import { toolcraftReducer } from "../composition/public-state";
import type {
  ToolcraftCommand,
  ToolcraftFileAssetDraft,
  ToolcraftImageAssetDraft,
  ToolcraftImageAssetIngress,
  ToolcraftState,
} from "./types";

type MediaImportCommand = Extract<
  ToolcraftCommand,
  { type: "media.importBatch" }
>;
type MediaImportOptions = Pick<MediaImportCommand, "replaceExisting">;
type ReadyImageAssetDraft = Extract<
  ToolcraftImageAssetDraft,
  { lifecycle: "ready" | "restoring" }
>;
type ReadyFileAssetDraft = Extract<
  ToolcraftFileAssetDraft,
  { lifecycle: "ready" | "restoring" }
>;

export const imageMediaAsset = (
  overrides: Partial<ReadyImageAssetDraft> = {},
): ToolcraftImageAssetIngress => ({
  policy: "prepared-source",
  asset: {
    assetKind: "image",
    fileName: "source.png",
    lifecycle: "ready",
    mimeType: "image/png",
    position: { x: 0, y: 0 },
    resourceRef: "media:image:source",
    ...overrides,
    size: undefined,
    sourceSize: overrides.sourceSize ??
      overrides.size ?? { height: 768, unit: "px", width: 1024 },
  },
});

export const fileMediaAsset = (
  overrides: Partial<ReadyFileAssetDraft> = {},
): ReadyFileAssetDraft => ({
  assetKind: "file",
  fileName: "notes.txt",
  lifecycle: "ready",
  mimeType: "text/plain",
  position: { x: 0, y: 0 },
  resourceRef: "media:file:notes",
  ...overrides,
});

export function importImageMedia(
  state: ToolcraftState,
  overrides: Partial<ReadyImageAssetDraft> = {},
  options: MediaImportOptions = {},
) {
  return toolcraftReducer(state, {
    assets: [imageMediaAsset(overrides)],
    type: "media.importBatch",
    ...options,
  });
}