From 06103a3264d7bc81e5a71406c1378d28f7c00d34 Mon Sep 17 00:00:00 2001
From: Alexey <alex@oblat.lv>
Date: Wed, 20 Aug 2025 10:10:52 +0300
Subject: [PATCH] add lua engine skeleton

---
 internal/engine/lua/handler.go |  1 +
 internal/engine/lua/pool.go    | 35 ++++++++++++++++++++++++++++++++++
 internal/engine/lua/types.go   | 26 +++++++++++++++++++++++++
 3 files changed, 62 insertions(+)
 create mode 100644 internal/engine/lua/handler.go
 create mode 100644 internal/engine/lua/pool.go
 create mode 100644 internal/engine/lua/types.go

diff --git a/internal/engine/lua/handler.go b/internal/engine/lua/handler.go
new file mode 100644
index 0000000..07534cc
--- /dev/null
+++ b/internal/engine/lua/handler.go
@@ -0,0 +1 @@
+package lua
diff --git a/internal/engine/lua/pool.go b/internal/engine/lua/pool.go
new file mode 100644
index 0000000..d1e009d
--- /dev/null
+++ b/internal/engine/lua/pool.go
@@ -0,0 +1,35 @@
+package lua
+
+import (
+	"sync"
+
+	lua "github.com/yuin/gopher-lua"
+)
+
+type LuaPool struct {
+	pool sync.Pool
+}
+
+func NewLuaPool() *LuaPool {
+	return &LuaPool{
+		pool: sync.Pool{
+			New: func() any {
+				L := lua.NewState()
+				
+				return L
+			},
+		},
+	}
+}
+
+func (lp *LuaPool) Get() *lua.LState {
+	return lp.pool.Get().(*lua.LState)
+}
+
+func (lp *LuaPool) Put(L *lua.LState) {
+	L.Close()
+
+	newL := lua.NewState()
+	
+	lp.pool.Put(newL)
+}
diff --git a/internal/engine/lua/types.go b/internal/engine/lua/types.go
new file mode 100644
index 0000000..72504e2
--- /dev/null
+++ b/internal/engine/lua/types.go
@@ -0,0 +1,26 @@
+package lua
+
+import (
+	"net/http"
+
+	"github.com/akyaiy/GoSally-mvp/internal/core/corestate"
+	"github.com/akyaiy/GoSally-mvp/internal/engine/app"
+	"github.com/akyaiy/GoSally-mvp/internal/server/rpc"
+)
+
+type LuaEngineDeps struct {
+	HttpRequest    *http.Request
+	JSONRPCRequest *rpc.RPCRequest
+	SessionUUID string
+	ScriptPath string
+}
+
+type LuaEngineContract interface {
+	Handle(deps *LuaEngineDeps) *rpc.RPCResponse
+	
+}
+
+type LuaEngine struct {
+	x  *app.AppX
+	cs *corestate.CoreState
+}