miner

-- CONFIG
local whitelist = {
  ["minecraft:coal_ore"] = true,
  ["minecraft:iron_ore"] = true,
  ["minecraft:gold_ore"] = true,
  ["minecraft:diamond_ore"] = true,
  ["minecraft:redstone_ore"] = true,
  ["minecraft:lapis_ore"] = true
}

local branchLength = 30
local branchesPerSide = 5
local fuelThreshold = 100

-- UTILS
function refuelIfNeeded()
  if turtle.getFuelLevel() < fuelThreshold then
    for i = 1, 16 do
      turtle.select(i)
      if turtle.refuel(1) then
        print("Refueled")
        break
      end
    end
  end
end

function inventoryFull()
  for i = 1, 16 do
    if turtle.getItemCount(i) == 0 then
      return false
    end
  end
  return true
end

function emptyInventory()
  print("Déchargement...")
  for i = 1, 16 do
    turtle.select(i)
    turtle.drop()
  end
end

function isValuable()
  local success, data = turtle.inspect()
  if success and whitelist[data.name] then
    return true
  end
  return false
end

function digSafe()
  if turtle.detect() then
    local success, data = turtle.inspect()
    if data and data.name == "minecraft:lava" then
      print("Lave détectée, évitée.")
      return false
    end
    turtle.dig()
  end
  return true
end

function mineForward()
  if digSafe() then
    turtle.forward()
  end
end

-- MINING LOGIC
function mineBranch()
  for i = 1, branchLength do
    if inventoryFull() then
      goBack(i)
      emptyInventory()
      returnToBranch(i)
    end
    if isValuable() then
      turtle.dig()
    end
    mineForward()
    turtle.digUp()
    turtle.digDown()
  end
  -- Retour à la galerie principale
  turtle.turnLeft()
  turtle.turnLeft()
  for i = 1, branchLength do
    turtle.forward()
  end
  turtle.turnRight()
end

function goBack(steps)
  turtle.turnLeft()
  turtle.turnLeft()
  for i = 1, steps do
    turtle.forward()
  end
  turtle.turnRight()
  turtle.turnRight()
end

function returnToBranch(steps)
  for i = 1, steps do
    mineForward()
  end
end

-- MAIN PROGRAM
refuelIfNeeded()

for side = 1, 2 do
  for b = 1, branchesPerSide do
    print("Branche "..b.." côté "..side)
    turtle.turnRight()
    mineForward()
    turtle.turnLeft()
    mineBranch()
  end
  -- Changement de côté
  turtle.turnLeft()
  turtle.turnLeft()
end

print("Minage terminé.")