// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "test_plugin.h"

// This must be included before many other Windows headers.
#include <flutter/plugin_registrar_windows.h>
#include <windows.h>

#include <memory>
#include <optional>
#include <string>

#include "pigeon/core_tests.gen.h"

namespace test_plugin {

using core_tests_pigeontest::AllTypes;
using core_tests_pigeontest::AllTypesWrapper;
using core_tests_pigeontest::ErrorOr;
using core_tests_pigeontest::FlutterError;
using core_tests_pigeontest::FlutterIntegrationCoreApi;
using core_tests_pigeontest::HostIntegrationCoreApi;

// static
void TestPlugin::RegisterWithRegistrar(
    flutter::PluginRegistrarWindows* registrar) {
  auto plugin = std::make_unique<TestPlugin>(registrar->messenger());

  HostIntegrationCoreApi::SetUp(registrar->messenger(), plugin.get());

  registrar->AddPlugin(std::move(plugin));
}

TestPlugin::TestPlugin(flutter::BinaryMessenger* binary_messenger)
    : flutter_api_(
          std::make_unique<FlutterIntegrationCoreApi>(binary_messenger)) {}

TestPlugin::~TestPlugin() {}

std::optional<FlutterError> TestPlugin::Noop() { return std::nullopt; }

ErrorOr<AllTypes> TestPlugin::EchoAllTypes(const AllTypes& everything) {
  return everything;
}

std::optional<FlutterError> TestPlugin::ThrowError() {
  return FlutterError("An error");
}

ErrorOr<std::optional<std::string>> TestPlugin::ExtractNestedString(
    const AllTypesWrapper& wrapper) {
  const std::string* inner_string = wrapper.values().a_string();
  return inner_string ? std::optional<std::string>(*inner_string)
                      : std::nullopt;
}

ErrorOr<AllTypesWrapper> TestPlugin::CreateNestedString(
    const std::string& string) {
  AllTypes inner_object;
  inner_object.set_a_string(string);
  AllTypesWrapper wrapper;
  wrapper.set_values(inner_object);
  return wrapper;
}

ErrorOr<AllTypes> TestPlugin::SendMultipleTypes(bool a_bool, int64_t an_int,
                                                const std::string& a_string) {
  AllTypes someTypes;
  someTypes.set_a_bool(a_bool);
  someTypes.set_an_int(an_int);
  someTypes.set_a_string(a_string);
  return someTypes;
};

ErrorOr<int64_t> TestPlugin::EchoInt(int64_t an_int) { return an_int; }

ErrorOr<bool> TestPlugin::EchoBool(bool a_bool) { return a_bool; }

void TestPlugin::NoopAsync(
    std::function<void(std::optional<FlutterError> reply)> result) {
  result(std::nullopt);
}

void TestPlugin::EchoAsyncString(
    const std::string& a_string,
    std::function<void(ErrorOr<std::string> reply)> result) {
  result(a_string);
}

void TestPlugin::CallFlutterNoop(
    std::function<void(std::optional<FlutterError> reply)> result) {
  flutter_api_->noop([result]() { result(std::nullopt); });
}

void TestPlugin::CallFlutterEchoString(
    const std::string& a_string,
    std::function<void(ErrorOr<std::string> reply)> result) {
  flutter_api_->echoString(
      a_string,
      [result](const std::string& flutter_string) { result(flutter_string); });
}

}  // namespace test_plugin