module Playbook::Classnames

def self.included(base)
  base.prop :classname
  base.prop :dark, type: Playbook::Props::Boolean, default: false
end

def append_classname(css, value)
  css << " " << value if value
end

def dark_props
  dark ? "dark" : nil
end

def generate_classname(*name_parts, separator: "_")
  css = +name_parts.compact.join(separator)
  append_classname(css, prop(:classname))
  # Spacing props (handles margin, padding, and width sub-props)
  append_classname(css, spacing_props)
  css << " dark" if dark
  append_classname(css, width_props)
  append_classname(css, min_width_props)
  append_classname(css, max_width_props)
  # Gap utilities
  append_classname(css, gap_props)
  append_classname(css, column_gap_props)
  append_classname(css, row_gap_props)
  # Single-value utilities
  append_classname(css, z_index_props)
  append_classname(css, number_spacing_props)
  append_classname(css, shadow_props)
  append_classname(css, line_height_props)
  append_classname(css, display_props)
  append_classname(css, cursor_props)
  # Flex utilities
  append_classname(css, flex_direction_props)
  append_classname(css, flex_wrap_props)
  append_classname(css, justify_content_props)
  append_classname(css, justify_self_props)
  append_classname(css, align_items_props)
  append_classname(css, align_content_props)
  append_classname(css, align_self_props)
  append_classname(css, flex_props)
  append_classname(css, flex_grow_props)
  append_classname(css, flex_shrink_props)
  append_classname(css, order_props)
  # Position and layout
  append_classname(css, position_props)
  append_classname(css, hover_props)
  append_classname(css, border_radius_props)
  append_classname(css, text_align_props)
  append_classname(css, overflow_props)
  append_classname(css, truncate_props)
  append_classname(css, left_props)
  append_classname(css, top_props)
  append_classname(css, right_props)
  append_classname(css, bottom_props)
  append_classname(css, vertical_align_props)
  # Height utilities
  append_classname(css, height_props)
  append_classname(css, min_height_props)
  append_classname(css, max_height_props)
  css
end

def generate_classname_without_spacing(*name_parts, separator: "_")
  css = +name_parts.compact.join(separator)
  append_classname(css, prop(:classname))
  css
end