// Copyright (c) 2022 NetEase, Inc. All rights reserved.
// Use of this source code is governed by a MIT license that can be
// found in the LICENSE file.

#ifndef NIMCORE_H
#define NIMCORE_H

#include <flutter/encodable_value.h>
#include <flutter/method_channel.h>
#include <flutter/plugin_registrar_windows.h>
#include <flutter/standard_method_codec.h>

class FLTService;

class FLTAuthService;

class FLTMessageService;

class NimCore {
public:
    using NimMethodChannel = flutter::MethodChannel<flutter::EncodableValue>;

public:
    SINGLETONG(NimCore)

private:
    NimCore();

    ~NimCore();

public:
    using InvokeMehtodCallback =
            std::function<void(const std::optional <flutter::EncodableValue> &)>;

    InvokeMehtodCallback invokeCallback;

    void regService();

    void cleanService();

    void addService(FLTService *service);

    //  FLTAuthService* getFLTAuthService() const;
    //  FLTMessageService* getFLTMessageService() const;
    FLTService *getService(const std::string &serviceName) const;

    void onMethodCall(
            const std::string &method, const flutter::EncodableMap *arguments,
            std::shared_ptr <flutter::MethodResult<flutter::EncodableValue>> result);

    void invokeMethod(const std::string &method,
                      const flutter::EncodableMap &arguments);

    void invokeMethod(const std::string &eventName,
                      const flutter::EncodableMap &arguments,
                      const InvokeMehtodCallback &callback);

    void setMethodChannel(NimMethodChannel *channel);

    NimMethodChannel *getMethodChannel();

public:
    void setAppkey(const std::string &appkey);

    std::string getAppkey() const;

    void setLogDir(const std::string &logDir);

    std::string getLogDir() const;

    std::string getAccountId() const;

private:
    std::unordered_map<std::string, FLTService *> m_services;
    NimMethodChannel *m_channel = nullptr;
    std::string m_appKey = "";
    std::string m_logDir;
};

/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
class MockMethodResult : public flutter::MethodResult<> {
public:
    MockMethodResult(
            const std::string serviceName, const std::string methodName,
            std::shared_ptr <flutter::MethodResult<flutter::EncodableValue>> result);

    virtual void ErrorInternal(const std::string &error_code,
                               const std::string &error_message,
                               const flutter::EncodableValue *details) override;

    virtual void NotImplementedInternal() override;

    virtual void SuccessInternal(const flutter::EncodableValue *result) override;

private:
    std::string getStringFormEncodableValue(
            const flutter::EncodableValue *value) const;

private:
    std::string m_serviceName;
    std::string m_methodName;
    std::shared_ptr <flutter::MethodResult<flutter::EncodableValue>> m_result;
};

#endif  // NIMCORE