export interface SourceVec2 {
  x: number;
  y: number;
}

export interface SourceVec3 extends SourceVec2 {
  z: number;
}

export interface SourceNodeTransform {
  position: SourceVec3;
  scale: SourceVec3;
  euler: SourceVec3;
  size: SourceVec2;
  pivot: SourceVec2;
}

export interface CreatorNodeTransform extends SourceNodeTransform {
  layer: number;
}

export interface SourceCameraState {
  position: SourceVec3;
  orthographicHeight: number;
  near: number;
  far: number;
  visibility: number;
}

export const SOURCE_DESIGN_WIDTH = 720;
export const SOURCE_DESIGN_HEIGHT = 1280;
export const PROJECT_MAX_VIEW_WIDTH = SOURCE_DESIGN_WIDTH;
export const PROJECT_MAX_VIEW_HEIGHT = SOURCE_DESIGN_HEIGHT;
export const SOURCE_WORLD_LAYER = 1073741824;
export const SOURCE_CAMERA_VISIBILITY = 1083179010;
export const SOURCE_CAMERA_ORTHO_HEIGHT = 640;
// 原 startup.scene 序列化的相机控制器 minZoom 是 0.8，恢复出的交互视觉尺寸以这个源码视野为基准。
export const SOURCE_CAMERA_SOURCE_DEFAULT_ZOOM = 0.8;
// 当前需求启动时默认缩小到 0.65，但不改变源码交互视觉的尺寸基准。
export const SOURCE_CAMERA_INITIAL_ZOOM = 0.65;
// 运行时缩放下限按当前需求放宽到 0.5，避免初始 0.8 被当成最小值后只能放大不能缩小。
export const SOURCE_CAMERA_MIN_ZOOM = 0.5;
export const SOURCE_CAMERA_MAX_ZOOM = 2.4;
export const SOURCE_CAMERA_MAX_VISIBLE_WIDTH = 2300;
export const SOURCE_CAMERA_MIN_X = -360;
export const SOURCE_CAMERA_MAX_X = 360;
export const SOURCE_CAMERA_MIN_Y = -320;
export const SOURCE_CAMERA_MAX_Y = 320;
export const SOURCE_CAMERA_PC_SENSITIVITY = 0.002;
export const SOURCE_CAMERA_PINCH_ZOOM_SPEED = 2.5;

export function sourceCameraInitialZoom(): number {
  return SOURCE_CAMERA_INITIAL_ZOOM;
}

export function sourceCameraInitialOrthoHeight(): number {
  return SOURCE_CAMERA_ORTHO_HEIGHT / sourceCameraInitialZoom();
}

export function toCreatorNodeTransform(source: SourceNodeTransform): CreatorNodeTransform {
  return {
    position: { ...source.position },
    scale: { ...source.scale },
    euler: { ...source.euler },
    size: { ...source.size },
    pivot: { ...source.pivot },
    layer: SOURCE_WORLD_LAYER,
  };
}

export function toCreatorCameraState(source: SourceCameraState): SourceCameraState {
  return {
    position: { ...source.position },
    orthographicHeight: source.orthographicHeight,
    near: source.near,
    far: source.far,
    visibility: source.visibility,
  };
}