--CampaignMenu.lua

local P = createMenuSheet("CampaignMenu")


function P:onShow()
    P:updateButtons()
end

function P.updateButtons()
    P.updateButton(0, P.window:getChild("Mission1Button"))
    P.updateButton(0, P.window:getChild("Mission1Text"))
    P.updateButton(1, P.window:getChild("Mission2Button"))
    P.updateButton(1, P.window:getChild("Mission2Text"))
    P.updateButton(2, P.window:getChild("Mission3Button"))
    P.updateButton(2, P.window:getChild("Mission3Text"))
    P.updateButton(3, P.window:getChild("Mission4Button"))
    P.updateButton(3, P.window:getChild("Mission4Text"))
    P.updateButton(4, P.window:getChild("Mission5Button"))
    P.updateButton(4, P.window:getChild("Mission5Text"))
    P.updateButton(5, P.window:getChild("Mission6Button"))
    P.updateButton(5, P.window:getChild("Mission6Text"))
    P.updateButton(6, P.window:getChild("Mission7Button"))
    P.updateButton(6, P.window:getChild("Mission7Text"))
    P.updateButton(7, P.window:getChild("Mission8Button"))
    P.updateButton(7, P.window:getChild("Mission8Text"))
    P.updateButton(8, P.window:getChild("Mission9Button"))
    P.updateButton(8, P.window:getChild("Mission9Text"))


    if (P.getIndexOfLastFinishedMission() == orxonox.LevelManager:getInstance():getNumberOfCampaignMissions() - 1) then
        local label = P.window:getChild("CampaignMenuCongratulation")
        label:setProperty("Visible","True")
    end
end
--Updated Buttons der levels
function P.updateButton(index, button)
    --Wenn genuegend Levels vorhanden sind, wird der Butten angezeigt
    if (P.shouldDisplayButton(index)) then
        button:setProperty("Visible", "True")

        --wenn genuegend levels bestanden sind, wird er benutzbar
        if (P.shouldEnableButton(index)) then
            button:setProperty("Disabled", "False")
        end
    end
end

function P.Test(e)
     orxonox.execute("startMainMenu")
end

function P.shouldDisplayButton(index)
    local size = orxonox.LevelManager:getInstance():getNumberOfCampaignMissions()
    return index < size
end

function P.shouldEnableButton(index)
    return index <= P.getIndexOfLastFinishedMission() + 1
end

function P.getIndexOfLastFinishedMission()
    local lastMission = orxonox.LevelManager:getInstance():getLastFinishedCampaignMission()
    if (lastMission and lastMission ~= "") then
        local size = orxonox.LevelManager:getInstance():getNumberOfCampaignMissions()
        local index = 0
        while index < size do
            local mission = orxonox.LevelManager:getInstance():getCampaignMission(index)
            if (mission == lastMission) then 
                return index
            end
            index = index + 1
        end
    end
    return -1
end




function P.Mission1Button_clicked(e)
    P.loadLevel(P.FindLevel(0))
end
function P.KeyPressed(e)
    P.loadLevel(P.FindLevel(0))
end

function P.Mission2Button_clicked(e)
    P.loadLevel(P.FindLevel(1))
end

function P.Mission3Button_clicked(e)
    P.loadLevel(P.FindLevel(2))
end

function P.Mission4Button_clicked(e)
    P.loadLevel(P.FindLevel(3))
end

function P.Mission5Button_clicked(e)
    P.loadLevel(P.FindLevel(4))
end

function P.Mission6Button_clicked(e)
    P.loadLevel(P.FindLevel(5))
end

function P.Mission7Button_clicked(e)
    P.loadLevel(P.FindLevel(6))
end

function P.Mission8Button_clicked(e)
    P.loadLevel(P.FindLevel(7))
end

function P.Mission9Button_clicked(e)
    P.loadLevel(P.FindLevel(8))
end

function P.loadLevel(level)
    orxonox.execute("changeGame " .. level:getXMLFilename())
    hideAllMenuSheets()
end

function P.loadMap()
    orxonox.execute("changeGame  dynamicMatch.oxw")
     hideAllMenuSheets()
end

function P.FindLevel(index)
    local filename = orxonox.LevelManager:getInstance():getCampaignMission(index)
    local level = nil
    local templevel = nil
    local size = orxonox.LevelManager:getInstance():getNumberOfLevels()
    local index = 0
    while index < size do
        templevel = orxonox.LevelManager:getInstance():getAvailableLevelListItem(index)
        if(templevel:getXMLFilename()==filename) then 
            level = templevel
        end
    index=index+1
    end
    return level
end

function P.CampaignMenuBackButton_clicked(e)
    orxonox.execute("startMainMenu")
    hideMenuSheet("CampaignMenu")
end

return P