Crafting improvements

craft.lua

@@ -1,7 +1,7 @@
 local component = require("component")
 local robot = require("robot")
 local sides = require("sides")
-local event = require("event")
+local io = require("io")
 
 local recipes = require('recipes')
 
@@ -70,8 +70,9 @@ end
 local function confirm()
     while true do
         print("Proceed? [y/n]")
-        local _, _, ascii, _, _ = event.pull("key_down")
-        local ch = string.char(ascii)
+        -- local _, _, ascii, _, _ = term.pull("key_down")
+        -- local ch = string.char(ascii)
+        local ch = io.read()
         if ch == 'y' then
             return true
         elseif ch == 'n' then
@@ -147,8 +148,13 @@ end
 ---Returns number of items fetched
 ---@param item string
 ---@param output_slot number
+---@param count number how many items to take
 ---@return boolean
-local function fetch_item(item, output_slot)
+local function fetch_item(item, output_slot, count)
+    if count == nil then
+        count = 1
+    end
+
     local name, damage = parse_item(item, ";")
     robot.select(output_slot)
     local size = inventory.getInventorySize(sides.forward)
@@ -161,7 +167,7 @@ local function fetch_item(item, output_slot)
         local stack = inventory.getStackInSlot(sides.forward, slot)
         if stack then
             if stack.name == name and stack.damage == damage then
-                inventory.suckFromSlot(sides.forward, slot, 1)
+                inventory.suckFromSlot(sides.forward, slot, count)
                 return true
             end
         end
@@ -173,15 +179,16 @@ end
 
 ---accepts a recipe table containing result and ingredients
 ---@param recipe table
+---@param count number how many items to craft
 ---@return boolean
-local function craft_single_recipe(recipe)
+local function craft_single_recipe(recipe, count)
     if inventory.getStackInInternalSlot(RESULT_SLOT) then
         print('Cannot craft - output slot occupied')
         return false
     end
     for i, ingredient in pairs(recipe.shape) do
         -- print('Fetching ' .. ingredient)
-        if not fetch_item(ingredient, slot_map[i]) then
+        if not fetch_item(ingredient, slot_map[i], count) then
             print('Failed to fetch ' .. ingredient)
             confirm()
         end
@@ -191,7 +198,7 @@ local function craft_single_recipe(recipe)
     robot.select(RESULT_SLOT)
 
     -- craft the resulting item
-    local crafted = crafting.craft(1)
+    local crafted = crafting.craft()
     if not crafted then
         print('Crafting failed')
         return false
@@ -278,16 +285,56 @@ local function craft_recipe_recursion(recipe, available_items, currently_availab
 end
 
 ---accepts a recipe table
----@param item string
+---@param search string search for an craftable item
 ---@return boolean
-local function craft_item(item)
-    print('Trying to craft ' .. item)
-    local recipe = recipes[item]
-    if not recipe then
-        print('Cannot craft ' .. item)
+local function craft_item(search)
+    search = string.lower(search) -- convert to unified lowercase
+
+    local matches = {}
+    for key, value in pairs(recipes) do
+        if string.find(value.result, search) then
+            print(#matches+1 .. ") " .. value.result)
+            matches[#matches+1] = key
+        elseif value.name ~= nil then
+            if string.find(value.name, search) then
+                print(#matches+1 .. ") " .. value.result)
+                matches[#matches+1] = key
+            end
+        end
+    end
+
+    local selected
+    if #matches == 0 then
+        print(selected .. ' not found')
         return false
+    elseif #matches == 1 then
+        selected = matches[1]
+    else
+        local input = io.read()
+        if not input then
+            print('Interrupted')
+            return false
+        end
+
+        local index = tonumber(input)
+        if not index then
+            print('Invalid index')
+            return false
+        end
+
+        if index < 1 or index > #matches then
+            print('Invalid index')
+            return false
+        end
+
+        selected = matches[index]
     end
 
+
+    local recipe = recipes[selected]
+
+    print('Trying to craft ' .. recipe.result)
+
     local available_items = read_chest_contents()
     if not available_items then
         print('Not facing a chest')
@@ -332,7 +379,7 @@ local function craft_item(item)
     -- proceed to crafting the things
     for i, rec in ipairs(crafting_order) do
         print('Step #' .. i .. ' - ' .. rec.result)
-        if not craft_single_recipe(rec) then
+        if not craft_single_recipe(rec, 1) then
             print('Unexpected error')
             return false
         end
@@ -350,6 +397,3 @@ end
 
 craft_item(target)
 
--- craft_item('minecraft:iron_pickaxe;0')
--- craft_item('opencomputers:keyboard;0')
--- craft_item('opencomputers:material;10')