-- Dialogue.lua

local P = createMenuSheet("Dialogue")

P.wrapper = nil
P.detailsWindows = {}
P.detailPickups = {}
P.pickupsList = {}

P.showing = false

-- Design parameters
P.imageHeight = 50
P.detailImageSize = 100
P.textHeight = 30
P.buttonWidth = 85

function P.onLoad()
    P.wrapper = nil
    P.detailsWindows = {}
    P.detailPickups = {}
    P.pickupsList = {}
end

function P.onShow()
    orxonox.CommandExecutor:execute("setTimeFactor 0")
    P.createInventory()
    P.showing = true

end

function P.onHide()
    orxonox.CommandExecutor:execute("setTimeFactor 1")
    P.showing = false
    P.cleanup(true)
end

function P.update()
    P.updateInventory()
    if P.showing == false then
        return
    end

    -- Update opened detail windows.
    

    -- Update main inventory.
    P.cleanup(false)
    P.createInventory()
    -- TODO: Recover scrolling position
    
end

function P.createInventory()

    local pickupManager = orxonox.DialogueManager:getInstance()
    
    root = winMgr:getWindow("orxonox/Dialogue/Inventory")
    local question = orxonox.DialogueManager:getInstance():getquestion()
    root:setText(question)
    P.wrapper = winMgr:createWindow("MenuWidgets/ScrollablePane", "orxonox/Dialogue/Inventory/Wrapper")
    P.wrapper:setSize(CEGUI.UVector2(CEGUI.UDim(1,0),CEGUI.UDim(1,0)))
    root:addChildWindow(P.wrapper)
    
    
    detailsButton = winMgr:createWindow("MenuWidgets/Button", "/DetailsButton")
    local a1 = orxonox.DialogueManager:getInstance():getanswers1()
    detailsButton:setPosition(CEGUI.UVector2(CEGUI.UDim(0.1, 0),CEGUI.UDim(0.25, (P.imageHeight-P.textHeight)/2)))
    detailsButton:setSize(CEGUI.UVector2(CEGUI.UDim(0.8, 0), CEGUI.UDim(0, P.textHeight)))
    detailsButton:setText(a1)
    orxonox.GUIManager:subscribeEventHelper(detailsButton, "Clicked", P.name ..".a1Button_clicked")
    P.wrapper:addChildWindow(detailsButton)

    a2Button = winMgr:createWindow("MenuWidgets/Button", "/a2Button")
    local a2 = orxonox.DialogueManager:getInstance():getanswers2()
    a2Button:setPosition(CEGUI.UVector2(CEGUI.UDim(0.1, 0),CEGUI.UDim(0.4, (P.imageHeight-P.textHeight)/2)))
    a2Button:setSize(CEGUI.UVector2(CEGUI.UDim(0.8, 0), CEGUI.UDim(0, P.textHeight)))
    a2Button:setText(a2)
    orxonox.GUIManager:subscribeEventHelper(a2Button, "Clicked", P.name ..".a2Button_clicked")
    P.wrapper:addChildWindow(a2Button)


end

function P.updateInventory()
    local questionn = orxonox.DialogueManager:getInstance():getquestion()
    root:setText(questionn)
    local a1n = orxonox.DialogueManager:getInstance():getanswers1()
    detailsButton:setText(a1n)
    local a2n = orxonox.DialogueManager:getInstance():getanswers2()
    a2Button:setText(a2n)

end


function P.cleanup(destroyDetails)
    
    if P.wrapper ~= nil then
        winMgr:destroyWindow(P.wrapper)
    end
    
    --Destroy details windows.
    if destroyDetails == false then
        return
    end
    for k,v in pairs(P.detailsWindows) do
        if v ~= nil then
            P.destroyDetailWindow(k)
        end
    end
    
end



function P.a1Button_clicked(e)
    local ending = orxonox.DialogueManager:getInstance():theEnd()
    
    if ending then
        orxonox.CommandExecutor:execute("OrxonoxOverlay toggleVisibility Dialogue")
    
    
    else 
        orxonox.DialogueManager:getInstance():a1clicked()
        P.update()
    end
end

function P.a2Button_clicked(e)
    local ending = orxonox.DialogueManager:getInstance():theEnd()
    
    if ending then
        orxonox.CommandExecutor:execute("OrxonoxOverlay toggleVisibility Dialogue")
    
    
    else 
        orxonox.DialogueManager:getInstance():a2clicked()
        P.update()
    end
    
end

return P