import { CmapAppearance } from "./appearance.js";

/**
 * Persist wiki-wide CMap appearance through the backend.
 * Styles and the colour palette form one appearance aggregate.
 */
export class CmapAppearanceRepository {
  constructor(api) {
    if (typeof api !== "function") throw new TypeError("A wiki API function is required");
    this.api = api;
  }

  /** Load and deserialize the complete wiki-wide appearance aggregate. */
  async load() {
    const result = await this.api("/api/cmap-appearance");
    return new CmapAppearance(result);
  }

  /** Persist one appearance aggregate and refresh it with backend normalization. */
  async save(appearance) {
    if (!(appearance instanceof CmapAppearance)) {
      throw new TypeError("A CmapAppearance is required");
    }
    const result = await this.api("/api/cmap-appearance", {
      method: "PUT",
      body: JSON.stringify(appearance.toData())
    });
    return appearance.replace(result);
  }
}