local addonName, private = ...
local AceGUI = LibStub("AceGUI-3.0")

private.BIG_ICONS = {}

private.evaluateBigIconPositions = function()
   local visibleIcons = 0
   table.sort(private.BIG_ICONS, function(a, b) 
      local aRemaining = C_EncounterTimeline.GetEventTimeRemaining(a.eventInfo.id)
      local bRemaining = C_EncounterTimeline.GetEventTimeRemaining(b.eventInfo.id)
      if aRemaining and bRemaining and aRemaining ~= bRemaining then
          return aRemaining < bRemaining
      else
         return a.eventInfo.id < b.eventInfo.id
      end
   end)
   for i, frame in ipairs(private.BIG_ICONS) do
      if frame and frame:IsShown() then
         if private.db.global.bigicon[private.ACTIVE_EDITMODE_LAYOUT].grow_direction == 'RIGHT' then
            local xOffset = (private.BIG_ICON_SIZE + private.BIG_ICON_MARGIN) * (visibleIcons)
            if frame.offset ~= xOffset or frame.growdirection ~= 'RIGHT' then
               frame.offset = xOffset
               frame:ClearAllPoints()
               frame:SetPoint("LEFT", private.BIGICON_FRAME.frame, "LEFT", xOffset, 0)
               frame.growdirection = 'RIGHT'
            end
         elseif private.db.global.bigicon[private.ACTIVE_EDITMODE_LAYOUT].grow_direction == 'LEFT' then
            local xOffset = -1 * (private.BIG_ICON_SIZE + private.BIG_ICON_MARGIN) * (visibleIcons)
            if frame.offset ~= xOffset or frame.growdirection ~= 'LEFT' then
               frame.offset = xOffset
               frame:ClearAllPoints()
               frame:SetPoint("RIGHT", private.BIGICON_FRAME.frame, "RIGHT", xOffset, 0)
               frame.growdirection = 'LEFT'
            end
         elseif private.db.global.bigicon[private.ACTIVE_EDITMODE_LAYOUT].grow_direction == 'UP' then
            local yOffset = (private.BIG_ICON_SIZE + private.BIG_ICON_MARGIN) * (visibleIcons)
            if frame.offset ~= yOffset or frame.growdirection ~= 'UP' then
               frame.offset = yOffset
               frame:SetPoint("BOTTOM", private.BIGICON_FRAME.frame, "BOTTOM", 0, yOffset)
               frame.growdirection = 'UP'
            end
         elseif private.db.global.bigicon[private.ACTIVE_EDITMODE_LAYOUT].grow_direction == 'DOWN' then
            local yOffset = -1 * (private.BIG_ICON_SIZE + private.BIG_ICON_MARGIN) * (visibleIcons)
            if frame.offset ~= yOffset or frame.growdirection ~= 'DOWN' then
               frame.offset = yOffset
               frame:ClearAllPoints()
               frame:SetPoint("TOP", private.BIGICON_FRAME.frame, "TOP", 0, yOffset)
               frame.growdirection = 'DOWN'
            end
         end
      
         visibleIcons = visibleIcons + 1
      end
   end
end

private.createBigIcon = function(eventInfo)
   local frame = AceGUI:Create("AtBigIcon")
   frame:SetEventInfo(eventInfo)
   private.HIGHLIGHT_EVENTS.BigIcons[eventInfo.id] = true
   table.insert(private.BIG_ICONS, frame)
   private.Debug(frame, "AT_BIGICON_FRAME_" .. eventInfo.id)
   private.evaluateBigIconPositions()
end