Handprint Scanner - OC

-----APIS----
local component = require("component")
local event = require("event")
local fs = require("filesystem")
local shell = require("shell")
local os = require("os")
local sides = require("sides")
local rs = component.redstone
local gpu = component.gpu
local screen_list = {}
local conf = nil
-------------
------Variables-----
local Users = { "PandaJade" }
local Locked = true
local UsingBlock = false
local BlockAddress = nil
local OutputSide = 0

function Main()
    if (conf.GetConfig("Security.cfg", 1) == true) then
        UsingBlock = true
        BlockAddress = component.proxy(component.get(conf.GetConfig("Security.cfg", 3), "redstone"))
    end
    for k,v in component.list("screen") do
        table.insert(screen_list, k)
    end
    INDEX = 1
    OutputSide = conf.GetSide(conf.GetConfig("Security.cfg", 2))
    for k,v in pairs(screen_list) do
        gpu.bind(v)
        gpu.setResolution(40, 20)
        gpu.fill(1, 1, 40, 20, " ")
        gpu.setForeground(0x00FFFF)
        gpu.set(2, 1, "Jades's Handprint Identificator v1.1")
        INDEX = INDEX + 1
    end
    Paint()
    Listen()
end

function lock()
Locked = true
Paint()
end

function Paint()
local Color = 0xFF0000
    if (Locked == false) then
        gpu.setForeground(0x00FF00)
    else
        gpu.setForeground(0xFF0000)
    end
    gpu.set(17, 5, "_ _ _")
    gpu.set(16, 6, "| | | |_")
    gpu.set(16, 7, "| | | | |")
    gpu.set(15, 8, "_| | | | |")
    gpu.set(14, 9, "| | | | | |")
    gpu.set(14, 10, "| |       |")
    gpu.set(14, 11, "\\         |")
    gpu.set(15, 12, "\\        |")
    gpu.set(16, 13, "\\      /")
    gpu.set(17, 14, "|    |")
    gpu.fill(1, 16, 40, 1, " ")
    if (Locked == false) then
        gpu.set(14, 16, "Access Granted")
    else
        gpu.set(17, 16, "Locked")
    end
    if (Locked == false) then
        if (UsingBlock) then
            BlockAddress.setOutput(OutputSide, 255)
        else
            rs.setOutput(OutputSide, 255)
        end
        os.sleep(10)
        lock()
    else
        if (UsingBlock) then
            BlockAddress.setOutput(OutputSide, 0)
        else
            rs.setOutput(OutputSide, 0)
        end
    end
end

function Listen()
    while true do
    local id, address, side, _, __, Name2 = event.pullMultiple("touch", "redstone_changed")
    if (id == "touch") then
        Animate()
        gpu.setBackground(0x000000)
            local Granted = false
            for _, OK in ipairs(Users) do
                if (Name2 == OK) then
                    Granted = true
                    break
                end
            end
            if (Granted == true) then
                if (Locked == true) then
                    Locked = false
                end
            end
            Paint()
    elseif (id == "redstone_changed") then
    ---OVERRIDE
        if not (OutputSide == side) then
            Locked = false
            Paint()
        end
    end
    end
end

function Animate()
        gpu.fill(1, 16, 40, 1, " ")
        gpu.set(16, 16, "Scanning...")
        local Y = 4
        while true do
            Y = Y + 1
                gpu.setBackground(0xFFFF00)
                if (Y ~= 16) then
                    gpu.fill(1, Y, 40, 1, " ")
                end
                gpu.setBackground(0x000000)
                if (Y > 2) and (Y ~= 17) then
                    gpu.fill(1, Y-1, 40, 1, " ")
                end
                if (Y == 6) then
                    gpu.set(17, 5, "_ _ _")
                end
                if (Y == 7) then
                    gpu.set(16, 6, "| | | |_")
                end
                if (Y == 8) then
                    gpu.set(16, 7, "| | | | |")
                end
                if (Y == 9) then
                    gpu.set(15, 8, "_| | | | |")
                end
                if (Y == 10) then
                    gpu.set(14, 9, "| | | | | |")
                end
                if (Y == 11) then
                    gpu.set(14, 10, "| |       |")
                end
                if (Y == 12) then
                    gpu.set(14, 11, "\\         |")
                end
                if (Y == 13) then
                    gpu.set(15, 12, "\\        |")
                end
                if (Y == 14) then
                    gpu.set(16, 13, "\\      /")
                end
                if (Y == 15) then
                    gpu.set(17, 14, "|    |")
                end
            os.sleep(0.1)
            if (Y == 16) then
                break
            end
        end
end

function CheckAPI()
    if not fs.exists("lib/API_Config.lua") then
        print("[API NOT FOUND: Config] Attempting To Download...")
        shell.execute("pastebin get TPBGxPrZ /lib/API_Config.lua")
    end
    conf = require("API_Config")
    ----LOADING CONFIG-----
    if not conf.ConfigExists("Security.cfg") then
        conf.EditConfig("Security.cfg", 1, "Using Redstone Block: ", "Boolean")
        if (conf.GetConfig("Security.cfg", 1) == true) then
            conf.EditConfig("Security.cfg", 2, "Redstone Output: ", "Direction")
            conf.EditConfig("Security.cfg", 3, "Redstone Block Address: ", "Direction")
        else
            conf.EditConfig("Security.cfg", 2, "Redstone Output: ", "Facing")
        end

    end
    if conf.GetConfig("Security.cfg", 1) == nil then print("CONFIGURATION REQUIRED!") conf.EditConfig("Security.cfg", 1, "Using Redstone Block: ", "Boolean") end
    if conf.GetConfig("Security.cfg", 2) == nil then
        print("CONFIGURATION REQUIRED!")
        if (conf.GetConfig("Security.cfg", 1) == true) then
            conf.EditConfig("Security.cfg", 2, "Redstone Output: ", "Direction")
        else
            conf.EditConfig("Security.cfg", 2, "Redstone Output: ", "Facing")
        end
    end
    if (conf.GetConfig("Security.cfg", 1) == true) then
        if conf.GetConfig("Security.cfg", 3) == nil then print("CONFIGURATION REQUIRED!") conf.EditConfig("Security.cfg", 3, "Redstone Block Address: ", "String") end
    end
    Main()
end

CheckAPI()