<#@ template cleanws="true" #>
/// A `PropertyId` identifies a single attribute in the data structure of a
/// connection.
#[derive(Clone, Debug, Deserialize, Eq, Hash, PartialEq, Serialize)]
#[non_exhaustive]
pub enum PropertyId {
<# for struc in &self.structs { #>
	<#= struc.name #><#= struc.get_ids(&self.structs) #>,
<# } #>

<# for struc in self.structs.iter().filter(|s| !s.opt) {
	for p in struc.get_properties(&self.structs) { #>
	<#= struc.name #><#= p.get_name() #><#= p.get_ids(&self.structs, struc) #>,
<# }
} #>
}

/// A `PropertyValue` contains the value of an attribute in the data structures.
#[derive(Clone, Debug, Deserialize, PartialEq, Serialize)]
#[non_exhaustive]
pub enum PropertyValue {
<# for struc in &self.structs { #>
	<#= struc.name #>(<#= struc.get_type()? #>),
<# } #>

<#
let mut done = HashSet::new();
for struc in self.structs.iter().filter(|s| !s.opt) {
	for p in struc.get_properties(&self.structs) {
		let type_s = p.get_inner_type()?;
		if !done.insert(type_s.to_string()) {
			continue;
		}
		#>
	<#= p.get_inner_type_as_name()? #>(<#= type_s #>),
<# }
} #>
}

/// A `PropertyValueRef` contains a reference to the value of an attribute in
/// the data structures.
///
/// See [`PropertyValue`] for the owned variant.
#[derive(Clone, Debug, PartialEq)]
#[non_exhaustive]
pub enum PropertyValueRef<'a> {
<# for struc in &self.structs { #>
	<#= struc.name #>(<#= struc.get_type()?.lifetime(true).to_ref(true) #>),
<# } #>

<#
let mut done = HashSet::new();
for struc in self.structs.iter().filter(|s| !s.opt) {
	for p in struc.get_properties(&self.structs) {
		let type_s = p.get_inner_type()?;
		if !done.insert(type_s.to_string()) {
			continue;
		}
		#>
	<#= p.get_inner_type_as_name()? #>(<#= p.get_inner_type()?.lifetime(true).to_ref(true) #>),
<# }
} #>
}

impl PropertyValue {
	pub fn as_ref(&self) -> PropertyValueRef {
		match self {
<# for struc in &self.structs { #>
			PropertyValue::<#= struc.name #>(s) => PropertyValueRef::<#= struc.name #>(<#= struc.get_type()?.code_as_ref("s") #>),
<# } #>

<#
let mut done = HashSet::new();
for struc in self.structs.iter().filter(|s| !s.opt) {
	for p in struc.get_properties(&self.structs) {
		let inner_type = p.get_inner_type()?;
		if !done.insert(inner_type.to_string()) {
			continue;
		}
		let name = inner_type.to_name();
		let has_ref = inner_type.lifetime(true).to_ref(true).uses_lifetime();
		#>
			PropertyValue::<#= name #>(s) => PropertyValueRef::<#= name #>(<#= inner_type.wrap_ref().code_as_ref("s") #>),
<# }
} #>
		}
	}
}