local tool = script.Parent.Parent
local player = game:GetService("Players").LocalPlayer
local mouse = player:GetMouse()
local hole = tool:WaitForChild("Hole")
local handle = tool:WaitForChild("Handle")
local UIS = game:GetService("UserInputService")
local RS = game:GetService("RunService");
local TS = game:GetService("TweenService")
local mouseDown = false
local equipped = false
local reloading = false
local oldIcon = mouse.Icon
local sprinting = false
local relDeb = false
local flash = hole.FlashGui
local lastShot = tick()

local animations = tool:WaitForChild("Animations")
local configs = tool:WaitForChild("Configs")
local remotes = tool:WaitForChild("Remotes")

local holdAnim = animations:WaitForChild("Hold")
local sprintAnim = animations:WaitForChild("Sprint")
local reloadAnim = animations:WaitForChild("Reload")

local holdTrack
local sprintTrack
local reloadTrack

local allowTracing = configs:WaitForChild("AllowTracing")
local range = configs:WaitForChild("Range")

local configs = tool:WaitForChild("Configs")
local remotes = tool:WaitForChild("Remotes")

local ammo = configs:WaitForChild("Ammo")
local reserveAmmo = configs:WaitForChild("ReserveAmmo")
local magSize = configs:WaitForChild("MagSize")
local damage = configs:WaitForChild("Damage")
local fireRate = configs:WaitForChild("FireRate")
local range = configs:WaitForChild("Range")
local reloadTime = configs:WaitForChild("ReloadTime")

local canShootRemote = remotes:WaitForChild("CanShoot")
local canReloadRemote = remotes:WaitForChild("CanReload")
local reloadRemote = remotes:WaitForChild("Reload")
local hitRemote = remotes:WaitForChild("Hit")
local shootRemote = remotes:WaitForChild("Shoot")
local traceRemote = remotes:WaitForChild("Trace")
local andagain = remotes:WaitForChild("andbackagain")

local emptySound = handle:WaitForChild("EmptySound")
local reloadSound = handle:WaitForChild("ReloadSound")
local shootSound = handle:WaitForChild("ShootSound")

local function equip()
    equipped = true

    local oldIcon = mouse.Icon
    mouse.Icon = "rbxassetid://4247417907"

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

    if humanoid then
        pcall(function()
            holdTrack = humanoid:LoadAnimation(holdAnim)
            holdTrack:Play()
        end)
        pcall(function()
            sprintTrack = humanoid:LoadAnimation(sprintAnim)
        end)
    end
end

local function canReload(plr)
    if ammo.Value < magSize.Value then
        if reserveAmmo.Value > 0 then
            if not reloading then
                if equipped then
                    return true
                end
            end
        end
    end

    return false
end

local function sprint(actionName, inputState, inputObj)
    if equipped == false then return false end

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

    sprintTrack:Play()
    holdTrack:Stop()
    humanoid.WalkSpeed = 30
    sprinting = true
end

local function stopSprinting()
    if equipped == false then return false end

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

    sprintTrack:Stop()
    holdTrack:Play()
    humanoid.WalkSpeed = 16
    sprinting = false
end

local function canShoot(plr, playSound)
    local character = player.Character or player.CharacterAdded:Wait()
    local humanoid = character:WaitForChild("Humanoid")

    if math.abs(lastShot - tick()) > (60/fireRate.Value) then
        if not reloading then
            if equipped then
                if ammo.Value > 0 then
                    if sprinting == false then
                        if humanoid.Health > 0 then
                            return true
                        else
                            if playSound then emptySound.Playing = true end
                        end
                    end
                end
            end
        end
    end

    return false
end

local function unequip()
    wait(.1)
    equipped = false
    local character = player.Character or player.CharacterAdded:Wait()
    local humanoid = character:WaitForChild("Humanoid")

    sprinting = false
    humanoid.WalkSpeed = 16

    mouse.Icon = oldIcon

    if holdTrack then
        holdTrack:Stop()
    end
    if sprintTrack then
        sprintTrack:Stop()
    end
end

local function reload(plr)
    if not canReload() then return end

    reloading = true
    reloadSound:Play()

    ammo.Value = "REL"

    if reserveAmmo.Value < 0 then
        ammo.Value = ammo.Value + reserveAmmo.Value
        reserveAmmo.Value = 0
    end

    wait(reloadTime.Value + .1)
    local needed = magSize.Value - ammo.Value
    reserveAmmo.Value = reserveAmmo.Value - needed
    ammo.Value = magSize.Value
    reloading = false
end

local function shoot()
    local character = player.Character or player.CharacterAdded:Wait()
    local humanoid = character:WaitForChild("Humanoid")

    if humanoid.Health >= 0 then
        if not canShoot(player, true) then return end

        lastShot = tick()
        ammo.Value = ammo.Value - 1
    end
end

local function fire()
    if wait() then
        if not canShoot(player, false) then return end

        local ray = Ray.new(hole.CFrame.p, (mouse.hit.p - hole.CFrame.p).unit * range.Value)
        local touch, position = workspace:FindPartOnRay(ray, player.Character, false, true)

        if touch then
            hitRemote:FireServer(touch)
        end
        shoot()
        traceRemote:FireServer(position)
        local character = player.Character or player.CharacterAdded:Wait()
        local humanoid = character:WaitForChild("Humanoid")

        local Origin = hole.CFrame.p
        local trace1 = Instance.new("Part")
        trace1.CanCollide = false
        trace1.BrickColor = BrickColor.new("Cyan")
        trace1.Material = Enum.Material.Neon
        trace1.CFrame = CFrame.new(hole.CFrame.p, position)

        local distance1 = (hole.CFrame.p - position).magnitude
        local speed = 125
        local TIME = (hole.CFrame.p - mouse.Hit.p).Magnitude / speed
        local tweenI = TweenInfo.new(TIME, Enum.EasingStyle.Linear)
        local tweenT = {Position = mouse.Hit.p}
        local tweenC = TS:Create(trace1, tweenI, tweenT)
        trace1.Size = Vector3.new(.2, .2, 2.5)
        trace1.Parent = workspace
        tweenC:Play()

        tweenC.Completed:Connect(function()
            trace1:Destroy()
        end)
        game:GetService("Debris"):AddItem(trace1,30)
    end
end

mouse.Move:Connect(function()
    if not equipped then return end
    if mouse.Target then
        if game.Players:GetPlayerFromCharacter(mouse.Target.Parent) then
            mouse.Icon = "rbxassetid://4248522206"
        elseif game.Players:GetPlayerFromCharacter(mouse.Target.Parent.Parent) then
            mouse.Icon = "rbxassetid://4248522206"
        else
            mouse.Icon = "rbxassetid://4247417907"
        end
    end
end)

tool.Equipped:Connect(function()
    equip()

    mouse.Button1Up:Connect(function()
        mouseDown = false
    end)

    tool.Activated:Connect(function()
        mouseDown = true
        repeat
            fire()
        until not mouseDown
    end)
end)

tool.Unequipped:Connect(unequip)

wait(.1)

UIS.InputBegan:Connect(function(inp)
    local keyCode = inp.KeyCode

    if keyCode == Enum.KeyCode.R then
        reload()
    end

    if keyCode == Enum.KeyCode.LeftShift then
        sprint()
    end
end)

UIS.InputEnded:Connect(function(inp)
    local keyCode = inp.KeyCode

    if keyCode == Enum.KeyCode.LeftShift then
        stopSprinting()
    end
end)