# Deploy GuruRMM Agent to AD2
# This script deploys the newly built agent with Claude Code integration

$ErrorActionPreference = "Stop"

Write-Host "[INFO] Starting GuruRMM agent deployment to AD2..."

# Credentials
$password = ConvertTo-SecureString 'Paper123!@#' -AsPlainText -Force
$cred = New-Object System.Management.Automation.PSCredential('INTRANET\sysadmin', $password)

# Paths
$localBinary = "D:\ClaudeTools\projects\msp-tools\guru-rmm\agent\target\release\gururmm-agent.exe"
$remotePath = "\\192.168.0.6\C$\Program Files\GuruRMM"
$remoteAgent = "$remotePath\gururmm-agent.exe"
$remoteBackup = "$remotePath\gururmm-agent.exe.backup"

# Connect to AD2
Write-Host "[INFO] Connecting to AD2 via SMB..."
New-PSDrive -Name AD2 -PSProvider FileSystem -Root "\\192.168.0.6\C$" -Credential $cred | Out-Null
Write-Host "[OK] Connected to AD2"

# Check if agent directory exists
if (Test-Path "AD2:\Program Files\GuruRMM") {
    Write-Host "[OK] GuruRMM directory found"
} else {
    Write-Host "[WARNING] GuruRMM directory not found - creating..."
    New-Item -Path "AD2:\Program Files\GuruRMM" -ItemType Directory | Out-Null
}

# Check for existing agent
if (Test-Path $remoteAgent) {
    $existingAgent = Get-Item $remoteAgent
    Write-Host "[OK] Found existing agent:"
    Write-Host "    Size: $([math]::Round($existingAgent.Length / 1MB, 2)) MB"
    Write-Host "    Modified: $($existingAgent.LastWriteTime)"
} else {
    Write-Host "[INFO] No existing agent found - this will be a fresh install"
}

# Stop the service
Write-Host "[INFO] Stopping gururmm-agent service on AD2..."
try {
    Invoke-Command -ComputerName 192.168.0.6 -Credential $cred -ScriptBlock {
        $service = Get-Service -Name "gururmm-agent" -ErrorAction SilentlyContinue
        if ($service) {
            if ($service.Status -eq "Running") {
                Stop-Service -Name "gururmm-agent" -Force
                Write-Host "[OK] Service stopped"
            } else {
                Write-Host "[INFO] Service already stopped"
            }
        } else {
            Write-Host "[WARNING] Service not found - may need to be installed"
        }
    }
} catch {
    Write-Host "[WARNING] Could not stop service via WinRM: $_"
    Write-Host "[INFO] Continuing with deployment..."
}

# Backup existing agent
if (Test-Path $remoteAgent) {
    Write-Host "[INFO] Backing up existing agent..."
    Copy-Item -Path $remoteAgent -Destination $remoteBackup -Force
    Write-Host "[OK] Backup created: gururmm-agent.exe.backup"
}

# Copy new agent
Write-Host "[INFO] Copying new agent to AD2..."
$localInfo = Get-Item $localBinary
Write-Host "    Source size: $([math]::Round($localInfo.Length / 1MB, 2)) MB"
Copy-Item -Path $localBinary -Destination $remoteAgent -Force
Write-Host "[OK] Agent copied successfully"

# Verify copy
$copiedAgent = Get-Item $remoteAgent
Write-Host "[OK] Verification:"
Write-Host "    Size: $([math]::Round($copiedAgent.Length / 1MB, 2)) MB"
Write-Host "    Modified: $($copiedAgent.LastWriteTime)"

# Start the service
Write-Host "[INFO] Starting gururmm-agent service on AD2..."
try {
    Invoke-Command -ComputerName 192.168.0.6 -Credential $cred -ScriptBlock {
        $service = Get-Service -Name "gururmm-agent" -ErrorAction SilentlyContinue
        if ($service) {
            Start-Service -Name "gururmm-agent"
            Start-Sleep -Seconds 2
            $service = Get-Service -Name "gururmm-agent"
            if ($service.Status -eq "Running") {
                Write-Host "[OK] Service started successfully"
            } else {
                Write-Host "[WARNING] Service not running - status: $($service.Status)"
            }
        } else {
            Write-Host "[WARNING] Service not found - manual installation may be required"
        }
    }
} catch {
    Write-Host "[WARNING] Could not start service via WinRM: $_"
    Write-Host "[INFO] You may need to start the service manually"
}

# Cleanup
Remove-PSDrive -Name AD2
Write-Host ""
Write-Host "[SUCCESS] Deployment complete!"
Write-Host ""
Write-Host "Next steps:"
Write-Host "1. Verify agent reconnected to GuruRMM server"
Write-Host "2. Test Claude task execution"
Write-Host ""