Mining

-- mining <distancia>


local arguments = {...}
local current_fuel = turtle.getFuelLevel()
local necessary_fuel = 4*arguments[1]

local total_torches = 0
local count_tourch = 0
local put_tourch = 5



-- Anti bug
if #arguments ~= 1 then print("mining <distancia>") return end
if tonumber(arguments[1]) < 1 then print("Digite um valor válido.") return end

if current_fuel < necessary_fuel then
    turtle.refuel(necessary_fuel)
    if current_fuel < necessary_fuel then
        print("Preciso de "..(necessary_fuel-current_fuel).." combustíveis para iniciar.")
        return
    end
end

for i=1, 16 do
    turtle.select(i)

    local item = turtle.getItemDetail(i, true)

    if item ~= nil then
        if item.name == "minecraft:torch" then
            total_torches = total_torches + item.count
        end
    end
end

if tonumber(string.format("%.0f", tostring(arguments[1]/put_tourch))) > total_torches then
    print("Eu preciso de "..tonumber(string.format("%.0f", tostring(arguments[1]/put_tourch))) - total_torches.." tochas para começar.")
    return
end

print("Combustivel atual: "..turtle.getFuelLevel())
print("Necessario: "..necessary_fuel)
print("Iniciando...")

-- Main loop
for i=1, arguments[1] do

    if turtle.detect() then
        turtle.dig("right")
    end
    turtle.forward()

    if turtle.detectDown() then
        turtle.digDown("right")
    end
    turtle.down()

    if turtle.detectDown() then
        turtle.suckDown()
    else
        for i=1, 16 do
            turtle.select(i)

            local item = turtle.getItemDetail(i, true)

            if item ~= nil then
                if item.name == "minecraft:cobblestone" then
                    turtle.placeDown()
                    break
                end
            end
        end
    end
    turtle.up()

    if count_tourch == put_tourch then

        for i=1, 16 do
            turtle.select(i)

            local item = turtle.getItemDetail(i, true)

            if item ~= nil then
                if item.name == "minecraft:torch" then
                    turtle.placeDown("minecraft:torch")
                    count_tourch = 0
                    break
                end
            end
        end

    end
    count_tourch = count_tourch + 1
end

turtle.turnLeft()
turtle.turnLeft()

for i=1, arguments[1] do
    turtle.forward()
end

print("Mineração concluida com sucesso.")