local Players = game:GetService("Players")
local ReplicatedStorage = game:GetService("ReplicatedStorage")
local StarterGui = game:GetService("StarterGui")
local BotData = require(ReplicatedStorage.Data.BotData)
local InventoryClient = require(script.Parent.InventoryClient)
local DataTypes = require(ReplicatedStorage.Data.DataTypes)
local Signal = require(ReplicatedStorage.Shared.SharedUtils.Signal)
local sharedBotUtils = require(ReplicatedStorage.Shared.SharedUtils.sharedBotUtils)
local GarageUIHandler = {}

local localPlayer = Players.LocalPlayer
local PlayerGui = localPlayer.PlayerGui

local GarageGui = PlayerGui:WaitForChild("GarageGui")
local WorldOverlay = GarageGui:WaitForChild("WorldOverlay")

local nav_Left = GarageGui.Navigation.Left
local nav_Right = GarageGui.Navigation.Right

local StatusHUD = GarageGui:WaitForChild("StatusHUD")

local TopCenter = GarageGui:WaitForChild("TopCenter")
local BotName = TopCenter:WaitForChild("BotName")
local SkinName = TopCenter:WaitForChild("SkinName")

local Drawer = GarageGui:WaitForChild("Drawer")

local SelectedTab = Drawer:WaitForChild("SelectedTab")
local Selector = SelectedTab:WaitForChild("Selector")

local Handle = Drawer:WaitForChild("Handle")

local Tabs = Drawer:WaitForChild("Tabs")
local t_Accessories = Tabs:WaitForChild("Accessories")
local t_Skins = Tabs:WaitForChild("Skins")
local t_Tanks = Tabs:WaitForChild("Tanks")

local SafetyDrawer = Drawer:WaitForChild("SafetyDrawer")
local ScrollingFrame = SafetyDrawer:WaitForChild("ScollingFrame")

local InteractionContainer = SafetyDrawer:WaitForChild("InteractionContainer")

local BuyContainer = InteractionContainer:WaitForChild("BuyContainer")
local BuyButton = BuyContainer:WaitForChild("LowerButton")
local EquipIndicator = BuyContainer:WaitForChild("Indicator")

local EquipContainer = InteractionContainer:WaitForChild("EquipContainer")
local EquipButton = EquipContainer:WaitForChild("LowerButton")
local EquipIndicator = EquipContainer:WaitForChild("Indicator")

type Inventory = DataTypes.Inventory

local Models = ReplicatedStorage.Assets.Models
local ITEM_TEMPLATE = ReplicatedStorage.Assets.UI:WaitForChild("ITEM_TEMPLATE")

--t is a tab button :)

local HANDLE_UP_POSITION = UDim2.new(-0.005, 0, 0.773, 0)
local HANDLE_DOWN_POSITION = UDim2.new(-0.005, 0, 0.97, 0)

local _cachedItemTable = {}

function _moveTabSelector(t: TextButton)
	print(t.AbsoluteSize)
	Selector.Size = UDim2.fromOffset(t.AbsoluteSize.X, t.AbsoluteSize.Y)
	Selector.Position = UDim2.fromOffset(t.AbsolutePosition.X, t.AbsolutePosition.Y)
end

function _cleanUpItems()
	for _, v in pairs(ScrollingFrame:GetChildren()) do
		if v:IsA("ImageButton") then
			v:Destroy()
		end
	end
	table.clear(_cachedItemTable)
end

function _newTemplate(model: Model)
	local new = ITEM_TEMPLATE:Clone()
	model.Parent = new.Viewport
	new.Viewport.CurrentCamera = Instance.new("Camera", new.Viewport)
	new.Viewport.CurrentCamera.CFrame = CFrame.new(Vector3.new(0, 2, 12), model:GetPivot().Position)
	new.Parent = ScrollingFrame

	table.insert(_cachedItemTable, new)
	new.Name = #_cachedItemTable
	new:SetAttribute("ItemName", model.Name)
	return new
end

function GarageUIHandler.SetItems(items, currentTab)
	_cleanUpItems()

	for _, itemModel in items do
		local ui = _newTemplate(itemModel)

		ui.Activated:Connect(function()
			GarageUIHandler.Events.OnItemClicked:Fire(itemModel)
		end)
	end

	GarageUIHandler.UpdateItemsState(currentTab)
end

function _GetAllItems()
	return _cachedItemTable
end

function _BrightenItem(item: typeof(ITEM_TEMPLATE))
	item.BackgroundTransparency = 0
end

function _ShadowItem(item: typeof(ITEM_TEMPLATE))
	item.BackgroundTransparency = 0.5
end

function _PullHandleUp(anim: boolean?)
	if anim then
		Drawer:TweenPosition(HANDLE_UP_POSITION, Enum.EasingDirection.In, Enum.EasingStyle.Linear, 0.3)
	else
		Drawer.Position = HANDLE_UP_POSITION
	end
end

function _PullHandleDown(anim: boolean?)
	if anim then
		Drawer:TweenPosition(HANDLE_DOWN_POSITION, Enum.EasingDirection.In, Enum.EasingStyle.Linear, 0.3)
	else
		Drawer.Position = HANDLE_DOWN_POSITION
	end
end

function _TransitionBlack(hide: boolean?)
	if hide then
		for i = 0, 100, 5 do
			local v = i / 100
			WorldOverlay.BackgroundTransparency = v
			task.wait(0.03)
		end
	else
		for i = 100, 0, -5 do
			local v = i / 100
			WorldOverlay.BackgroundTransparency = v
			task.wait(0.03)
		end
	end
end

function _ToggleVisibility(value: boolean?)
	value = value or false
	StatusHUD.Visible = value
	Drawer.Controls.Visible = value
	GarageGui.AbilityHUD.Visible = value
	StatusHUD.Visible = value
	TopCenter.Visible = value
end

function GarageUIHandler.Hide(anim: boolean?)
	_PullHandleDown(anim)
	if anim then
		_TransitionBlack(false)
	end
	_ToggleVisibility(false)
	if anim then
		_TransitionBlack(true)
	end
end

function GarageUIHandler.Show(anim: boolean?)
	_PullHandleUp(anim)
	if anim then
		_TransitionBlack(false)
	end
	_ToggleVisibility(true)
	if anim then
		_TransitionBlack(true)
	end
end

function GarageUIHandler.SetActiveTab(t: TextButton)
	_moveTabSelector(t)
end

function GarageUIHandler.UpdateItemsState(tabName)
	for _, item in pairs(_GetAllItems()) do
		local itemName = item:GetAttribute("ItemName")
		local can = true
		if tabName == "Tanks" then
			can = InventoryClient.HasTank(itemName)
		elseif tabName == "Skins" then
			can = InventoryClient.HasSkin(itemName)
		end

		if can then
			_BrightenItem(item)
		else
			_ShadowItem(item)
		end
	end
end

GarageUIHandler.Messages = {
	CANT_AFFORD = "Not Enough Money",
	CAN_AFFORD = "BUY",

	CAN_EQUIP = "EQUIP",
	ALREADY_EQUIPPED = "EQUIPPED",

	ERROR = "Something went wrong",
}

GarageUIHandler.Events = {
	OnTabClicked = Signal.new(),
	OnItemClicked = Signal.new(),
	OnBuyClicked = Signal.new(),
	OnEquipClicked = Signal.new(),
	OnNavigClicked = Signal.new(),
	OnHandleClicked = Signal.new(),
}

function GarageUIHandler:Init()
	for _, v in pairs(Tabs:GetChildren()) do
		if not v:IsA("TextButton") then
			continue
		end
		v.Activated:Connect(function()
			_moveTabSelector(v)
			GarageUIHandler.Events.OnTabClicked:Fire(v)
		end)
	end

	nav_Left.Activated:Connect(function()
		GarageUIHandler.Events.OnNavigClicked:Fire(-1)
	end)
	nav_Right.Activated:Connect(function()
		GarageUIHandler.Events.OnNavigClicked:Fire(1)
	end)
	EquipButton.Activated:Connect(function()
		GarageUIHandler.Events.OnEquipClicked:Fire(EquipButton)
	end)
	Handle.Activated:Connect(function()
		GarageUIHandler.Events.OnHandleClicked:Fire()
	end)
end

return GarageUIHandler