pub(all) struct DocumentStats {
  element_count : Int
  block_count : Int
  text_count : Int
  image_slot_count : Int
  text_characters : Int
  occupied_area : Int
  ids : Array[String]
} derive(Eq, 
@moonbitlang/core/debug.Debug
Debug)

pub(all) enum Element {
  Block(id~ : String, rect~ : Rect, fill~ : 
@dgmxjj/moonbit-posterkit/theme.Color
Color, radius~ : Int)
  Text(id~ : String, content~ : String, position~ : Point, style~ : TextStyle, max_width~ : Int)
  ImageSlot(id~ : String, asset_id~ : String, rect~ : Rect, label~ : String, fit~ : ImageFit)
} derive(Eq, 
@moonbitlang/core/debug.Debug
Debug)

pub(all) enum ImageFit {
  Cover
  Contain
} derive(Eq, 
@moonbitlang/core/debug.Debug
Debug)

pub(all) struct Point {
  x : Int
  y : Int
} derive(Eq, 
@moonbitlang/core/debug.Debug
Debug)

pub(all) struct PosterDocument {
  title : String
  preset : 
@dgmxjj/moonbit-posterkit/preset.PosterPreset
PosterPreset
  theme : 
@dgmxjj/moonbit-posterkit/theme.Theme
Theme
  elements : Array[Element]
} derive(Eq, 
@moonbitlang/core/debug.Debug
Debug)

pub(all) struct Rect {
  x : Int
  y : Int
  width : Int
  height : Int
} derive(Eq, 
@moonbitlang/core/debug.Debug
Debug)

pub(all) enum SceneDiagnostic {
  EmptyTitle
  EmptyElementId(index~ : Int)
  DuplicateElementId(id~ : String)
  InvalidRect(id~ : String)
  EmptyAssetId(id~ : String)
  EmptyImageLabel(id~ : String)
  TextOutsideCanvas(id~ : String)
} derive(Eq, 
@moonbitlang/core/debug.Debug
Debug)

pub(all) enum TextAlign {
  Left
  Center
  Right
} derive(Eq, 
@moonbitlang/core/debug.Debug
Debug)

pub(all) struct TextStyle {
  family : String
  size : Int
  weight : Int
  line_height : Int
  align : TextAlign
  color : 
@dgmxjj/moonbit-posterkit/theme.Color
Color
} derive(Eq, 
@moonbitlang/core/debug.Debug
Debug)

fn analyze_document(document : PosterDocument) -> DocumentStats

fn diagnostic_code(diagnostic : SceneDiagnostic) -> String

fn document_without_empty_text(document : PosterDocument) -> PosterDocument

fn element_ids(document : PosterDocument) -> Array[String]

fn element_ids_sorted(document : PosterDocument) -> Array[String]

fn find_element(document : PosterDocument, id : String) -> Element?

fn image_slot_count(document : PosterDocument) -> Int

fn normalization_summary(document : PosterDocument) -> String

fn normalize_document_ids(document : PosterDocument) -> PosterDocument

fn normalize_for_render(document : PosterDocument) -> PosterDocument

fn normalized_id(raw : String, fallback : String) -> String

fn normalized_title(document : PosterDocument, fallback : String) -> String

fn text_character_count(document : PosterDocument) -> Int

fn validate_document(document : PosterDocument, strict~ : Bool) -> Array[SceneDiagnostic]