Input = {}

Input.playermovekeys = { up = "up", down = "down", left = "left", right = "right" }
Input.playerswitchkeys = { ["1"] = "1", ["2"] = "2", ["3"] = "3"}
Input.colorfromkey = {"red", "green", "blue"}
Input.moveRepeatDelay = .28
Input.moveRepeatInterval = .09
Input.heldMoveKey = nil
Input.moveRepeatElapsed = 0
Input.moveRepeatStarted = false

function Input:handler(dt)
	local key = self.heldMoveKey
	if key and not love.keyboard.isDown(key) then
		key = nil
		for _, candidate in ipairs({"up", "down", "left", "right"}) do
			if love.keyboard.isDown(candidate) then key = candidate; break end
		end
		self.heldMoveKey = key
		self.moveRepeatElapsed = 0
		self.moveRepeatStarted = false
	end

	if not key then return nil end
	self.moveRepeatElapsed = self.moveRepeatElapsed + dt
	if not self.moveRepeatStarted then
		if self.moveRepeatElapsed >= self.moveRepeatDelay then
			self.moveRepeatElapsed = 0
			self.moveRepeatStarted = true
			return key
		end
	elseif self.moveRepeatElapsed >= self.moveRepeatInterval then
		self.moveRepeatElapsed = 0
		return key
	end
end

function Input:beginMove(key)
	self.heldMoveKey = key
	self.moveRepeatElapsed = 0
	self.moveRepeatStarted = false
end

function Input:stopMoveRepeat()
	self.heldMoveKey = nil
	self.moveRepeatElapsed = 0
	self.moveRepeatStarted = false

end

function Input.isPlayerMove(key)
	if Input.playermovekeys[key] then
		return true
	end
	return false
end

function Input.isPlayerSwitch(key)
	if Input.playerswitchkeys[key] then
		return true
	end
	return false
end

function Input.playerColor(key)
	return Input.colorfromkey[tonumber(key)]
end