<%
  const type = locals.type;
  const layoutProperties = locals.layoutProperties;
  const paintProperties = locals.paintProperties;
  const enumProperties = locals.enumProperties;
-%>
// This file is generated.
// Edit platform/darwin/scripts/generate-style-code.js, then run `make darwin-style-code`.

#import "MGLSource.h"
#import "NSPredicate+MGLPrivateAdditions.h"
#import "NSDate+MGLAdditions.h"
#import "MGLStyleLayer_Private.h"
#import "MGLStyleValue_Private.h"
#import "MGL<%- camelize(type) %>StyleLayer.h"
#import "MGLLoggingConfiguration_Private.h"
#import "MGL<%- camelize(type) %>StyleLayer_Private.h"

#include <mbgl/style/layers/<%- type.replace('-', '_') %>_layer.hpp>
#include <mbgl/style/transition_options.hpp>

<% if (enumProperties) { -%>

namespace mbgl {

<% if (layoutProperties.length) { -%>
<% for (const property of layoutProperties) { -%>
<% if (property.type == "enum") { -%>
    MBGL_DEFINE_ENUM(MGL<%- camelize(property.name) %>, {
<% for (const value in property.values) { -%>
        { MGL<%- camelize(property.name) %><%- camelize(value) %>, "<%-value%>" },
<% } -%>
    });

<% } -%>
<% } -%>
<% } -%>
<% if (paintProperties.length) { -%>
<% for (const property of paintProperties) { -%>
<% if (property.type == "enum") { -%>
    MBGL_DEFINE_ENUM(MGL<%- camelize(property.name) %>, {
<% for (const value in property.values) { -%>
        { MGL<%- camelize(property.name) %><%- camelize(value) %>, "<%-value%>" },
<% } -%>
    });

<% } -%>
<% } -%>
<% } -%>
}
<% } -%>

@interface MGL<%- camelize(type) %>StyleLayer ()

@property (nonatomic, readonly) mbgl::style::<%- camelize(type) %>Layer *rawLayer;

@end

@implementation MGL<%- camelize(type) %>StyleLayer

<% if (type == 'background') { -%>
- (instancetype)initWithIdentifier:(NSString *)identifier
{
    MGLLogDebug(@"Initializing %@ with identifier: %@", NSStringFromClass([self class]), identifier);
    auto layer = std::make_unique<mbgl::style::<%- camelize(type) %>Layer>(identifier.UTF8String);
    return self = [super initWithPendingLayer:std::move(layer)];
}

<% } else { -%>
- (instancetype)initWithIdentifier:(NSString *)identifier source:(MGLSource *)source
{
    MGLLogDebug(@"Initializing %@ with identifier: %@ source: %@", NSStringFromClass([self class]), identifier, source);
    auto layer = std::make_unique<mbgl::style::<%- camelize(type) %>Layer>(identifier.UTF8String, source.identifier.UTF8String);
    return self = [super initWithPendingLayer:std::move(layer)];
}

<% } -%>
- (mbgl::style::<%- camelize(type) %>Layer *)rawLayer
{
    return (mbgl::style::<%- camelize(type) %>Layer *)super.rawLayer;
}

<% if (type !== 'background') { -%>
- (NSString *)sourceIdentifier
{
    MGLAssertStyleLayerIsValid();

    return @(self.rawLayer->getSourceID().c_str());
}

<% if (type !== 'raster' && type !== 'hillshade') { -%>
- (NSString *)sourceLayerIdentifier
{
    MGLAssertStyleLayerIsValid();

    auto layerID = self.rawLayer->getSourceLayer();
    return layerID.empty() ? nil : @(layerID.c_str());
}

- (void)setSourceLayerIdentifier:(NSString *)sourceLayerIdentifier
{
    MGLAssertStyleLayerIsValid();
    MGLLogDebug(@"Setting sourceLayerIdentifier: %@", sourceLayerIdentifier);

    self.rawLayer->setSourceLayer(sourceLayerIdentifier.UTF8String ?: "");
}

- (void)setPredicate:(NSPredicate *)predicate
{
    MGLAssertStyleLayerIsValid();
    MGLLogDebug(@"Setting predicate: %@", predicate);

    self.rawLayer->setFilter(predicate ? predicate.mgl_filter : mbgl::style::Filter());
}

- (NSPredicate *)predicate
{
    MGLAssertStyleLayerIsValid();

    return [NSPredicate mgl_predicateWithFilter:self.rawLayer->getFilter()];
}

<% }} -%>
<% if (layoutProperties.length) { -%>
#pragma mark - Accessing the Layout Attributes

<% for (const property of layoutProperties) { -%>
- (void)set<%- camelize(property.name) %>:(NSExpression *)<%- objCName(property) %> {
    MGLAssertStyleLayerIsValid();
    MGLLogDebug(@"Setting <%- objCName(property) %>: %@", <%- objCName(property) %>);

<% if (property.tokens) { -%>
    if (<%- objCName(property) %> && <%- objCName(property) %>.expressionType == NSConstantValueExpressionType) {
        std::string string = ((NSString *)<%- objCName(property) %>.constantValue).UTF8String;
        if (mbgl::style::conversion::hasTokens(string)) {
<% if (property.type === 'formatted') { -%>
            self.rawLayer->set<%- camelize(originalPropertyName(property)) %>(mbgl::style::PropertyValue<mbgl::style::expression::Formatted>(
                mbgl::style::conversion::convertTokenStringToFormatExpression(string)));
<% } else { -%>
            self.rawLayer->set<%- camelize(originalPropertyName(property)) %>(mbgl::style::PropertyValue<std::string>(
                mbgl::style::conversion::convertTokenStringToExpression(string)));
<% } -%>
            return;
        }
    }
<% } -%>
<% if (isDataDriven(property)) { -%>
    auto mbglValue = MGLStyleValueTransformer<<%- valueTransformerArguments(property).join(', ') %>>().toPropertyValue<mbgl::style::PropertyValue<<%- valueTransformerArguments(property)[0] %>>>(<%- objCName(property) %>, true);
<% } else { -%>
    auto mbglValue = MGLStyleValueTransformer<<%- valueTransformerArguments(property).join(', ') %>>().toPropertyValue<mbgl::style::PropertyValue<<%- valueTransformerArguments(property)[0] %>>>(<%- objCName(property) %>, false);
<% } -%>
    self.rawLayer->set<%- camelize(originalPropertyName(property)) %>(mbglValue);
}

- (NSExpression *)<%- objCGetter(property) %> {
    MGLAssertStyleLayerIsValid();

    auto propertyValue = self.rawLayer->get<%- camelize(originalPropertyName(property)) %>();
    if (propertyValue.isUndefined()) {
        propertyValue = self.rawLayer->getDefault<%- camelize(originalPropertyName(property)) %>();
    }
    return MGLStyleValueTransformer<<%- valueTransformerArguments(property).join(', ') %>>().toExpression(propertyValue);
}

<% if (property.original) { -%>
- (void)set<%- camelize(originalPropertyName(property)) %>:(NSExpression *)<%- camelizeWithLeadingLowercase(originalPropertyName(property)) %> {
}

- (NSExpression *)<%- camelizeWithLeadingLowercase(originalPropertyName(property)) %> {
    return self.<%- objCGetter(property) %>;
}

<% } -%>
<% } -%>
<% } -%>
<% if (paintProperties.length) { -%>
#pragma mark - Accessing the Paint Attributes
<% for (const property of paintProperties) { -%>

- (void)set<%- camelize(property.name) %>:(NSExpression *)<%- objCName(property) %> {
    MGLAssertStyleLayerIsValid();
    MGLLogDebug(@"Setting <%- objCName(property) %>: %@", <%- objCName(property) %>);

<% switch (property['property-type']) {
    case 'color-ramp': -%>
    auto mbglValue = MGLStyleValueTransformer<mbgl::Color, MGLColor *>().toPropertyValue<mbgl::style::ColorRampPropertyValue>(<%- objCName(property) %>);
<%     break
    case 'data-driven':
    case 'cross-faded-data-driven': -%>
    auto mbglValue = MGLStyleValueTransformer<<%- valueTransformerArguments(property).join(', ') %>>().toPropertyValue<mbgl::style::PropertyValue<<%- valueTransformerArguments(property)[0] %>>>(<%- objCName(property) %>, true);
<%     break
    default: -%>
    auto mbglValue = MGLStyleValueTransformer<<%- valueTransformerArguments(property).join(', ') %>>().toPropertyValue<mbgl::style::PropertyValue<<%- valueTransformerArguments(property)[0] %>>>(<%- objCName(property) %>, false);
<% } -%>
    self.rawLayer->set<%- camelize(originalPropertyName(property)) %>(mbglValue);
}

- (NSExpression *)<%- objCGetter(property) %> {
    MGLAssertStyleLayerIsValid();

    auto propertyValue = self.rawLayer->get<%- camelize(originalPropertyName(property)) %>();
    if (propertyValue.isUndefined()) {
        propertyValue = self.rawLayer->getDefault<%- camelize(originalPropertyName(property)) %>();
    }
    return MGLStyleValueTransformer<<%- valueTransformerArguments(property).join(', ') %>>().toExpression(propertyValue);
}
<% if (property["transition"]) { -%>

- (void)set<%- camelize(property.name) %>Transition:(MGLTransition )transition {
    MGLAssertStyleLayerIsValid();
    MGLLogDebug(@"Setting <%- objCName(property) %>Transition: %@", MGLStringFromMGLTransition(transition));

    self.rawLayer->set<%- camelize(originalPropertyName(property)) %>Transition(MGLOptionsFromTransition(transition));
}

- (MGLTransition)<%- objCGetter(property) %>Transition {
    MGLAssertStyleLayerIsValid();

    mbgl::style::TransitionOptions transitionOptions = self.rawLayer->get<%- camelize(originalPropertyName(property)) %>Transition();

    return MGLTransitionFromOptions(transitionOptions);
}
<% } -%>
<% if (property.original) { -%>

- (void)set<%- camelize(originalPropertyName(property)) %>:(NSExpression *)<%- camelizeWithLeadingLowercase(originalPropertyName(property)) %> {
}

- (NSExpression *)<%- camelizeWithLeadingLowercase(originalPropertyName(property)) %> {
    return self.<%- objCGetter(property) %>;
}
<% } -%>
<% } -%>
<% } -%>

@end
<% if (enumProperties) { -%>

@implementation NSValue (MGL<%- camelize(type) %>StyleLayerAdditions)

<% for (let property of enumProperties) { -%>
+ (NSValue *)valueWithMGL<%- camelize(property.name) %>:(MGL<%- camelize(property.name) %>)<%- objCName(property) %> {
    return [NSValue value:&<%- objCName(property) %> withObjCType:@encode(MGL<%- camelize(property.name) %>)];
}

- (MGL<%- camelize(property.name) %>)MGL<%- camelize(property.name) %>Value {
    MGL<%- camelize(property.name) %> <%- objCName(property) %>;
    [self getValue:&<%- objCName(property) %>];
    return <%- objCName(property) %>;
}

<% } -%>
@end
<% } -%>

namespace mbgl {

MGLStyleLayer* <%- camelize(type) %>StyleLayerPeerFactory::createPeer(style::Layer* rawLayer) {
    return [[MGL<%- camelize(type) %>StyleLayer alloc] initWithRawLayer:rawLayer];
}

}  // namespace mbgl