print("Loading...")

local configuration = {
	subject = "cartoons",
	timeout = 15
}

print("Defining utilities...")

local PlayersService = game:GetService("Players")
local TextChatService = game:GetService("TextChatService")
local RBXGeneral = TextChatService:WaitForChild("TextChannels"):WaitForChild("RBXGeneral")

local function say(t)
	RBXGeneral:SendAsync(tostring(t))
end

local function getPlayer(query)
	local Players = PlayersService:GetPlayers()
	
	for _, player in pairs(Players) do
		if (type(query) == "number" and player.UserId == query) or (type(query) == "string" and player.name:lower() == query:lower()) then
			return player
		end
	end
	
	for _, player in pairs(Players) do
		if type(query) == "string" and player.name:lower():find(query:lower()) then
			return player
		end
	end
end

local function shuffleTable(t)
    local n = #t
    for i = n, 2, -1 do
        local j = math.random(i)
        t[i], t[j] = t[j], t[i]
    end
end

local OnMessage = {}

local function WaitForMessage(predicate, timeout)
	local message = nil
	local start = os.time()
	
	table.insert(OnMessage, {
		callback = function(m)
			message = m	
		end,
		predicate = predicate,
		once = true
	})
	
	repeat wait() until message or os.time() > (start + timeout)
	
	return message
end

print("Checking for an old connection...")

if _G.connection then
	print("Old connection found, disconnecting...")
	_G.connection:Disconnect()
	print("Old connection has been disconnected successfully.")
else
	print("An old connection was not found.")
end

print("Setting up quizzes...")

local quizzes = {
	geography = {
        {
            question = "What is the capital of France?",
            answer = "paris"
        },
        {
            question = "Which continent is the Sahara Desert located in?",
            answer = "africa"
        },
        {
            question = "What is the longest river in the world?",
            answer = {"nile river", "nile"}
        },
        {
            question = "Which country is known as the Land of the Rising Sun?",
            answer = "japan"
        },
        {
            question = "What is the largest ocean on Earth?",
            answer = {"pacific ocean", "pacific"}
        },
        {
            question = "What is the capital of Australia?",
            answer = "canberra"
        },
        {
            question = "Which country has the largest population?",
            answer = "china"
        },
        {
            question = "What is the smallest country in the world?",
            answer = "vatican city"
        },
        {
            question = "What mountain range separates Europe and Asia?",
            answer = {"ural mountains", "ural"}
        },
        {
            question = "What is the capital of Canada?",
            answer = "ottawa"
        }
    },
    biology = {
        {
            question = "What is the powerhouse of the cell?",
            answer = "mitochondria"
        },
        {
            question = "What is the process by which plants make their food?",
            answer = "photosynthesis"
        },
        {
            question = "What is the largest organ in the human body?",
            answer = "skin"
        },
        {
            question = "Which organ is responsible for pumping blood throughout the human body?",
            answer = "heart"
        },
        {
            question = "What is the basic unit of life?",
            answer = "cell"
        },
        {
            question = "What molecule carries genetic information?",
            answer = "dna"
        },
        {
            question = "What type of blood cells help fight infection?",
            answer = {"white blood cells", "white", "white cells"}
        },
        {
            question = "What is the study of heredity and the variation of inherited characteristics?",
            answer = "genetics"
        },
        {
            question = "What is the process of cell division that results in two identical daughter cells?",
            answer = "mitosis"
        },
        {
            question = "What is the name of the pigment that gives skin and hair its color?",
            answer = "melanin"
        }
    },
    cartoons = {
        {
            question = "What color is Gumball's fur in The Amazing World of Gumball?",
            answer = "blue"
        },
        {
            question = "What is SpongeBob SquarePants occupation?",
            answer = { "fry cook", "cook" }
        },
        {
            question = "What kind of animal is BoJack in BoJack Horseman?",
            answer = "horse"
        },
        {
            question = "In Adventure Time, what is the name of Jakes best friend?",
            answer = "finn"
        },
        {
            question = "What is the name of the town where The Simpsons live?",
            answer = "springfield"
        },
        {
            question = "In Rick and Morty, what is the name of Ricks grandson?",
            answer = "morty"
        },
        {
            question = "What is the name of the secret organization in Kim Possible?",
            answer = { "global justice", "gj" }
        },
        {
            question = "Who is the main antagonist in Phineas and Ferb?",
            answer = { "dr doofenshmirtz", "doofenshmirtz" }
        },
        {
            question = "In Steven Universe, what is Stevens last name?",
            answer = "universe"
        },
        {
            question = "What is the name of the dog in Family Guy?",
            answer = "brian"
        },
        {
            question = "In Gravity Falls, what is the name of the mysterious journal author?",
            answer = { "stanford", "stanford pines" }
        },
        {
            question = "In The Fairly OddParents, what are the names of Timmys fairy godparents?",
            answer = { "cosmo", "wanda" }
        },
        {
            question = "In Avatar: The Last Airbender, what element does Aang initially have the most difficulty mastering?",
            answer = "earth"
        },
        {
            question = "What is the name of the main protagonist in Ben 10?",
            answer = { "ben tennyson", "ben" }
        },
        {
            question = "In Courage the Cowardly Dog, what is the name of Courages owner?",
            answer = { "muriel", "muriel bagge" }
        },
        {
            question = "What is the name of the fast food restaurant in Bobs Burgers?",
            answer = "bobs burgers"
        },
        {
            question = "In Teen Titans, what is the name of the alien princess?",
            answer = "starfire"
        },
        {
            question = "What is the name of the main character in Dexters Laboratory?",
            answer = "dexter"
        },
        {
            question = "In The Powerpuff Girls, what is the name of their arch-nemesis?",
            answer = "mojo jojo"
        },
        {
            question = "What is the name of the futuristic city in The Jetsons?",
            answer = "orbit city"
        },
        {
            question = "In Futurama, what is the name of Frys one-eyed love interest?",
            answer = "leela"
        },
        {
            question = "What is the name of the yellow bird in The Simpsons?",
            answer = { "itchy", "itchy and scratchy" }
        },
        {
            question = "What is the name of the primary antagonist in Scooby-Doo?",
            answer = "old man jenkins"
        },
        {
            question = "In Avatar: The Last Airbender, who is the leader of the Fire Nation?",
            answer = { "fire lord ozai", "ozai" }
        },
        {
            question = "In Samurai Jack, what is the name of the shape-shifting demon?",
            answer = "aku"
        },
        {
            question = "What is the name of the evil genius in Pinky and the Brain?",
            answer = "brain"
        },
        {
            question = "In Invader Zim, what is the name of Zims robot servant?",
            answer = "gir"
        },
        {
            question = "In Steven Universe, what is the name of Stevens mother?",
            answer = "rose quartz"
        },
        {
            question = "What is the name of the town where South Park takes place?",
            answer = "south park"
        },
        {
            question = "In The Simpsons, what is the name of Homers boss?",
            answer = "mr burns"
        },
        {
            question = "What is the name of the planet where Rick and Morty primarily takes place?",
            answer = "earth"
        },
        {
            question = "In Adventure Time, what is the name of Princess Bubblegums kingdom?",
            answer = "candy kingdom"
        },
        {
            question = "In The Loud House, what is the name of the protagonist?",
            answer = "lincoln loud"
        },
        {
            question = "In The Flintstones, what is the name of Fred Flintstones pet dinosaur?",
            answer = "dino"
        },
        {
            question = "What is the name of the blue dog in Blues Clues?",
            answer = "blue"
        },
        {
            question = "In Rugrats, what is the name of Tommys best friend?",
            answer = "chuckie"
        },
        {
            question = "What is the name of the town where Gravity Falls takes place?",
            answer = "gravity falls"
        },
        {
            question = "In SpongeBob SquarePants, what is the name of SpongeBobs pet snail?",
            answer = "gary"
        },
        {
            question = "What is the name of the family in The Wild Thornberrys?",
            answer = { "thornberry", "the thornberrys" }
        },
        {
            question = "In Arthur, what kind of animal is Arthur?",
            answer = "aardvark"
        },
        {
            question = "What is the name of the park in Regular Show?",
            answer = "the park"
        },
        {
            question = "In Ed, Edd n Eddy, what is the name of the character with a plank?",
            answer = "jonny"
        },
        {
            question = "What is the name of the young scientist in Jimmy Neutron?",
            answer = "jimmy neutron"
        },
        {
            question = "In The Fairly OddParents, what is the name of Timmys teacher?",
            answer = "mr crocker"
        },
        {
            question = "What is the name of the robot maid in The Jetsons?",
            answer = "rosie"
        },
        {
            question = "In My Little Pony: Friendship is Magic, what is the name of the purple alicorn?",
            answer = "twilight sparkle"
        },
        {
            question = "What is the name of the mystery-solving dog in Scooby-Doo?",
            answer = "scooby-doo"
        },
        {
            question = "In The Amazing World of Gumball, what is the name of Gumballs sister?",
            answer = "anais"
        },
        {
            question = "What is the name of the futuristic setting in Futurama?",
            answer = "new new york"
        },
        {
            question = "In Teen Titans Go!, what is the name of the shape-shifting hero?",
            answer = "beast boy"
        }
    }
}

local function runQuiz(quiz, subject)
	say("✨ | A " .. subject .. " quiz has been started! To answer a question, simply type your answer in chat. If I don't respond, your answer was incorrect.")
	
	shuffleTable(quiz)
	
	local leaderboard = {}
	
	for i, v in pairs(quiz) do
		say("🎙 | " .. v.question)
		
		local winner = WaitForMessage(function(message)
			return (type(v.answer) == "string" and message.Text:lower() == v.answer:lower()) or (type(v.answer) == "table" and table.find(v.answer, message.Text:lower()))
		end, configuration.timeout)
		
		if winner then
			winner = getPlayer(winner.TextSource.UserId)
			
			if winner then
				local added = false
				
				for _, e in pairs(leaderboard) do
					if e.player.id == winner.UserId then
						e.points = e.points + 1
					end
				end
				
				if not added then
					table.insert(leaderboard, {player = {name = winner.Name, id = winner.UserId}, points = 1})
				end
				
				say("✅ | " .. winner.Name .. " answered the question correctly! They have earned one point.")
			end
		else
			say("❌ | Moving on, nobody answered correctly within " .. configuration.timeout .. " seconds. The answer was: " .. ((type(v.answer) == "string" and v.answer) or (type(v.answer) == "table" and table.concat(v.answer, ", "))))
		end
	end
	
	table.sort(leaderboard, function(a,b)
		return a.points > b.points
	end)
	
	if leaderboard and leaderboard[1] then
		say("🥇 | " .. leaderboard[1].player.name .. " won with " .. leaderboard[1].points .. " points!")
	else
		say("❌ | Nobody won this round.")
	end
	
	say("💖 | Thanks for playing!")
end

print("Connecting to RBXGeneral...")

_G.connection = RBXGeneral.MessageReceived:Connect(function(message)
	for i = #OnMessage,1,-1 do
		local c = OnMessage[i]
		
		if (c.predicate and c.predicate(message)) or (not c.predicate) then
			c.callback(message);
			
			if c.once then
				table.remove(OnMessage, i)
			end
		end
	end
end)

print("Connected to RBXGeneral successfully.")

runQuiz(quizzes[configuration.subject], configuration.subject)

say("🙏 | Please suggest more quiz subjects to be added to this bot, I'm desperate!")