/*
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/

#import "RCTCxxUtils.h"

#import <React/RCTFollyConvert.h>
#import <React/RCTModuleData.h>
#import <React/RCTUtils.h>
#import <cxxreact/CxxNativeModule.h>
#import <jsi/jsi.h>

#import "DispatchMessageQueueThread.h"
#import "RCTCxxModule.h"
#import "RCTNativeModule.h"

namespace facebook::react {

using facebook::jsi::JSError;

std::vector<std::unique_ptr<NativeModule>>
createNativeModules(NSArray<RCTModuleData *> *modules, RCTBridge *bridge, const std::shared_ptr<Instance> &instance)
{
std::vector<std::unique_ptr<NativeModule>> nativeModules;
for (RCTModuleData *moduleData in modules) {
if ([moduleData.moduleClass isSubclassOfClass:[RCTCxxModule class]]) {
nativeModules.emplace_back(std::make_unique<CxxNativeModule>(
instance,
[moduleData.name UTF8String],
[moduleData] { return [(RCTCxxModule *)(moduleData.instance) createModule]; },
std::make_shared<DispatchMessageQueueThread>(moduleData)));
} else {
nativeModules.emplace_back(std::make_unique<RCTNativeModule>(bridge, moduleData));
}
}
return nativeModules;
}

static NSError *errorWithException(const std::exception &e)
{
NSString *msg = @(e.what());
NSMutableDictionary *errorInfo = [NSMutableDictionary dictionary];

const auto *jsError = dynamic_cast<const JSError *>(&e);
if (jsError) {
errorInfo[RCTJSRawStackTraceKey] = @(jsError->getStack().c_str());
msg = [@"Unhandled JS Exception: " stringByAppendingString:msg];
}

NSError *nestedError;
try {
std::rethrow_if_nested(e);
} catch (const std::exception &e) {
nestedError = errorWithException(e);
} catch (...) {
}

if (nestedError) {
msg = [NSString stringWithFormat:@"%@\n\n%@", msg, [nestedError localizedDescription]];
}

errorInfo[NSLocalizedDescriptionKey] = msg;
return [NSError errorWithDomain:RCTErrorDomain code:1 userInfo:errorInfo];
}

NSError *tryAndReturnError(const std::function<void()> &func)
{
try {
@try {
func();
return nil;
} @catch (NSException *exception) {
return RCTErrorWithNSException(exception);
} @catch (id exception) {
// This will catch any other ObjC exception, but no C++ exceptions
return RCTErrorWithMessage(@"non-std ObjC Exception");
}
} catch (const std::exception &ex) {
return errorWithException(ex);
} catch (...) {
// On a 64-bit platform, this would catch ObjC exceptions, too, but not on
// 32-bit platforms, so we catch those with id exceptions above.
return RCTErrorWithMessage(@"non-std C++ exception");
}
}

NSString *deriveSourceURL(NSURL *url)
{
NSString *sourceUrl;
if (url.isFileURL) {
// Url will contain only path to resource (i.g. file:// will be removed)
sourceUrl = url.path;
} else {
// Url will include protocol (e.g. http://)
sourceUrl = url.absoluteString;
}
return sourceUrl ?: @"";
}

} // namespace facebook::react