local Tool = script.Parent
local Handle = Tool:WaitForChild("Handle")

local Players = game:GetService("Players")
local Debris = game:GetService("Debris")

local Player
local Character
local Humanoid
local Torso
local ToolEquipped = false

local Damage = 10
local AttackCount = 1
local LastAttackTime = 0
local ComboCooldown = 1
local AttackCooldown = 0.5

local Hit1Anim
local Hit2Anim
local Hit3Anim
local Hit4Anim

local Slash1 = Handle:WaitForChild("Slash1")
local Slash2 = Handle:WaitForChild("Slash2")
local Slash3 = Handle:WaitForChild("Slash3")
local Slash4 = Handle:WaitForChild("Slash4")
local Unsheath = Handle:WaitForChild("Unsheath")

function CheckIfAlive()
	return Player and Character and Humanoid and Torso and Humanoid.Health > 0
end

function TagHumanoid(humanoid)
	local tag = Instance.new("ObjectValue")
	tag.Name = "creator"
	tag.Value = Player
	Debris:AddItem(tag, 2)
	tag.Parent = humanoid
end

function Blow(hit)
	if not hit or not hit.Parent or not CheckIfAlive() or not ToolEquipped then return end
	local humanoid = hit.Parent:FindFirstChildOfClass("Humanoid")
	if humanoid and humanoid.Health > 0 and hit.Parent ~= Character then
		TagHumanoid(humanoid)
		humanoid:TakeDamage(Damage)
	end
end

local Connection = Handle.Touched:Connect(Blow)

function LoadAnimations()
	if Humanoid then
		local anim1 = Handle:FindFirstChild("hit1")
		local anim2 = Handle:FindFirstChild("hit2")
		local anim3 = Handle:FindFirstChild("hit3")
		local anim4 = Handle:FindFirstChild("hit4")

		if anim1 then Hit1Anim = Humanoid:LoadAnimation(anim1) end
		if anim2 then Hit2Anim = Humanoid:LoadAnimation(anim2) end
		if anim3 then Hit3Anim = Humanoid:LoadAnimation(anim3) end
		if anim4 then Hit4Anim = Humanoid:LoadAnimation(anim4) end
	end
end

function PlayAttackAnimationAndSound()
	if AttackCount == 1 then
		if Hit1Anim then Hit1Anim:Stop(); Hit1Anim:Play() end
		Slash1:Play()
	elseif AttackCount == 2 then
		if Hit2Anim then Hit2Anim:Stop(); Hit2Anim:Play() end
		Slash2:Play()
	elseif AttackCount == 3 then
		if Hit3Anim then Hit3Anim:Stop(); Hit3Anim:Play() end
		Slash3:Play()
	elseif AttackCount == 4 then
		if Hit4Anim then Hit4Anim:Stop(); Hit4Anim:Play() end
		Slash4:Play()
	end
end

function Activated()
	if not Tool.Enabled or not ToolEquipped or not CheckIfAlive() then return end

	local currentTime = tick()

	local requiredCooldown = (AttackCount > 4) and ComboCooldown or AttackCooldown

	if currentTime - LastAttackTime < requiredCooldown then
		return
	end

	LastAttackTime = currentTime

	if AttackCount > 4 then
		AttackCount = 1
	end

	PlayAttackAnimationAndSound()

	AttackCount = AttackCount + 1
end

function Equipped()
	Character = Tool.Parent
	Player = Players:GetPlayerFromCharacter(Character)
	Humanoid = Character:FindFirstChildOfClass("Humanoid")
	Torso = Character:FindFirstChild("Torso") or Character:FindFirstChild("HumanoidRootPart")

	if not CheckIfAlive() then return end
	ToolEquipped = true
	LoadAnimations()
	Unsheath:Play()
end

function Unequipped()
	ToolEquipped = false
	AttackCount = 1
end

Tool.Activated:Connect(Activated)
Tool.Equipped:Connect(Equipped)
Tool.Unequipped:Connect(Unequipped)