name: Apply delayed charge refresh

on:
  push:
    branches:
      - refactor/consolidate-patch-layers

permissions:
  contents: write

jobs:
  patch:
    if: github.actor != 'github-actions[bot]'
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          ref: refactor/consolidate-patch-layers
          fetch-depth: 0

      - name: Use BAG_UPDATE_DELAYED for charge overlays
        shell: python
        run: |
          from pathlib import Path

          p = Path('UI/BagFrame.lua')
          t = p.read_text(encoding='utf-8')

          old = ''' local bagUpdateFrame = CreateFrame("Frame")\n bagUpdateFrame:RegisterEvent("BAG_UPDATE")\n bagUpdateFrame:SetScript("OnEvent", function()\n     if currentViewChar then return end\n     if not Guda_BagFrame:IsShown() then return end\n\n     -- Only handle player bags (0-4) - use tonumber for safe comparison\n     local bagID = tonumber(arg1)\n     if not bagID or bagID < 0 or bagID > 4 then\n         return  -- Skip bank bags (5-10) and invalid bags\n     end\n\n     local viewType = addon.Modules.DB:GetSetting("bagViewType") or "single"\n     addon:DebugCategory("BAG_UPDATE (BagFrame): bagID=%d, viewType=%s", bagID, viewType)\n\n     -- A charge use can fire BAG_UPDATE without changing item link or stack count.\n     -- Refresh only already-known charge overlays before the incremental diff path.\n     BagFrame:RefreshKnownChargeOverlays(bagID)\n'''

          new = ''' local pendingChargeBags = {}\n local bagUpdateFrame = CreateFrame("Frame")\n bagUpdateFrame:RegisterEvent("BAG_UPDATE")\n bagUpdateFrame:RegisterEvent("BAG_UPDATE_DELAYED")\n bagUpdateFrame:SetScript("OnEvent", function()\n     -- ClassicAPI fires BAG_UPDATE_DELAYED at the tail of the world tick, after\n     -- all BAG_UPDATE events for that frame and after bag contents have settled.\n     -- This is the correct point to rescan instance-only data such as charges.\n     if event == "BAG_UPDATE_DELAYED" then\n         if not currentViewChar and Guda_BagFrame:IsShown() then\n             for pendingBagID in pairs(pendingChargeBags) do\n                 pendingChargeBags[pendingBagID] = nil\n                 BagFrame:RefreshKnownChargeOverlays(pendingBagID)\n             end\n         else\n             -- The positive charge cache was already invalidated on BAG_UPDATE.\n             -- If bags are hidden, a future render will therefore read fresh data.\n             for pendingBagID in pairs(pendingChargeBags) do\n                 pendingChargeBags[pendingBagID] = nil\n             end\n         end\n         return\n     end\n\n     -- Only handle player bags (0-4) - use tonumber for safe comparison.\n     local bagID = tonumber(arg1)\n     if not bagID or bagID < 0 or bagID > 4 then\n         return  -- Skip bank bags (5-10) and invalid bags\n     end\n\n     -- BAG_UPDATE itself can arrive before the new charge count is readable.\n     -- Invalidate now, remember the changed bag, but defer tooltip work until\n     -- BAG_UPDATE_DELAYED. Normal stacks keep their cached negative result.\n     if addon.Modules.ItemDetection and addon.Modules.ItemDetection.InvalidateCharges then\n         addon.Modules.ItemDetection:InvalidateCharges(bagID)\n     end\n     pendingChargeBags[bagID] = true\n\n     if currentViewChar then return end\n     if not Guda_BagFrame:IsShown() then return end\n\n     local viewType = addon.Modules.DB:GetSetting("bagViewType") or "single"\n     addon:DebugCategory("BAG_UPDATE (BagFrame): bagID=%d, viewType=%s", bagID, viewType)\n'''

          if old not in t:
              raise SystemExit('BagFrame BAG_UPDATE charge block not found')
          t = t.replace(old, new, 1)
          p.write_text(t, encoding='utf-8')

          Path('.github/workflows/fix-delayed-charge-refresh.yml').unlink()

      - name: Validate Lua
        run: |
          sudo apt-get update -qq
          sudo apt-get install -y -qq lua5.1
          set -e
          find . -name '*.lua' -print0 | while IFS= read -r -d '' f; do
            luac5.1 -p "$f"
          done

      - name: Commit patch
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
          git add -A
          git commit -m "fix: refresh charges after bag state settles"
          git push origin HEAD:refactor/consolidate-patch-layers