<# LOAD FUNCTIONS #>

#Get Working Dir
$Script:WorkingDir = $PSScriptRoot
#Get Functions
Get-ChildItem "$WorkingDir\functions" | ForEach-Object {. $_.FullName}


<# MAIN #>

#Run log initialisation function
Start-Init

#Get Notif Locale function
Get-NotifLocale

#Check network connectivity
if (Test-Network){
    #Get Current Version
    Get-WAUCurrentVersion
    #Check if WAU update feature is enabled
    Get-WAUUpdateStatus
    #If yes then check WAU update
    if ($true -eq $WAUautoupdate){
        #Get Available Version
        Get-WAUAvailableVersion
        #Compare
        if ([version]$WAUAvailableVersion -gt [version]$WAUCurrentVersion){
            #If new version is available, update it
            Write-Log "WAU Available version: $WAUAvailableVersion" "Yellow"
            Update-WAU
        }
        else{
            Write-Log "WAU is up to date." "Green"
        }
    }

    #Get White or Black list
    Get-WAUConfig
    if ($UseWhiteList){
        $toUpdate = Get-IncludedApps
    }
    else{
        $toSkip = Get-ExcludedApps
    }

    #Get outdated Winget packages
    $outdated = Get-WingetOutdatedApps

    #Log list of app to update
    foreach ($app in $outdated){
        #List available updates
        $Log = "Available update : $($app.Name). Current version : $($app.Version). Available version : $($app.AvailableVersion)."
        $Log | Write-host
        $Log | out-file -filepath $LogFile -Append
    }
    
    #Count good update installations
    $Script:InstallOK = 0

    #If White List
    if ($UseWhiteList){
        #For each app, notify and update
        foreach ($app in $outdated){
            if (($toUpdate -contains $app.Id) -and $($app.Version) -ne "Unknown"){
                Update-App $app
            }
            #if current app version is unknown
            elseif($($app.Version) -eq "Unknown"){
                Write-Log "$($app.Name) : Skipped upgrade because current version is 'Unknown'" "Gray"
            }
            #if app is in "excluded list"
            else{
                Write-Log "$($app.Name) : Skipped upgrade because it is not in the included app list" "Gray"
            }
        }
    }
    #If Black List
    else{
        #For each app, notify and update
        foreach ($app in $outdated){
            if (-not ($toSkip -contains $app.Id) -and $($app.Version) -ne "Unknown"){
                Update-App $app
            }
            #if current app version is unknown
            elseif($($app.Version) -eq "Unknown"){
                Write-Log "$($app.Name) : Skipped upgrade because current version is 'Unknown'" "Gray"
            }
            #if app is in "excluded list"
            else{
                Write-Log "$($app.Name) : Skipped upgrade because it is in the excluded app list" "Gray"
            }
        }
    }
    
    if ($InstallOK -gt 0){
        Write-Log "$InstallOK apps updated ! No more update." "Green"
    }
    if ($InstallOK -eq 0){
        Write-Log "No new update." "Green"
    }
}

#End
Write-Log "End of process!" "Cyan"
Start-Sleep 3