# ------------------------------------------------------------------------------------------------------------------------------
#  AUTEUR : François ALBERT le 28/06/2022
# ------------------------------------------------------------------------------------------------------------------------------
#
# Paramètres possibles à l'exécution :
#
# -UnInstall   = Désinstallation
# -Install     = Installation
# -PostInstall = PostInstallation
# -Trace       = Débogage
#
Param(
	[Parameter(Mandatory=$False)]
	[Switch]$UnInstall,
	[Parameter(Mandatory=$False)]
	[Switch]$Install,
	[Parameter(Mandatory=$False)]
	[Switch]$PostInstall,
	[Parameter(Mandatory=$False)]
	[Switch]$RollBack,
	[Parameter(Mandatory=$False)]
	[Switch]$Trace
)

# ------------------------------------------------------------------------------------------------------------------------------
#  PACKAGE / VERSION
# ------------------------------------------------------------------------------------------------------------------------------
[String]$AppName          = 'Duplicati - IPR Foton'
[String]$AppVersion       = '2.0.6.3'

# ------------------------------------------------------------------------------------------------------------------------------
#  SCRIPT
# ------------------------------------------------------------------------------------------------------------------------------
Try {

	# Positionnement du Débogage (Trace) si demandé
	If ($Trace) {
		$Global:EnableDebugMessage = $True
	}

	# -----------------
	#  INITIALISATIONS
	# -----------------
	$ScriptTime                 = [Diagnostics.Stopwatch]::StartNew()
	[String]$CurrentScript      = $MyInvocation.MyCommand.Definition										# Chemin complet de ce script
	[String]$CurrentPath        = Split-Path -Path $CurrentScript -Parent									# Dossier parent de ce script
	[String]$ScriptParameters   = ($MyInvocation.BoundParameters.Keys | Out-String) -Replace("`r`n"," ")	# Liste des paramètres
	[String]$LogPath            = $($ENV:SystemRoot + '\Logs\UR1_Software')																			# Dossier parent du fichier de log
	[String]$Global:LogFile     = $($LogPath + '\' + $AppName + '-' + $AppVersion + '-' + $(Get-Date -UFormat '%Y%m%d-%Hh%M') + '.log')				# Chemin complet du fichier de log
	If ($RollBack) {
		[String]$Global:LogFile = $($LogPath + '\RollBack - ' + $AppName + '-' + $AppVersion + '-' + $(Get-Date -UFormat '%Y%m%d-%Hh%M') + '.log')	# Chemin complet du fichier de log du RollBack
	}

	# ---------------------
	#  IMPORT DE MODULE(S)
	# ---------------------
	Import-Module "$CurrentPath\Bin\Module_UR1.psd1" -ErrorAction 'Stop'

	# -----------------------
	#  INITIALISATION DU LOG
	# -----------------------
	Write-Log -Message "****************************************************************************************************"	-Component $CurrentScript -LogFile $LogFile
	Write-Log -Message "Début d'exécution de '$AppName - $AppVersion'"															-Component $CurrentScript -LogFile $LogFile
	Write-Log -Message "Script     : $CurrentScript"																			-Component $CurrentScript -LogFile $LogFile
	Write-Log -Message "Paramètres : $ScriptParameters"																			-Component $CurrentScript -LogFile $LogFile
	Write-Log -Message "****************************************************************************************************"	-Component $CurrentScript -LogFile $LogFile

	# -------------------------------------------
	#  DÉFINITION DES VARIABLES SYSTÈME & SCRIPT
	# -------------------------------------------
	Set-ScriptVariables

	# Variables disponibles : variables système standard +
	#		$Arch, $CommonProgFiles, $CommonProgFiles86, $Default, $Desktop, $HomeDrive, $Msiexec, $OS, $OSName, $OSServicePack, $OSVersion,
	#		$ProgFiles, $ProgFiles86, $ProcessArch, $Public, $Reg, $SchTasks, $StartMenu, $UserDesktop, $UsersProfile, $UserStartMenu
	#

	# ------------------------------------------------------------------------------------------------------------------------------
	#  UNINSTALL
	# ------------------------------------------------------------------------------------------------------------------------------
	If ($UnInstall) {
		[String]$Step = 'Désinstallation'
		Write-Verbose "$(Get-Date -UFormat '%H:%M:%S') - $Step en cours...`r`n"
		Write-Log -Message " " -LogFile $LogFile
		Write-Log -Message "*****   $($Step.ToUpper())   **********************************************************************************************"	-Component $CurrentScript -LogFile $LogFile

		#
		#	Début des commandes de Désinstallation
		#	--------------------------------------
		#

		# Interaction avec un utilisateur éventuellement connecté si process en cours
		#
		$Process = Invoke-KillProcessWithPopUp -AppName $AppName -PackageVersion $AppVersion -Process $('Duplicati.GUI.TrayIcon')
		If ($Process -gt '1') {
			# Le code retour de l'interaction est supérieur à 1, on sort du script
			$ExitUR1 = 1000
			Throw "Script annulé par l'utilisateur ou Process ouvert"
		}
		#
		# Le code retour de l'interaction est 0 ou 1, on poursuit

		# Désinstallation toutes versions
		#
		[HashTable[]]$Versions =
			@{Version = "2.0.5.1" ; Guid = "{FC1F2B24-1783-4352-98E9-669896601613}"},
			@{Version = "2.0.6.3" ; Guid = "{D2A5D819-4FA0-493B-8D37-9531C659D95A}"}

		ForEach ($Version in $Versions) {
			# Si exécutable
			Foreach ($Uninst in $Version.Uninst) {
				If ($Uninst -ne $null) {
					If (Test-Path -Path $Uninst -PathType 'Leaf') {
						If (!($Version.ExitCode)) { $Version.ExitCode = '0' }
						Write-Log -Message " " -LogFile $LogFile
						Write-Log -Message $('Désinstallation EXECUTABLE de la version : ' + $Version.Version) -Component $CurrentScript -LogFile $LogFile
						Write-Log -Message $('   --> Désinstalleur : "' + $Uninst + '"') -Component $CurrentScript -LogFile $LogFile
						Write-Log -Message $('   --> Arguments : "' + $Version.Arguments + '"') -Component $CurrentScript -LogFile $LogFile
						Write-Log -Message $('   --> ExitCode attendu : "' + $Version.ExitCode + '"') -Component $CurrentScript -LogFile $LogFile
						Invoke-LaunchProcess -Path $Uninst -ArgumentList $Version.Arguments -WorkingDirectory $(Split-Path -Path $Uninst -Parent) -ExitCode $Version.ExitCode -NoNewWindow -LogFile $LogFile | Out-Null
					}
				}
			}
			# Si MSI
			$RegUninst64 = 'Registry::HKLM\Software\Microsoft\Windows\CurrentVersion\Uninstall\'
			$RegUninst   = 'Registry::HKLM\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\'
			ForEach ($Guid in $Version.Guid) {
				If ($Guid -ne $null) {
					If ((Test-Path -Path $("$RegUninst64" + "$Guid")) -or (Test-Path -Path $("$RegUninst" + "$Guid"))) {
						Write-Log -Message " " -LogFile $LogFile
						Write-Log -Message $('Désinstallation MSI de la version : ' + $Version.Version) -Component $CurrentScript -LogFile $LogFile
						Write-Log -Message $('   --> Guid : "' + $Guid + '"') -Component $CurrentScript -LogFile $LogFile
						Write-Log -Message $('   --> ExitCode attendu : "' + $Version.ExitCode + '"') -Component $CurrentScript -LogFile $LogFile
						Invoke-MsiInstall -Action 'Uninstall' -ProductCode $Guid -ExitCode $Version.ExitCode -NoLog | Out-Null
						If (Test-Path -Path $("$RegUninst64" + "$Guid")) {
							Write-Log -Message $('Suppression dans le registre : ' + $("$RegUninst64" + "$Guid")) -Component $CurrentScript -LogFile $LogFile
							Remove-Item -Path $("$RegUninst64" + "$Guid") -Recurse -Force -ErrorAction SilentlyContinue | Out-Null
						}
						If (Test-Path -Path $("$RegUninst" + "$Guid")) {
							Write-Log -Message $('Suppression dans le registre : ' + $("$RegUninst" + "$Guid")) -Component $CurrentScript -LogFile $LogFile
							Remove-Item -Path $("$RegUninst" + "$Guid") -Recurse -Force -ErrorAction SilentlyContinue | Out-Null
						}
					}
				}
			}
		}
		Write-Log -Message " " -LogFile $LogFile

		# Suppression de la clé de registre indiquant la présence de l'application
		#
		Remove-RegistryKey -Key "HKEY_LOCAL_MACHINE\SOFTWARE\UR1_Software\$AppName" -Recurse -LogFile $LogFile

		#
		#	Fin des commandes de Désinstallation
		#	------------------------------------
		#
	}

	# ------------------------------------------------------------------------------------------------------------------------------
	#  INSTALL
	# ------------------------------------------------------------------------------------------------------------------------------
	If ($Install) {
		[String]$Step = 'Installation'
		Write-Verbose "$(Get-Date -UFormat '%H:%M:%S') - $Step en cours...`r`n"
		Write-Log -Message " " -LogFile $LogFile
		Write-Log -Message "*****   $($Step.ToUpper())   **************************************************************************************************"	-Component $CurrentScript -LogFile $LogFile

		#
		#	Début des commandes d'Installation
		#	----------------------------------
		#

		Invoke-MsiInstall -Path "$Currentpath\Sources\duplicati-2.0.6.3_beta_2021-06-17-x64.msi" -LogFile $LogFile | Out-Null

		#
		#	Fin des commandes d'Installation
		#	--------------------------------
		#
	}

	# ------------------------------------------------------------------------------------------------------------------------------
	#  POSTINSTALL
	# ------------------------------------------------------------------------------------------------------------------------------
	If ($PostInstall) {
		[String]$Step = 'PostInstallation'
		Write-Verbose "$(Get-Date -UFormat '%H:%M:%S') - $Step en cours...`r`n"
		Write-Log -Message " " -LogFile $LogFile
		Write-Log -Message "*****   $($Step.ToUpper())   ********************************************************************************************"	-Component $CurrentScript -LogFile $LogFile

		#
		#	Début des commandes de PostInstallation
		#	---------------------------------------
		#
		[String]$NOMMACHINE 		= "$ENV:COMPUTERNAME"
		[String]$ENTITE			  	= 'IPR'

		$GetWMIObject = Get-WMIObject Win32_ComputerSystem -Computername $NOMMACHINE
		[String]$CurrentUser = ($GetWMIObject.UserName).Substring(3,($GetWMIObject.UserName).length-3)


		# Ménage
		#
		[String[]]$AllItems = "$Desktop\Duplicati 2.lnk"
		ForEach ($Item in $AllItems) {
			If (Test-Path -Path $Item -PathType 'Container') {
				Write-Log -Message $('Suppression de dossier : ' + $Item) -Component $CurrentScript -LogFile $LogFile
				Remove-Item -Path $Item -Recurse -Force -ErrorAction Stop | Out-Null
			} Else {
				If (Test-Path -Path $Item -PathType 'Leaf') {
					Write-Log -Message $('Suppression de fichier : ' + $Item) -Component $CurrentScript -LogFile $LogFile
					Remove-Item -Path $Item -Force -ErrorAction Stop | Out-Null
				}
			}
		}


		# ----------------------------------------
		#  Creation et copie du fichier de config
		# ----------------------------------------

		if (!(test-path "D:\Home\$CurrentUser\Duplicati\"))
		{
			New-Item "D:\Home\$CurrentUser\Duplicati\" -itemType Directory
		}
		if (!(test-path "D:\Home\$CurrentUser\Duplicati\.ssh\"))
		{
			New-Item "D:\Home\$CurrentUser\Duplicati\.ssh\" -itemType Directory
		}

		$Fichier = get-content "$Currentpath\Files\sauvegarde.duplicati.config.json"

		#Detection si la machine fait partie de l'entitée FOTON sinon on fait la config pour l'IPR
		if (("$ENV:COMPUTERNAME").Substring(2,3) -eq "034" )
		{
			$ENTITE = "FOTON"
		}

		switch ($ENTITE)
		{
			IPR
			{
				if (!(test-path "D:\Home\$CurrentUser\Duplicati\.ssh\duplicati_id_ed25519"))
				{
					ssh-keygen -t ed25519 -f "D:\Home\$CurrentUser\Duplicati\.ssh\duplicati_id_ed25519" -q -N '""'
					Write-Log -Message "Création des clefs SSH ed25519 IPR" -Component $CurrentScript -LogFile $LogFile

					Send-MailMessage -SmtpServer smtpint.univ-rennes1.fr -From "$CurrentUser@univ-rennes.fr" -To IPR.ADMIN.EMAIL@univ-rennes.fr -Subject "$Hostname $CurrentUser - Nouvelle clef Duplicati" -Attachments D:\Home\$CurrentUser\Duplicati\.ssh\duplicati_id_ed25519.pub
				}
				$fichier = $fichier -replace "TARGETURLUR", "ssh://duplicati.ipr.univ-rennes1.fr//home//$CurrentUser//$NOMMACHINE//?auth-username=$CurrentUser&ssh-fingerprint=ssh-ed25519 32 4A:2D:A0:5F:66:7A:D5:3A:F4:B2:63:EC:EE:1E:D0:21&ssh-keyfile=D:\\Home\\$CurrentUser\\Duplicati\\.ssh\\duplicati_id_ed25519"
			}
			FOTON
			{
				if (!(test-path "D:\Home\$CurrentUser\Duplicati\.ssh\id_rsa_duplicati"))
				{
					ssh-keygen -t rsa -f "D:\Home\$CurrentUser\Duplicati\.ssh\id_rsa_duplicati" -q -N '""'
					Write-Log -Message "Création des clefs SSH RSA FOTON" -Component $CurrentScript -LogFile $LogFile

					Send-MailMessage -SmtpServer smtpint.univ-rennes1.fr -From "$CurrentUser@univ-rennes.fr" -To FOTON.ADMIN.EMAIL@univ-rennes.fr -Subject "$Hostname $CurrentUser - Nouvelle clef Duplicati" -Attachments D:\Home\$CurrentUser\Duplicati\.ssh\duplicati_id_ed25519.pub
				}
				$fichier = $fichier -replace "TARGETURLUR", "ssh://bkpdop.univ-rennes1.fr//mnt//datastore_backuppc//duplicati//$CurrentUser.$NOMMACHINE//?auth-username=$CurrentUser&ssh-fingerprint=ssh-rsa 2048 02:b9:38:a6:17:66:ba:90:e0:be:bb:7e:fb:a7:e6:14&ssh-keyfile=D:\\Home\\$CurrentUser\\Duplicati\\.ssh\\id_rsa_duplicati"

			}
		}

		$fichier = $fichier -replace "SESAME",$CurrentUser

		$Fichier | set-content "D:\Home\$CurrentUser\Duplicati\sauvegarde.duplicati.config.json"
		Write-Log -Message "Creation du fichier de configuration pour l'entitée $entite , Utilisateur : $CurrentUser" -Component $CurrentScript -LogFile $LogFile
		Write-Log -Message " " -Component $CurrentScript -LogFile $LogFile


		Invoke-LaunchProcess -Path "$ProgFiles\Duplicati 2\Duplicati.GUI.TrayIcon.exe" -Argumentlist "--webservice-interface=loopback" -nowait -NoNewWindow -LogFile $LogFile | Out-Null



		# Création de la clé de registre indiquant la présence de l'application ("Version" à utiliser en méthode de détection avec SCCM)
		#
		Set-RegistryKey -Key "HKEY_LOCAL_MACHINE\SOFTWARE\UR1_Software\$AppName" -Name "Version" -Type String -Value $AppVersion -LogFile $LogFile
		Set-RegistryKey -Key "HKEY_LOCAL_MACHINE\SOFTWARE\UR1_Software\$AppName" -Name "Date" -Type String -Value $(Get-Date -UFormat '%Y%m%d') -LogFile $LogFile

		#
		#	Fin des commandes de PostInstallation
		#	-------------------------------------
		#
	}

}

# ------------------------------------------------------------------------------------------------------------------------------
#  SCRIPT EN ERREUR
# ------------------------------------------------------------------------------------------------------------------------------
Catch {

	Write-Log -Message $(' -- Erreur : ' + $_ + ' --')	-Severity '2' -Component $CurrentScript -LogFile $LogFile
	Write-Log -Message " " -Component $CurrentScript -LogFile $LogFile
	#
	If (!($RollBack)) {
		If ($Step -ne 'Désinstallation') {
			Write-Log -Message 'RollBack lancé' -Severity '2' -Component $CurrentScript -LogFile $LogFile
			Invoke-AppRollback -FileName $CurrentScript
			Write-Log -Message 'RollBack terminé' -Severity '2' -Component $CurrentScript -LogFile $LogFile
		}
		Else {
			Write-Log -Message 'RollBack non lancé, erreur dans la partie Désinstallation' -Severity '3' -Component $CurrentScript -LogFile $LogFile
		}
	}
	Else {
		Write-Log -Message 'Erreur dans la partie Désinstallation du script de RollBack' -Severity '3' -Component $CurrentScript -LogFile $LogFile
	}

	Write-Log -Message " " -LogFile $LogFile
	Write-Log -Message "****************************************************************************************************"	-Component $CurrentScript -LogFile $LogFile
	Write-Log -Message "$Step EN ERREUR pour '$AppName - $AppVersion'"															-Component $CurrentScript -LogFile $LogFile
	Write-Log -Message "A la ligne : $($_.InvocationInfo.ScriptLineNumber)"														-Component $CurrentScript -LogFile $LogFile
	Write-Log -Message "****************************************************************************************************"	-Component $CurrentScript -LogFile $LogFile
	Throw $_.Exception.ErrorRecord

}

# ------------------------------------------------------------------------------------------------------------------------------
#  FIN
# ------------------------------------------------------------------------------------------------------------------------------
Finally {

	$ScriptTime.Stop()
	$ScriptDuration = $([String]::Format("{0:d2}:{1:d2}:{2:d2}", $ScriptTime.Elapsed.Hours, $ScriptTime.Elapsed.Minutes, $ScriptTime.Elapsed.Seconds))
	Write-Log -Message " " -LogFile $LogFile
	Write-Log -Message '****************************************************************************************************'	-Component $CurrentScript -LogFile $LogFile
	Write-Log -Message "Fin d'exécution de '$AppName - $AppVersion'"															-Component $CurrentScript -LogFile $LogFile
	Write-Log -Message "Script            : $CurrentScript"																		-Component $CurrentScript -LogFile $LogFile
	Write-Log -Message "Paramètres        : $ScriptParameters"																	-Component $CurrentScript -LogFile $LogFile
	Write-Log -Message "Durée d'exécution : $ScriptDuration"																	-Component $CurrentScript -LogFile $LogFile
	Write-Log -Message '****************************************************************************************************'	-Component $CurrentScript -LogFile $LogFile
	#
	If ($ExitUR1) {
		Exit $ExitUR1
	}

}