chests

--API simplifying the use of embedded chests

--init slots table
slots = {["coal"] = 16, ["signal"] = 16, ["sort"] = 16}
print("All slots initialized to 16.")
for key, value in pairs(slots) do
  print(key.." : "..value)
end


--CHEST UTILS INTERNAL FUNCTION
local function refuel(side)
  print("[FUEL] refuel with at least a stack of charcoal.")
  turtle.select(1)
  --Wait for a full stack and refuel
  while ( turtle.getItemCount(1) < 64 ) do
    if side == "top" then
      turtle.suckUp()
    elseif side == "down" then
      turtle.suckDown()
    elseif side == "front" then
      turtle.suck()
    else
      return false
    end
  end
  turtle.refuel()
  turtle.select(2)
  turtle.refuel()
  turtle.select(1)
  return true
end


local function wait4Signal(side)
  print("[SIGNAL] wait4Signal (Redstone Torch).")
  local chest = peripheral.wrap(side)
  local nbSlot = chest.getInventorySize()
  while true do
    for i = 1,nbSlot do
      local tableInfo = chest.getStackInSlot(i)
      if tableInfo ~= nil then
        for key, value in pairs(tableInfo) do
          if (key ~= "ench") then
            print(key.." - "..value)
          end
          if ( key == "name" and value == "Redstone Torch") then -- Find Mining signal
            print("Redstone Torch found! Sending operation to workers!")
            return true
          end
        end
      end
    end
    sleep(5)
  end
end



local function useChest(chestType, side)
  --print("DEBUG useChest - chestType : "..chestType..", side : "..side)
  if chestType == "coal" then
    print("[INV] Providing Coal chest.")
    slot = slots["coal"]
  elseif chestType == "signal" then
    print("[INV] Providing Signal chest.")
    slot = slots["signal"]
  elseif chestType == "sort" then
      print("[INV] Providing Sorting chest.")
      slot = slots["sort"]
  else
    return false
  end

  --PLACE CHEST
  turtle.select(slot)
  if side == "top" then
    while ( turtle.detectUp() ) do
      turtle.digUp()
    end
    print("[INV] placing chest on top.")
    while ( not turtle.placeUp() ) do
      sleep(1)
    end
  elseif side == "down" then
    while ( turtle.detectDown() ) do
      turtle.digDown()
    end
    print("[INV] placing chest under.")
    while ( not turtle.placeDown() ) do
      sleep(1)
    end
  elseif side == "front" then
    while ( turtle.detect() ) do
      turtle.dig()
    end
    print("[INV] placing chest in front.")
    while ( not turtle.place() ) do
      sleep(1)
    end
  else
  end

  --USE CHEST
  if chestType == "signal" then
    wait4Signal(side)
  elseif chestType == "coal" then
    refuel(side)
  elseif chestType == "sort" then
    print("TODO : redo sort process")
  else
    return false
  end

  --STORE CHEST
  print("[INV] retrieving chest.")
  turtle.select(slot)
  while ( turtle.getItemCount(slot) == 0 ) do
    if side == "top" then
      turtle.digUp()
    elseif side == "down" then
      turtle.digDown()
    elseif side == "front" then
      turtle.dig()
    else
      return false
    end
    sleep(1)
  end

  turtle.select(1)
  return true
end

--CHEST UTILS USER FUNCTION
function useCoalChest(side)
  --print("DEBUG useCoalChest - side : "..side)
  return useChest("coal", side)
end

function useSignalChest(side)
  --print("DEBUG useSignalChest - side : "..side)
  return useChest("signal", side)
end