//=============================================================================//
//
// Purpose: Windows terminal utilities
//
//=============================================================================//

#include "core/stdafx.h"
#include "core/init.h"
#include "core/logdef.h"
#include "tier1/cmd.h"
#ifndef DEDICATED
#include "windows/id3dx.h"
#endif // !DEDICATED
#include "windows/console.h"
#include "common/opcodes.h"

//-----------------------------------------------------------------------------
// Purpose: sets the windows terminal background color
// Input  : color - 
//-----------------------------------------------------------------------------
void SetConsoleBackgroundColor(COLORREF color)
{
	CONSOLE_SCREEN_BUFFER_INFOEX sbInfoEx{};
	sbInfoEx.cbSize = sizeof(CONSOLE_SCREEN_BUFFER_INFOEX);

	HANDLE consoleOut = GetStdHandle(STD_OUTPUT_HANDLE);
	GetConsoleScreenBufferInfoEx(consoleOut, &sbInfoEx);

	COLORREF storedBG = sbInfoEx.ColorTable[0];

	sbInfoEx.ColorTable[0] = color;
	SetConsoleScreenBufferInfoEx(consoleOut, &sbInfoEx);
}

//-----------------------------------------------------------------------------
// Purpose: flashes the windows terminal background color
// Input  : nFlashCount - 
//			nFlashInterval - color -
//-----------------------------------------------------------------------------
void FlashConsoleBackground(int nFlashCount, int nFlashInterval, COLORREF color)
{
	CONSOLE_SCREEN_BUFFER_INFOEX sbInfoEx{};
	sbInfoEx.cbSize = sizeof(CONSOLE_SCREEN_BUFFER_INFOEX);

	HANDLE consoleOut = GetStdHandle(STD_OUTPUT_HANDLE);
	GetConsoleScreenBufferInfoEx(consoleOut, &sbInfoEx);

	COLORREF storedBG = sbInfoEx.ColorTable[0];

	for (int i = 0; i < nFlashCount; ++i)
	{
		//-- set BG color
		Sleep(nFlashInterval);
		sbInfoEx.ColorTable[0] = color;
		SetConsoleScreenBufferInfoEx(consoleOut, &sbInfoEx);

		//-- restore previous color
		Sleep(nFlashInterval);
		sbInfoEx.ColorTable[0] = storedBG;
		SetConsoleScreenBufferInfoEx(consoleOut, &sbInfoEx);
	}
}

//-----------------------------------------------------------------------------
// Purpose: terminal window setup
//-----------------------------------------------------------------------------
void Console_Init()
{
	///////////////////////////////////////////////////////////////////////////
	// Create the console window
	if (AllocConsole() == FALSE)
	{
		OutputDebugStringA("Failed to create console window!\n");
		return;
	}

	//-- Set the window title
	SetConsoleTitleA("R5");

	//-- Open input/output streams
	FILE* fDummy;
	freopen_s(&fDummy, "CONIN$", "r", stdin);
	freopen_s(&fDummy, "CONOUT$", "w", stdout);
	freopen_s(&fDummy, "CONOUT$", "w", stderr);

	//-- Create a worker thread to process console commands
	DWORD dwMode = NULL;
	DWORD dwThreadId = NULL;
	DWORD __stdcall ProcessConsoleWorker(LPVOID);
	HANDLE hThread = CreateThread(NULL, 0, ProcessConsoleWorker, NULL, 0, &dwThreadId);

	HANDLE hInput = GetStdHandle(STD_INPUT_HANDLE);
	HANDLE hOutput = GetStdHandle(STD_OUTPUT_HANDLE);
	
	if (hThread)
	{
		CloseHandle(hThread);
	}

	if (strstr(g_svCmdLine.c_str(), "-ansiclr"))
	{
		GetConsoleMode(hOutput, &dwMode);
		dwMode |= ENABLE_PROCESSED_OUTPUT | ENABLE_VIRTUAL_TERMINAL_PROCESSING;

		if (!SetConsoleMode(hOutput, dwMode)) // Some editions of Windows have 'VirtualTerminalLevel' disabled by default.
		{
			// Warn the user if 'VirtualTerminalLevel' could not be set on users environment.
			MessageBoxA(NULL, "Failed to set console mode 'VirtualTerminalLevel'.\n"
				"Please omit the '-ansiclr' parameter and restart \nthe game if output logging appears distorted.", "SDK Warning", MB_ICONEXCLAMATION | MB_OK);
		}
		SetConsoleBackgroundColor(0x0000);
		AnsiColors_Init();
	}
}

//#############################################################################
// WORKER THREAD
//#############################################################################

DWORD __stdcall ProcessConsoleWorker(LPVOID)
{
	// Loop forever
	while (true)
	{
		static std::string sCommand = "";

		//printf("] ");
		//-- Get the user input on the debug console
		std::getline(std::cin, sCommand);

		//-- Debug toggles
		if (sCommand == "pattern test") { PrintHAddress(); continue; }
		if (sCommand == "opcodes test") { RuntimePtc_Toggle(); continue; }

		// Execute the command in the r5 SQVM
		Cbuf_AddText(Cbuf_GetCurrentPlayer(), sCommand.c_str(), cmd_source_t::kCommandSrcCode);
		Cbuf_Execute();

		sCommand.clear();

		///////////////////////////////////////////////////////////////////////
		// Sleep and loop
		Sleep(50);
	}
	return NULL;
}
