From 62a9ab811d630246c5612a3da005d0f15c556b40 Mon Sep 17 00:00:00 2001
From: MayaTheShy <MayaTheShy@gmail.com>
Date: Wed, 25 Mar 2026 21:45:39 -0400
Subject: [PATCH] feat: enhance crafting function to support batch processing
 with ingredient validation

---
 manager/operations.lua | 33 ++++++++++++++++++++++++++++++---
 1 file changed, 30 insertions(+), 3 deletions(-)

diff --git a/manager/operations.lua b/manager/operations.lua
index 51c18d5..83d7301 100644
--- a/manager/operations.lua
+++ b/manager/operations.lua
@@ -1162,7 +1162,8 @@ function O.getMissingIngredients(recipe)
     return ui.getMissingIngredients(recipe, O.getItemTotal)
 end
 
-function O.craftItem(recipeIdx)
+function O.craftItem(recipeIdx, batches)
+    batches = batches or 1
     local recipe = cfg.CRAFTABLE[recipeIdx]
     if not recipe then
         log.error("CRAFT", "Invalid recipe index: %s", tostring(recipeIdx))
@@ -1181,7 +1182,11 @@ function O.craftItem(recipeIdx)
         return false, "Turtle offline"
     end
 
-    log.info("CRAFT", "Starting craft: %s (turtle: %s)", recipe.output, ctx.craftTurtleName)
+    -- Clamp batches to 64 (max stack size per slot)
+    batches = math.min(batches, 64)
+
+    log.info("CRAFT", "Starting craft: %s x%d (%d batches, turtle: %s)",
+        recipe.output, batches * recipe.count, batches, ctx.craftTurtleName)
 
     activity.crafting = true
     state.needsRedraw = true
@@ -1191,6 +1196,27 @@ function O.craftItem(recipeIdx)
     local slotMap = {}
     local reservedSlots = {}
 
+    -- Sum how many of each ingredient we need total
+    local ingredientTotals = {}
+    for gridPos = 1, 9 do
+        local itemName = recipe.grid[gridPos]
+        if itemName then
+            ingredientTotals[itemName] = (ingredientTotals[itemName] or 0) + batches
+        end
+    end
+
+    -- Check we have enough of each ingredient
+    for itemName, needed in pairs(ingredientTotals) do
+        local have = O.getItemTotal(itemName)
+        if have < needed then
+            log.error("CRAFT", "Not enough %s: have %d, need %d", itemName, have, needed)
+            activity.crafting = false
+            state.needsRedraw = true
+            state.smelterNeedsRedraw = true
+            return false, string.format("Need %d %s, have %d", needed, itemName, have)
+        end
+    end
+
     for gridPos = 1, 9 do
         local itemName = recipe.grid[gridPos]
         if itemName then
@@ -1204,11 +1230,12 @@ function O.craftItem(recipeIdx)
                         for slot, slotItem in pairs(chest.list()) do
                             local key = source.chest .. ":" .. slot
                             if slotItem.name == itemName and not reservedSlots[key] then
+                                local pullCount = math.min(batches, slotItem.count)
                                 slotMap[tostring(turtleSlot)] = {
                                     chestName = source.chest,
                                     chestSlot = slot,
                                     itemName  = itemName,
-                                    count     = 1,
+                                    count     = pullCount,
                                 }
                                 reservedSlots[key] = true
                                 found = true