/** Metrics for one evaluation split (test or hard). All values optional —
 *  absent means "not yet measured". WER-family values are percentages. */
export interface SplitMetrics {
  wer?: number;
  werCi?: [number, number];
  cer?: number;
  csWer?: number;
  csWerCi?: [number, number];
  nWer?: number;
  mtrExact?: number;
  mtrFuzzy?: number;
  rtfx?: number;
}

/** One leaderboard row. */
export interface ModelRow {
  slug: string;
  name: string;
  org: string;
  paramsB?: number;
  license: string;
  category: "vn-open" | "multilingual-open" | "medical" | "api-intl" | "api-vn";
  track: "A" | "B" | "C";
  provenance:
    | "platform-verified"
    | "api-snapshot"
    | "self-reported"
    | "paper-imported"
    | "running"
    | "planned";
  flags?: {
    contamination?: boolean;
    referenceOnly?: boolean;
    frozen?: boolean;
    zone1?: boolean;
  };
  note?: string;
  metrics?: { test?: SplitMetrics; hard?: SplitMetrics };
}

/* Convenience aliases derived from ModelRow */
export type Category = ModelRow["category"];
export type Track = ModelRow["track"];
export type Provenance = ModelRow["provenance"];
export type ModelFlags = NonNullable<ModelRow["flags"]>;

/** The two leaderboard splits. */
export type Split = "test" | "hard";

/** Rankable metric keys within SplitMetrics (CI tuples excluded). */
export type MetricKey =
  | "wer"
  | "cer"
  | "csWer"
  | "nWer"
  | "mtrExact"
  | "mtrFuzzy"
  | "rtfx";

export interface SplitInfo {
  hours: number;
  utts: number;
}

/** Lifecycle of a dataset on the hub. */
export type DatasetStatus = "live" | "coming-soon";

/**
 * Dataset profile. MedASR Bench is a multi-dataset hub: live datasets
 * carry full statistics; coming-soon entries only carry identity fields,
 * so everything measured is optional.
 */
export interface DatasetInfo {
  id: string;
  name: string;
  status: DatasetStatus;
  /** Expanded name, e.g. "Vietnamese Medical Code-Switching Speech". */
  fullName?: string;
  /** One-sentence description for dataset cards. */
  tagline: string;
  /** Where the audio comes from, e.g. "Vietnamese medical YouTube lectures". */
  source?: string;
  /** Expected availability for coming-soon datasets, e.g. "2026". */
  eta?: string;
  hours?: number;
  utterances?: number;
  csTerms?: number;
  license?: string;
  arxiv?: string;
  hf?: string;
  splits?: {
    train: SplitInfo;
    valid: SplitInfo;
    test: SplitInfo;
    hard: SplitInfo;
  };
}

/** One registry entry: a dataset profile plus its leaderboard rows. */
export interface DatasetEntry {
  info: DatasetInfo;
  models: ModelRow[];
}

/** Shape of src/data/results.json. */
export interface ResultsFile {
  datasets: DatasetEntry[];
}