// Copyright Epic Games, Inc. All Rights Reserved.

#pragma once

#include "zen.h"

#include <filesystem>
#include <string>

namespace zen {

class TraceAnalyzeSubCmd : public ZenSubCmdBase
{
public:
	TraceAnalyzeSubCmd();
	void Run(const ZenCliOptions& GlobalOptions) override;

private:
	std::filesystem::path m_TraceFilePath;
	int					  m_LiveAllocs = 0;
	int					  m_Churn	   = 0;
	int					  m_ChurnMin   = 1000;
	std::string			  m_Symbols;
	std::string			  m_CallstackSkip;
	bool				  m_NoCache				 = false;
	bool				  m_NoCallstackHeuristic = false;
	std::filesystem::path m_HtmlReportPath;
};

class TraceInspectSubCmd : public ZenSubCmdBase
{
public:
	TraceInspectSubCmd();
	void Run(const ZenCliOptions& GlobalOptions) override;

private:
	std::filesystem::path m_TraceFilePath;
};

class TraceServeSubCmd : public ZenSubCmdBase
{
public:
	TraceServeSubCmd();
	void Run(const ZenCliOptions& GlobalOptions) override;

private:
	std::filesystem::path m_TraceFilePath;
	std::string			  m_Symbols;
	int					  m_Port	  = 0;
	std::string			  m_Bind	  = "127.0.0.1";
	bool				  m_NoBrowser = false;
};

class TraceTrimSubCmd : public ZenSubCmdBase
{
public:
	TraceTrimSubCmd();
	void Run(const ZenCliOptions& GlobalOptions) override;

private:
	std::filesystem::path m_TraceFilePath;
	std::filesystem::path m_OutputPath;
	double				  m_StartSec = 0.0;
	double				  m_EndSec	 = 0.0;
};

class TraceStartSubCmd : public ZenSubCmdBase
{
public:
	TraceStartSubCmd();
	void Run(const ZenCliOptions& GlobalOptions) override;

private:
	std::string m_HostName;
	std::string m_TraceHost;
	std::string m_TraceFile;
};

class TraceStopSubCmd : public ZenSubCmdBase
{
public:
	TraceStopSubCmd();
	void Run(const ZenCliOptions& GlobalOptions) override;

private:
	std::string m_HostName;
};

class TraceStatusSubCmd : public ZenSubCmdBase
{
public:
	TraceStatusSubCmd();
	void Run(const ZenCliOptions& GlobalOptions) override;

private:
	std::string m_HostName;
};

class TraceCommand : public ZenCmdWithSubCommands
{
public:
	static constexpr char Name[]		= "trace";
	static constexpr char Description[] = "Control zen realtime tracing and work with .utrace files";

	TraceCommand();
	~TraceCommand();

	cxxopts::Options& Options() override { return m_Options; }

private:
	cxxopts::Options m_Options{Name, Description};
	std::string		 m_SubCommand;

	TraceAnalyzeSubCmd m_AnalyzeSubCmd;
	TraceInspectSubCmd m_InspectSubCmd;
	TraceServeSubCmd   m_ServeSubCmd;
	TraceTrimSubCmd	   m_TrimSubCmd;
	TraceStartSubCmd   m_StartSubCmd;
	TraceStopSubCmd	   m_StopSubCmd;
	TraceStatusSubCmd  m_StatusSubCmd;
};

}  // namespace zen