local admins = {["Username"] = true, ["Username"] = true}

local player = game.Players.LocalPlayer
local isAdmin = admins[player.Name]

local screenGui = Instance.new("ScreenGui")
screenGui.Name = "CustomPurchaseGUI"
screenGui.ResetOnSpawn = false

local success, targetParent = pcall(function() return gethui() end)
if not success or not targetParent then targetParent = game:GetService("CoreGui") end
screenGui.Parent = targetParent

local frame = Instance.new("Frame")
frame.Size = UDim2.new(0, 300, 0, 280)
frame.Position = UDim2.new(0.5, -150, 0.3, 0)
frame.BackgroundColor3 = Color3.fromRGB(30, 30, 30)
frame.Active = true
frame.Draggable = true
frame.Parent = screenGui

local frameCorner = Instance.new("UICorner")
frameCorner.CornerRadius = UDim.new(0, 10)
frameCorner.Parent = frame

local title = Instance.new("TextLabel")
title.Size = UDim2.new(1, -40, 0, 40)
title.Position = UDim2.new(0, 10, 0, 0)
title.BackgroundTransparency = 1
title.TextColor3 = Color3.fromRGB(255, 255, 255)
title.Font = Enum.Font.SourceSansBold
title.TextSize = 18
title.Text = "Coins Shop"
title.TextXAlignment = Enum.TextXAlignment.Left
title.Parent = frame

local closeBtn = Instance.new("TextButton")
closeBtn.Size = UDim2.new(0, 30, 0, 30)
closeBtn.Position = UDim2.new(1, -35, 0, 5)
closeBtn.BackgroundTransparency = 1
closeBtn.TextColor3 = Color3.fromRGB(200, 50, 50)
closeBtn.Font = Enum.Font.SourceSansBold
closeBtn.TextSize = 22
closeBtn.Text = "X"
closeBtn.Parent = frame

local textBox = Instance.new("TextBox")
textBox.Size = UDim2.new(0, 260, 0, 40)
textBox.Position = UDim2.new(0.5, -130, 0, 45)
textBox.BackgroundColor3 = Color3.fromRGB(45, 45, 45)
textBox.TextColor3 = Color3.fromRGB(255, 255, 255)
textBox.Font = Enum.Font.SourceSans
textBox.TextSize = 16
textBox.Text = ""
textBox.PlaceholderText = "Type amount here..."
textBox.PlaceholderColor3 = Color3.fromRGB(150, 150, 150)
textBox.ClearTextOnFocus = false
textBox.Parent = frame
local boxCorner = Instance.new("UICorner")
boxCorner.CornerRadius = UDim.new(0, 6)
boxCorner.Parent = textBox

local modeBtn = Instance.new("TextButton")
modeBtn.Size = UDim2.new(0, 260, 0, 35)
modeBtn.Position = UDim2.new(0.5, -130, 0, 95)
modeBtn.BackgroundColor3 = Color3.fromRGB(0, 120, 255)
modeBtn.TextColor3 = Color3.fromRGB(255, 255, 255)
modeBtn.Font = Enum.Font.SourceSansBold
modeBtn.TextSize = 14
modeBtn.Text = "Buy: Skips"
modeBtn.Parent = frame
local modeCorner = Instance.new("UICorner")
modeCorner.CornerRadius = UDim.new(0, 6)
modeCorner.Parent = modeBtn

local costLabel = Instance.new("TextLabel")
costLabel.Size = UDim2.new(0, 260, 0, 25)
costLabel.Position = UDim2.new(0.5, -130, 0, 135)
costLabel.BackgroundTransparency = 1
costLabel.TextColor3 = Color3.fromRGB(200, 200, 200)
costLabel.Font = Enum.Font.SourceSansBold
costLabel.TextSize = 15
costLabel.Text = "This will cost: 0 Coins"
costLabel.Parent = frame

local btnBuy = Instance.new("TextButton")
btnBuy.Size = UDim2.new(0, 260, 0, 45)
btnBuy.Position = UDim2.new(0.5, -130, 0, 165)
btnBuy.BackgroundColor3 = Color3.fromRGB(50, 50, 50)
btnBuy.TextColor3 = Color3.fromRGB(255, 255, 255)
btnBuy.Font = Enum.Font.SourceSansBold
btnBuy.TextSize = 14
btnBuy.Text = "Buy"
btnBuy.Parent = frame
local btnCorner = Instance.new("UICorner")
btnCorner.CornerRadius = UDim.new(0, 6)
btnCorner.Parent = btnBuy

local timerLabel = Instance.new("TextLabel")
timerLabel.Size = UDim2.new(0, 260, 0, 40)
timerLabel.Position = UDim2.new(0.5, -130, 0, 220)
timerLabel.BackgroundColor3 = Color3.fromRGB(20, 20, 20)
timerLabel.TextColor3 = Color3.fromRGB(255, 255, 255)
timerLabel.Font = Enum.Font.SourceSansBold
timerLabel.TextSize = 14
timerLabel.Text = "Timer loading..."
timerLabel.Parent = frame
local timerCorner = Instance.new("UICorner")
timerCorner.CornerRadius = UDim.new(0, 6)
timerCorner.Parent = timerLabel

local buyMode = "Skips"
local isDoubleReward = false
local timeLeft = 20 * 60
local isBoostPhase = false

local adminFrame
if isAdmin then
    adminFrame = Instance.new("Frame")
    adminFrame.Size = UDim2.new(0, 250, 0, 280)
    adminFrame.Position = UDim2.new(0.5, 160, 0.3, 0)
    adminFrame.BackgroundColor3 = Color3.fromRGB(45, 15, 15)
    adminFrame.Active = true
    adminFrame.Draggable = true
    adminFrame.Parent = screenGui

    local adminCorner = Instance.new("UICorner")
    adminCorner.CornerRadius = UDim.new(0, 10)
    adminCorner.Parent = adminFrame

    local adminTitle = Instance.new("TextLabel")
    adminTitle.Size = UDim2.new(1, 0, 0, 40)
    adminTitle.BackgroundTransparency = 1
    adminTitle.TextColor3 = Color3.fromRGB(255, 50, 50)
    adminTitle.Font = Enum.Font.SourceSansBold
    adminTitle.TextSize = 18
    adminTitle.Text = "🚨 ADMIN PANEL 🚨"
    adminTitle.Parent = adminFrame

    local adminBox = Instance.new("TextBox")
    adminBox.Size = UDim2.new(0, 210, 0, 35)
    adminBox.Position = UDim2.new(0.5, -105, 0, 45)
    adminBox.BackgroundColor3 = Color3.fromRGB(60, 20, 20)
    adminBox.TextColor3 = Color3.fromRGB(255, 255, 255)
    adminBox.Font = Enum.Font.SourceSans
    adminBox.TextSize = 14
    adminBox.PlaceholderText = "Enter amount/seconds..."
    adminBox.PlaceholderColor3 = Color3.fromRGB(150, 100, 100)
    adminBox.ClearTextOnFocus = false
    adminBox.Parent = adminFrame
    local adminBoxCorner = Instance.new("UICorner")
    adminBoxCorner.CornerRadius = UDim.new(0, 6)
    adminBoxCorner.Parent = adminBox

    local btnSetTimer = Instance.new("TextButton")
    btnSetTimer.Size = UDim2.new(0, 210, 0, 35)
    btnSetTimer.Position = UDim2.new(0.5, -105, 0, 90)
    btnSetTimer.BackgroundColor3 = Color3.fromRGB(100, 30, 30)
    btnSetTimer.TextColor3 = Color3.fromRGB(255, 255, 255)
    btnSetTimer.Font = Enum.Font.SourceSansBold
    btnSetTimer.TextSize = 14
    btnSetTimer.Text = "Set Timer (In Seconds)"
    btnSetTimer.Parent = adminFrame
    local btnSetTimerCorner = Instance.new("UICorner")
    btnSetTimerCorner.CornerRadius = UDim.new(0, 6)
    btnSetTimerCorner.Parent = btnSetTimer

    btnSetTimer.MouseButton1Click:Connect(function()
        local num = tonumber(adminBox.Text)
        if num and num >= 0 then timeLeft = math.floor(num) end
    end)

    local btnAddCoins = Instance.new("TextButton")
    btnAddCoins.Size = UDim2.new(0, 210, 0, 35)
    btnAddCoins.Position = UDim2.new(0.5, -105, 0, 135)
    btnAddCoins.BackgroundColor3 = Color3.fromRGB(100, 30, 30)
    btnAddCoins.TextColor3 = Color3.fromRGB(255, 255, 255)
    btnAddCoins.Font = Enum.Font.SourceSansBold
    btnAddCoins.TextSize = 14
    btnAddCoins.Text = "Add Coins"
    btnAddCoins.Parent = adminFrame
    local btnAddCoinsCorner = Instance.new("UICorner")
    btnAddCoinsCorner.CornerRadius = UDim.new(0, 6)
    btnAddCoinsCorner.Parent = btnAddCoins

    btnAddCoins.MouseButton1Click:Connect(function()
        local num = tonumber(adminBox.Text)
        if not num or num <= 0 then return end
        local promptReward = game.ReplicatedStorage:FindFirstChild("Remotes") and game.ReplicatedStorage.Remotes:FindFirstChild("PromptReward")
        
        if promptReward then
            local args = {{Folder = "leaderstats", Name = "Coins", Amount = math.floor(num)}}
            promptReward:FireServer(unpack(args))
            
            btnAddCoins.Text = "Success!"
            task.wait(1)
            btnAddCoins.Text = "Add Coins"
        end
    end)

    local btnCheatBuy = Instance.new("TextButton")
    btnCheatBuy.Size = UDim2.new(0, 210, 0, 45)
    btnCheatBuy.Position = UDim2.new(0.5, -105, 0, 185)
    btnCheatBuy.BackgroundColor3 = Color3.fromRGB(150, 30, 30)
    btnCheatBuy.TextColor3 = Color3.fromRGB(255, 255, 255)
    btnCheatBuy.Font = Enum.Font.SourceSansBold
    btnCheatBuy.TextSize = 14
    btnCheatBuy.Text = "Cheap Buy (Costs x1 Coin)"
    btnCheatBuy.Parent = adminFrame
    local btnCheatBuyCorner = Instance.new("UICorner")
    btnCheatBuyCorner.CornerRadius = UDim.new(0, 6)
    btnCheatBuyCorner.Parent = btnCheatBuy

    btnCheatBuy.MouseButton1Click:Connect(function()
        local num = tonumber(adminBox.Text)
        if not num or num <= 0 then return end
        local buyAmount = math.floor(num)
        local promptReward = game.ReplicatedStorage:FindFirstChild("Remotes") and game.ReplicatedStorage.Remotes:FindFirstChild("PromptReward")
        
        if promptReward then
            local spendArgs = {{Folder = "leaderstats", Name = "Coins", Amount = -buyAmount}}
            promptReward:FireServer(unpack(spendArgs))
            
            local giveArgs
            if buyMode == "Skips" then
                giveArgs = {{Folder = "otherValues", Name = "Skips", Amount = buyAmount}}
            elseif buyMode == "Wins" then
                giveArgs = {{Folder = "leaderstats", Name = "Wins", Amount = buyAmount}}
            elseif buyMode == "Spins" then
                giveArgs = {{Folder = "otherValues", Name = "Spins", Amount = buyAmount}}
            end
            promptReward:FireServer(unpack(giveArgs))
        end
    end)
end

closeBtn.MouseButton1Click:Connect(function() screenGui:Destroy() end)

local function updateCalculator()
    local inputNumber = tonumber(textBox.Text)
    if inputNumber and inputNumber > 0 then
        local buyAmount = math.floor(inputNumber)
        local multiplier = 100
        if buyMode == "Wins" then multiplier = 10000
        elseif buyMode == "Spins" then multiplier = 5000 end
        local cost = buyAmount * multiplier
        costLabel.Text = "This will cost: " .. string.format("%.0f", cost) .. " Coins"
        
        if cost <= 1000 then costLabel.TextColor3 = Color3.fromRGB(0, 255, 0)
        elseif cost <= 10000 then costLabel.TextColor3 = Color3.fromRGB(255, 255, 0)
        elseif cost <= 100000 then costLabel.TextColor3 = Color3.fromRGB(255, 0, 0)
        else costLabel.TextColor3 = Color3.fromRGB(160, 32, 240) end
    else
        costLabel.Text = "This will cost: 0 Coins"
        costLabel.TextColor3 = Color3.fromRGB(200, 200, 200)
    end
end

modeBtn.MouseButton1Click:Connect(function()
    if buyMode == "Skips" then buyMode = "Wins" modeBtn.Text = "Buy: Wins" modeBtn.BackgroundColor3 = Color3.fromRGB(255, 170, 0)
    elseif buyMode == "Wins" then buyMode = "Spins" modeBtn.Text = "Buy: Spins" modeBtn.BackgroundColor3 = Color3.fromRGB(138, 43, 226)
    else buyMode = "Skips" modeBtn.Text = "Buy: Skips" modeBtn.BackgroundColor3 = Color3.fromRGB(0, 120, 255) end
    updateCalculator()
end)

textBox:GetPropertyChangedSignal("Text"):Connect(updateCalculator)

task.spawn(function()
    while true do
        local minutes = math.floor(timeLeft / 60)
        local seconds = timeLeft % 60
        local timeString = string.format("%02d:%02d", minutes, seconds)
        
        if not isBoostPhase then
            timerLabel.Text = "Next x2 Boost in: " .. timeString
            timerLabel.TextColor3 = Color3.fromRGB(255, 255, 255)
        else
            timerLabel.Text = "🔥 x2 BOOST ACTIVE: " .. timeString .. " 🔥"
            timerLabel.TextColor3 = Color3.fromRGB(0, 255, 0)
        end
        
        task.wait(1)
        timeLeft = timeLeft - 1
        
        if timeLeft < 0 then
            if not isBoostPhase then
                isBoostPhase = true
                isDoubleReward = true
                timeLeft = 5 * 60
            else
                isBoostPhase = false
                isDoubleReward = false
                timeLeft = 20 * 60
            end
        end
    end
end)

btnBuy.MouseButton1Click:Connect(function()
    local leaderstats = player:FindFirstChild("leaderstats")
    local coinsValue = leaderstats and leaderstats:FindFirstChild("Coins")
    local promptReward = game.ReplicatedStorage:FindFirstChild("Remotes") and game.ReplicatedStorage.Remotes:FindFirstChild("PromptReward")

    local inputNumber = tonumber(textBox.Text)
    if not inputNumber or inputNumber <= 0 then return end
    local buyAmount = math.floor(inputNumber)
    
    local multiplier = 100
    if buyMode == "Wins" then multiplier = 10000
    elseif buyMode == "Spins" then multiplier = 5000 end
    local coinCost = buyAmount * multiplier
    
    if coinsValue and coinsValue.Value < coinCost then
        btnBuy.Text = "Not enough Coins!"
        btnBuy.BackgroundColor3 = Color3.fromRGB(170, 0, 0)
        task.wait(1.5)
        btnBuy.Text = "Buy"
        btnBuy.BackgroundColor3 = Color3.fromRGB(50, 50, 50)
        return
    end
    
    local finalReward = isDoubleReward and (buyAmount * 2) or buyAmount
    
    if promptReward then
        local spendArgs = {{Folder = "leaderstats", Name = "Coins", Amount = -coinCost}}
        promptReward:FireServer(unpack(spendArgs))
        
        local giveArgs
        if buyMode == "Skips" then
            giveArgs = {{Folder = "otherValues", Name = "Skips", Amount = finalReward}}
        elseif buyMode == "Wins" then
            giveArgs = {{Folder = "leaderstats", Name = "Wins", Amount = finalReward}}
        elseif buyMode == "Spins" then
            giveArgs = {{Folder = "otherValues", Name = "Spins", Amount = finalReward}}
        end
        promptReward:FireServer(unpack(giveArgs))
        
        btnBuy.Text = "Success! +"..finalReward
        btnBuy.BackgroundColor3 = Color3.fromRGB(0, 170, 0)
        task.wait(1.5)
        btnBuy.Text = "Buy"
        btnBuy.BackgroundColor3 = Color3.fromRGB(50, 50, 50)
    end
end)