 --[[
		Filename: Players.lua
		Written by: Stickmasterluke
		Version 1.0
		Description: Player list inside escape menu, with friend adding functionality.
--]]
-------------- SERVICES --------------
local CoreGui = game:GetService("CoreGui")
local RobloxGui = CoreGui:WaitForChild("RobloxGui")
local GuiService = game:GetService("GuiService")
local PlayersService = game:GetService('Players')
local UserInputService = game:GetService('UserInputService')

----------- UTILITIES --------------
RobloxGui:WaitForChild("Modules"):WaitForChild("TenFootInterface")
local utility = require(RobloxGui.Modules.Settings.Utility)
local isTenFootInterface = require(RobloxGui.Modules.TenFootInterface):IsEnabled()

------------ Constants -------------------
local frameDefaultTransparency = .85
local frameSelectedTransparency = .65

------------ Variables -------------------
local PageInstance = nil
local localPlayer = PlayersService.LocalPlayer
while not localPlayer do
	PlayersService.ChildAdded:wait()
	localPlayer = PlayersService.LocalPlayer
end

----------- CLASS DECLARATION --------------
local function Initialize()
	local settingsPageFactory = require(RobloxGui.Modules.Settings.SettingsPageFactory)
	local this = settingsPageFactory:CreateNewPage()

	local playerLabelFakeSelection = Instance.new('ImageLabel')
	playerLabelFakeSelection.BackgroundTransparency = 1
	--[[playerLabelFakeSelection.Image = 'rbxasset://textures/ui/SelectionBox.png'
	playerLabelFakeSelection.ScaleType = 'Slice'
	playerLabelFakeSelection.SliceCenter = Rect.new(31,31,31,31)]]
	playerLabelFakeSelection.Image = ''
	playerLabelFakeSelection.Size = UDim2.new(0,0,0,0)

	------ TAB CUSTOMIZATION -------
	this.TabHeader.Name = "PlayersTab"

	this.TabHeader.Icon.Image = "rbxasset://textures/ui/Settings/MenuBarIcons/PlayersTabIcon.png"
	if utility:IsSmallTouchScreen() then
		this.TabHeader.Icon.Size = UDim2.new(0,34,0,28)
		this.TabHeader.Icon.Position = UDim2.new(this.TabHeader.Icon.Position.X.Scale,this.TabHeader.Icon.Position.X.Offset,0.5,-14)
		this.TabHeader.Size = UDim2.new(0,115,1,0)
	elseif isTenFootInterface then
		this.TabHeader.Icon.Image = "rbxasset://textures/ui/Settings/MenuBarIcons/PlayersTabIcon@2x.png"
		this.TabHeader.Icon.Size = UDim2.new(0,88,0,74)
		this.TabHeader.Icon.Position = UDim2.new(0,0,0.5,-43)
		this.TabHeader.Size = UDim2.new(0,280,1,0)
	else
		this.TabHeader.Icon.Size = UDim2.new(0,44,0,37)
		this.TabHeader.Icon.Position = UDim2.new(0,15,0.5,-18)	-- -22
		this.TabHeader.Size = UDim2.new(0,150,1,0)
	end

	this.TabHeader.Icon.Title.Text = "Players"

	----- FRIENDSHIP FUNCTIONS ------
	local function getFriendStatus(selectedPlayer)
		local success, result = pcall(function()
			-- NOTE: Core script only
			return localPlayer:GetFriendStatus(selectedPlayer)
		end)
		if success then
			return result
		else
			return Enum.FriendStatus.NotFriend
		end
	end

	------ PAGE CUSTOMIZATION -------
	this.Page.Name = "Players"

	local selectionFound = nil
	local function friendStatusCreate(playerLabel, player)
		if playerLabel then
			-- remove any previous friend status labels
			for _, item in pairs(playerLabel:GetChildren()) do
				if item and item.Name == 'FriendStatus' then
					if GuiService.SelectedCoreObject == item then
						selectionFound = nil
						GuiService.SelectedCoreObject = nil
					end
					item:Destroy()
				end
			end

			-- create new friend status label
			local status = nil
			if player and player ~= localPlayer and player.userId > 1 and localPlayer.userId > 1 then
				status = getFriendStatus(player)
			end

			local friendLabel, friendLabelText = nil, nil
			if not status then
				friendLabel = Instance.new('TextButton')
				friendLabel.Text = ''
				friendLabel.BackgroundTransparency = 1
				friendLabel.Position = UDim2.new(1,-198,0,7)
			elseif status == Enum.FriendStatus.Friend then 
				friendLabel = Instance.new('TextButton')
				friendLabel.Text = 'Friend'
				friendLabel.BackgroundTransparency = 1
				friendLabel.FontSize = 'Size24'
				friendLabel.Font = 'SourceSans'
				friendLabel.TextColor3 = Color3.new(1,1,1)
				friendLabel.Position = UDim2.new(1,-198,0,7)
			elseif status == Enum.FriendStatus.Unknown or status == Enum.FriendStatus.NotFriend or status == Enum.FriendStatus.FriendRequestReceived then
				local addFriendFunc = function()
					if friendLabel and friendLabelText and friendLabelText.Text ~= '' then
						friendLabel.ImageTransparency = 1
						friendLabelText.Text = ''
						if localPlayer and player then
							localPlayer:RequestFriendship(player)
						end
					end
				end
				local friendLabel2, friendLabelText2 = utility:MakeStyledButton("FriendStatus", "Add Friend", UDim2.new(0, 182, 0, 46), addFriendFunc)
				friendLabel = friendLabel2
				friendLabelText = friendLabelText2
				friendLabelText.ZIndex = 3
				friendLabelText.Position = friendLabelText.Position + UDim2.new(0,0,0,1)
				friendLabel.Position = UDim2.new(1,-198,0,7)
			elseif status == Enum.FriendStatus.FriendRequestSent then
				friendLabel = Instance.new('TextButton')
				friendLabel.Text = 'Request Sent'
				friendLabel.BackgroundTransparency = 1
				friendLabel.FontSize = 'Size24'
				friendLabel.Font = 'SourceSans'
				friendLabel.TextColor3 = Color3.new(1,1,1)
				friendLabel.Position = UDim2.new(1,-198,0,7)
			end

			if friendLabel then
				friendLabel.Name = 'FriendStatus'
				friendLabel.Size = UDim2.new(0,182,0,46)
				friendLabel.ZIndex = 3
				friendLabel.Parent = playerLabel
				friendLabel.SelectionImageObject = playerLabelFakeSelection

				local updateHighlight = function()
					if playerLabel then
						playerLabel.ImageTransparency = friendLabel and GuiService.SelectedCoreObject == friendLabel and frameSelectedTransparency or frameDefaultTransparency
					end
				end
				friendLabel.SelectionGained:connect(updateHighlight)
				friendLabel.SelectionLost:connect(updateHighlight)

				if UserInputService.GamepadEnabled and not selectionFound then
					selectionFound = true
					local fakeSize = 20
					playerLabelFakeSelection.Size = UDim2.new(0,playerLabel.AbsoluteSize.X+fakeSize,0,playerLabel.AbsoluteSize.Y+fakeSize)
					playerLabelFakeSelection.Position = UDim2.new(0, -(playerLabel.AbsoluteSize.X-198)-fakeSize*.5, 0, -8-fakeSize*.5)
					GuiService.SelectedCoreObject = friendLabel
				end
			end

		end
	end

	localPlayer.FriendStatusChanged:connect(function(player, friendStatus)
		if player then
			local playerLabel = this.Page:FindFirstChild('PlayerLabel'..player.Name)
			if playerLabel then
				friendStatusCreate(playerLabel, player)
			end
		end
	end)

	if utility:IsSmallTouchScreen() then
		local spaceFor3Buttons = RobloxGui.AbsoluteSize.x >= 720	-- else there is only space for 2

		local resetFunc = function()
			this.HubRef:SwitchToPage(this.HubRef.ResetCharacterPage, false, 1)
		end
		local resetButton, resetLabel = utility:MakeStyledButton("ResetButton", "Reset Character", UDim2.new(0, 200, 0, 62), resetFunc)
		resetLabel.Size = UDim2.new(1, 0, 1, -6)
		resetLabel.FontSize = Enum.FontSize.Size24
		resetButton.Position = UDim2.new(0.5,spaceFor3Buttons and -340 or -220,0,14)
		resetButton.Parent = this.Page

		local leaveGameFunc = function()
			this.HubRef:SwitchToPage(this.HubRef.LeaveGamePage, false, 1)
		end
		local leaveButton, leaveLabel = utility:MakeStyledButton("LeaveButton", "Leave Game", UDim2.new(0, 200, 0, 62), leaveGameFunc)
		leaveLabel.Size = UDim2.new(1, 0, 1, -6)
		leaveLabel.FontSize = Enum.FontSize.Size24
		leaveButton.Position = UDim2.new(0.5,spaceFor3Buttons and -100 or 20,0,14)
		leaveButton.Parent = this.Page

		if spaceFor3Buttons then
			local resumeGameFunc = function()
				this.HubRef:SetVisibility(false)
			end
			resumeButton, resumeLabel = utility:MakeStyledButton("ResumeButton", "Resume Game", UDim2.new(0, 200, 0, 62), resumeGameFunc)
			resumeLabel.Size = UDim2.new(1, 0, 1, -6)
			resumeLabel.FontSize = Enum.FontSize.Size24
			resumeButton.Position = UDim2.new(0.5,140,0,14)
			resumeButton.Parent = this.Page
		end
	end

	local existingPlayerLabels = {}
	this.Displayed.Event:connect(function(switchedFromGamepadInput)
		local sortedPlayers = PlayersService:GetPlayers()
		table.sort(sortedPlayers,function(item1,item2)
			return item1.Name < item2.Name
		end)

		local extraOffset = 20
		if utility:IsSmallTouchScreen() then
			extraOffset = 85
		end

		selectionFound = nil

		-- iterate through players to reuse or create labels for players
		for index=1, #sortedPlayers do
			local player = sortedPlayers[index]
			local frame = existingPlayerLabels[index]
			if player then
				-- create label (frame) for this player index if one does not exist
				if not frame or not frame.Parent then
					frame = Instance.new('ImageLabel')
					frame.Image = "rbxasset://textures/ui/dialog_white.png"
					frame.ScaleType = 'Slice'
					frame.SliceCenter = Rect.new(10,10,10,10)
					frame.Size = UDim2.new(1,0,0,60)
					frame.Position = UDim2.new(0,0,0,(index-1)*80 + extraOffset)
					frame.BackgroundTransparency = 1
					frame.ZIndex = 2

					local icon = Instance.new('ImageLabel')
					icon.Name = 'Icon'
					icon.BackgroundTransparency = 1
					icon.Size = UDim2.new(0,36,0,36)
					icon.Position = UDim2.new(0,12,0,12)
					icon.ZIndex = 3
					icon.Parent = frame

					local nameLabel = Instance.new('TextLabel')
					nameLabel.Name = 'NameLabel'
					nameLabel.TextXAlignment = Enum.TextXAlignment.Left
					nameLabel.Font = 'SourceSans'
					nameLabel.FontSize = 'Size24'
					nameLabel.TextColor3 = Color3.new(1,1,1)
					nameLabel.BackgroundTransparency = 1
					nameLabel.Position = UDim2.new(0,60,.5,0)
					nameLabel.Size = UDim2.new(0,0,0,0)
					nameLabel.ZIndex = 3
					nameLabel.Parent = frame

					frame.MouseEnter:connect(function()
						frame.ImageTransparency = frameSelectedTransparency
					end)
					frame.MouseLeave:connect(function()
						frame.ImageTransparency = frameDefaultTransparency
					end)

					frame.Parent = this.Page
					table.insert(existingPlayerLabels, index, frame)
				end
				frame.Name = 'PlayerLabel'..player.Name
				frame.Icon.Image = 'https://www.roblox.com/Thumbs/Avatar.ashx?x=100&y=100&userId='..math.max(1, player.userId)
				frame.NameLabel.Text = player.Name
				frame.ImageTransparency = frameDefaultTransparency

				friendStatusCreate(frame, player)
			end
		end

		-- iterate through existing labels in reverse to destroy and remove unused labels
		for index=#existingPlayerLabels, 1, -1 do
			local player = sortedPlayers[index]
			local frame = existingPlayerLabels[index]
			if frame and not player then
				table.remove(existingPlayerLabels, i)
				frame:Destroy()
			end
		end

		this.Page.Size = UDim2.new(1,0,0, extraOffset + 80 * #sortedPlayers - 5)
	end)

	return this
end

----------- Public Facing API Additions --------------
PageInstance = Initialize()

return PageInstance
