first try to read and parse SOAP wsdl in powershell

read_wsdl.ps1

$wsdlUrl = "https://soap.flexmail.eu/3.0.0/flexmail.wsdl"

$wsdlContent = Invoke-RestMethod -Method Get -Uri $wsdlUrl -Verbose

# metadata
$targetNamespace = $wsdlContent.definitions.targetNamespace
$bindingStyle = $wsdlContent.definitions.binding.binding.style

# operations (different ways)
$operations1 = $wsdlContent.definitions.binding.operation


# operations with input and output
$operations2 = $wsdlContent.definitions.portType.operation | select name, @{name="input";expression={ $_.input.message }}, @{name="output";expression={ $_.output.message }}

# TODO [ ] join $operations2 and $messages 

# messages with input/output and request/response
$messages = $wsdlContent.definitions.message | select name, @{name="partName";expression={ $_.part.name }}, @{name="partType";expression={ $_.part.type }}

# TODO [ ] join $messages and $complexTypes 

# simple types
$simpleTypes = $wsdlContent.definitions.types.schema.simpleType | select @{name="typename";expression={ $_.name }} -expand restriction | select typename -expand enumeration

# complex types with "all" subtag
$complexTypes = $wsdlContent.definitions.types.schema.complexType | where { $_.all } | select @{name="typename";expression={ $_.name }} -expand all | select typename -expand element

# complex types with "complexContent" and "restriction" subtag
#$wsdlContent.definitions.types.schema.complexType | where { $_.complexContent } | select @{name="typename";expression={ $_.name }} -expand complexContent | where { $_.restriction } | select typename -Expand restriction | select typename -expand attribute

# complex types with
# ... there are more differentiations...