local InputContainer = require("ui/widget/container/inputcontainer")
local Device = require("ui/device")
local Screen = require("ui/screen")
local GestureRange = require("ui/gesturerange")
local UIManager = require("ui/uimanager")
local InfoMessage = require("ui/widget/infomessage")
local _ = require("gettext")
local DEBUG = require("dbg")

local ReaderScreenshot = InputContainer:new{}

function ReaderScreenshot:init()
	local diagonal = math.sqrt(
		math.pow(Screen:getWidth(), 2) +
		math.pow(Screen:getHeight(), 2)
	)
	self.ges_events = {
		Screenshot = {
			GestureRange:new{
				ges = "two_finger_tap",
				scale = {diagonal - Screen:scaleByDPI(100), diagonal},
				rate = 1.0,
			}
		},
	}
end

function ReaderScreenshot:onScreenshot()
	if Device:getModel() ~= 'Kobo_phoenix' then
		os.execute("screenshot")
	else Screen.bb:invert() 
		local screenshot_name = os.date("screenshots/Screenshot_%Y-%B-%d_%Hh%M.pam")
		UIManager:show(InfoMessage:new{
			text = _("Writing screen to ")..screenshot_name,
			timeout = 2,
		})
		Screen.bb:writePAM(screenshot_name)
		DEBUG(screenshot_name)
		Screen.bb:invert() 
	end
	UIManager.full_refresh = true
	return true
end

return ReaderScreenshot
