#include "IDECommunicationController.h"

#include "FileSystem.h"
#include "logging.h"
#include "MessageActivateWindow.h"
#include "MessagePingReceived.h"
#include "MessageProjectNew.h"
#include "MessageStatus.h"
#include "MessageTabOpenWith.h"

#include "StorageAccess.h"
#include "SourceLocationFile.h"

IDECommunicationController::IDECommunicationController(StorageAccess* storageAccess)
	: m_storageAccess(storageAccess)
	, m_enabled(true)
{
}

IDECommunicationController::~IDECommunicationController()
{
}

void IDECommunicationController::clear()
{
}

void IDECommunicationController::handleIncomingMessage(const std::wstring& message)
{
	if (m_enabled == false)
	{
		return;
	}

	NetworkProtocolHelper::MESSAGE_TYPE type = NetworkProtocolHelper::getMessageType(message);

	if (type == NetworkProtocolHelper::MESSAGE_TYPE::UNKNOWN)
	{
		LOG_ERROR_STREAM(<< "Invalid message type");
	}
	else if (type == NetworkProtocolHelper::MESSAGE_TYPE::SET_ACTIVE_TOKEN)
	{
		handleSetActiveTokenMessage(NetworkProtocolHelper::parseSetActiveTokenMessage(message));
	}
	else if (type == NetworkProtocolHelper::MESSAGE_TYPE::CREATE_CDB_MESSAGE)
	{
		handleCreateCDBProjectMessage(NetworkProtocolHelper::parseCreateCDBProjectMessage(message));
	}
	else if (type == NetworkProtocolHelper::MESSAGE_TYPE::PING)
	{
		handlePing(NetworkProtocolHelper::parsePingMessage(message));
	}
	else
	{
		handleCreateProjectMessage(NetworkProtocolHelper::parseCreateProjectMessage(message));
	}
}

bool IDECommunicationController::getEnabled() const
{
	return m_enabled;
}

void IDECommunicationController::setEnabled(const bool enabled)
{
	m_enabled = enabled;
}

void IDECommunicationController::sendUpdatePing()
{
	// first reset connection status
	MessagePingReceived().dispatch();

	// send ping to update connection status
	sendMessage(NetworkProtocolHelper::buildPingMessage());
}

void IDECommunicationController::handleSetActiveTokenMessage(
	const NetworkProtocolHelper::SetActiveTokenMessage& message
)
{
	if (message.valid)
	{
		const unsigned int cursorColumn = message.column;

		const Id fileId = m_storageAccess->getNodeIdForFileNode(message.filePath.getCanonical());
		const FileInfo fileInfo = m_storageAccess->getFileInfoForFileId(fileId);
		const FilePath filePath = fileInfo.path;

		if (FileSystem::getFileInfoForPath(filePath).lastWriteTime == fileInfo.lastWriteTime)
		{
			// file was not modified
			std::shared_ptr<SourceLocationFile> sourceLocationFile = m_storageAccess->getSourceLocationsForLinesInFile(
				filePath, message.row, message.row
			);

			std::vector<Id> selectedLocationIds;
			sourceLocationFile->forEachStartSourceLocation(
				[&selectedLocationIds, &cursorColumn](SourceLocation* startLocation)
				{
					const SourceLocation* endLocation = startLocation->getEndLocation();

					if ((startLocation->getType() == LOCATION_TOKEN || startLocation->getType() == LOCATION_QUALIFIER)
						&& startLocation->getLineNumber() == endLocation->getLineNumber()
						&& startLocation->getColumnNumber() <= cursorColumn
						&& endLocation->getColumnNumber() + 1 >= cursorColumn)
					{
						selectedLocationIds.push_back(startLocation->getLocationId());
					}
				}
			);

			if (!selectedLocationIds.empty())
			{
				MessageStatus(
					L"Activating source location from plug-in succeeded: " + filePath.wstr() + L", row: " +
					std::to_wstring(message.row) + L", col: " + std::to_wstring(message.column)
				).dispatch();

				MessageTabOpenWith(0, selectedLocationIds[0]).showNewTab(true).dispatch();
				MessageActivateWindow().dispatch();
				return;
			}
		}

		if (fileId > 0)
		{
			MessageTabOpenWith(filePath, message.row).showNewTab(true).dispatch();
			MessageActivateWindow().dispatch();
		}
		else
		{
			MessageStatus(
				L"Activating source location from plug-in failed. File " + filePath.wstr()
				+ L" was not found in the project.",
				true
			).dispatch();
		}
	}
}

void IDECommunicationController::handleCreateProjectMessage(const NetworkProtocolHelper::CreateProjectMessage& message)
{
	LOG_ERROR_STREAM(<< "Network Protocol CreateProjectMessage not supported anymore.");
}

void IDECommunicationController::handleCreateCDBProjectMessage(const NetworkProtocolHelper::CreateCDBProjectMessage& message)
{
	if (message.valid)
	{
		MessageProjectNew(message.cdbFileLocation).dispatch();
	}
	else
	{
		LOG_ERROR_STREAM(<< "Unable to parse provided CDB, invalid data received");
	}
}

void IDECommunicationController::handlePing(const NetworkProtocolHelper::PingMessage& message)
{
	if (message.valid)
	{
		MessagePingReceived msg;
		msg.ideName = message.ideId;

		if (msg.ideName.empty())
		{
			msg.ideName = L"unknown IDE";
		}

		LOG_INFO(msg.ideName + L" instance detected via plugin port");
		msg.dispatch();
	}
	else
	{
		LOG_ERROR("Can't handle ping, message is invalid");
	}
}

void IDECommunicationController::handleMessage(MessageWindowFocus* message)
{
	if (message->focusIn)
	{
		sendUpdatePing();
	}
}

void IDECommunicationController::handleMessage(MessageIDECreateCDB* message)
{
	std::wstring networkMessage = NetworkProtocolHelper::buildCreateCDBMessage();

	MessageStatus(L"Requesting IDE to create Compilation Database via plug-in.").dispatch();

	sendMessage(networkMessage);
}

void IDECommunicationController::handleMessage(MessageMoveIDECursor* message)
{
	std::wstring networkMessage = NetworkProtocolHelper::buildSetIDECursorMessage(
		message->filePath, message->row, message->column
	);

	MessageStatus(
		L"Jump to source location via plug-in: " + message->filePath.wstr() + L", row: " +
		std::to_wstring(message->row) + L", col: " + std::to_wstring(message->column)
	).dispatch();

	sendMessage(networkMessage);
}

void IDECommunicationController::handleMessage(MessagePluginPortChange* message)
{
	stopListening();
	startListening();
}