From 6758ee6a8a9df9da5eecc9be9e0458fa29438526 Mon Sep 17 00:00:00 2001
From: Eric Coissac <eric.coissac@metabarcoding.org>
Date: Tue, 12 Mar 2024 17:18:29 +0100
Subject: [PATCH] Patch conversion from lua table to go slice or map

Former-commit-id: d94b879215374438a096e4b80a49b362266149ac
---
 pkg/obilua/lua_push_interface.go |  2 +-
 pkg/obilua/lua_table.go          | 23 +++++++++++++++++++++--
 2 files changed, 22 insertions(+), 3 deletions(-)

diff --git a/pkg/obilua/lua_push_interface.go b/pkg/obilua/lua_push_interface.go
index 809325d..4786191 100644
--- a/pkg/obilua/lua_push_interface.go
+++ b/pkg/obilua/lua_push_interface.go
@@ -64,7 +64,7 @@ func pushMapStringInterfaceToLua(L *lua.LState, m map[string]interface{}) {
 		case string:
 			luaTable.RawSetString(key, lua.LString(v))
 		default:
-			log.Fatalf("Doesn't deal with map containing value %v", v)
+			log.Fatalf("Doesn't deal with map containing value %v of type %T", v, v)
 		}
 	}
 
diff --git a/pkg/obilua/lua_table.go b/pkg/obilua/lua_table.go
index f3dd77e..1278377 100644
--- a/pkg/obilua/lua_table.go
+++ b/pkg/obilua/lua_table.go
@@ -14,7 +14,17 @@ func Table2Interface(interpreter *lua.LState, table *lua.LTable) interface{} {
 	if isArray {
 		val := make([]interface{}, table.Len())
 		for i := 1; i <= table.Len(); i++ {
-			val[i-1] = table.RawGetInt(i)
+			v := table.RawGetInt(i)
+			switch v.Type() {
+			case lua.LTNil:
+				val[i-1] = nil
+			case lua.LTBool:
+				val[i-1] = bool(v.(lua.LBool))
+			case lua.LTNumber:
+				val[i-1] = float64(v.(lua.LNumber))
+			case lua.LTString:
+				val[i-1] = string(v.(lua.LString))
+			}
 		}
 		return val
 	} else {
@@ -22,7 +32,16 @@ func Table2Interface(interpreter *lua.LState, table *lua.LTable) interface{} {
 		val := make(map[string]interface{})
 		table.ForEach(func(k, v lua.LValue) {
 			if ks, ok := k.(lua.LString); ok {
-				val[string(ks)] = v
+				switch v.Type() {
+				case lua.LTNil:
+					val[string(ks)] = nil
+				case lua.LTBool:
+					val[string(ks)] = bool(v.(lua.LBool))
+				case lua.LTNumber:
+					val[string(ks)] = float64(v.(lua.LNumber))
+				case lua.LTString:
+					val[string(ks)] = string(v.(lua.LString))
+				}
 			}
 		})
 		return val