-- Variables
local doubleJumpManager = {Connections = {}}
local coreModule = require(script:FindFirstAncestor("CoreModule"))
local config = require(script.Config)

-- Initialize
function doubleJumpManager:Initialize(character, humanoid)
    local currentNumberOfDoubleJumps = 0
    local maxNumberOfDoubleJumps = 10

    -- JumpRequest (but actually InputBegan because JumpRequest doesn't work good)
    doubleJumpManager.Connections.JumpRequest = coreModule.Services.UserInputService.InputBegan:Connect(function(input, isGameProcessedEvent)
        if input.KeyCode ~= Enum.KeyCode.Space or isGameProcessedEvent then return end
        if humanoid:GetState() ~= Enum.HumanoidStateType.Freefall then return end
        if currentNumberOfDoubleJumps == maxNumberOfDoubleJumps then return end

        -- Jump time
        humanoid.JumpPower = config.DefaultJumpPower*config.DoubleJumpBoostMultiplier
        humanoid:ChangeState(Enum.HumanoidStateType.Jumping)
        currentNumberOfDoubleJumps = currentNumberOfDoubleJumps + 1
    end)

    -- StateChanged
    doubleJumpManager.Connections.StateChanged = humanoid.StateChanged:Connect(function(oldHumanoidState, newHumanoidState)
        if newHumanoidState == Enum.HumanoidStateType.Landed then
            humanoid.JumpPower = config.DefaultJumpPower
            currentNumberOfDoubleJumps = 0

        -- Falling to your death by physics prevention
        elseif newHumanoidState == Enum.HumanoidStateType.Freefall then
            while humanoid:GetState() == Enum.HumanoidStateType.Freefall do
                local primaryPart = character.PrimaryPart

                -- You're in danger
                if primaryPart and primaryPart.Velocity.Magnitude >= config.HighFallingVelocityDangerPoint then
                    local _, position = workspace:FindPartOnRay(Ray.new(character.PrimaryPart.Position, Vector3.new(0, -1, 0)*50), character)

                    -- You're gonna die
                    if (primaryPart.Position - position).Magnitude <= config.HighFallingVelocityInterventionDistance then
                        character.PrimaryPart.Velocity = Vector3.new(0, 0, 0)
                        require(script.HighVelocityInterventionAnimation)(character)
                    end
                end

                wait()
            end
        end
    end)
end

-- Methods
function doubleJumpManager:DisconnectConnections()
    for _, connection in next, doubleJumpManager.Connections do
        connection:Disconnect()
    end

    doubleJumpManager.Connections = {}
end

--
return doubleJumpManager