ConfigurationWindow = {
  controls = {},
  selected_control = 1,
}

function ConfigurationWindow.init()
  ConfigurationWindow.controls = {
    UI.create_numeric_stepper(
      "Move Speed",
      function() return Config.physics.move_speed end,
      function(v) Config.physics.move_speed = v end,
      0.5, 3, 0.1, "%.1f"
    ),
    UI.create_numeric_stepper(
      "Max Jumps",
      function() return Config.physics.max_jumps end,
      function(v) Config.physics.max_jumps = v end,
      1, 5, 1, "%d"
    ),
  }
end

function ConfigurationWindow.draw()
  UI.draw_top_bar("Configuration")

  local x_start = 10 -- Left margin for labels
  local y_start = 40
  local x_value_right_align = Config.screen.width - 10 -- Right margin for values
  local char_width = 4 -- Approximate character width for default font

  for i, control in ipairs(ConfigurationWindow.controls) do
    local current_y = y_start + (i - 1) * 12
    local color = Config.colors.green

    local value = control.get()
    local label_text = control.label
    local value_text = string.format(control.format, value)

    -- Calculate x position for right-aligned value
    local value_x = x_value_right_align - (#value_text * char_width)

    if i == ConfigurationWindow.selected_control then
      color = Config.colors.item
      print("<", x_start -8, current_y, color)
      print(label_text, x_start, current_y, color) -- Shift label due to '<'
      print(value_text, value_x, current_y, color)
      print(">", x_value_right_align + 4, current_y, color) -- Print '>' after value
    else
      print(label_text, x_start, current_y, color)
      print(value_text, value_x, current_y, color)
    end
  end
  
  print("Press B to go back", x_start, 120, Config.colors.light_grey)
end

function ConfigurationWindow.update()
  if Input.menu_back() then
    -- I need to find out how to switch back to the menu
    -- For now, I'll assume a function GameWindow.set_state exists
    GameWindow.set_state(WINDOW_MENU)
    return
  end

  -- Navigate between controls
  if Input.up() then
    ConfigurationWindow.selected_control = ConfigurationWindow.selected_control - 1
    if ConfigurationWindow.selected_control < 1 then
      ConfigurationWindow.selected_control = #ConfigurationWindow.controls
    end
  elseif Input.down() then
    ConfigurationWindow.selected_control = ConfigurationWindow.selected_control + 1
    if ConfigurationWindow.selected_control > #ConfigurationWindow.controls then
      ConfigurationWindow.selected_control = 1
    end
  end

  -- Modify control value
  local control = ConfigurationWindow.controls[ConfigurationWindow.selected_control]
  if control then
    local current_value = control.get()
    if Input.left() then
      local new_value = math.max(control.min, current_value - control.step)
      control.set(new_value)
    elseif Input.right() then
      local new_value = math.min(control.max, current_value + control.step)
      control.set(new_value)
    end
  end
end