRYPTION_KEY: ${{ secrets.UID_ENCRYPTION_KEY }}
          ADMIN_INTERNAL_API_BASE_URL: ${{ secrets.ADMIN_INTERNAL_API_BASE_URL }}
          ADMIN_INTERNAL_API_SECRET: ${{ secrets.ADMIN_INTERNAL_API_SECRET }}
          INTERNAL_API_HOTGO_SECRET: ${{ secrets.INTERNAL_API_HOTGO_SECRET }}
        run: |
          IMAGE=im-server:${{ steps.vars.outputs.tag }} /opt/apps/im-server/deploy.sh