$APIToken = 'iXZU8DNKth2qWaDjDck9'
$APIUrl = 'https://app3.archisnapper.com/api/public/v1/'

$url_APIToken = '?auth_token=' + $APIToken

$header = @{
    auth_token = $APIToken
} | ConvertTo-Json

$OutputPathBase = "C:\Users\eeckert\Downloads\ArchiSnapper"

# get list of projects 
# https://docs.archisnapper.com/reference/retrieving-your-projects
$page = 1 # init counter

do {
    $URI = $APIUrl + 'sites.json' + $url_APIToken + '&page=' + $page
    $response = Invoke-WebRequest -Uri $URI -Method Get 
    $ProjectList = $response.Content | convertfrom-json

    foreach ($project in $ProjectList) {

        $project_Name = $Project.name
        $project_number = $project.unique_id
        $OutputPathBase_Project = $OutputPathBase + '\' + $project_number + '-' + $project_Name
        Write-Debug -Message ("Processing: $project_Name") -Debug

    
        $project.visits | foreach -Parallel {
            $pathExist = Test-Path $USING:OutputPathBase_Project -ErrorAction SilentlyContinue
            if (!($pathExist)) {
                New-Item -Path $USING:OutputPathBase_Project -ItemType Directory
            }
            if ($_) {
                Write-Debug -Message ("Checking " + $_.unique_id) -Debug
                $testURI = $_.pdf_link + '&auth_token=' + $USING:APIToken 
                $Outfile = $USING:OutputPathBase_Project + '\' + $_.Date.ToString().Substring(0,10) + '_' + $_.unique_id + ".pdf"
                if (!(Test-Path $Outfile)) {
                    Write-Debug ("Saving file: " + $Outfile) -Debug
                    Invoke-WebRequest -Uri $testURI -OutFile $Outfile

                }
            }
        } -ThrottleLimit 5
    }
    $page++
}

until (
    $null -eq $response.Content
)