local Fluent = loadstring(game:HttpGet("https://github.com/dawid-scripts/Fluent/releases/latest/download/main.lua"))()
local Players = game:GetService("Players")
local RunService = game:GetService("RunService")

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

local isRunning = false
local currentTargetIndex = 1
local targetPlayers = {}
local connection
local lastTargetSwitch = 0
local TARGET_SWITCH_INTERVAL = 0.4
local UNDERGROUND_DEPTH = 6

local autoClickEnabled = false
local lastClickTime = 0
local CLICK_DELAY = 1
local VirtualUser = game:GetService("VirtualUser")

local DEFAULT_POSITION = Vector3.new(0, 12345, 0)

local Window = Fluent:CreateWindow({
    Title = "linhmc's auto farm|KAT X",
    SubTitle = "by linhmc_new",
    TabWidth = 160,
    Size = UDim2.fromOffset(580, 460),
    Acrylic = true,
    Theme = "Dark",
    MinimizeKey = Enum.KeyCode.LeftControl
})

local Tabs = {
    Main = Window:AddTab({ Title = "Main", Icon = "sword" }),
    Settings = Window:AddTab({ Title = "Settings", Icon = "settings" })
}

local function hasForceField(targetPlayer)
    if not targetPlayer or not targetPlayer.Character then
        return true
    end
    local forceField = targetPlayer.Character:FindFirstChildOfClass("ForceField")
    return forceField ~= nil
end

local function equipKnife()
    local backpack = player:FindFirstChild("Backpack")
    if not backpack then return false end
    
    local knife = backpack:FindFirstChild("Knife")
    if knife then
        humanoid:EquipTool(knife)
        return true
    end
    
    for _, obj in pairs(workspace:GetDescendants()) do
        if obj.Name == "Knife" and obj:IsA("Tool") and not obj.Parent:IsA("Player") then
            if obj:FindFirstChild("Handle") then
                rootPart.CFrame = obj.Handle.CFrame
                wait(0.1)
                obj.Parent = backpack
                humanoid:EquipTool(obj)
                return true
            end
        end
    end
    
    return false
end

local function hasKnifeEquipped()
    local tool = character:FindFirstChildOfClass("Tool")
    return tool and tool.Name == "Knife"
end

local function autoClick()
    if not autoClickEnabled then return end
    
    local currentTime = tick()
    if currentTime - lastClickTime >= CLICK_DELAY then
        VirtualUser:ClickButton1(Vector2.new(0, 0))
        lastClickTime = currentTime
    end
end

local function updateTargetPlayers()
    targetPlayers = {}
    for _, targetPlayer in pairs(Players:GetPlayers()) do
        if targetPlayer ~= player and 
           targetPlayer.Character and 
           targetPlayer.Character:FindFirstChild("HumanoidRootPart") and
           not hasForceField(targetPlayer) then
            table.insert(targetPlayers, targetPlayer)
        end
    end
end

local function getCurrentTarget()
    updateTargetPlayers()
    
    if #targetPlayers == 0 then
        return nil
    end
    
    if currentTargetIndex > #targetPlayers then
        currentTargetIndex = 1
    end
    
    return targetPlayers[currentTargetIndex]
end

local function moveToDefaultPosition()
    local lyingCFrame = CFrame.new(DEFAULT_POSITION) * CFrame.Angles(math.rad(90), 0, 0)
    rootPart.CFrame = lyingCFrame
end

local function followTargetLyingDown()
    local target = getCurrentTarget()
    
    if not target or not target.Character or not target.Character:FindFirstChild("HumanoidRootPart") then
        moveToDefaultPosition()
        return
    end
    
    if hasForceField(target) then
        currentTargetIndex = currentTargetIndex + 1
        moveToDefaultPosition()
        return
    end
    
    local targetRoot = target.Character.HumanoidRootPart
    local targetPos = targetRoot.Position
    
    local myPosition = Vector3.new(
        targetPos.X,
        targetPos.Y - UNDERGROUND_DEPTH,
        targetPos.Z
    )
    
    local lyingCFrame = CFrame.new(myPosition) * CFrame.Angles(math.rad(90), 0, 0)
    rootPart.CFrame = lyingCFrame
end

local function disableMovement()
    if humanoid then
        humanoid.PlatformStand = true
        humanoid.WalkSpeed = 0
        humanoid.JumpPower = 0
    end
end

local function switchTarget()
    local currentTime = tick()
    
    if currentTime - lastTargetSwitch >= TARGET_SWITCH_INTERVAL then
        currentTargetIndex = currentTargetIndex + 1
        if currentTargetIndex > #targetPlayers then
            currentTargetIndex = 1
            updateTargetPlayers()
        end
        lastTargetSwitch = currentTime
    end
end

local function mainLoop()
    if not hasKnifeEquipped() then
        equipKnife()
    end
    
    disableMovement()
    switchTarget()
    followTargetLyingDown()
    autoClick()
end

local function toggleScript()
    if isRunning then
        isRunning = false
        if connection then
            connection:Disconnect()
            connection = nil
        end
        
        if humanoid then
            humanoid.PlatformStand = false
            humanoid.WalkSpeed = 16
            humanoid.JumpPower = 50
        end
        
        local currentPos = rootPart.Position
        rootPart.CFrame = CFrame.new(currentPos.X, currentPos.Y + UNDERGROUND_DEPTH + 10, currentPos.Z)
    else
        isRunning = true
        currentTargetIndex = 1
        lastTargetSwitch = 0
        lastClickTime = 0
        updateTargetPlayers()
        
        connection = RunService.Heartbeat:Connect(function()
            if isRunning then
                mainLoop()
            end
        end)
    end
end

player.CharacterAdded:Connect(function(newCharacter)
    character = newCharacter
    humanoid = character:WaitForChild("Humanoid")
    rootPart = character:WaitForChild("HumanoidRootPart")
end)

local MainToggle = Tabs.Main:AddToggle("MainToggle", {
    Title = "Auto Farm",
    Default = false,
    Callback = function(Value)
        if Value ~= isRunning then
            toggleScript()
        end
    end
})

local AutoClickToggle = Tabs.Main:AddToggle("AutoClickToggle", {
    Title = "Auto Click (recommend for auto farm)",
    Default = false,
    Callback = function(Value)
        autoClickEnabled = Value
    end
})

local NextTargetButton = Tabs.Main:AddButton({
    Title = "Next Target",
    Description = "Switch to next target",
    Callback = function()
        if isRunning then
            currentTargetIndex = currentTargetIndex + 1
            lastTargetSwitch = tick()
        end
    end
})

local ResetButton = Tabs.Main:AddButton({
    Title = "Reset",
    Description = "Reset target list (for some bad executor)",
    Callback = function()
        if isRunning then
            currentTargetIndex = 1
            lastTargetSwitch = 0
            updateTargetPlayers()
        end
    end
})

local DefaultPosButton = Tabs.Main:AddButton({
    Title = "Go to Default Position",
    Description = "Move to (0, 12345, 0)",
    Callback = function()
        if isRunning then
            moveToDefaultPosition()
        end
    end
})

local DepthSlider = Tabs.Settings:AddSlider("DepthSlider", {
    Title = "Underground Depth",
    Description = "How deep under target",
    Default = 3,
    Min = 1,
    Max = 5,
    Rounding = 1,
    Callback = function(Value)
        UNDERGROUND_DEPTH = Value
    end
})

local ClickDelaySlider = Tabs.Settings:AddSlider("ClickDelaySlider", {
    Title = "Click Delay",
    Description = "Delay between clicks (seconds)",
    Default = 0.1,
    Min = 0.1,
    Max = 5,
    Rounding = 1,
    Callback = function(Value)
        CLICK_DELAY = Value
    end
})

local SwitchIntervalSlider = Tabs.Settings:AddSlider("SwitchIntervalSlider", {
    Title = "Target Switch Delay",
    Description = "Time between target switches",
    Default = 0.4,
    Min = 0.1,
    Max = 2,
    Rounding = 1,
    Callback = function(Value)
        TARGET_SWITCH_INTERVAL = Value
    end
})

Window:SelectTab(1)