From 4af91235e1f9fc8c3c39a250d6fe355f377cac75 Mon Sep 17 00:00:00 2001
From: MayaTheShy <MayaTheShy@gmail.com>
Date: Sat, 21 Mar 2026 18:21:23 -0400
Subject: [PATCH] Refactor furnace input, fuel, and output handling: stringify
 on save and parse on load

---
 web/server/db.js | 22 +++++++++++++---------
 1 file changed, 13 insertions(+), 9 deletions(-)

diff --git a/web/server/db.js b/web/server/db.js
index 826f0d3..e707977 100644
--- a/web/server/db.js
+++ b/web/server/db.js
@@ -158,9 +158,9 @@ const saveFurnacesBatch = db.transaction((furnaces, now) => {
       name,
       type: f.type || 'minecraft:furnace',
       active: f.active ? 1 : 0,
-      input: f.input || null,
-      fuel: f.fuel || null,
-      output: f.output || null,
+      input: f.input ? JSON.stringify(f.input) : null,
+      fuel: f.fuel ? JSON.stringify(f.fuel) : null,
+      output: f.output ? JSON.stringify(f.output) : null,
       updatedAt: now,
     });
   }
@@ -260,12 +260,16 @@ export function loadFurnaces() {
   const rows = getAllFurnaces.all();
   const result = {};
   for (const row of rows) {
+    let input = null, fuel = null, output = null;
+    try { input = row.input ? JSON.parse(row.input) : null; } catch { input = row.input; }
+    try { fuel = row.fuel ? JSON.parse(row.fuel) : null; } catch { fuel = row.fuel; }
+    try { output = row.output ? JSON.parse(row.output) : null; } catch { output = row.output; }
     result[row.name] = {
       active: !!row.active,
       type: row.type,
-      input: row.input,
-      fuel: row.fuel,
-      output: row.output,
+      input,
+      fuel,
+      output,
     };
   }
   return result;
@@ -362,9 +366,9 @@ const _saveFullStateTransaction = db.transaction((state, now) => {
         name,
         type: f.type || 'minecraft:furnace',
         active: f.active ? 1 : 0,
-        input: f.input || null,
-        fuel: f.fuel || null,
-        output: f.output || null,
+        input: f.input ? JSON.stringify(f.input) : null,
+        fuel: f.fuel ? JSON.stringify(f.fuel) : null,
+        output: f.output ? JSON.stringify(f.output) : null,
         updatedAt: now,
       });
     }