SuperMinerBot

-- Start

term.write("Insert length: ")
steps = tonumber(read())
print(" ")

term.write("Insert width: ")
width = tonumber(read())
print(" ")


-- Important stuff

steps = steps or 1
width = width or 0
local second = 0
local fuelslot = 1
local torchslot = 2
local chestslot = 3
local dirtslot = 4
local torch = 0
local chest = 0
local fuellevel = turtle.getFuelLevel()




-- function DIGBLOCK

    function digBlock()
            repeat
                    turtle.dig()
                    sleep(0.5)
            until not turtle.detect() == true
    end


 -- Required

    function refuel()
        if turtle.getFuelLevel() < 800 then
            turtle.select(1)
                    repeat
                            turtle.refuel(1)
                            sleep(0.5)
                    until turtle.getFuelLevel() > 1600
            turtle.select(5)
        end
    end

    function Chestre()
        if turtle.getItemCount(chestslot) < 2 then
            turtle.select(chestslot)
                repeat
                        turtle.getItemCount(chestslot)
                        sleep(0.5)
                until turtle.getItemCount(chestslot) >= 10
            turtle.select(5)
        end
    end


    function Torchre()
        if turtle.getItemCount(torchslot) < 2 then
            turtle.select(torchslot)
                repeat
                        turtle.getItemCount(torchslot)
                        sleep(0.5)
                until turtle.getItemCount(torchslot) >= 20
            turtle.select(5)
        end
    end



-- Begin Digging

print("Lets GO!")
repeat

                    refuel()
                    Chestre()
                    Torchre()
turtle.placeDown()
    repeat
    turtle.digUp()
    sleep(0.3)
    until turtle.up() == true
    repeat
    turtle.digUp()
    sleep(0.3)
    until turtle.up() == true
turtle.turnLeft()
turtle.dig()
turtle.turnRight()
turtle.turnRight()
turtle.dig()
turtle.down()
turtle.dig()
turtle.turnLeft()
turtle.turnLeft()
turtle.dig()
turtle.down()
digBlock()
turtle.turnRight()
turtle.turnRight()
digBlock()
turtle.turnLeft()

            for i = 1, steps do
                    refuel()
                    Chestre()
                    Torchre()
                    digBlock()
                    turtle.forward()
                    turtle.select(dirtslot)
                    turtle.placeDown()
                    repeat
                            turtle.digUp()
                            sleep(0.3)
                    until turtle.up() == true
                    repeat
                            turtle.digUp()
                            sleep(0.3)
                    until turtle.up() == true
                    turtle.turnLeft()
                    turtle.dig()
                    turtle.turnRight()
                    turtle.turnRight()
                    turtle.dig()
                    turtle.down()
                    turtle.dig()
                    turtle.turnLeft()
                    turtle.turnLeft()
                    turtle.dig()
                    turtle.down()
                    digBlock()
                    turtle.turnRight()
                    turtle.turnRight()
                    digBlock()
                    turtle.turnLeft()
                    torch = torch + 1
                    if torch == 10 then
                            turtle.turnLeft()
                            turtle.turnLeft()
                            turtle.select(torchslot)
                            turtle.place()
                            turtle.turnLeft()
                            turtle.turnLeft()
                            turtle.forward()
                            turtle.select(5)
                            torch = 0
                    end
                            chest = chest + 1
                    if chest == 30 then
                            turtle.turnLeft()
                            turtle.select(chestslot)
                            turtle.place()
                            for q=5,16 do turtle.select(q) turtle.drop() end
                            turtle.turnRight()
                            turtle.select(5)
                            chest = 0
                                    end

            -- Return

                                end
                                turtle.turnLeft()
                                turtle.turnLeft()
                                turtle.up()
                                for i = 1, steps do
                                        turtle.forward()
                                end

            -- With

            if width >= 1 then
                    turtle.turnLeft()
                    turtle.digDown()
                    turtle.down()
                            refuel()
                            digBlock()
                            turtle.forward()
                            turtle.select(4)
                            turtle.placeDown()

                            digBlock()
                            turtle.forward()

                    digBlock()
                    turtle.forward()
                    turtle.turnLeft()
                width = width - 1
            end


until width == 0