-- Deprecated in favour of GetMessageModeTextButton
-- Retained for compatibility reasons.
function methods:GetMessageModeTextLabel()
	return self:GetMessageModeTextButton()
end

function methods:IsFocused()
	if self.UserHasChatOff then
		return false
	end

	return self:GetTextBox():IsFocused()
end

function methods:GetVisible()
	return self.GuiObject.Visible
end

function methods:CaptureFocus()
	if not self.UserHasChatOff then
		self:GetTextBox():CaptureFocus()
	end
end

function methods:ReleaseFocus(didRelease)
	self:GetTextBox():ReleaseFocus(didRelease)
end

function methods:ResetText()
	self:GetTextBox().Text = ""
end

function methods:SetText(text)
	self:GetTextBox().Text = text
end

function methods:GetEnabled()
	return self.GuiObject.Visible
end

function methods:SetEnabled(enabled)
	if self.UserHasChatOff then
		-- The chat bar can not be removed if a user has chat turned off so that
		-- the chat bar can display a message explaining that chat is turned off.
		self.GuiObject.Visible = true
	else
		self.GuiObject.Visible = enabled
	end
end

function methods:SetTextLabelText(text)
	if not self.UserHasChatOff then
		self.TextLabel.Text = text
	end
end

function methods:SetTextBoxText(text)
	self.TextBox.Text = text
end

function methods:GetTextBoxText()
	return self.TextBox.Text
end

function methods:ResetSize()
	self.TargetYSize = 0
	self:TweenToTargetYSize()
end

local function measureSize(textObj)
	return TextService:GetTextSize(
		textObj.Text,
		textObj.TextSize,
		textObj.Font,
		Vector2.new(textObj.AbsoluteSize.X, 10000)
	)
end

function methods:CalculateSize()
	if self.CalculatingSizeLock then
		return
	end
	self.CalculatingSizeLock = true

	local textSize = nil
	local bounds = nil

	if self:IsFocused() or self.TextBox.Text ~= "" then
		textSize = self.TextBox.TextSize
		bounds = measureSize(self.TextBox).Y
	else
		textSize = self.TextLabel.TextSize
		bounds = measureSize(self.TextLabel).Y
	end

	local newTargetYSize = bounds - textSize
	if (self.TargetYSize ~= newTargetYSize) then
		self.TargetYSize = newTargetYSize
		self:TweenToTargetYSize()
	end

	self.CalculatingSizeLock = false
end

function methods:TweenToTargetYSize()
	local endSize = UDim2.new(1, 0, 1, self.TargetYSize)
	local curSize = self.GuiObject.Size

	local curAbsoluteSizeY = self.GuiObject.AbsoluteSize.Y
	self.GuiObject.Size = endSize
	local endAbsoluteSizeY = self.GuiObject.AbsoluteSize.Y
	self.GuiObject.Size = curSize

	local pixelDistance = math.abs(endAbsoluteSizeY - curAbsoluteSizeY)
	local tweeningTime = math.min(1, (pixelDistance * (1 / self.TweenPixelsPerSecond))) -- pixelDistance * (seconds per pixels)

	local success = pcall(function() self.GuiObject:TweenSize(endSize, Enum.EasingDirection.Out, Enum.EasingStyle.Quad, tweeningTime, true) end)
	if (not success) then
		self.GuiObject.Size = endSize
	end
end

function methods:SetTextSize(textSize)
	if not self:IsInCustomState() then
		if self.TextBox then
			self.TextBox.TextSize = textSize
		end
		if self.TextLabel then
			self.TextLabel.TextSize = textSize
		end
	end
end

function methods:GetDefaultChannelNameColor()
	if ChatSettings.DefaultChannelNameColor then
		return ChatSettings.DefaultChannelNameColor
	end
	return Color3.fromRGB(35, 76, 142)
end

function methods:SetChannelTarget(targetChannel)
	local messageModeTextButton = self.GuiObjects.MessageModeTextButton
	local textBox = self.TextBox
	local textLabel = self.TextLabel

	self.TargetChannel = targetChannel

	if not self:IsInCustomState() then
		if targetChannel ~= ChatSettings.GeneralChannelName then
			messageModeTextButton.Size = UDim2.new(0, 1000, 1, 0)
			local localizedTargetChannel = targetChannel
			if ChatLocalization.tryLocalize then
				localizedTargetChannel = ChatLocalization:tryLocalize(targetChannel)
			end
			messageModeTextButton.Text = string.format("[%s] ", localizedTargetChannel)

			local channelNameColor = self:GetChannelNameColor(targetChannel)
			if channelNameColor then
				messageModeTextButton.TextColor3 = channelNameColor
			else
				messageModeTextButton.TextColor3 = self:GetDefaultChannelNameColor()
			end

			local xSize = messageModeTextButton.TextBounds.X
			messageModeTextButton.Size = UDim2.new(0, xSize, 1, 0)
			textBox.Size = UDim2.new(1, -xSize, 1, 0)
			textBox.Position = UDim2.new(0, xSize, 0, 0)
			textLabel.Size = UDim2.new(1, -xSize, 1, 0)
			textLabel.Position = UDim2.new(0, xSize, 0, 0)
		else
			messageModeTextButton.Text = ""
			messageModeTextButton.Size = UDim2.new(0, 0, 0, 0)
			textBox.Size = UDim2.new(1, 0, 1, 0)
			textBox.Position = UDim2.new(0, 0, 0, 0)
			textLabel.Size = UDim2.new(1, 0, 1, 0)
			textLabel.Position = UDim2.new(0, 0, 0, 0)
		end
	end
end

function methods:IsInCustomState()
	return self.InCustomState
end

function methods:ResetCustomState()
	if self.InCustomState then
		self.CustomState:Destroy()
		self.CustomState = nil
		self.InCustomState = false

		self.ChatBarParentFrame:ClearAllChildren()
		self:CreateGuiObjects(self.ChatBarParentFrame)
		self:SetTextLabelText(
			ChatLocalization:Get(
				"GameChat_ChatMain_ChatBarText",
				'To chat click here or press "/" key'
			)
		)
	end
end

function methods:EnterWhisperState(player)
	self:ResetCustomState()
	if WhisperModule.CustomStateCreator then
		self.CustomState = WhisperModule.CustomStateCreator(
			player,
			self.ChatWindow,
			self,
			ChatSettings
		)
		self.InCustomState = true
	else
		self:SetText("/w " .. player.Name)
	end
	self:CaptureFocus()
end

function methods:GetCustomMessage()
	if self.InCustomState then
		return self.CustomState:GetMessage()
	end
	return nil
end

function methods:CustomStateProcessCompletedMessage(message)
	if self.InCustomState then
		return self.CustomState:ProcessCompletedMessage()
	end
	return false
end

function methods:FadeOutBackground(duration)
	self.AnimParams.Background_TargetTransparency = 1
	self.AnimParams.Background_NormalizedExptValue = CurveUtil:NormalizedDefaultExptValueInSeconds(duration)
	self:FadeOutText(duration)
end

function methods:FadeInBackground(duration)
	self.AnimParams.Background_TargetTransparency = 0.6
	self.AnimParams.Background_NormalizedExptValue = CurveUtil:NormalizedDefaultExptValueInSeconds(duration)
	self:FadeInText(duration)
end

function methods:FadeOutText(duration)
	self.AnimParams.Text_TargetTransparency = 1
	self.AnimParams.Text_NormalizedExptValue = CurveUtil:NormalizedDefaultExptValueInSeconds(duration)
end

function methods:FadeInText(duration)
	self.AnimParams.Text_TargetTransparency = 0.4
	self.AnimParams.Text_NormalizedExptValue = CurveUtil:NormalizedDefaultExptValueInSeconds(duration)
end

function methods:AnimGuiObjects()
	self.GuiObject.BackgroundTransparency = self.AnimParams.Background_CurrentTransparency
	self.GuiObjects.TextBoxFrame.BackgroundTransparency = self.AnimParams.Background_CurrentTransparency

	self.GuiObjects.TextLabel.TextTransparency = self.AnimParams.Text_CurrentTransparency
	self.GuiObjects.TextBox.TextTransparency = self.AnimParams.Text_CurrentTransparency
	self.GuiObjects.MessageModeTextButton.TextTransparency = self.AnimParams.Text_CurrentTransparency
end

function methods:InitializeAnimParams()
	self.AnimParams.Text_TargetTransparency = 0.4
	self.AnimParams.Text_CurrentTransparency = 0.4
	self.AnimParams.Text_NormalizedExptValue = 1

	self.AnimParams.Background_TargetTransparency = 0.6
	self.AnimParams.Background_CurrentTransparency = 0.6
	self.AnimParams.Background_NormalizedExptValue = 1
end

function methods:Update(dtScale)
	self.AnimParams.Text_CurrentTransparency = CurveUtil:Expt(
			self.AnimParams.Text_CurrentTransparency,
			self.AnimParams.Text_TargetTransparency,
			self.AnimParams.Text_NormalizedExptValue,
			dtScale
	)
	self.AnimParams.Background_CurrentTransparency = CurveUtil:Expt(
			self.AnimParams.Background_CurrentTransparency,
			self.AnimParams.Background_TargetTransparency,
			self.AnimParams.Background_NormalizedExptValue,
			dtScale
	)

	self:AnimGuiObjects()
end

function methods:SetChannelNameColor(channelName, channelNameColor)
	self.ChannelNameColors[channelName] = channelNameColor
	if self.GuiObjects.MessageModeTextButton.Text == channelName then
		self.GuiObjects.MessageModeTextButton.TextColor3 = channelNameColor
	end
end

function methods:GetChannelNameColor(channelName)
	return self.ChannelNameColors[channelName]
end