/**
 * App-wide structural types. Kept narrow on purpose: the SDK is the
 * source of truth for robot state, and views only need a small slice
 * (poses, motion frames, the saved-move record).
 */

/** Row-major flat-16 head matrix. The SDK's wire shape. */
export type FlatHead = number[];

/** Nested 4x4 head matrix. The app's internal shape (see motor.ts). */
export type NestedHead = number[][];

/** [left, right] antenna angles in radians. */
export type Antennas = [number, number];

/**
 * A single recorded actuator frame. Stored in nested + camelCase shape;
 * the SDK boundary (motor.ts) converts to/from the flat wire form.
 */
export interface MotionFrame {
  head: NestedHead | null;
  antennas: Antennas | null;
  body_yaw: number;
  check_collision: boolean;
}

/**
 * A full recorded motion. The Python Marionette + downstream tooling
 * expects this exact shape on disk (snake_case `set_target_data`), so
 * we keep it 1:1 with the v1 schema even though we're now in TS.
 */
export interface Motion {
  time: number[];
  set_target_data: MotionFrame[];
  duration?: number;
  frameCount?: number;
  capturedHz?: number;
}

/**
 * Audio source attached to a move. `silent` means the move records
 * pure motion with no audio reference.
 */
export type AudioMode = "silent" | "upload" | "record_now" | "record_live";

/** Where audio playback should land. Mirrors v1's settings.audioOutput. */
export type AudioOutput = "robot" | "device";

/** Where the recording mic should pull from. Mirrors v1's state.audioMic. */
export type AudioMic = "device" | "robot";

/**
 * Persisted move row in IndexedDB. Kept flat on purpose (no folders
 * in the MVP) - community provenance is carried inline so we can
 * show a "from @author" chip on the row.
 */
export interface MoveRecord {
  id: string;
  label: string;
  emoji: string;
  motion: Motion;
  audioBlob: Blob | null;
  audioMode: AudioMode;
  duration: number;
  createdAt: number;
  // ─── Community provenance ─────────────────────────────────────
  /** Set on community-imported moves, never on user-recorded ones. */
  communityAuthor?: string;
  /** Original HF dataset id (`org/name`). */
  communityRepoId?: string;
  /** File path inside the repo, e.g. `data/wave.json`. Used as the
   *  idempotency key when an import targets a move already present. */
  communityMovePath?: string;
  /** Free-form description from the dataset's JSON, if any. */
  description?: string;
  // ─── Share-to-HF state ────────────────────────────────────────
  /** True once the user has pushed this move to their own dataset. */
  shared?: boolean;
  /** HF repo the move was last shared to (`<owner>/<repo>`). */
  sharedRepoId?: string;
}

/**
 * One Marionette community dataset as listed by HF
 * (`?filter=reachy_mini_community_moves`).
 */
export interface CommunityDatasetSummary {
  /** `org/name` - the canonical HF repo id. */
  repoId: string;
  /** Display name (last path segment of `repoId`). */
  name: string;
  /** First path segment of `repoId`. */
  author: string;
  emoji: string;
  downloads: number;
  /** ISO timestamp from HF (`lastModified` / `last_modified`). */
  updated: string | null;
  /** Lazy field: filled in by `HF.countMoves` after the list arrives. */
  movesCount: number | null;
}

/**
 * A single `.json` inside a dataset, paired with a side-by-side
 * `.wav` when one exists.
 */
export interface CommunityMoveSummary {
  /** Stable id derived from `repoId` + path (used for idempotency). */
  id: string;
  /** `data/wave.json` - the path inside the repo. */
  path: string;
  /** Display name (filename without extension). */
  label: string;
  hasAudio: boolean;
}

/** Persisted user preferences. */
export interface AppSettings {
  audioOutput: AudioOutput;
  robotVolume: number;
  debug: boolean;
}