Mine Test

--Local
local distance = 0 -- How Far Did User Pick
local depth = 0
local depthInput = 0
local returnDepth = 0
local ItemFuel = turtle.getItemCount(1) -- How many items are in slot 3 (Fuel)
local Fuel = 0 -- if 2 then it is unlimited no fuel needed
local NeedFuel = 0 -- If Fuel Need Then 1 if not Then 0
local Error = 0 -- 0 = No Error and 1 = Error
local MD = 3 -- How Many Blocks Apart From Each Mine
local MineTimes = 0 -- If Multi Mines Are ON then This will keep Count
local Way = 0 -- 0 = Left and 1 = Right

--Checking
local function Check()
    if ItemFuel == 0 then
        print("No Fuel Items")
        error = 1
    else
        print("there is fuel")
    end
    repeat
        if turtle.getFuelLevel() == "unlimited" then
            print("NO NEED FOR FUEL")
            Needfuel = 0
        elseif turtle.getFuelLevel() < 100 then
            turtle.select(1)
            turtle.refuel(1)
            Needfuel = 1
            ItemFuel = ItemFuel - 1
        elseif NeedFuel == 1 then
            Needfuel = 0
        end
    until NeedFuel == 0
end

-- Recheck if user forget something turtle will check after 15 sec
local function Recheck()
    ItemFuel = turtle.getItemCount(1)
    Error = 0
end

--Mining
local function ForwardM()
    repeat
        if turtle.detect() then
            turtle.dig()
        end
        if turtle.forward() then -- sometimes sand and gravel and block and mix-up distance
            TF = TF - 1
        end
        if turtle.detectUp() then
            turtle.digUp()
        end
        repeat
            if turtle.getFuelLevel() == "unlimited" then
                print("NO NEED FOR FUEL")
                Needfuel = 0
            elseif turtle.getFuelLevel() < 100 then
                turtle.select(1)
                turtle.refuel(1)
                Needfuel = 1
                ItemFuel = ItemFuel - 1
            elseif ItemFuel == 0 then
                print("turtle run out of fuel")
                os.shutdown()
            elseif NeedFuel == 1 then
                Needfuel = 0
            end
        until NeedFuel == 0
    until TF == 0
end

-- Mine backwards
local function Backwards() -- To make turn around so it can go back
    turtle.turnLeft()
    turtle.turnLeft()
    turtle.digDown()
    turtle.down()
    turtle.digDown()
    turtle.down()
repeat
        if turtle.detect() then
            turtle.dig()
        end
        if turtle.forward() then -- sometimes sand and gravel and block and mix-up distance
            TB = TB - 1
        end
        if turtle.detectUp() then
            turtle.digUp()
        end
        repeat
            if turtle.getFuelLevel() == "unlimited" then
                print("NO NEED FOR FUEL")
                Needfuel = 0
            elseif turtle.getFuelLevel() < 100 then
                turtle.select(1)
                turtle.refuel(1)
                Needfuel = 1
                ItemFuel = ItemFuel - 1
            elseif ItemFuel == 0 then
                print("turtle run out of fuel")
                os.shutdown()
            elseif NeedFuel == 1 then
                Needfuel = 0
            end
        until NeedFuel == 0
    until TB == 0
    turtle.turnRight()
    turtle.turnRight()
    turtle.digDown()
    turtle.down()
    turtle.digDown()
    turtle.down()
end

-- Multimines Program
local function MultiMines()
        if Way == 0 then
                turtle.turnLeft()
        else
                turtle.turnRight()
        end
        repeat
                if turtle.detect() then
                        turtle.dig()
                end
                if turtle.forward() then
                        MD = MD - 1
                end
                if turtle.detectUp() then
                        turtle.digUp()
                end
        until MD == 0
        if Way == 0 then
                turtle.turnLeft()
                if turtle.detect() then
                    turtle.dig()
                end
                turtle.forward()
                turtle.turnRight()
                turtle.turnRight()
        else
                turtle.turnRight()
                if turtle.detect() then
                    turtle.dig()
                end
                turtle.forward()
                turtle.turnLeft()
                turtle.turnLeft()
        end
        if MineTimes == 0 then
                print("Turtle is done")
        else
                MineTimes = MineTimes - 1
        end
end

-- Restart
local function Restart()
    TF = distance
    TB = distance - 1
    MD = 3
end

-- Starting
function Start()
    repeat
        repeat
            depth = depth - 2
                ForwardM()
                Backwards()
                Restart()
        until depth <= 0
        repeat
            if turtle.detectUp() then
                turtle.digUp()
            end
            turtle.up()
            returnDepth = returnDepth - 1
        until returnDepth == 0
        depth = depthInput
        returnDepth = depthInput + 2
        MultiMines()
    until MineTimes == 0
end

-- Start
print("Hi There Welcome to Mining Turtle Program")
print("How Far Will Turtle Go")
input = io.read()
distance = tonumber(input)
TF = distance
TB = distance - 1
print("How Deep?")
input1 = io.read()
depthInput = tonumber(input1)
depth = depthInput
returnDepth = depthInput + 2
print("Left or Right")
print("0 = Left and 1 = Right")
input2 = io.read()
Way = tonumber(input2)
print("How Many Times")
input3 = io.read()
MineTimes = tonumber(input3)
Check()
if Error == 1 then
    repeat
        sleep(10)
        Recheck()
        Check()
    until Error == 0
end
Start()