name: Deploy im-manager (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(前端+后端一体，自包含多阶段构建)
        run: docker build -t im-manager:${{ steps.vars.outputs.tag }} .

      - name: 蓝绿部署
        env:
          MYSQL_DSN: ${{ secrets.MYSQL_DSN }}
          REDIS_ADDR: ${{ secrets.REDIS_ADDR }}
          REDIS_DB: ${{ secrets.REDIS_DB }}
          REDIS_PASSWORD: ${{ secrets.REDIS_PASSWORD }}
          TOKEN_SECRET_KEY: ${{ secrets.TOKEN_SECRET_KEY }}
        run: |
          IMAGE=im-manager:${{ steps.vars.outputs.tag }} /opt/apps/im-manager/deploy.sh