#include "ui_defs.lua"

function Ui.TextInput(obj)
	local textInput 
	textInput = Ui.Frame
	{
		focus = false,
		isGamepad = false,
		background = Ui.ImageBox
		{
            id = "background",
			path = "ui/common/box-outline-6.png",
			border = {width = 6, height = 6},
			color = {1,1,1,0.5},

			onPreDraw = function(self)
                self:fromParent()
			end,
		},
		placeholder = Ui.Text
		{
			margin = {left = 8},
			vAlign = Ui.ContentLayout.Vertical.Middle,
			text = "Input text",
			colorFilter = {1,1,1,0.5},
		},
		data =
		{
			text = ""
		},
		clearButton = Ui.Text
		{
			vAlign = Ui.ContentLayout.Vertical.Middle,
			hAlign = Ui.ContentLayout.Horizontal.Right,
			margin = {right = 10},
			text = "x",
			textOnly = true,
			onPreDraw = function(self)
				if not self.parent.isGamepad then
					Ui.ProcessFocus(self)
				end
			end,
			onMouseEnter = function(self)
				self.color = 0xFFFF7F
			end,
			onMouseLeave = function(self)
				self.color = 0xFFFFFF
			end,
			onPressed = function(self)
				self.parent.input:clear()
			end,
		},
		input = Ui.Object:new
		{
			visible = true,
			maxLength = 0,
			color = {1,1,1},
			onPreDraw = function(self)
                self:fromParent()
				self.parent.placeholder.visible = self:empty()
			end,
			empty = function(self)
				return UiGetSymbolsCount(self.parent.data.text) == 0
			end,
			clear = function(self)
				self.parent.data.text = ""
			end,
			draw = function(self)
				UiColor(unpack(self.color))
				Ui:Font("regular.ttf", 22)
				self.parent.data.text = UiTextInput(self.parent.data.text, self.w, self.h, self.parent.focus)
				if UiGetSymbolsCount(self.parent.data.text) > self.maxLength then
					self.parent.data.text = UiTextSymbolsSub(self.parent.data.text, 1, self.maxLength)
				end
			end,
		},

		onPostDraw = function(self)
			self.isGamepad = LastInputDevice() == UI_DEVICE_GAMEPAD
			self.clearButton.visible = not self.isGamepad
		end,

        setText = function(self, newText)
            self.data.text = newText
        end,

        getText = function(self)
            return tostring(self.data.text)
        end,
		empty = function(self)
			return self.input:empty()
		end,
		deleteLastCharacter = function(self)
			local len = UiGetSymbolsCount(self.data.text)
			if len > 0 then
				self.data.text = UiTextSymbolsSub(self.data.text, 1, len - 1)
			end
		end,
		onFocused = function(self)
		end,
	}

	return textInput:new(obj)
end