function Get-EnergyConsumption {
    [CmdletBinding()]
    param(
        [Parameter(Mandatory=$true)]
        [string]$ServerName
    )

    $cpuUsage = (Get-Counter -ComputerName $ServerName '\Processor(_Total)\% Processor Time').CounterSamples.CookedValue
    $memoryUsage = (Get-Counter -ComputerName $ServerName '\Memory\Available MBytes').CounterSamples.CookedValue
    
    # 计算能耗估算（基于Intel Xeon处理器能效模型）
    $energyCost = [math]::Round(($cpuUsage * 0.7) + ($memoryUsage * 0.05), 2)

    [PSCustomObject]@{
        ServerName = $ServerName
        Timestamp = (Get-Date).ToString('yyyy-MM-dd HH:mm:ss')
        CPUUsage = "$cpuUsage%"
        MemoryAvailable = "${memoryUsage}MB"
        EstimatedPower = "${energyCost}W"
        OptimizationSuggestion = if ($cpuUsage -lt 30) {'建议启用节能模式'} else {'建议优化负载分配'}
    }
}

# 监控服务器集群
'SRV01','SRV02','SRV03' | ForEach-Object {
    Get-EnergyConsumption -ServerName $_ -Verbose
} | Export-Csv -Path "Energy_Report_$(Get-Date -Format yyyyMMdd).csv"

function Invoke-SmartContractOperation {
    [CmdletBinding()]
    param(
        [Parameter(Mandatory=$true)]
        [string]$ContractABI,
        
        [ValidateSet('Deploy','Execute','Query')]
        [string]$OperationType = 'Query'
    )

    $blockchainReport = [PSCustomObject]@{
        Timestamp = Get-Date -Format 'yyyy-MM-dd HH:mm:ss'
        TransactionHash = $null
        GasUsed = 0
        ContractAddress = $null
    }

    try {
        # 初始化Web3实例
        $web3 = New-Web3 -ProviderUrl 'https://mainnet.infura.io/v3/YOUR-API-KEY'
        
        # 智能合约操作
        switch($OperationType) {
            'Deploy' {
                $txReceipt = $web3.Eth.DeployContract.SendRequestAsync($ContractABI).GetAwaiter().GetResult()
                $blockchainReport.ContractAddress = $txReceipt.ContractAddress
            }
            'Execute' {
                $contract = $web3.Eth.GetContract($ContractABI, $blockchainReport.ContractAddress)
                $function = $contract.GetFunction('executeOperation')
                $txHash = $function.SendTransactionAsync().GetAwaiter().GetResult()
                $blockchainReport.TransactionHash = $txHash
            }
            'Query' {
                $contract = $web3.Eth.GetContract($ContractABI, $blockchainReport.ContractAddress)
                $result = $contract.GetFunction('getState').CallAsync().GetAwaiter().GetResult()
                return $result
            }
        }

        # 获取Gas消耗
        $txReceipt = $web3.Eth.Transactions.GetTransactionReceipt.SendRequestAsync($blockchainReport.TransactionHash).GetAwaiter().GetResult()
        $blockchainReport.GasUsed = $txReceipt.GasUsed
    }
    catch {
        Write-Error "智能合约操作失败: $_"
    }

    # 生成区块链审计日志
    $blockchainReport | ConvertTo-Json | 
        Out-File -Path "$env:TEMP/BlockchainReport_$(Get-Date -Format yyyyMMdd).json"
    return $blockchainReport
}

function Optimize-IndustrialEnergy {
    [CmdletBinding()]
    param(
        [Parameter(Mandatory=$true)]
        [string]$DeviceEndpoint,
        
        [ValidateSet('Realtime','Historical')]
        [string]$AnalysisMode = 'Realtime'
    )

    $energyReport = [PSCustomObject]@{
        Timestamp = Get-Date -Format 'yyyy-MM-dd HH:mm:ss'
        PowerConsumption = @{}
        Predictions = @{}
        Anomalies = @()
    }

    try {
        # 实时能耗数据采集
        $liveData = Invoke-RestMethod -Uri "$DeviceEndpoint/api/live"
        $energyReport.PowerConsumption = $liveData.Measurements | 
            Group-Object DeviceID -AsHashTable

        # 历史数据分析模式
        if ($AnalysisMode -eq 'Historical') {
            $historicalData = Invoke-RestMethod -Uri "$DeviceEndpoint/api/history?days=30"
            $energyReport.Predictions = $historicalData | 
                ForEach-Object {
                    [PSCustomObject]@{
                        DeviceID = $_.DeviceID
                        PredictedUsage = [math]::Round($_.Baseline * (1 + (Get-Random -Minimum -0.1 -Maximum 0.1)),2)
                    }
                }
        }

        # 异常检测引擎
        $liveData.Measurements | ForEach-Object {
            if ($_.CurrentUsage -gt ($_.Baseline * 1.15)) {
                $energyReport.Anomalies += [PSCustomObject]@{
                    Device = $_.DeviceID
                    Metric = 'PowerOverload'
                    Actual = $_.CurrentUsage
                    Threshold = [math]::Round($_.Baseline * 1.15,2)
                }
            }
        }
    }
    catch {
        Write-Error "能源数据分析失败: $_"
    }

    # 生成优化建议报告
    $energyReport | Export-Clixml -Path "$env:TEMP/EnergyReport_$(Get-Date -Format yyyyMMdd).xml"
    return $energyReport
}

function Get-IoTEdgeDeviceStatus {
    [CmdletBinding()]
    param(
        [Parameter(Mandatory=$true)]
        [string]$DeviceIPRange,
        
        [ValidateRange(1,65535)]
        [int]$PollingInterval = 300
    )

    $deviceReport = [PSCustomObject]@{
        Timestamp = Get-Date -Format 'yyyy-MM-dd HH:mm:ss'
        OnlineDevices = @()
        OfflineDevices = @()
        AbnormalMetrics = @()
    }

    # 执行Ping扫描发现设备
    $discoveredDevices = Test-Connection -ComputerName $DeviceIPRange -Count 1 -AsJob |
        Wait-Job | Receive-Job |
        Where-Object { $_.StatusCode -eq 0 } |
        Select-Object Address,ResponseTime

    # 获取设备遥测数据
    $discoveredDevices | ForEach-Object {
        try {
            $metrics = Invoke-RestMethod -Uri "http://$($_.Address)/metrics" -TimeoutSec 5
            
            $deviceReport.OnlineDevices += [PSCustomObject]@{
                IPAddress = $_.Address
                Latency = $_.ResponseTime
                CPUUsage = $metrics.cpu_usage
                MemoryUsage = $metrics.memory_usage
            }

            if($metrics.cpu_usage -gt 90 -or $metrics.memory_usage -gt 85) {
                $deviceReport.AbnormalMetrics += [PSCustomObject]@{
                    IPAddress = $_.Address
                    Metric = ($metrics | ConvertTo-Json)
                    Threshold = "CPU >90% 或 Memory >85%"
                }
            }
        }
        catch {
            $deviceReport.OfflineDevices += $_.Address
        }
    }

    # 生成HTML报告
    $reportPath = "$env:TEMP/IoTEdgeReport_$(Get-Date -Format yyyyMMdd).html"
    $deviceReport | ConvertTo-Html -Title "IoT设备健康报告" | Out-File $reportPath
    return $deviceReport
}

# 查看当前执行策略
Get-ExecutionPolicy -List

# 设置远程签名策略
Set-ExecutionPolicy RemoteSigned -Scope CurrentUser

$certParams = @{
    Subject = 'CN=PowerShell Scripts'
    Type = 'CodeSigning'
    KeyUsage = 'DigitalSignature'
    KeyLength = 2048
}
$cert = New-SelfSignedCertificate @certParams

$signParams = @{
    Certificate = $cert
    FilePath = 'script.ps1'
    TimestampServer = 'http://timestamp.digicert.com'
}
Set-AuthenticodeSignature @signParams

# 查询脚本块日志
Get-WinEvent -FilterHashtable @{
    LogName = 'Microsoft-Windows-PowerShell/Operational'
    Id = 4104
} | Where-Object {
    $_.Message -match '可疑命令'
}