local internalNpcName = "Rose"
local npcType = Game.createNpcType(internalNpcName)
local npcConfig = {}

npcConfig.name = internalNpcName
npcConfig.description = internalNpcName

npcConfig.health = 100
npcConfig.maxHealth = npcConfig.health
npcConfig.walkInterval = 2000
npcConfig.walkRadius = 2

npcConfig.outfit = {
	lookType = 136,
	lookHead = 79,
	lookBody = 77,
	lookLegs = 112,
	lookFeet = 116,
	lookAddons = 0,
}

npcConfig.flags = {
	floorchange = false,
}

local keywordHandler = KeywordHandler:new()
local npcHandler = NpcHandler:new(keywordHandler)

npcType.onThink = function(npc, interval)
	npcHandler:onThink(npc, interval)
end

npcType.onAppear = function(npc, creature)
	npcHandler:onAppear(npc, creature)
end

npcType.onDisappear = function(npc, creature)
	npcHandler:onDisappear(npc, creature)
end

npcType.onMove = function(npc, creature, fromPosition, toPosition)
	npcHandler:onMove(npc, creature, fromPosition, toPosition)
end

npcType.onSay = function(npc, creature, type, message)
	npcHandler:onSay(npc, creature, type, message)
end

npcType.onCloseChannel = function(npc, creature)
	npcHandler:onCloseChannel(npc, creature)
end

local function creatureSayCallback(npc, creature, type, message)
	local player = Player(creature)
	local playerId = player:getId()

	if not npcHandler:checkInteraction(npc, creature) then
		return false
	end

	if MsgContains(message, "Hydra Tongue") then
		npcHandler:say("Do you want to buy a Hydra Tongue for 100 gold?", npc, creature)
		npcHandler:setTopic(playerId, 1)
	elseif MsgContains(message, "yes") then
		if npcHandler:getTopic(playerId) == 1 then
			if player:getMoney() + player:getBankBalance() >= 100 then
				player:removeMoneyBank(100)
				npcHandler:say("Here you are. A Hydra Tongue!", npc, creature)
				player:addItem(7250, 1)
				npcHandler:setTopic(playerId, 0)
			else
				npcHandler:say("You don't have enough money.", npc, creature)
			end
		end
	elseif MsgContains(message, "no") then
		if npcHandler:getTopic(playerId) == 1 then
			npcHandler:say("Then not.", npc, creature)
			npcHandler:setTopic(playerId, 0)
		end
	end
	return true
end

npcHandler:setCallback(CALLBACK_MESSAGE_DEFAULT, creatureSayCallback)
npcHandler:addModule(FocusModule:new(), npcConfig.name, true, true, true)

npcConfig.shop = {
	{ itemName = "exotic flowers", clientId = 2988, buy = 300 },
	{ itemName = "flower bowl", clientId = 2983, buy = 6 },
	{ itemName = "god flowers", clientId = 2981, buy = 5 },
	{ itemName = "honey flower", clientId = 2984, buy = 5 },
	{ itemName = "indoor plant kit", clientId = 2982, buy = 8 },
	{ itemName = "potted flower", clientId = 2985, buy = 5 },
}
-- On buy npc shop message
npcType.onBuyItem = function(npc, player, itemId, subType, amount, ignore, inBackpacks, totalCost)
	npc:sellItem(player, itemId, amount, subType, 0, ignore, inBackpacks)
end
-- On sell npc shop message
npcType.onSellItem = function(npc, player, itemId, subtype, amount, ignore, name, totalCost)
	player:sendTextMessage(MESSAGE_TRADE, string.format("Sold %ix %s for %i gold.", amount, name, totalCost))
end
-- On check npc shop message (look item)
npcType.onCheckItem = function(npc, player, clientId, subType) end

npcType:register(npcConfig)
