import type { WebEngineEditCommand } from "./web-engine";

type IOCommand<T extends WebEngineEditCommand["type"]> = Extract<WebEngineEditCommand, { type: T }>;

export type IOSceneFormat = "GLTF" | "GLB" | "OBJ" | "STL" | "PLY" | "USD" | "ALEMBIC";

export interface IOSceneImportCommand {
  type: "importScene";
  format: IOSceneFormat;
  fileName: string;
  mimeType: string;
  base64: string;
}

export interface IOSceneExportCommand {
  type: "exportScene";
  format: IOSceneFormat;
  fileName: string;
}

export type IOSceneCommand = IOSceneImportCommand | IOSceneExportCommand;

/** Typed constructors for media import and persistence-facing edit commands. */
export const ioMediaCommands = Object.freeze({
  importScene(format: IOSceneFormat, fileName: string, mimeType: string, base64: string): IOSceneImportCommand {
    return { type: "importScene", format, fileName, mimeType, base64 };
  },
  exportScene(format: IOSceneFormat, fileName: string): IOSceneExportCommand {
    return { type: "exportScene", format, fileName };
  },
  importImage(name: string, mimeType: IOCommand<"importImage">["mimeType"], width: number, height: number, base64: string): IOCommand<"importImage"> {
    return { type: "importImage", name, mimeType, width, height, base64 };
  },
  setMaterialImageNode(materialId: string, imageId: string, usage: IOCommand<"setMaterialImageNode">["usage"], uvMap?: string): IOCommand<"setMaterialImageNode"> {
    return { type: "setMaterialImageNode", materialId, imageId, usage, ...(uvMap ? { uvMap } : {}) };
  },
  setSoundProperties(dataId: string, properties: IOCommand<"setSoundProperties">["properties"]): IOCommand<"setSoundProperties"> {
    return { type: "setSoundProperties", dataId, properties: { ...properties } };
  },
  setSpeakerProperties(dataId: string, properties: IOCommand<"setSpeakerProperties">["properties"]): IOCommand<"setSpeakerProperties"> {
    return { type: "setSpeakerProperties", dataId, properties: { ...properties } };
  },
  setParticleSettings(dataId: string, properties: IOCommand<"setParticleSettings">["properties"]): IOCommand<"setParticleSettings"> {
    return { type: "setParticleSettings", dataId, properties: { ...properties } };
  },
  setTextureProperties(dataId: string, properties: IOCommand<"setTextureProperties">["properties"]): IOCommand<"setTextureProperties"> {
    return { type: "setTextureProperties", dataId, properties: { ...properties } };
  },
} satisfies Record<string, (...args: never[]) => WebEngineEditCommand | IOSceneCommand>);