local Players = game:GetService("Players")
local UserInputService = game:GetService("UserInputService")
local RunService = game:GetService("RunService")
local Teams = game:GetService("Teams")
local VirtualInputManager = game:GetService("VirtualInputManager")

local LocalPlayer = Players.LocalPlayer
local Character = LocalPlayer.Character or LocalPlayer.CharacterAdded:Wait()
local Humanoid = Character:WaitForChild("Humanoid")
local HumanoidRootPart = Character:WaitForChild("HumanoidRootPart")

local targetPlayer = nil
local isEnabled = false
local teleportDistance = 3 -- Distance behind the target
local targetSelectionMode = "closest" -- "closest" or "random"
local lastAttackTime = 0
local attackCooldown = 0.2 -- Cooldown between attacks
local weaponEquipped = false
local maxTargetVelocity = 100 -- Maximum allowed target velocity magnitude
local lastTargetPosition = Vector3.new(0, 0, 0)
local lastPositionCheckTime = 0

local function isDifferentTeam(player)
    if not LocalPlayer.Team then
        return true
    end
    
    if player.Team and player.Team.TeamColor ~= LocalPlayer.Team.TeamColor then
        return true
    end
    
    return false
end

local function getValidTargets()
    local validTargets = {}
    
    for _, player in pairs(Players:GetPlayers()) do
        if player ~= LocalPlayer and 
           player.Character and 
           player.Character:FindFirstChild("HumanoidRootPart") and 
           player.Character:FindFirstChild("Humanoid") and 
           player.Character.Humanoid.Health > 0 and
           isDifferentTeam(player) then
            
            table.insert(validTargets, player)
        end
    end
    
    return validTargets
end

local function findClosestPlayer()
    local validTargets = getValidTargets()
    local closestPlayer = nil
    local shortestDistance = math.huge
    
    for _, player in ipairs(validTargets) do
        local distance = (player.Character.HumanoidRootPart.Position - HumanoidRootPart.Position).Magnitude
        if distance < shortestDistance then
            shortestDistance = distance
            closestPlayer = player
        end
    end
    
    return closestPlayer
end

local function findRandomPlayer()
    local validTargets = getValidTargets()
    
    if #validTargets > 0 then
        return validTargets[math.random(1, #validTargets)]
    end
    
    return nil
end

local function selectTarget()
    if targetSelectionMode == "closest" then
        return findClosestPlayer()
    else
        return findRandomPlayer()
    end
end

local function isWeaponEquipped()
    return Character:FindFirstChildOfClass("Tool") ~= nil
end

local function equipFirstWeaponSlot()
    if isWeaponEquipped() then
        weaponEquipped = true
        return
    end
    
    VirtualInputManager:SendKeyEvent(true, Enum.KeyCode.One, false, game)
    task.wait(0.05)
    VirtualInputManager:SendKeyEvent(false, Enum.KeyCode.One, false, game)
    weaponEquipped = true
end

local function performAttack()
    local currentTime = tick()
    if currentTime - lastAttackTime < attackCooldown then
        return
    end
    
    lastAttackTime = currentTime
    
    VirtualInputManager:SendMouseButtonEvent(0, 0, 0, true, game, 1)
    task.wait(0.05)
    VirtualInputManager:SendMouseButtonEvent(0, 0, 0, false, game, 1)
end

local function isTargetMovingTooFast()
    if not targetPlayer or not targetPlayer.Character or not targetPlayer.Character:FindFirstChild("HumanoidRootPart") then
        return false
    end
    
    local currentTime = tick()
    local targetHRP = targetPlayer.Character.HumanoidRootPart
    local currentPosition = targetHRP.Position
    
    if targetHRP.Velocity.Magnitude > maxTargetVelocity then
        return true
    end
    
    if currentTime - lastPositionCheckTime > 0.1 then
        local distance = (currentPosition - lastTargetPosition).Magnitude
        local timeElapsed = currentTime - lastPositionCheckTime
        local speed = distance / timeElapsed
        
        lastTargetPosition = currentPosition
        lastPositionCheckTime = currentTime
        
        if speed > maxTargetVelocity then
            return true
        end
    end
    
    return false
end

local function teleportBehindTarget()
    if not targetPlayer or not targetPlayer.Character or not targetPlayer.Character:FindFirstChild("HumanoidRootPart") or not targetPlayer.Character:FindFirstChild("Humanoid") or targetPlayer.Character.Humanoid.Health <= 0 then
        targetPlayer = selectTarget()
        if not targetPlayer then return end
        lastTargetPosition = targetPlayer.Character.HumanoidRootPart.Position
        lastPositionCheckTime = tick()
    end
    
    if isTargetMovingTooFast() then
        targetPlayer = selectTarget()
        if not targetPlayer then return end
        lastTargetPosition = targetPlayer.Character.HumanoidRootPart.Position
        lastPositionCheckTime = tick()
    end
    
    local targetHRP = targetPlayer.Character.HumanoidRootPart
    local targetCFrame = targetHRP.CFrame
    
    local behindPosition = targetCFrame.Position - (targetCFrame.LookVector * teleportDistance)
    
    local newCFrame = CFrame.new(behindPosition, targetCFrame.Position)
    
    if Character and HumanoidRootPart then
        HumanoidRootPart.CFrame = newCFrame
        
        if autoAttackEnabled then
            if not weaponEquipped then
                equipFirstWeaponSlot()
            end
            performAttack()
        end
    end
end

local function checkTargetStatus()
    if targetPlayer and targetPlayer.Character and targetPlayer.Character:FindFirstChild("Humanoid") then
        if targetPlayer.Character.Humanoid.Health <= 0 or not isDifferentTeam(targetPlayer) then
            targetPlayer = selectTarget()
            if targetPlayer then
                lastTargetPosition = targetPlayer.Character.HumanoidRootPart.Position
                lastPositionCheckTime = tick()
            end
        end
    else
        targetPlayer = selectTarget()
        if targetPlayer then
            lastTargetPosition = targetPlayer.Character.HumanoidRootPart.Position
            lastPositionCheckTime = tick()
        end
    end
end

UserInputService.InputBegan:Connect(function(input, gameProcessed)
    if not gameProcessed and input.KeyCode == Enum.KeyCode.LeftControl then
        isEnabled = not isEnabled
        
        if isEnabled then
            targetPlayer = selectTarget()
            if targetPlayer then
                lastTargetPosition = targetPlayer.Character.HumanoidRootPart.Position
                lastPositionCheckTime = tick()
            end
            
            if not weaponEquipped and autoAttackEnabled then
                equipFirstWeaponSlot()
            end
        else
            targetPlayer = nil
        end
    end
    
    if not gameProcessed and input.KeyCode == Enum.KeyCode.LeftAlt then
        if targetSelectionMode == "closest" then
            targetSelectionMode = "random"
        else
            targetSelectionMode = "closest"
        end
        
        if isEnabled then
            targetPlayer = selectTarget()
            if targetPlayer then
                lastTargetPosition = targetPlayer.Character.HumanoidRootPart.Position
                lastPositionCheckTime = tick()
            end
        end
    end
    
    if not gameProcessed and input.KeyCode == Enum.KeyCode.LeftShift then
        autoAttackEnabled = not autoAttackEnabled
        if autoAttackEnabled and isEnabled and not weaponEquipped then
            equipFirstWeaponSlot()
        end
    end
end)

RunService.Heartbeat:Connect(function()
    if isEnabled then
        checkTargetStatus()
        teleportBehindTarget()
    end
end)

LocalPlayer.CharacterAdded:Connect(function(newCharacter)
    Character = newCharacter
    Humanoid = Character:WaitForChild("Humanoid")
    HumanoidRootPart = Character:WaitForChild("HumanoidRootPart")
    weaponEquipped = false
end)

Character.ChildRemoved:Connect(function(child)
    if child:IsA("Tool") then
        weaponEquipped = false
    end
end)