Package deleter

-- Function to handle navigation bar clicks
function handleNavBarClick(x, y)
  local screenWidth, screenHeight = term.getSize()
  local navBarWidth = 20
  local navBarStart = math.floor((screenWidth - navBarWidth) / 2)

  if y == screenHeight then
    if x >= navBarStart + 5 and x <= navBarStart + 8 then
      -- Clicked on Home button
      shell.run("/disk/os/gui")
      return  -- Terminate the program after running /disk/os/gui
    elseif x >= navBarStart + 10 and x <= navBarStart + 13 then
      -- Clicked on Recents button
      shell.run("/disk/os/recents")
    elseif x >= navBarStart + 15 and x <= navBarStart + 18 then
      -- Clicked on Back button
      -- Handle back button if needed
    end
  end
end

-- Function to draw navigation bar
function drawNavBar()
  local screenWidth, screenHeight = term.getSize()
  local navBarWidth = 20
  local navBarStart = math.floor((screenWidth - navBarWidth) / 2)

  -- Save current cursor position
  local oldX, oldY = term.getCursorPos()

  -- Draw Home button
  term.setCursorPos(navBarStart + 5, screenHeight)
  term.setBackgroundColor(colors.black)
  term.setTextColor(colors.white)
  term.write(" Home ")

  -- Draw Recents button
  term.setCursorPos(navBarStart + 10, screenHeight)
  term.setBackgroundColor(colors.black)
  term.setTextColor(colors.white)
  term.write(" Recents ")

  -- Draw Back button
  term.setCursorPos(navBarStart + 15, screenHeight)
  term.setBackgroundColor(colors.black)
  term.setTextColor(colors.white)
  term.write(" Back ")

  -- Restore cursor position
  term.setCursorPos(oldX, oldY)
end

-- Function to list and delete packages
function listAndDeletePackages()
  local packagesDir = "/disk/packages"
  local packages = fs.list(packagesDir)

  -- Display package names
  for i, package in ipairs(packages) do
    term.setCursorPos(2, i + 1)
    print(package)
  end

  -- Prompt user to select package for deletion
  print("Enter the number of the package you want to delete:")
  local packageNumber = tonumber(read())

  -- Delete selected package
  if packageNumber and packageNumber > 0 and packageNumber <= #packages then
    local selectedPackage = packages[packageNumber]
    fs.delete(fs.combine(packagesDir, selectedPackage))
    print(selectedPackage .. " deleted successfully!")
  else
    print("Invalid package number!")
  end
end

-- Main function
function main()
  term.clear()
  drawNavBar()
  listAndDeletePackages()
end

-- Run the main function
main()