--[[ Constants
    * (all lua builtins that don't allow io/executing code)
    color (interface)
    gui (interface)
    multi (interface bound to a processor) no thread module

    callback true/false correct/wrong
]]
local label
local imageHolder

local function index(window, q, callback)
    if not q.sound or q.sound == "" then
        error("Missing 'sound' field for question!")
        callback()
        return
    end
    local frame = window:newFrame(0,0,0,0,0,.2,1,.8)
    frame.visibility = 0
    label = window:newTextLabel("     " ..q.title.. "     ",0,0,0,0,0,0,1,.2)
    label.align = ALIGN_CENTER
    label.textColor = color.question_font
    label.color = color.question_bg
    label:scaleFont(.4)
    label:centerFont()
    label.drawBorder = false
    imageHolder = window:newImageButton("assets/images/speaker.png",0,0,0,0,0,0,.3,.3)
    imageHolder.scale = "h"
    imageHolder:centerX(true)
    imageHolder:centerY(true)
    local sound = newSource(q.sound,"stream")
    imageHolder:OnReleased(function()
        if tonumber(q.start) then
            sound:seek(q.start)
        end

        sound:play()

        timer(tonumber(q.playFor) or 10, function()
            sound:stop()
            sound:seek(0)
        end)
    end)
    
    useDefaultHandler(callback)

    -- Return the expected types
    return {
        {sound=AUDIO, description="Sound that will be played"}
    }
end

local function update(dt) -- time in seconds that has passed since

end

return {
    index = index,
    update = update
}