# 部署状态管理示例
# 演示如何在部署工作流中使用状态缓存来跟踪部署进度和状态

name: Cache State - 部署状态管理

on:
  push:
    branches: [main, develop]
  workflow_dispatch:
    inputs:
      environment:
        description: '部署环境'
        required: true
        default: 'staging'
        type: choice
        options:
          - staging
          - production
      force_deploy:
        description: '强制部署（忽略上次部署状态）'
        required: false
        default: false
        type: boolean

jobs:
  check-deployment-state:
    runs-on: ubuntu-latest
    outputs:
      should-deploy: ${{ steps.deploy-decision.outputs.should-deploy }}
      last-deployed-sha: ${{ steps.last-deploy.outputs.state-value }}
      environment: ${{ steps.env-state.outputs.state-value }}
    steps:
      - name: 检出代码
        uses: actions/checkout@v4

      - name: 获取环境配置
        id: env-state
        uses: .actions/xgj/cache-state@v1
        with:
          state-key: 'target-environment-${{ github.ref_name }}'
          state-value: ${{ github.event.inputs.environment || 'staging' }}
          default-value: 'staging'
          cache-prefix: 'deploy-env'

      - name: 检查上次部署的SHA
        id: last-deploy
        uses: .actions/xgj/cache-state@v1
        with:
          state-key: 'last-deployed-sha-${{ steps.env-state.outputs.state-value }}'
          default-value: 'none'
          action: 'get'

      - name: 检查部署状态
        id: deploy-status
        uses: .actions/xgj/cache-state@v1
        with:
          state-key: 'deploy-status-${{ steps.env-state.outputs.state-value }}'
          default-value: 'idle'
          action: 'get'

      - name: 决定是否需要部署
        id: deploy-decision
        run: |
          FORCE_DEPLOY="${{ github.event.inputs.force_deploy }}"
          LAST_SHA="${{ steps.last-deploy.outputs.state-value }}"
          CURRENT_SHA="${{ github.sha }}"
          DEPLOY_STATUS="${{ steps.deploy-status.outputs.state-value }}"
          
          echo "🔍 部署决策分析:"
          echo "  - 强制部署: ${FORCE_DEPLOY}"
          echo "  - 上次部署SHA: ${LAST_SHA}"
          echo "  - 当前SHA: ${CURRENT_SHA}"
          echo "  - 部署状态: ${DEPLOY_STATUS}"
          
          if [[ "${FORCE_DEPLOY}" == "true" ]]; then
            echo "✅ 强制部署模式，将执行部署"
            echo "should-deploy=true" >> $GITHUB_OUTPUT
          elif [[ "${DEPLOY_STATUS}" == "deploying" ]]; then
            echo "⚠️ 检测到正在进行的部署，跳过"
            echo "should-deploy=false" >> $GITHUB_OUTPUT
          elif [[ "${LAST_SHA}" != "${CURRENT_SHA}" || "${LAST_SHA}" == "none" ]]; then
            echo "✅ 检测到新的变更，需要部署"
            echo "should-deploy=true" >> $GITHUB_OUTPUT
          else
            echo "ℹ️ 没有新的变更，跳过部署"
            echo "should-deploy=false" >> $GITHUB_OUTPUT
          fi

  deploy:
    needs: check-deployment-state
    if: needs.check-deployment-state.outputs.should-deploy == 'true'
    runs-on: ubuntu-latest
    environment: ${{ needs.check-deployment-state.outputs.environment }}
    steps:
      - name: 检出代码
        uses: actions/checkout@v4

      - name: 标记部署开始
        uses: .actions/xgj/cache-state@v1
        with:
          state-key: 'deploy-status-${{ needs.check-deployment-state.outputs.environment }}'
          state-value: 'deploying'
          action: 'set'

      - name: 记录部署开始时间
        uses: .actions/xgj/cache-state@v1
        with:
          state-key: 'deploy-start-time-${{ needs.check-deployment-state.outputs.environment }}'
          state-value: ${{ github.run_started_at }}
          action: 'set'

      - name: 模拟部署过程
        run: |
          echo "🚀 开始部署到 ${{ needs.check-deployment-state.outputs.environment }} 环境..."
          echo "📦 部署版本: ${{ github.sha }}"
          
          # 模拟部署步骤
          for i in {1..5}; do
            echo "  步骤 ${i}/5: 部署进行中..."
            sleep 2
          done
          
          echo "✅ 部署完成!"

      - name: 记录成功部署的SHA
        if: success()
        uses: .actions/xgj/cache-state@v1
        with:
          state-key: 'last-deployed-sha-${{ needs.check-deployment-state.outputs.environment }}'
          state-value: ${{ github.sha }}
          action: 'set'

      - name: 标记部署成功
        if: success()
        uses: .actions/xgj/cache-state@v1
        with:
          state-key: 'deploy-status-${{ needs.check-deployment-state.outputs.environment }}'
          state-value: 'success'
          action: 'set'

      - name: 记录部署完成时间
        if: success()
        uses: .actions/xgj/cache-state@v1
        with:
          state-key: 'deploy-end-time-${{ needs.check-deployment-state.outputs.environment }}'
          state-value: ${{ github.event.head_commit.timestamp }}
          action: 'set'

      - name: 标记部署失败
        if: failure()
        uses: .actions/xgj/cache-state@v1
        with:
          state-key: 'deploy-status-${{ needs.check-deployment-state.outputs.environment }}'
          state-value: 'failed'
          action: 'set'

      - name: 记录失败信息
        if: failure()
        uses: .actions/xgj/cache-state@v1
        with:
          state-key: 'deploy-error-${{ needs.check-deployment-state.outputs.environment }}'
          state-value: 'Deployment failed at ${{ github.event.head_commit.timestamp }}'
          action: 'set'

  post-deploy:
    needs: [check-deployment-state, deploy]
    if: always() && needs.check-deployment-state.outputs.should-deploy == 'true'
    runs-on: ubuntu-latest
    steps:
      - name: 获取最终部署状态
        id: final-status
        uses: .actions/xgj/cache-state@v1
        with:
          state-key: 'deploy-status-${{ needs.check-deployment-state.outputs.environment }}'
          default-value: 'unknown'
          action: 'get'

      - name: 部署状态总结
        run: |
          echo "📊 部署状态总结:"
          echo "  - 环境: ${{ needs.check-deployment-state.outputs.environment }}"
          echo "  - 最终状态: ${{ steps.final-status.outputs.state-value }}"
          echo "  - 部署SHA: ${{ github.sha }}"
          
          if [[ "${{ steps.final-status.outputs.state-value }}" == "success" ]]; then
            echo "🎉 部署成功完成!"
          elif [[ "${{ steps.final-status.outputs.state-value }}" == "failed" ]]; then
            echo "❌ 部署失败，请检查日志"
          else
            echo "⚠️ 部署状态未知"
          fi

      # 清理部署锁定状态（如果需要）
      - name: 清理部署锁定
        if: always()
        uses: .actions/xgj/cache-state@v1
        with:
          state-key: 'deploy-status-${{ needs.check-deployment-state.outputs.environment }}'
          state-value: 'idle'
          action: 'set'