---@class PageView
local PageView = {
    pageStack = {} ---@type Page[]
}

local function pushStack(t, o)
    table.insert(t, 1, o)
end

local function popStack(t)
    return table.remove(t, 1)
end

function PageView:new(o, rootPage)
    o = o or {}
    setmetatable(o, self)
    self.__index = self
    rootPage.viewHandler = self
    pushStack(self.pageStack, rootPage)
end

---Navigate to page
---@param page Page
function PageView:navigate(page)
    page.viewHandler = self
    pushStack(self.pageStack, page)
end

function PageView:back()
    self.pageStack[1].viewHandler = nil
    popStack(self.pageStack)
end

function PageView:render(deltaTime)
    if self.pageStack[1] then
        self.pageStack[1].render(deltaTime)
    end
end

return PageView