local obsidianOS = require("obsidianOS")

-- Example encryption/decryption
local data = "Hello, world!"
local key = "secretkey"
local encryptedData = obsidianOS.encrypt(data, key)
local decryptedData = obsidianOS.decrypt(encryptedData, key)
print("Original: " .. data)
print("Encrypted: " .. encryptedData)
print("Decrypted: " .. decryptedData)

-- Example compression/decompression
local serializedData = textutils.serialize({a = 1, b = 2, c = 3})
local compressedData = obsidianOS.compress(serializedData)
local decompressedData = obsidianOS.decompress(compressedData)
print("Original: " .. serializedData)
print("Compressed: " .. compressedData)
print("Decompressed: " .. decompressedData)

-- Example writeTixel starting from the bottom left
local monitor = peripheral.find("monitor") or term

local function writeTixelsFromBottomLeft(monitor)
    local width, height = monitor.getSize()
    local colorsList = {
        colors.white, colors.orange, colors.magenta, colors.lightBlue,
        colors.yellow, colors.lime, colors.pink, colors.gray,
        colors.lightGray, colors.cyan, colors.purple, colors.blue,
        colors.brown, colors.green, colors.red, colors.black
    }

    local colorIndex = 1
    for y = height, 1, -1 do
        for x = 1, width do
            local color = colorsList[colorIndex]
            obsidianOS.writeTixel(x, y, color, monitor)
            colorIndex = colorIndex % #colorsList + 1
        end
    end
end

writeTixelsFromBottomLeft(monitor)