#-------------------------------------------------------------------
# Egalware 2021.05.25
#
# .\AppDeploy.ps1 -AppPool MP.STATS -SourceDir c:\Steamware\installers\MP\STATS -ZipFile MP.STATS.zip -DestDir c:\inetpub\wwwroot\MP\STATS2
#
# Powershell script per deploy applicazione Blazor / dotnet core
#
# requisito: modulo powershell x 7zip:
#  Set-ExecutionPolicy Bypass -Scope CurrentUser -Force
#  Install-Module -Name 7Zip4Powershell
#-------------------------------------------------------------------

# step 0: lettura variabili
param (
    [Parameter(Mandatory=$true)]
    [ValidateNotNull()]
    [string]$AppPool = "MP.STATS",
    
    [Parameter(Mandatory=$true)]
    [ValidateNotNull()]
    [string]$SourceDir,

    [Parameter(Mandatory=$true)]
    [ValidateNotNull()]
    [string]$ZipFile,

    [Parameter(Mandatory=$true)]
    [ValidateNotNull()]
    [string]$DestDir
)

# conf x logging
$logDir = "c:\Steamware\tmp"
$logFile = "$logDir\Script.log"
$logMirror = "$logDir\Mirror.log"
$utilDir = "c:\Steamware\tmp"
$installDir = "c:\Steamware\installers\"

# recupera timestamp x logging
function Get-TimeStamp 
{    
    return "[{0:MM/dd/yy} {0:HH:mm:ss}]" -f (Get-Date)   
}
# registra log!
function DoLog($txt2log)
{
    Write-Output "$(Get-TimeStamp) $txt2log" | Out-File $logFile -Append
}
# esegue e registra log
function ExecuteLog($txt2log)
{
   Write-Output "-------------------------------------------------------------------------------------------------------------------------------------------------" | Out-File -FilePath "$logFile" -Append
   Write-Output "$(Get-TimeStamp) $txt2log" | Out-File -FilePath "$logFile" -Append
   Invoke-Expression "$txt2log   2>&1 | Out-File -FilePath $logFile -Append"  
   if( $LASTEXITCODE -ne 0)
   {
      Write-Host "Error during cmmand: $txt2log" -ForegroundColor Red ; 
      Write-Host "Exit...." -ForegroundColor Red ; 
      Set-Location $PSScriptRoot
      exit
   }
}

# fix cartelle...
If (!(test-path $logFile))
{
    New-Item -ItemType Directory -Force -Path $logDir
    New-Item -ItemType File -Force -Path $logFile
    New-Item -ItemType File -Force -Path $logMirror
}

Write-Output "-------------------------------- START script --------------------------------" | Out-File $logFile
$StopWatch = New-Object System.Diagnostics.Stopwatch
$StopWatch.Start()


# step 1 : stop del pool applicazioni IIS
$currState = Get-WebAppPoolState -Name $AppPool
if($currState.value -eq "Started")
{
    Write-Host "Stop AppPool"
    ExecuteLog "Stop-WebAppPool -Name '$AppPool'"
}

# step 2 : cambio dir + unzip
Write-Host "Unzip"
cd $utilDir
ExecuteLog "7z x ""$SourceDir\$ZipFile"" "

# step 3 : replica applicazione
Write-Host "START copy step"
ExecuteLog "robocopy '$utilDir\publish\net8.0\' '$DestDir' /MIR /Z /LOG:'$logMirror'"
Write-Host "END copy step"

# step 4 : riavvio pool
Write-Host "Start AppPool"
ExecuteLog "Start-WebAppPool -Name '$AppPool'"

# step 5 : fix dir originale
cd $installDir