-- Turtle Mining Program

-- Set the number of blocks the Turtle will mine
local distance = 10

-- Fuel check function
local function checkFuel()
    if turtle.getFuelLevel() < 1 then
        print("Out of fuel. Please refuel.")
        return false
    end
    return true
end

-- Mining function
local function mine()
    for i = 1, distance do
        -- Check fuel
        if not checkFuel() then
            break
        end

        -- Check and dig in front
        while turtle.detect() do
            turtle.dig()
        end

        -- Move forward
        if turtle.forward() then
            -- Dig below
            if turtle.detectDown() then
                turtle.digDown()
            end
        else
            print("Turtle cannot move forward.")
            break
        end
    end
end

-- Start the program
print("Starting Turtle mining program...")
mine()
print("Mining program complete.")