local component = require("component")
local computer = require("computer")
local filesystem = require("filesystem")

local function printstat(text)
  local cursorPosX, cursorPosY = terminal.getCursorPos()
  terminal.setCursorPos(35, cursorPosY)
  terminal.write(text .. "\n", false)
end

local logo = ""
local handle, tmpdata = filesystem.open("/halyde/config/oslogo.ans", "r"), nil
repeat
  tmpdata = handle:read(math.inf or math.maxinteger)
  logo = logo .. (tmpdata or "")
until not tmpdata

terminal.write(logo, false)
local cursorPosX, cursorPosY = terminal.getCursorPos()
terminal.setCursorPos(cursorPosX, cursorPosY - 17)
printstat("\27[92mOS\27[0m: " .. _OSVERSION)
printstat("\27[92mArchitecture\27[0m: " .. _VERSION)
local componentCounter = 0
for _, _ in component.list() do
  componentCounter = componentCounter + 1
end
printstat("\27[92mComponents\27[0m: " .. tostring(componentCounter))
printstat("\27[92mCoroutines\27[0m: " .. tostring(#tsched.getTasks()))
printstat(
  "\27[92mBattery\27[0m: " .. tostring(math.floor(computer.energy() / computer.maxEnergy() * 1000 + 0.5) / 10) .. "%"
)
local totalMemory = computer.totalMemory()
local usedMemory = computer.totalMemory() - computer.freeMemory()
local totalMemoryString
if convert(totalMemory, "B", "GiB") >= 1 then
  totalMemoryString = tostring(math.floor(convert(totalMemory, "B", "GiB") * 100 + 0.5) / 100) .. " GiB"
elseif convert(totalMemory, "B", "MiB") >= 1 then
  totalMemoryString = tostring(math.floor(convert(totalMemory, "B", "MiB") * 100 + 0.5) / 100) .. " MiB"
elseif convert(totalMemory, "B", "KiB") >= 1 then
  totalMemoryString = tostring(math.floor(convert(totalMemory, "B", "KiB") * 100 + 0.5) / 100) .. " KiB"
else
  totalMemoryString = tostring(totalMemory) .. " B"
end
local usedMemoryString
if convert(usedMemory, "B", "GiB") >= 1 then
  usedMemoryString = tostring(math.floor(convert(usedMemory, "B", "GiB") * 100 + 0.5) / 100) .. " GiB"
elseif convert(usedMemory, "B", "MiB") >= 1 then
  usedMemoryString = tostring(math.floor(convert(usedMemory, "B", "MiB") * 100 + 0.5) / 100) .. " MiB"
elseif convert(usedMemory, "B", "KiB") >= 1 then
  usedMemoryString = tostring(math.floor(convert(usedMemory, "B", "KiB") * 100 + 0.5) / 100) .. " KiB"
else
  usedMemoryString = tostring(usedMemory) .. " B"
end
printstat("\27[92mMemory\27[0m: " .. usedMemoryString .. " / " .. totalMemoryString)
local totalDisk = component.invoke(computer.getBootAddress(), "spaceTotal")
local usedDisk = component.invoke(computer.getBootAddress(), "spaceUsed")
local totalDiskString
if convert(totalDisk, "B", "GiB") >= 1 then
  totalDiskString = tostring(math.floor(convert(totalDisk, "B", "GiB") * 100 + 0.5) / 100) .. " GiB"
elseif convert(totalDisk, "B", "MiB") >= 1 then
  totalDiskString = tostring(math.floor(convert(totalDisk, "B", "MiB") * 100 + 0.5) / 100) .. " MiB"
elseif convert(totalDisk, "B", "KiB") >= 1 then
  totalDiskString = tostring(math.floor(convert(totalDisk, "B", "KiB") * 100 + 0.5) / 100) .. " KiB"
else
  totalDiskString = tostring(totalDisk) .. " B"
end
local usedDiskString
if convert(usedDisk, "B", "GiB") >= 1 then
  usedDiskString = tostring(math.floor(convert(usedDisk, "B", "GiB") * 100 + 0.5) / 100) .. " GiB"
elseif convert(usedDisk, "B", "MiB") >= 1 then
  usedDiskString = tostring(math.floor(convert(usedDisk, "B", "MiB") * 100 + 0.5) / 100) .. " MiB"
elseif convert(usedDisk, "B", "KiB") >= 1 then
  usedDiskString = tostring(math.floor(convert(usedDisk, "B", "KiB") * 100 + 0.5) / 100) .. " KiB"
else
  usedDiskString = tostring(usedDisk) .. " B"
end
printstat("\27[92mDisk\27[0m: " .. usedDiskString .. " / " .. totalDiskString)
local width, height = component.invoke(component.list("gpu")(), "getResolution")
printstat("\27[92mResolution\27[0m: " .. tostring(width) .. "x" .. tostring(height) .. "\n")
printstat("\27[40m  \27[41m  \27[42m  \27[43m  \27[44m  \27[45m  \27[46m  \27[47m  ")
printstat("\27[100m  \27[101m  \27[102m  \27[103m  \27[104m  \27[105m  \27[106m  \27[107m  ")
local cursorPosX, cursorPosY = terminal.getCursorPos()
terminal.setCursorPos(cursorPosX, cursorPosY + 5)