export { createProject, setCanvasSize } from "./project";
export {
  createLayer,
  addLayer,
  removeLayer,
  moveLayer,
  updateLayerTransform,
  reorderLayer,
  setLayerEffect,
  removeLayerEffect,
  setLayerVisible,
  setEffectEnabled,
} from "./layers";
export type { LayerFactoryOptions, TransformPatch } from "./layers";
export { normalizeProject } from "./normalize";
export { serializeProjectFile, parseProjectFile } from "./serialization";
export { getEffectDefinition, normalizeEffect } from "./effects/registry";
export type { EffectDefinition } from "./effects/registry";
export { faceBlurDefinition } from "./effects/face-blur";
export { getToolDefinition, getAllTools } from "./tools/registry";
export type {
  ToolDefinition,
  ToolInteractionMode,
  EditorToolId,
} from "./tools/registry";
export {
  HISTORY_LIMIT,
  capHistory,
  cloneLayer,
  cloneProject,
  computeHistoryFlags,
  deepClone,
  makeHistory,
  resolveSelectedLayerId,
} from "./history";
export type { HistoryState } from "./history";

import type { Layer, LayerEffect, Project } from "@pien-studio/types";
import {
  addLayer,
  moveLayer,
  removeLayer,
  reorderLayer,
  setLayerEffect,
  updateLayerTransform,
} from "./layers";
import { setCanvasSize } from "./project";

export type EditorOperation =
  | { type: "addLayer"; layer: Layer }
  | { type: "removeLayer"; layerId: string }
  | { type: "moveLayer"; layerId: string; delta: { dx: number; dy: number } }
  | {
      type: "updateLayerTransform";
      layerId: string;
      patch: import("./layers").TransformPatch;
    }
  | { type: "reorderLayer"; layerId: string; toIndex: number }
  | { type: "setLayerEffect"; layerId: string; effect: LayerEffect }
  | {
      type: "setCanvasSize";
      width: number;
      height: number;
      unit?: "px" | "in" | "cm";
    };

export function applyOperation(
  project: Project,
  operation: EditorOperation,
): Project {
  switch (operation.type) {
    case "addLayer":
      return addLayer(project, operation.layer);
    case "removeLayer":
      return removeLayer(project, operation.layerId);
    case "moveLayer":
      return moveLayer(project, operation.layerId, operation.delta);
    case "updateLayerTransform":
      return updateLayerTransform(project, operation.layerId, operation.patch);
    case "reorderLayer":
      return reorderLayer(project, operation.layerId, operation.toIndex);
    case "setLayerEffect":
      return setLayerEffect(project, operation.layerId, operation.effect);
    case "setCanvasSize":
      return setCanvasSize(
        project,
        operation.width,
        operation.height,
        operation.unit,
      );
    default:
      return project;
  }
}