first commit

Core/Events.lua

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+-- Guda Events Module
+-- Handles game event registration and callbacks
+
+local addon = Guda
+
+local Events = {}
+addon.Modules.Events = Events
+
+-- Event frame
+local eventFrame = CreateFrame("Frame")
+Events.frame = eventFrame
+
+-- Registered callbacks
+local callbacks = {}
+
+-- Register an event with callback
+function Events:Register(event, callback, owner)
+    if not callbacks[event] then
+        callbacks[event] = {}
+        eventFrame:RegisterEvent(event)
+        addon:Debug("Registered event: %s", event)
+    end
+
+    table.insert(callbacks[event], {
+        callback = callback,
+        owner = owner or "addon",
+    })
+end
+
+-- Unregister all callbacks for an owner
+function Events:UnregisterOwner(owner)
+    for event, cbs in pairs(callbacks) do
+        for i = table.getn(cbs), 1, -1 do
+            if cbs[i].owner == owner then
+                table.remove(cbs, i)
+            end
+        end
+
+        -- Unregister event if no callbacks left
+        if table.getn(cbs) == 0 then
+            eventFrame:UnregisterEvent(event)
+            callbacks[event] = nil
+            addon:Debug("Unregistered event: %s", event)
+        end
+    end
+end
+
+-- Event dispatcher
+eventFrame:SetScript("OnEvent", function()
+    if callbacks[event] then
+        for _, entry in ipairs(callbacks[event]) do
+            local success, err = pcall(entry.callback, event, arg1, arg2, arg3, arg4, arg5)
+            if not success then
+                addon:Error("Event callback error [%s]: %s", event, err)
+            end
+        end
+    end
+end)
+
+-- Convenience functions for common events
+function Events:OnBagUpdate(callback, owner)
+    self:Register("BAG_UPDATE", callback, owner)
+end
+
+function Events:OnBankOpen(callback, owner)
+    self:Register("BANKFRAME_OPENED", callback, owner)
+end
+
+function Events:OnBankClose(callback, owner)
+    self:Register("BANKFRAME_CLOSED", callback, owner)
+end
+
+function Events:OnMoneyChanged(callback, owner)
+    self:Register("PLAYER_MONEY", callback, owner)
+end
+
+function Events:OnPlayerLogin(callback, owner)
+    self:Register("PLAYER_LOGIN", callback, owner)
+end
+
+function Events:OnPlayerLogout(callback, owner)
+    self:Register("PLAYER_LOGOUT", callback, owner)
+end