WitcheryCauldron

--- CONFIG ---
local delay = 20                -- int : minimum delay between 2 crafts
local inputChestSide = "top"    -- string : side where is the input chest
local inputChest                -- table : peripheral, input chest
local outputChestSide = "up"    -- string : side where is the output chest compared to input chest
local redstoneSide = "front"    -- string : side where redstoen should be input
--local cauldronSide = "right"    -- sting : side where the cauldron is
local cauldron                  -- table : peripheral, cauldron

--- FUNCTIONS ---
local function loadAPI()
    if not fs.exists("lib/inventory") then
        error("File not found : [lib/inventory]")
    end
    os.loadAPI("lib/inventory")
end

local function init()
    inputChest = peripheral.wrap(inputChestSide)
    if inputChest == nil then
        error("No container found on side : [" .. inputChestSide .. "]")
    end
    cauldron = peripheral.find("witchery_cauldron")
    if cauldron == nil then
        error("No cauldron found.")
    end
end

local function process()
    if inventory.containsItem(inputChest) and
    redstone.getInput(redstoneSide) and
    cauldron.getTankInfo()["contents"]["name"] == "water" then
        inventory.moveAllItems(inputChest, outputChestSide, 1)
    end
end

--- MAIN ---
local function main()
    loadAPI()
    init()
    while true do
        process()
        sleep(1)
    end
end

main()