EnderEnder

--Constants!


--Variables!

local choiceCheck = ""
local refuelCheck = ""
local refuelExit = ""
local fuelLevel = ""
local pathBlocks = ""
local pathA = ""
local pathBlockCheckA, pathBlockCheckB, pathBlockCheckC = 0, 0, 0
local pathBlockCheckA2, pathBlockCheckB2, pathBlockCheckC2 = 0, 0, 0
local pathSlot = 1
--Functions!

function clear()
    term.clear()
    term.setCursorPos(1,1)
end

function invalidChoice()
    print("")
    print("Invalid Choice, try again...")
    sleep(2.5)
    choiceCheck = ""
    menuScreen()
end

function refuel()
    fuelLevel = turtle.getFuelLevel()
    if fuelLevel <= 20 then
        turtle.select(16)
        refuelCheck = turtle.getItemCount(16)
        if tonumber(refuelCheck) > 0 then
            turtle.refuel(refuelCheck)
        else
            enterFuel()
        end
    refuelCheck = ""
    end
end

function enterFuel()
    clear()
    while turtle.getItemCount(16) <=0 do
        clear()
        print("This turtle needs fuel to continue...")
        print("Place fuel in slot 16 and press any key to continue, or type 'end' to exit.")
        refuelExit = io.read()
        if refuelExit == "end" then
            menuScreen()
        else
            refuel()
        end
    end
end

function pathMath()
    pathA = math.ceil(pathBlocks)
end

function pathMath2()
    pathBlockCheckA2 = pathA - pathBlockCheckA
    pathBlockCheckB2 = pathA - pathBlockCheckB
    pathBlockCheckC2 = pathA - pathBlockCheckC
end

function checkPathBlocks()
    pathBlockCheckA = 0
    pathBlockCheckB = 0
    pathBlockCheckC = 0
    for i = 1,5 do
        pathBlockCheckA = pathBlockCheckA + (turtle.getItemCount(i))
    end
    for i = 6,10 do
        pathBlockCheckB = pathBlockCheckB + (turtle.getItemCount(i))
    end
    for i = 11,15 do
        pathBlockCheckC = pathBlockCheckC + (turtle.getItemCount(i))
    end
end

function pathBuilderFinalCheck()
    print("Press any key once this has been completed to begin the program...")
    io.read()
    checkPathBlocks()
    if (pathBlockCheckA >= pathA) and (pathBlockCheckB >= pathA) and (pathBlockCheckC >= pathA) then
        pathBuilderCorrect()
    else
        pathBuilderWrong()
    end
end

function pathBuilderCorrect()
    clear()
    print("You've placed the necessary amount of blocks.")
    refuel()
    print("Beginning Program")
    operationPath()
end

function pathBuilderWrong()
    clear()
    print("You haven't entered the necessary amount of blocks...")
    print("")
    print("You have placed the following:")
    print("Block 1 = "..pathBlockCheckA.." Block 2 = "..pathBlockCheckB.." Block 3 = "..pathBlockCheckC)
    pathMath2()
    print("")
    print("You still need to place the following:")
    print("Block 1 = "..pathBlockCheckA2.." Block 2 = "..pathBlockCheckB2.." Block 3 = "..pathBlockCheckC2)
    print("")
    pathBuilderFinalCheck()
end

function operationPath()

end

--Programs!

function menuScreen()
    clear()
    print("Welcome to the EnderEnder Builder!")
    print("")
    print("Please select one of the following by typing either:")
    print("")
    print("'A' for the Path Builder program.")
    print("'B' for the Base Builder program.")
    print("'C' for the Frame Builder program.")

    term.write("Enter A, B or C: ")
    choiceCheck = io.read()

    if choiceCheck == "A" then
        pathBuilder()
    elseif choiceCheck == "B" then
        baseBuilder()
    elseif choiceCheck == "C" then
        frameBuilder()
    else
        invalidChoice()
    end
end

function pathBuilder()
    refuel()
    clear()
    print("You chose the Path Builder.")
    print("")
    print("This program creates a 3 block wide path a specified number of blocks out.")
    print("You can have a different block for one of each 'strip' along the path")
    print("These blocks should go in the slots specified later. Press any key to continue... ")
    io.read() clear() print("You chose the Path Builder.")
    print("")
    print("Please enter then number of blocks out you'd like to build (Up to 300): ")
    pathBlocks = io.read()
    tonumber(pathBlocks)
    pathMath()
    clear() print("You chose the Path Builder.")
    print("")
    print("Please place "..pathA.." of your selected blocks in slots 1-5 for strip A, 6-10 for strip B and 11-15 for strip C.")
    print("Also, place any fuel in slot 16")
    print("")
    pathBuilderFinalCheck()
end

function baseBuilder()
    refuel()
    clear()
    print("You chose the Base Builder.")
end

function frameBuilder()
    refuel()
    clear()
    print("You chose the Frame Builder.")
end


--Main Loop:

menuScreen()

print("This should type when done correctly")
io.read() os.reboot()