-- Menu state class
---@class MenuState
---@field buttons Button[]
---@field text Text[]
MenuState = {
    buttons = {},
    text = {}
}

-- Factory function
---@param buttons Button[] | nil
---@param text Text[] | nil
---@return MenuState
function MenuState:new( buttons, text )
    local state = {
        buttons = buttons or MenuState.buttons,
        text = text or MenuState.text
    }

    setmetatable( state, { __index = self } )

    return state
end

-- Draw buttons
function MenuState:draw()
    for _, button in ipairs(self.buttons) do
        button:draw()
    end
    for _, txt in ipairs(self.text) do
        txt:draw()
    end
end

-- Update buttons
---@param dt number
---@param point Point
---@param pressed boolean
function MenuState:update( dt, point, pressed )
    for _, button in pairs(self.buttons) do
        button:update( dt, point, pressed )
    end
end

---@enum MenuStateIndex
MenuStateIndex = {
    start = 'start',
    pause = 'pause',
    levels = 'levels',
    hidden = 'hidden',
    completed = 'completed'
}