From e664102807daf372a4e8e87e5bb2359464242ab2 Mon Sep 17 00:00:00 2001
From: MayaTheShy <MayaTheShy@gmail.com>
Date: Sun, 22 Mar 2026 11:30:38 -0400
Subject: [PATCH] Add configuration constants and data structures for inventory
 management

---
 manager/config.lua | 146 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 146 insertions(+)
 create mode 100644 manager/config.lua

diff --git a/manager/config.lua b/manager/config.lua
new file mode 100644
index 0000000..25ec063
--- /dev/null
+++ b/manager/config.lua
@@ -0,0 +1,146 @@
+-- manager/config.lua — Configuration constants, data tables, and lookup structures
+-- Usage: local cfg = dofile("manager/config.lua")(log)
+
+return function(log)
+
+local C = {}
+
+-------------------------------------------------
+-- Default configuration (overridden by .manager_config)
+-------------------------------------------------
+
+C.DROPPER_NAME      = "minecraft:dropper_9"
+C.BARREL_NAME       = "minecraft:barrel_0"
+C.POLL_INTERVAL     = 2
+C.MONITOR_SIDE      = "left"
+C.SCAN_INTERVAL     = 120
+C.SMELT_INTERVAL    = 3
+C.SMELT_RESERVE     = 128
+C.DEFRAG_INTERVAL   = 600
+C.COMPOST_INTERVAL  = 3
+C.ALERT_INTERVAL    = 15
+C.CACHE_FILE        = ".inventory_cache"
+C.SMELTER_MONITOR_SIDE = "top"
+C.DISABLED_RECIPES_FILE = ".disabled_recipes"
+
+-- Network
+C.BROADCAST_CHANNEL  = 4200
+C.ORDER_CHANNEL      = 4201
+C.BROADCAST_INTERVAL = 1
+C.CRAFT_CHANNEL      = 4203
+C.CRAFT_REPLY_CHANNEL = 4204
+C.SYSTEM_CHANNEL     = 4205
+
+-- Crafting
+C.CRAFT_TIMEOUT      = 15
+C.GRID_TO_SLOT       = {1, 2, 3, 5, 6, 7, 9, 10, 11}
+
+-- Compost (overridable via config file)
+C.COMPOST_RESERVE    = 128
+C.COMPOST_DROPPER    = "minecraft:dropper_10"
+C.COMPOST_HOPPER     = "minecraft:hopper_0"
+
+-- Peripheral
+C.PERIPHERAL_CACHE_TTL = 5
+
+-- Furnace types
+C.FURNACE_TYPES = {
+    "minecraft:furnace",
+    "minecraft:smoker",
+    "minecraft:blast_furnace",
+}
+C.SLOT_INPUT  = 1
+C.SLOT_FUEL   = 2
+C.SLOT_OUTPUT = 3
+
+-------------------------------------------------
+-- Config file loader
+-------------------------------------------------
+
+local CONFIG_FILE = ".manager_config"
+
+function C.loadConfig()
+    if not fs.exists(CONFIG_FILE) then return end
+    local f = fs.open(CONFIG_FILE, "r")
+    local data = f.readAll()
+    f.close()
+    local ok, cfg = pcall(textutils.unserialiseJSON, data)
+    if not ok or not cfg then
+        log.warn("CONFIG", "Failed to parse %s", CONFIG_FILE)
+        return
+    end
+    C._raw = cfg
+    if cfg.dropperName        then C.DROPPER_NAME        = cfg.dropperName        end
+    if cfg.barrelName         then C.BARREL_NAME          = cfg.barrelName         end
+    if cfg.monitorSide        then C.MONITOR_SIDE         = cfg.monitorSide        end
+    if cfg.smelterMonitorSide then C.SMELTER_MONITOR_SIDE = cfg.smelterMonitorSide end
+    if cfg.pollInterval       then C.POLL_INTERVAL        = cfg.pollInterval       end
+    if cfg.scanInterval       then C.SCAN_INTERVAL        = cfg.scanInterval       end
+    if cfg.smeltInterval      then C.SMELT_INTERVAL       = cfg.smeltInterval      end
+    if cfg.defragInterval     then C.DEFRAG_INTERVAL      = cfg.defragInterval     end
+    if cfg.compostInterval    then C.COMPOST_INTERVAL     = cfg.compostInterval    end
+    if cfg.alertInterval      then C.ALERT_INTERVAL       = cfg.alertInterval      end
+    if cfg.broadcastInterval  then C.BROADCAST_INTERVAL   = cfg.broadcastInterval  end
+    if cfg.smeltReserve       then C.SMELT_RESERVE        = cfg.smeltReserve       end
+    if cfg.broadcastChannel   then C.BROADCAST_CHANNEL    = cfg.broadcastChannel   end
+    if cfg.orderChannel       then C.ORDER_CHANNEL        = cfg.orderChannel       end
+    if cfg.craftChannel       then C.CRAFT_CHANNEL        = cfg.craftChannel       end
+    if cfg.craftReplyChannel  then C.CRAFT_REPLY_CHANNEL  = cfg.craftReplyChannel  end
+    if cfg.compostReserve     then C.COMPOST_RESERVE      = cfg.compostReserve     end
+    if cfg.compostDropper     then C.COMPOST_DROPPER      = cfg.compostDropper     end
+    if cfg.compostHopper      then C.COMPOST_HOPPER       = cfg.compostHopper      end
+    if cfg.logLevel           then log.setLevel(cfg.logLevel)                      end
+    log.info("CONFIG", "Loaded from %s", CONFIG_FILE)
+end
+
+-------------------------------------------------
+-- Data tables
+-------------------------------------------------
+
+C.SMELTABLE        = dofile("data/smeltable.lua")
+C.FUEL_LIST        = dofile("data/fuel.lua")
+local _compostData = dofile("data/compostable.lua")
+C.COMPOSTABLE      = _compostData.items
+C.COMPOST_TRASH    = _compostData.trash
+C.CRAFTABLE        = dofile("data/craftable.lua")
+C.LOW_STOCK_ALERTS = dofile("data/alerts.lua")
+
+-- Pre-build furnace compatibility sets for O(1) lookup
+for _, recipe in pairs(C.SMELTABLE) do
+    recipe.furnaceSet = {}
+    for _, ft in ipairs(recipe.furnaces) do
+        recipe.furnaceSet[ft] = true
+    end
+end
+
+-- Pre-built smelt candidate lists per furnace type
+C.smeltCandidatesByType = {}
+do
+    for _, ftype in ipairs(C.FURNACE_TYPES) do
+        C.smeltCandidatesByType[ftype] = {}
+    end
+    for itemName, recipe in pairs(C.SMELTABLE) do
+        local isFood = recipe.furnaceSet["minecraft:smoker"] or false
+        for ft, _ in pairs(recipe.furnaceSet) do
+            table.insert(C.smeltCandidatesByType[ft], { name = itemName, recipe = recipe, food = isFood })
+        end
+    end
+    for _, list in pairs(C.smeltCandidatesByType) do
+        table.sort(list, function(a, b)
+            if a.food ~= b.food then return a.food end
+            return a.name < b.name
+        end)
+    end
+end
+
+-- Build fuel set for quick lookup
+C.FUEL_SET = {}
+for _, f in ipairs(C.FUEL_LIST) do C.FUEL_SET[f.name] = true end
+
+-- Build compostable set for quick lookup
+C.COMPOSTABLE_SET = {}
+for _, name in ipairs(C.COMPOSTABLE) do C.COMPOSTABLE_SET[name] = true end
+
+return C
+
+end