First version

modules/autobuy/module.lua

@@ -0,0 +1,161 @@
+------------------------------------------------------
+-- MetaHunt: AutoBuy Module
+-- Standalone module shell for vendor auto-buy features.
+------------------------------------------------------
+
+local MTH_AutoBuy = {
+	name = "autobuy",
+	enabled = false,
+	version = "1.0.3",
+	events = {
+		"VARIABLES_LOADED",
+		"MERCHANT_SHOW",
+		"MERCHANT_UPDATE",
+		"MERCHANT_CLOSED",
+	},
+	initialized = false,
+}
+
+local function AB_Log(message, severity)
+	if type(MTH_Log) == "function" then
+		MTH_Log("[AutoBuy] " .. tostring(message or ""), severity)
+	end
+end
+
+local AB_Engine
+
+local function AB_Trace(message)
+	return
+end
+
+local function AB_EnsureBridgeFrame(moduleRef)
+	if MTH_AutoBuy._bridgeFrame then
+		return MTH_AutoBuy._bridgeFrame
+	end
+
+	local frame = CreateFrame("Frame", "MTH_AutoBuyBridgeFrame")
+	if not frame then
+		AB_Log("failed to create bridge frame", "error")
+		return nil
+	end
+
+	frame:RegisterEvent("VARIABLES_LOADED")
+	frame:RegisterEvent("MERCHANT_SHOW")
+	frame:RegisterEvent("MERCHANT_UPDATE")
+	frame:RegisterEvent("MERCHANT_CLOSED")
+	frame:SetScript("OnEvent", function(_, eventName)
+		eventName = eventName or event
+		local engine = AB_Engine()
+		if not engine then
+			AB_Trace("bridge event=" .. tostring(eventName) .. " engine missing")
+			return
+		end
+
+		if eventName == "VARIABLES_LOADED" then
+			engine:Init()
+			local store = engine:EnsureDefaults()
+			AB_Trace("bridge VARIABLES_LOADED store.enabled=" .. tostring(store and store.enabled)
+				.. " projectiles.enabled=" .. tostring(store and store.projectiles and store.projectiles.enabled))
+			return
+		end
+
+		if eventName == "MERCHANT_SHOW" or eventName == "MERCHANT_UPDATE" then
+			AB_Trace("bridge " .. tostring(eventName) .. " -> engine")
+			engine:OnMerchantEvent(eventName)
+		elseif eventName == "MERCHANT_CLOSED" then
+			AB_Trace("bridge MERCHANT_CLOSED -> engine")
+			if engine.OnMerchantClosed then
+				engine:OnMerchantClosed()
+			end
+		end
+	end)
+
+	MTH_AutoBuy._bridgeFrame = frame
+	MTH_AutoBuy._bridgeActive = true
+	return frame
+end
+
+AB_Engine = function()
+	return MTH_AutoBuyEngine
+end
+
+function MTH_AutoBuy:init()
+	local engine = AB_Engine()
+	if not engine then
+		AB_Log("init failed: engine missing", "error")
+		AB_Trace("init failed: engine missing")
+		return
+	end
+	engine:Init()
+	AB_EnsureBridgeFrame(self)
+	self.initialized = true
+	AB_Trace("init done")
+	if self.enabled then
+		AB_Log("module initialized", "debug")
+	end
+end
+
+function MTH_AutoBuy:setEnabled(enabled)
+	if not self.initialized then
+		self:init()
+	end
+	local engine = AB_Engine()
+	if not engine then
+		AB_Trace("setEnabled ignored: engine missing")
+		return
+	end
+	local store = engine:EnsureDefaults()
+	store.enabled = enabled and true or false
+	AB_EnsureBridgeFrame(self)
+	AB_Trace("setEnabled store.enabled=" .. tostring(store.enabled))
+end
+
+function MTH_AutoBuy:onEvent(event)
+	local engine = AB_Engine()
+	if not engine then
+		AB_Log("onEvent ignored: engine missing, event=" .. tostring(event), "debug")
+		AB_Trace("engine missing, event=" .. tostring(event))
+		return
+	end
+	if self._bridgeActive and (event == "MERCHANT_SHOW" or event == "MERCHANT_UPDATE" or event == "MERCHANT_CLOSED") then
+		return
+	end
+
+	AB_Log("onEvent event=" .. tostring(event) .. " module.enabled=" .. tostring(self.enabled), "debug")
+
+	if event == "VARIABLES_LOADED" then
+		engine:Init()
+		AB_EnsureBridgeFrame(self)
+		AB_Log("onEvent VARIABLES_LOADED -> engine init", "debug")
+		local store = engine:EnsureDefaults()
+		AB_Trace("VARIABLES_LOADED module.enabled=" .. tostring(self.enabled)
+			.. " store.enabled=" .. tostring(store and store.enabled)
+			.. " projectiles.enabled=" .. tostring(store and store.projectiles and store.projectiles.enabled))
+		return
+	end
+
+	if not self.enabled then
+		AB_Log("onEvent ignored: module disabled", "debug")
+		if event == "MERCHANT_SHOW" or event == "MERCHANT_UPDATE" then
+			AB_Trace(tostring(event) .. " ignored: module disabled")
+		end
+		return
+	end
+
+	if event == "MERCHANT_SHOW" or event == "MERCHANT_UPDATE" then
+		AB_Log("onEvent merchant event forwarded: " .. tostring(event), "debug")
+		AB_Trace("forwarding " .. tostring(event) .. " to engine")
+		engine:OnMerchantEvent(event)
+	elseif event == "MERCHANT_CLOSED" then
+		AB_Trace("forwarding MERCHANT_CLOSED to engine")
+		if engine.OnMerchantClosed then
+			engine:OnMerchantClosed()
+		end
+	end
+end
+
+function MTH_AutoBuy:cleanup()
+	AB_Log("module cleanup", "debug")
+end
+
+MTH:RegisterModule("autobuy", MTH_AutoBuy)