--by pavetr.top/ds
if not MENU_DLL then return end

local obkak = {}

exec_menuaddtab("Chrom Log", function()
	exec_menuaddbutton("Clear chromium.log", 15, 40, function()
		obkak.finalPath = obkak.cleanPath(exec_Read(obkak.filePath))
		obkak.chromiumLogPath = obkak.finalPath .. "/" .. obkak.chromiumLogFileName
        
		if exec_Read(obkak.chromiumLogPath) then
			obkak.scanAndRemoveLogs(obkak.chromiumLogPath)
		else
			exec_notification("chromium.log not found.")
		end
	end)

	exec_menuaddlabel("Script will clear logs on game shutdown", 15, 90, 20, 300, 30)
    
	exec_menuaddbutton("Change path", 15, 140, function()
		Derma_StringRequest(
            "exechack.cc",
            "Input new path to Garry's Mod folder:",
            "",
            function(text)
			if text ~= "" and text:match("^[A-Za-z]:\\.*") then
				local finalPath = obkak.cleanPath(text)
				obkak.chromiumLogPath = finalPath .. "/" .. obkak.chromiumLogFileName
                    
				if exec_Read(obkak.chromiumLogPath) then
					exec_Write(obkak.filePath, text:gsub("\\", "/"))
					exec_notification("Path updated successfully!")
				else
					exec_notification("chromium.log not found at the new path.")
				end
			else
				exec_notification("Invalid path provided.")
			end
		end,
            function()
		end
        )
	end)

	exec_menuaddlabel("by farshmak", 15, 380, 13, 100, 30)
end)

obkak.filePath = "C:/exechack/chromiumlogcleaner.txt"
obkak.defaultPath = "C:\\Program Files (x86)\\Steam\\steamapps\\common\\GarrysMod"
obkak.unwantedPattern = "exechack.cc"
obkak.chromiumLogFileName = "chromium.log"

obkak.cleanPath = function(path)
	if not path then
		return "" 
	end
	return path:gsub("\\", "/"):match("^%s*(.-)%s*$")
end

obkak.isUnwantedLog = function(line)
	return string.match(line, obkak.unwantedPattern) ~= nil
end

obkak.scanAndRemoveLogs = function(filePath)
	local fileContents = exec_Read(filePath)
	if not fileContents then
		exec_notification("Chromium log not found.")
		return
	end

	local lines = string.Split(fileContents, "\n")
	local cleanedLines = {}
	local deletedCount = 0

	for _, line in ipairs(lines) do
		if not obkak.isUnwantedLog(line) then
			table.insert(cleanedLines, line)
		else
			deletedCount = deletedCount + 1
		end
	end

	if deletedCount == 0 then
		exec_notification("No unwanted log entries found.")
		return
	end

	local cleanedFileContents = table.concat(cleanedLines, "\n")
	local success = exec_Write(filePath, cleanedFileContents)

	if success then
		exec_notification("File cleaned successfully. " .. deletedCount .. " log entries deleted.")
	else
		exec_notification("Error writing to file: " .. filePath)
	end

	local postCleanContents = exec_Read(filePath)
	if postCleanContents then
		local postCleanLines = string.Split(postCleanContents, "\n")
		local postCleanDeletedCount = 0

		for _, line in ipairs(postCleanLines) do
			if obkak.isUnwantedLog(line) then
				postCleanDeletedCount = postCleanDeletedCount + 1
			end
		end

		if postCleanDeletedCount == 0 then
			exec_notification("No unwanted log entries found after cleaning.")
		end
	end
end

obkak.fileContents = exec_Read(obkak.filePath)

if not obkak.fileContents or not obkak.fileContents:match("^[A-Za-z]:\\.*") then
	obkak.cleanedPath = obkak.cleanPath(obkak.fileContents)

	if not obkak.cleanedPath:match("^[A-Za-z]:/.*") then
		Derma_StringRequest(
            "exechack.cc", 
            [[Input path to GarrysMod folder or press OK to apply default:
            C:\Program Files (x86)\Steam\steamapps\common\GarrysMod]],
            "",
            function(text)
            	
			if text == "" then
				text = obkak.defaultPath
			end

			if text:match("^[A-Za-z]:\\.*") then
				local finalPath = obkak.cleanPath(text)
				obkak.chromiumLogPath = finalPath .. "/" .. obkak.chromiumLogFileName
                    
				if not exec_Read(obkak.chromiumLogPath) then
					exec_notification("chromium.log not found at the provided path.")
					return
				end

				exec_Write(obkak.filePath, text:gsub("\\", "/"))
				exec_notification("Path updated successfully!")

				obkak.scanAndRemoveLogs(obkak.chromiumLogPath)
			else
				exec_notification("Invalid path provided.")
			end
		end,
            function()
			exec_notification([[Not found chromium.log]])
		end
        )
		return
	end

	exec_Write(obkak.filePath, obkak.cleanedPath)
end

obkak.finalPath = obkak.cleanPath(obkak.fileContents)
obkak.chromiumLogPath = obkak.finalPath .. "/" .. obkak.chromiumLogFileName

if not exec_Read(obkak.chromiumLogPath) then
	exec_notification("Chromium log not found at the specified path.")
else
	obkak.scanAndRemoveLogs(obkak.chromiumLogPath)
end

hook.Add("ShutDown", "ClearLogsOnShutdown", function()
	obkak.finalPath = obkak.cleanPath(exec_Read(obkak.filePath))
	obkak.chromiumLogPath = obkak.finalPath .. "/" .. obkak.chromiumLogFileName

	if exec_Read(obkak.chromiumLogPath) then
		obkak.scanAndRemoveLogs(obkak.chromiumLogPath)
	else
		exec_notification("Chromium log not found during shutdown.")
	end
end)