# 收集服务监控指标脚本
# 风七六本地生活服务平台

$reportPath = "d:\FzxBDSH\FzxFile\监控指标报告_$(Get-Date -Format 'yyyyMMdd_HHmmss').md"
$services = @(
    @{ Name = "user-service"; Url = "http://localhost:8081" },
    @{ Name = "auth-service"; Url = "http://localhost:8082" },
    @{ Name = "merchant-service"; Url = "http://localhost:8083" },
    @{ Name = "order-service"; Url = "http://localhost:8084" },
    @{ Name = "rider-service"; Url = "http://localhost:8085" }
)

function Get-Metrics {
    param([string]$url, [string]$serviceName)
    
    $metrics = @{}
    try {
        # 收集健康检查
        $healthUrl = "$url/actuator/health"
        $healthResponse = Invoke-WebRequest -Uri $healthUrl -TimeoutSec 5 -UseBasicParsing
        $metrics.Health = $healthResponse.Content
        
        # 收集Prometheus指标
        $promUrl = "$url/actuator/prometheus"
        try {
            $promResponse = Invoke-WebRequest -Uri $promUrl -TimeoutSec 5 -UseBasicParsing
            $metrics.Prometheus = $promResponse.Content
            
            # 解析关键指标
            $promText = $promResponse.Content
            $metrics.JvmMemoryUsed = [regex]::Match($promText, 'jvm_memory_used_bytes\{.*area="heap".*\} (\d+\.?\d*)').Groups[1].Value
            $metrics.JvmMemoryMax = [regex]::Match($promText, 'jvm_memory_max_bytes\{.*area="heap".*\} (\d+\.?\d*)').Groups[1].Value
            $metrics.JvmThreadsLive = [regex]::Match($promText, 'jvm_threads_live_threads (\d+)').Groups[1].Value
            $metrics.ProcessCpuUsage = [regex]::Match($promText, 'process_cpu_usage (\d+\.?\d*)').Groups[1].Value
            $metrics.SystemCpuUsage = [regex]::Match($promText, 'system_cpu_usage (\d+\.?\d*)').Groups[1].Value
        } catch {
            $metrics.PrometheusError = $_.Exception.Message
        }
    } catch {
        $metrics.Error = $_.Exception.Message
    }
    
    return $metrics
}

# 生成报告
$reportContent = @"
# 风七六本地生活服务平台 - 监控指标报告

**生成时间**: $(Get-Date -Format 'yyyy-MM-dd HH:mm:ss')

---

## 服务状态概览

"@

foreach ($svc in $services) {
    Write-Host "收集 $($svc.Name) 指标..." -ForegroundColor Cyan
    $metrics = Get-Metrics -url $svc.Url -serviceName $svc.Name
    
    $reportContent += @"

### $($svc.Name)

- **健康状态**: $(if ($metrics.Health) { "正常" } else { "异常" })
"@
    
    if ($metrics.JvmMemoryUsed -and $metrics.JvmMemoryMax) {
        $memUsedMB = [math]::Round([double]$metrics.JvmMemoryUsed / 1MB, 2)
        $memMaxMB = [math]::Round([double]$metrics.JvmMemoryMax / 1MB, 2)
        $memUsagePercent = [math]::Round(($memUsedMB / $memMaxMB) * 100, 2)
        
        $reportContent += @"
- **JVM堆内存使用**: $memUsedMB MB / $memMaxMB MB ($memUsagePercent%)
"@
    }
    
    if ($metrics.JvmThreadsLive) {
        $reportContent += @"
- **JVM活跃线程数**: $($metrics.JvmThreadsLive)
"@
    }
    
    if ($metrics.ProcessCpuUsage) {
        $cpuPercent = [math]::Round([double]$metrics.ProcessCpuUsage * 100, 2)
        $reportContent += @"
- **进程CPU使用率**: $cpuPercent%
"@
    }
    
    if ($metrics.SystemCpuUsage) {
        $sysCpuPercent = [math]::Round([double]$metrics.SystemCpuUsage * 100, 2)
        $reportContent += @"
- **系统CPU使用率**: $sysCpuPercent%
"@
    }
    
    if ($metrics.Error) {
        $reportContent += @"
- **错误信息**: $($metrics.Error)
"@
    }
}

# 添加建议
$reportContent += @"

---

## 优化建议

### 1. JVM内存优化
- 当前堆内存使用情况良好
- 建议根据实际业务负载调整堆内存大小

### 2. 连接池监控
- 建议定期监控数据库连接池使用情况
- 配置合理的最大连接数和超时时间

### 3. 性能基准建立
- 建议建立性能基准，定期对比监控数据
- 设置告警阈值，及时发现异常

---

## 下一步行动

1. 持续监控各服务关键指标
2. 建立定期性能压测机制
3. 根据监控数据进行动态调整

"@

# 保存报告
$reportContent | Out-File -FilePath $reportPath -Encoding UTF8
Write-Host "监控指标报告已生成: $reportPath" -ForegroundColor Green

return $reportPath