local RunService = game:GetService("RunService")
local Players = game:GetService("Players")
local workspace = game:GetService("Workspace")

local LocalPlayer = Players.LocalPlayer
local PlayerGui = LocalPlayer:WaitForChild("PlayerGui")

local DEBUG = true

local HIT_SCALE_MIN = 1.12
local HIT_SCALE_MAX = 1.48

local firesignal = getgenv and getgenv().firesignal or (type(firesignal) == "function" and firesignal)
local mousemoveabs = getgenv and getgenv().mousemoveabs or (type(mousemoveabs) == "function" and mousemoveabs)
local mouse1click = getgenv and getgenv().mouse1click or (type(mouse1click) == "function" and mouse1click)

local function log(...) if DEBUG then print("[Autoplay]", ...) end end

local function findNotesFolderIn(container)
    if not container then return nil end
    for _, gui in ipairs(container:GetDescendants()) do
        if gui:IsA("Folder") and gui.Name == "Folder" then
            local parent = gui.Parent
            if parent and parent:FindFirstChild("MissBar") and parent:FindFirstChild("Frame") then
                return gui
            end
        end
    end
    for _, gui in ipairs(container:GetDescendants()) do
        if gui:IsA("Folder") then
            for _, child in ipairs(gui:GetChildren()) do
                local img = child:FindFirstChild("ImageLabel")
                if img and img:IsA("GuiObject") and img.Size.X.Scale >= 1 and img.Size.X.Scale <= 3.5 then
                    return gui
                end
            end
        end
    end
    return nil
end

local function findNotesFolder()
    local folder = findNotesFolderIn(PlayerGui)
    if folder then return folder end
    return nil
end

local function getScreenCenter(guiObj)
    local pos = guiObj.AbsolutePosition
    local size = guiObj.AbsoluteSize
    return Vector2.new(pos.X + size.X / 2, pos.Y + size.Y / 2)
end

local function triggerNote(note)
    if firesignal and note.Activated then
        pcall(firesignal, note.Activated)
        return true
    end
    local center = getScreenCenter(note)
    if mousemoveabs and mouse1click then
        pcall(mousemoveabs, center.X, center.Y)
        pcall(mouse1click)
        return true
    end
    local vim_ok, vim_svc = pcall(function() return game:GetService("VirtualInputManager") end)
    if vim_ok and vim_svc then
        pcall(function()
            vim_svc:SendMouseButtonEvent(center.X, center.Y, 0, true)
            task.wait()
            vim_svc:SendMouseButtonEvent(center.X, center.Y, 0, false)
        end)
        return true
    end
    return false
end

local clickedNotes = {}

local function cleanupClicked()
    for note, _ in pairs(clickedNotes) do
        if not note.Parent or not note.Parent.Parent then
            clickedNotes[note] = nil
        end
    end
end

local function isGameActive()
    local ddr = workspace:FindFirstChild("DDR")
    if ddr and ddr:IsA("BoolValue") then return ddr.Value end
    return false
end

local connection
local lastLogTime = 0
local folderNotFoundWarned = false

local function startAutoplay()
    if connection then connection:Disconnect(); connection = nil end

    connection = RunService.Heartbeat:Connect(function()
        local folder = findNotesFolder()
        local ddr = workspace:FindFirstChild("DDR")
        if ddr and ddr:IsA("BoolValue") and not ddr.Value then
            cleanupClicked()
            folderNotFoundWarned = false
            return
        end

        if not folder then
            if DEBUG and not folderNotFoundWarned and tick() - lastLogTime > 2 then
                folderNotFoundWarned = true
                lastLogTime = tick()
                log("Game active but notes Folder not found. Is the DDR minigame visible?")
            end
            return
        end
        folderNotFoundWarned = false
        cleanupClicked()

        local notes = folder:GetChildren()
        for _, note in ipairs(notes) do
            if not clickedNotes[note] then
                local img = note:FindFirstChild("ImageLabel")
                if img and img:IsA("GuiObject") then
                    local scale = img.Size.X.Scale
                    if scale >= HIT_SCALE_MIN and scale <= HIT_SCALE_MAX then
                        clickedNotes[note] = true
                        if triggerNote(note) and DEBUG then
                            log("Hit note, scale:", string.format("%.2f", scale))
                        end
                        break
                    end
                end
            end
        end
    end)
end

local function watchGameState()
    local ddr = workspace:FindFirstChild("DDR")
    if not ddr or not ddr:IsA("BoolValue") then
        log("workspace.DDR not found. Running anyway; will act when Folder with notes appears.")
        startAutoplay()
        return
    end

    startAutoplay()
    ddr.Changed:Connect(function()
        if ddr.Value then
            table.clear(clickedNotes)
            if not connection then startAutoplay() end
            log("DDR started — autoplay active.")
        else
            if connection then connection:Disconnect(); connection = nil end
            table.clear(clickedNotes)
            log("DDR ended — autoplay stopped.")
        end
    end)
end

if firesignal then log("Using exploit firesignal for hits.") end
if not firesignal and (mousemoveabs and mouse1click) then log("Using exploit mouse input for hits.") end
if not firesignal and not (mousemoveabs and mouse1click) then log("Exploit input not found; trying VirtualInputManager.") end

if isGameActive() then table.clear(clickedNotes); startAutoplay() end
watchGameState()
print("Osu autoplay loaded. Start a DDR round to autoplay. Set DEBUG = false to hide logs.")