import type {
  NativePresentationDefinition,
  NativePresentationName,
} from "../types";

export function definePresentation(definition: NativePresentationDefinition) {
  return definition;
}

const builtins: NativePresentationDefinition[] = [
  { name: "push", axis: "x" },
  { name: "reveal", axis: "x" },
  { name: "slide", axis: "x" },
  { name: "fade", axis: "x" },
  { name: "modal", axis: "y" },
  { name: "sheet", axis: "y" },
  { name: "none", axis: "x" },
];

export class PresentationRegistry {
  private readonly definitions = new Map<
    NativePresentationName,
    NativePresentationDefinition
  >();

  constructor(custom: NativePresentationDefinition[] = []) {
    for (const definition of [...builtins, ...custom])
      this.register(definition);
  }

  register(definition: NativePresentationDefinition) {
    this.definitions.set(definition.name, definition);
  }

  get(name: NativePresentationName) {
    return this.definitions.get(name);
  }
}