Soon to be Smart trutle [WIP]

local fcount = 0
local mcount = 0
local lcount = 0
local SRcount = 0
local SLcount = 0
local SFcount = 0
local fuellevel = turtle.getFuelLevel()
local procends = 0

function getcoal() ---Refueling funciton--
turtle.select(1)
fuellevel = turtle.getFuelLevel()
Local I2count = turtle.getItemCount()
    if fuellevel < 1000 then
        I3count = 64 - I2count
        turtle.suckUp( I3count )
turtle.refuel( 1,5 )
end

function ymine1()
    turtle.turnLeft()
    turtle.dig()
    turtle.digUp()
    turtle.digDown()
    turtle.forward()
    turtle.dig
    turtle.digUp()
    turtle.digDown()
    turtle.forward()
end

function Ymine()
    turtle.dig()
    turtle.forward()
    turtle.turnLeft()
    turtle.dig()
    turtle.forward()
    ymine1()
    ymine1()
    turtle.turnLeft()
    turtle.dig()
    turtle.forward()
    turtle.turnRight()
end


function Downmine()
Dcount = Dcount + 1
turtle.select(16)
local Icount = turtle.getItemCount()
    if Icount == 0 then
        turtle.select(16)
        Icount = turtle.getItemCount()
        turtle.select(1)
        turtle.Down()
        tutle.digDown()
        turtle.Down()
        tutle.digDown()
        turtle.Down()
        tutle.digDown()
        Ymine()
    end
end

function Inventory() ---Tier 1 Mining Function---
turtle.select(16)
        local Icount = turtle.getItemCount()
            if Icount == 0 then
                turtle.select(16)
                Icount = turtle.getItemCount()
                turtle.select(1)
                fcount = fcount + 1
                turtle.turnLeft()
                Dig()
                turtle.back()
                turtle.turnRight()
                turtle.turnRight()
                Dig()
                turtle.back()
                turtle.turnLeft()
                turtle.digUp()
                turtle.digDown()
                turtle.dig()
                turtle.forward()
            end
end

function home()
    repeat
                turtle.back()
                fcount = fcount - 1
                until fcount == 0
end

function Dropoff()
    for I= 2, 16, 1 do
        turtle.select(I)
        turtle.dropDown()
    end
end

function fuel()
    local fuellevel = turtle.getFuelLevel()
        if fuellevel < fcount + 5 then
            turtle.select(1)
            turtle.refuel( 1, 10 )
        end
        if fuellevel < fcount + 10 then
            local procends = 1
            repeat
                turtle.back()
                fcount = fcount - 1
                until fcount == 0
            Dropoff()
        end
end


function Dig()
    if turtle.detect() then
        repeat
        turtle.dig()
        local gravel = turtle.detect()
            until gravel == false
        end
        turtle.forward()
            if turtle.detectUp() then
                turtle.digUp()
                if turtle.detectDown() then
                    turtle.digDown()
                end
            end
        end


function miningJobF()
    while Icount == 0 and procends == 0 do
        Inventory()
        SFcount = SFcount +1
        fuel()
    end
home()
end

function miningJobR()
    while Icount == 0 and procends == 0 do
        Inventory()
        fuel()
    end
home()
SRcount = SRcount + 3
end

function miningJobL()
    while Icount == 0 and procends == 0 do
        Inventory()
        fuel()
    end
home()
SLcount = SLcount +3
end

function movement()
    repeat
        if turtle.detect() == false then
            turtle.forward()
            fcount = fcount + 1
        end
    until turtle.detect() == true

end

function NewtunnelFOW()
    TSF = SFcount
    repeat
        turtle.dig()
        turtle.forward()
        TSF = TSF - 1
    until TSF == SFcount or TSF < 0 or turtle.detect() == true

end

function NewtunnelLEF()
    TSL = SLcount
    repeat
        turtle.forward()
        lcount = lcount + 1
        TSL = TSL - 1
    until TSL == SLcount or TSL < 0  or turtle.detect() == true
        turtle.turnLeft()
       movement()
end

function NewtunnelRIG()
    TSR = SRcount
    repeat
        turtle.forward()
        lcount = lcount + 1
        TSR = TSR - 1
    until TSR == SRcount or TSR < 0  or turtle.detect() == true
        turtle.turnRight()
    movement()
end

function Straight()
    getcoal()
    procends = 0
    Icount = 0
    NewtunnelFOW()
    miningJobF()
end

function Lefttime()
    getcoal()
    procends = 0
    Icount = 0
    NewtunnelLEF()
    miningJobL()
end

function Righttime()
    getcoal()
    procends = 0
    Icount = 0
    NewtunnelRIG()
    miningJobR()
end

function logicish()
    if SFcount == 0 then
        Straight()
    end
    if SRcount == SFcount then
        if SFcount == SLcount then
            local function RN()
                local rand = math.random(1,3)
                return rand
            end
            local num = RN()
        end
    end
    if num == 1 then
        Stright()
    end
    if num == 2 then
        Righttime()
    end
    if num == 3 then
        Lefttime()
    end
    if SFcount < SRcount and SFcount < SLcount then
        Stright()
    end
    if SRcount < SFcount and SRcount < SLcount then
        Righttime()
    end
    if SLcount < SFcount and SLcount < SRcount then
        Lefttime()
    end
    if SLcount == SRcount and SLcount < SFcount then
        local  function RN()
            local rand = math.random(1,2)
            return rand
        end
        local num = RN()
    end
    if num == 1 then
        Lefttime()
    end
    if num == 2 then
        Righttime()
    end
    if SFcount == SRcount and SRcount < SFcount then
        local  function RN()
            local rand = math.random(1,2)
            return rand
        end
        local num = RN()
    end
    if num == 1 then
        Stright()
    end
    if num == 2 then
        Righttime()
    end
    if SFcount == SLcount and SLcount < SRcount then
        local  function RN()
            local rand = math.random(1,2)
            return rand
        end
        local num = RN()
    end
    if num == 1 then
        Lefttime()
    end
    if num == 2 then
        Stright()
    end
end

local X = 1

while X == 1 do
    logicish()
end