############### CONST ##############
$destDockerDir="/mnt/SSD1/docker/"
$stacksfolder="stacks/"
$datafolder="data/"
$destStacks=$destDockerDir+$stacksfolder
$destData=$destDockerDir+$datafolder
$destTraefikRulesDir=$destStacks+"traefik/rules/"
$destTraefikUsersDir=$destStacks+"traefik/users/"
$destDataDir=$destData
############### MAIN ###############
# main function
#
$Main =
{
    [CmdletBinding()]
    Param(
        [Parameter(Mandatory=$true)]
        [ValidateNotNullOrEmpty()]
        [string] $destHost,
        [Parameter(Mandatory=$false)]
        [string[]] $apps
    )
    $applist=[System.Collections.Generic.List[object]]::new()
    If($PSBoundParameters.ContainsKey("apps")) {
        foreach ($appname in $apps)
        {
            if ($appname.Contains('*')) {
                $wclist=Get-ChildItem $appname -Directory |  ForEach-Object { $_.Name }
                # if wildcard is specified, we only add folders with a 'stacks' subfolder
                foreach ($wcname in $wclist) {
                    if ((Test-Path -Path "$wcname\stacks")) {
                        $applist.Add($wcname)
                     }
                }
            }
            else {
                # here we don't have to check for a 'stacks' subfolder as the user specified appname explicitly
                $applist.Add($appname)
            }
        }
        # remove duplicates
        $uniqlist=$applist | Sort-Object -Unique
        foreach ($appname in $uniqlist)
        {
            copyfolder $destHost $appname "$appname\"
        }
    }
    else {
        # we're in the app subfolder, so only one stacks folder to copy
        $appname="$pwd".Split("\\")[-1]
        copyfolder $destHost  $appname ".\"
    }
}
#######################################################################
# copies specified folder to data folder on truenas
# 
Function copytosubfolder
{
    [CmdletBinding()]
    Param(
        [Parameter(Mandatory=$true)]
        [ValidateNotNullOrEmpty()]
        [string] $destHost,

        [Parameter(Mandatory=$true)]
        [ValidateNotNullOrEmpty()]
        [string] $folder,

        [Parameter(Mandatory=$true)]
        [ValidateNotNullOrEmpty()]
        [string] $subfolder,

        [Parameter(Mandatory=$true)]
        [ValidateNotNullOrEmpty()]
        [string] $srcdir,

        [Parameter(Mandatory=$true)]
        [ValidateNotNullOrEmpty()]
        [string] $destdir
    )
    $date=Get-Date -format "yyyy-MM-ddTHH:mm:ss"
    if ((Test-Path -Path "$srcdir")) {
        Write-Host "$date# pscp -P 22 -r ""$srcdir\*.*"" root@${destHost}:""${destdir}""" -ForegroundColor Green
        Write-Host "Copying to ${destHost}:""${destDockerDir}" -NoNewline 
        Write-Host "${folder}" -ForegroundColor Cyan  -NoNewline 
        Write-Host "${subfolder}" -ForegroundColor DarkYellow  -NoNewline 
        Write-Host """:"
        pscp -P 22 -r "$srcdir\*.*" root@${destHost}:""${destdir}""
    }
}
#######################################################################
# copies folder(s) to truenas
# 
Function copyfolder
{
    [CmdletBinding()]
    Param(
        [Parameter(Mandatory=$true)]
        [ValidateNotNullOrEmpty()]
        [string] $destHost,

        [Parameter(Mandatory=$true)]
        [ValidateNotNullOrEmpty()]
        [string] $subfolder,

        [Parameter(Mandatory=$true)]
        [ValidateNotNullOrEmpty()]
        [string] $srcdir
    )
    $srcStacksDir=$srcdir+"stacks"
    $srcTraefikRulesDir=$srcdir+"traefik-rules"
    $srcTraefikUsersDir=$srcdir+"traefik-users"
    $srcDataDir=$srcdir+"data"
    if (-Not(Test-Path -Path $srcStacksDir)) {
        Write-Host "Source path doesn't exist: ""$PSScriptRoot\$srcStacksDir\*.*"". No files copied!"  -ForegroundColor Red
        Write-Host "Usage: in app folder       : ./cp2nas DEST|IP"
        Write-Host "       in app parent folder: ./cp2nas DEST|IP app1, app2, app3, ..."
        Write-Host "       in app parent folder: ./cp2nas DEST|IP *"
        Write-Host "       in app parent folder: ./cp2nas DEST|IP wcstring1, wcstring2, ..."
        return
    }
    $destAppStacksDir=$destStacks+$subfolder+"/"
    # copy app folder destinations
    copytosubfolder $destHost "${stacksfolder}" "${subfolder}" "${srcStacksDir}"  "${destAppStacksDir}"
    # copy traefik folder destinations
    copytosubfolder $destHost "${stacksfolder}" "traefik/rules/" "${srcTraefikRulesDir}"  "${destTraefikRulesDir}"
    copytosubfolder $destHost "${stacksfolder}" "traefik/users/" "${srcTraefikUsersDir}"  "${destTraefikUsersDir}"
    # copy data folder destinations
    copytosubfolder $destHost "${datafolder}" "${subfolder}/" "${srcDataDir}"  "${destDataDir}${subfolder}"

}

###################################
# we call main proc from here
& $Main @Args