import { createContext } from "react";

export type PlayerItem =
  | { kind: "embed"; embedUrl: string; title?: string; type: string }
  | { kind: "file"; fileUrl: string; mimeType: string; title?: string };

export interface PlayerContextValue {
  // Playback state — readable by any consumer
  current: PlayerItem | null;
  playing: boolean;
  currentTime: number;
  duration: number;

  // Control — callable by any consumer
  play(item: PlayerItem): void;
  stop(): void;
  seekTo(time: number): void;
  togglePlay(): void;

  // Internal: GlobalPlayer registers MediaPlayer's imperative handles here
  // so seekTo / togglePlay can reach into the actual media element.
  seekRef: { current: ((t: number) => void) | null };
  toggleRef: { current: (() => void) | null };

  // Internal: GlobalPlayer calls these to push state back into the provider
  onPlayStateChange(playing: boolean): void;
  onTimeUpdate(time: number, duration: number): void;
}

export const PlayerContext = createContext<PlayerContextValue>({
  current: null,
  playing: false,
  currentTime: 0,
  duration: 0,
  play: () => {},
  stop: () => {},
  seekTo: () => {},
  togglePlay: () => {},
  seekRef: { current: null },
  toggleRef: { current: null },
  onPlayStateChange: () => {},
  onTimeUpdate: () => {},
});