import cover from "./cover/index";
import { createLoadPack, loadLib } from "@/utils";

import {
  FuseModelAttrs,
  FuseModel,
  GuidePath,
  MeasureType,
  Measure as StoreMeasure,
  MeasurePosition,
  SceneType,
  scenes,
  Scene,
} from "@/store";
import type { Emitter } from "mitt";
import { TaggingPositionType } from "@/api";
export enum SettingResourceType {
  map = "map",
  color = "color",
  envImage = "img",
  bottomImage = "bimg",
  icon = "icon",
}

type SceneModelAttrs = FuseModelAttrs & { select: boolean };
export type SceneModel = ToChangeAPI<SceneModelAttrs> & {
  bus: Emitter<
    Pick<SceneModelAttrs, "select"> & {
      loadError: void;
      loadDone: void;
      loadProgress: number;
      changeSelect: boolean;
      transformChanged: {
        position?: SceneLocalPos;
        scale?: number;
        rotation?: SceneLocalPos;
        bottom?: number;
      };
    }
  >;
  destroy: () => void;
  enterRotateMode: () => void;
  enterMoveMode: () => void;
  leaveTransform: () => void;
  getDefaultRotation: () => SceneLocalPos
  enterAlignment: () => void;
  leaveAlignment: () => void;
  enterScaleSet: () => ScaleSet;
  leaveScaleSet: () => void;

  supportPano: () => boolean;
  flyInPano: () => void;
  flyOutPano: () => void;
};

export interface ScaleSet {
  setLength: (length: number) => void;
  startMeasure: () => void;
}

export type ModelAttrRange = {
  [key in "opacity" | "bottom" | "scale" as `${key}Range`]: {
    min: number;
    max: number;
    step: number;
  };
};

export type AddModelProps = Pick<FuseModel, "url" | "id"> &
  FuseModelAttrs & {
    type: string;
    isDynamicAdded: boolean;
    mode: "many" | "single";
    fromType: any;
  } & ModelAttrRange;

export type SceneGuidePath = Pick<GuidePath, "speed" | "time"> & Pose;
export interface SceneGuide {
  bus: Emitter<{ changePoint: number; playComplete: void }>;
  play: () => void;
  pause: () => void;
  clear: () => void;
}

export type ScenePos = { localPos: SceneLocalPos; modelId: FuseModel["id"] };
export type ScreenPos = {
  trueSide: boolean;
  pos: ScreenLocalPos;
  modelId: FuseModel["id"];
};

export interface CameraComeToProps {
  position: SceneLocalPos;
  target?: SceneLocalPos;
  dur?: number;
  modelId?: FuseModel["id"];
  distance?: 1 | 2 | 3;
}

export type CalcPathProps = [
  [SceneGuidePath, SceneGuidePath],
  Partial<Pick<SceneGuidePath, "time" | "speed">>
];

export interface MeasureBase {
  destroy?: () => void;
  show: () => void;
  hide: () => void;
  fly: () => void;
  bus: Emitter<{
    update: [MeasurePosition["point"][], MeasurePosition["modelId"][]];
    highlight: boolean;
  }>;
  changeSelect: (isHight: boolean) => void;
  setPositions: (
    points: MeasurePosition["point"][],
    modelIds: MeasurePosition["modelId"][]
  ) => void;
}

export type Measure<T extends StoreMeasure["type"] = StoreMeasure["type"]> =
  MeasureBase &
    (T extends MeasureType.area
      ? { getArea: () => { value: number } }
      : { getDistance: () => { value: number } });

export type StartMeasure<T extends StoreMeasure["type"]> = Measure<T> & {
  bus: Emitter<{
    submit: [MeasurePosition["point"][], MeasurePosition["modelId"][]];
    cancel: void;
    invalidPoint: string;
  }>;
};

export type Pose =
  | {
      position: SceneLocalPos;
      target: SceneLocalPos;
    }
  | {
      panoId: any;
      model: SceneModel;
      posInModel: SceneLocalPos;
      rotInModel: SceneLocalPos;
      position: SceneLocalPos;
      target: SceneLocalPos;
    };

export interface SDK {
  layout: HTMLDivElement;
  sceneBus: Emitter<{
    cameraChange: SceneLocalPos;
    panoModelChange: SceneModel;
    modeChange: { mode: "pano" | "fuse"; active: SceneModel };
  }>;

  setBackdrop: (
    drop: string,
    type: SettingResourceType,
    tb: { scale?: number; rotate?: number }
  ) => void;
  switchScene: (
    scene: { type: SceneType; num: string } | null
  ) => Promise<void>;
  addModel: (props: AddModelProps) => SceneModel;
  setCameraFov: (fov: number) => void;
  enableMap(dom: HTMLDivElement, latlng: number[]): void;
  switchMapType: (type: string) => void;
  showGrid: () => void;

  compassVisibility: (visibility: boolean) => void;
  canTurnToPanoMode: () => { model: SceneModel };
  hideGrid: () => void;
  calcPathInfo: (
    paths: CalcPathProps[0],
    info: CalcPathProps[1]
  ) => Required<CalcPathProps[1]>;
  getPositionByScreen: (
    screenPos: ScreenLocalPos,
    modelId?: FuseModel["id"]
  ) => (ScenePos & { worldPos: SceneLocalPos }) | null;
  getScreenByPosition: (
    localPos: SceneLocalPos,
    modelId?: FuseModel["id"]
  ) => ScreenPos | null;
  screenshot: (width: number, height: number) => Promise<string>;
  getPose: () => Pose;
  comeTo: (pos: CameraComeToProps) => void;
  enterSceneGuide: (data: SceneGuidePath[]) => SceneGuide;

  drawMeasure<T extends StoreMeasure["type"]>(
    type: T,
    points: MeasurePosition["point"][],
    modelIds: MeasurePosition["modelId"][]
  ): Measure<T>;
  startMeasure<T extends StoreMeasure["type"]>(type: T): StartMeasure<T>;

  createTagging: (props: Tagging3DProps) => Tagging3D

  createPath: (props: PathProps) => Path
}

export type PathProps = {
  // 线段名称
  name: string,
  // 是否显示名称,
  showName: boolean,
  // 文字大小
  fontSize: number,
  // 是否显示方向,
  showDirection: boolean,
  // 方向是否反向
  reverseDirection: boolean,
  line: {
    width: number,
    color: string,
    altitudeAboveGround: number
    position: SceneLocalPos,
    modelId: string
  },
  points: {
    // 点位名称
    name: string,
    position: SceneLocalPos,
    modelId: string,
  }[]
}
export type Path = {
  bus: Emitter<{
    activePoint: number
    // 标注点击事件
    click: void;
    // 鼠标移入标注事件
    enter: void;
    // 鼠标移出标注事件
    leave: void;
    // 线段坐标更改事件
    linePositionChange: {
      pos: SceneLocalPos,
      modelId: string
    }
    // 路径点位置变更
    changePoints: PathProps['points']
    drawed: void
  }>;
  changeDirection: ( show: boolean,  reverse: boolean ) => void
  changeFontSize: (fontSize: number) => void
  changeVisibilityRange: (range: number) => void
  changePointName: (index: number, name: string) => void
  // 飞向路径
  fly: () => void,
  // 更改路径点
  changePathPoints: (points: Omit<PathProps['points'][number], 'name'>[]) => void
  // 播放路径，相机沿着路径运动，传入播放完毕回调
  play: (playedHandler: () => void) => void
  // 停止播放路径
  pause: () => void
  // 是否可编辑
  changeCanEdit: (canMove: boolean) => void
  changeEditMode: (editMode: boolean) => void
  // 可见性
  visibility: (visibility: boolean) => void
  // 气泡是否可见
  visibilityName: (visibility: boolean) => void
  // 更改标题气泡属性
  changeLine: (props: Partial<PathProps['line']>) => void
  // 更改标题气泡属性
  changeName: (name: string) => void
  // 线段销毁
  destroy: () => void
}

export type Tagging3DProps = {
  lineHeight: number
  fontSize: number,
  // 标题
  title: string
  // 标注类型 2d | 3d
  type: TaggingPositionType,
  // 模型id
  modelId: string,
  // 贴地射线获取的位置
  position: SceneLocalPos
  normal: SceneLocalPos
  // 是否可以移动
  canMove: boolean,
  // 贴地图片url
  image: string
  
  // 贴地图片的变换
  mat: {
    scale: number,
    rotation: number,
  }
}
export type Tagging3D = {
  bus: Emitter<{
    // 标注点击事件
    click: void;
    // 鼠标移入标注事件
    enter: void;
    // 鼠标移出标注事件
    leave: void;
    // 位置变更
    changePosition: {pos: SceneLocalPos, modelId: string, normal: SceneLocalPos}
  }>;
  changePosition: (position: { 
    modelId: string,
    // 贴地射线获取的位置
    position: SceneLocalPos
    normal: SceneLocalPos
  }) => void
  changeFontSize: (fontSize: number) => void
  changeLineHeight: (lineHeight: number) => void
  // 设置标题
  changeTitle: (title: string) => void
  // 标题是否可见
  visibilityTitle: (visibility: boolean) => void
  // 更改可拖拽移动
  changeCanMove: (canMove: boolean) => void
  // 获取图标中心三维坐标
  getImageCenter: () => SceneLocalPos
  // 更改图标
  changeImage: (url: string) => void
  // 标注可见性
  visibility: (visibility: boolean) => void
  // 标注图片变换，传入变换
  changeMat: (props: Tagging3DProps['mat']) => void
  // 更改热点类型
  changeType: (val: TaggingPositionType) => void
  // 距离相机位置
  getCameraDisSquared: () => number
  // 标注销毁
  destory: () => void
}

export let sdk: SDK;
export type InialSDKProps = {
  laserRoot?: string
  laserOSSRoot?: string
  panoOSSRoot?: string
  layout: HTMLDivElement;
  scenes: Scene[];
  lonlat?: number[];
};

export let initialed = false;
export const initialSDK = async (props: InialSDKProps) => {
  if (initialed) return sdk;
  initialed = true;
  const libs = [
    `./lib/proj4/proj4.js`,
    `./lib/jquery/jquery-3.1.1.min.js`,
    `./lib/other/BinaryHeap.js`,
    `./lib/tween/tween.min.js`,
    `./lib/plasio/js/laslaz.js`,
    `./lib/plasio/vendor/bluebird.js`,
    `./lib/plasio/workers/laz-loader-worker.js`,
    `./lib/plasio/workers/laz-perf.js`,
    `./lib/Cesium/Cesium.js`,
    `./lib/shapefile/shapefile.js`,
  ];
  await Promise.all(libs.map(loadLib));
  await loadLib(`./lib/potree/potree.js`);

  console.log(props);
  const localSdk = cover({
    ...props,
    dom: props.layout,
    isLocal: false,
    scenes: props.scenes,
    lonlat: props.lonlat,
    mapDom: null,
  }) as unknown as SDK;

  (window as any).sdk = sdk = localSdk;
  sdk.layout = props.layout;

  return sdk;
};

export default sdk!;