Mining Turtle - New Quarry

-- Turtle Position
posX, posY, posZ = 0, 0, 0
depth = 1
startDepth = 0

-- Y-Level to stop At
stopY = 0

-- Chest info
cardinalChest = ""

-- Direction to mine
turtleTurn = ""

-- Distance to mine
length = 0

-- Amount of strips to mine
width = 0

-- Torch & Line Count
count = 0
lineCount = 0

term.clear()
print("Existing parameters include:")
print("1) You must have the turtle and chest on one of the same axes.")
print("2) The turtle must be moving in the same direction that the chest opens.")
print("3) Place at least 1 coal in the 1st slot.")
print("4) You must enter an even number for width.")
print("---------------------------------------")
local x = term.write("Press [Enter] to Continue")
x = read()
term.clear()


-- term.write("What is the turtle's X? ")
-- posX = read()
-- term.write("What is the turtle's Z? ")
-- posZ = read()

-- term.write("What is the chest's X? ")
-- chestX = read()
-- term.write("What is the chest's Z? ")
-- chestZ = read()

term.write("Starting Y-Level: ")
posY = tonumber(read())

term.write("Stopping Y-Level: ")
stopY = tonumber(read())

term.write("Blocks beneath the chest? ")
startDepth = read()
if startDepth == nil or startDepth == '' then
    startDepth = 0
end
depth = depth + startDepth

term.write("Which way do you want to mine? ")
print("Enter 'r' or 'l'")
turtleTurn = read()
if turtleTurn == "r" then
    cardinalChest = "l"
else
    cardinalChest = "r"
end

term.write("Width: ")
width = tonumber(read())

term.write("Length: ")
length = tonumber(read()) - 1

function turnBack()
    if turtleTurn == "r" then
        turtle.turnRight()
        turtle.dig()
        turtle.forward()
        turtle.digUp()
        turtle.digDown()
        turtle.turnRight()
    else
        turtle.turnLeft()
        turtle.dig()
        turtle.forward()
        turtle.digUp()
        turtle.digDown()
        turtle.turnLeft()
    end
end

function turnForward()
    if turtleTurn == "r" then
        turtle.turnLeft()
        turtle.dig()
        turtle.forward()
        turtle.digUp()
        turtle.digDown()
        turtle.turnLeft()
    else
        turtle.turnRight()
        turtle.dig()
        turtle.forward()
        turtle.digUp()
        turtle.digDown()
        turtle.turnRight()
    end
end

function isAllthemodiumUp()
    for i = 1, 5, 1 do
        turtle.digUp()
        turtle.up()
    end
    for i = 1, 5, 1 do
        turtle.dig()
        turtle.forward()
    end
    for i = 1, 5, 1 do
        turtle.digDown()
        turtle.down()
    end
end

function isAllthemodiumDown()
    for i = 1, 5, 1 do
        turtle.digDown()
        turtle.down()
    end
    for i = 1, 5, 1 do
        turtle.dig()
        turtle.forward()
    end
    for i = 1, 5, 1 do
        turtle.digUp()
        turtle.up()
    end
end

function tunnel(extraDistance)
    i = 0
    print("extraDistance: ", extraDistance)
    totalDistance = length + extraDistance
    while i < totalDistance do
        local isBlock, data = turtle.inspect()
        if string.find(textutils.serialise(data.name), "allthemodium_ore") then
            local isBlock, data = turtle.inspectUp()
            if string.find(textutils.serialise(data.name), "allthemodium_ore") then
                isAllthemodiumDown()
            else
                isAllthemodiumUp()
            end
            i = i + 5
        else
            turtle.dig()
            turtle.forward()
            i = i + 1
        end
        turtle.digUp()
        turtle.digDown()
    end
    if i > length then
        print("length - i", i - length)
        return (i - length)
    else
        return 0
    end
end

function drop()
    coal = turtle.getItemCount(1)
    if coal > 1 then
        halfCoal = math.floor(coal / 2)
        turtle.drop(halfCoal)
    end
    for i=2, 16, 1 do
        turtle.select(i)
        turtle.drop()
    end
end

function moveForward()
    while turtle.detect() == false do
        turtle.forward()
        turtleSteps = turtleSteps + 1
    end
    local isBlock, data = turtle.inspect()
    if string.find(textutils.serialise(data.name), "chest") then
        drop()
    else
        turtle.dig()
        turtle.forward()
        turtle.digUp()
        turtleSteps = turtleSteps + 1
        moveForward()
    end
end

function chest(width, depth)
    turtleSteps = 0
    if cardinalChest == "r" then
        turtle.turnRight()
    else
        turtle.turnLeft()
    end
    for i=1, depth, 1 do
        turtle.up()
    end
    moveForward()
    if turtleSteps >= width - 1 then
        if cardinalChest == "r" then
            turtle.turnLeft()
        else
            turtle.turnRight()
        end
        for i=1, depth + 2, 1 do
            turtle.digDown()
            turtle.down()
        end
    else
        for i=1, depth, 1 do
            turtle.down()
        end
        turtle.turnRight()
        turtle.turnRight()
        for i=1, turtleSteps, 1 do
            turtle.forward()
        end
        if cardinalChest == "r" then
            turtle.turnRight()
        else
            turtle.turnLeft()
        end
    end
end

function refuel()
    turtle.select(1)
    fuel = turtle.getItemCount(1)
    if fuel > 1 then
        turtle.refuel(fuel - 1)
    end
    local fuel = 0
    local fuel = turtle.getFuelLevel()
    print("Fuel remaining:")
    print(fuel)
end

timeStart = os.time("utc") * 3600

while true do
    linesCompleted = 0
    extraDistance = 0
    turtle.digDown()
    turtle.down()
    turtle.digDown()
    for i=1, (width / 2), 1 do
        extraDistance = tunnel(extraDistance)
        turnBack()
        extraDistance = tunnel(extraDistance)
        if linesCompleted ~= width - 2 then
            turnForward()
        else
            turtle.turnLeft()
            turtle.turnLeft()
        end
        linesCompleted = linesCompleted + 2
    end
    chest(width, depth)
    refuel()
    print("Currently on level: "..posY - 1)
    depth = depth + 3
    if posY <= stopY then
        if cardinalChest == "r" then
            turtle.turnRight()
        else
            turtle.turnLeft()
        end
        for i=1, depth, 1 do
            turtle.up()
        end
        break
    end
    posY = posY - 3
end
timeEnd = os.time("utc") * 3600
totalTime = math.ceil((timeEnd - timeStart) / 60)
print("The turtle took: " .. totalTime .. " minutes to complete")
print("Turtle has reached level -57 and completed the quarry")