import * as THREE from 'three';
import UseThree from '../../../../utils/threejs/useThree';
import singleWindow from './dandaoFc.threejs';
import doubleWindow from './shuangdaoFc.threejs';
import { animateCamera } from '/@/utils/threejs/util';
import { useAppStore } from '/@/store/modules/app';

// 模型对象、 文字对象
let model,
  singleWindowObj,
  doubleWindowObj,
  group,
  windowType = 'singleWindow';
const appStore = useAppStore();
// 打灯光
const addLight = () => {
  const pointLight2 = new THREE.PointLight(0xffeeee, 1, 83);
  pointLight2.position.set(-101, 34, 16);
  pointLight2.shadow.bias = 0.05;
  model.scene.add(pointLight2);

  const pointLight3 = new THREE.PointLight(0xffffff, 1, 150);
  pointLight3.position.set(-61, 37, 13.9);
  pointLight3.shadow.bias = 0.05;
  model.scene.add(pointLight3);

  const pointLight4 = new THREE.PointLight(0xffeeee, 0.6, 300);
  pointLight4.position.set(-2, 26, 20);
  pointLight4.shadow.bias = 0.05;
  model.scene.add(pointLight4);

  const pointLight5 = new THREE.PointLight(0xffffff, 0.8, 120);
  pointLight5.position.set(-54, 30, 23.8);
  pointLight5.shadow.bias = 0.05;
  model.scene.add(pointLight5);

  const pointLight7 = new THREE.PointLight(0xffffff, 1, 1000);
  pointLight7.position.set(45, 51, -4.1);
  pointLight7.shadow.bias = 0.05;
  model.scene.add(pointLight7);

  const spotLight = new THREE.SpotLight();
  spotLight.angle = Math.PI / 16;
  spotLight.penumbra = 0;
  spotLight.castShadow = true;
  spotLight.intensity = 1;
  spotLight.position.set(-231, 463, 687);
  model.scene.add(spotLight);

  spotLight.shadow.camera.near = 0.5; // default
  spotLight.shadow.camera.far = 1000; // default
  spotLight.shadow.focus = 1.2;
  spotLight.shadow.bias = -0.000002;
};

// // 重置摄像头
// const resetCamera = () => {
//   model.camera.position.set(30.328, 58.993, 148.315);
//   model.camera.rotation.set(-31.85, 30.07, 17.29);
//   model.orbitControls?.update();
//   model.camera.updateProjectionMatrix();
// };

// 初始化左右摇摆动画
const startAnimation = () => {
  // 定义鼠标点击事件
  model.canvasContainer?.addEventListener('mousedown', mouseEvent.bind(null));
  model.canvasContainer?.addEventListener('pointerup', (event) => {
    event.stopPropagation();
    // 单道、 双道
    if (windowType === 'doubleWindow') {
      doubleWindowObj.mouseUpModel.call(doubleWindowObj);
    } else if (windowType === 'singleWindow') {
      singleWindowObj.mouseUpModel.call(singleWindowObj);
    }
  });
};

// 鼠标点击、松开事件
const mouseEvent = (event) => {
  event.stopPropagation();
  const widthScale = appStore.getWidthScale;
  const heightScale = appStore.getHeightScale;
  // 将鼠标位置归一化为设备坐标。x 和 y 方向的取值范围是 (-1 to +1)
  model.mouse.x =
    ((-model.canvasContainer.getBoundingClientRect().left * widthScale + event.clientX) / (model.canvasContainer.clientWidth * widthScale)) * 2 - 1;
  model.mouse.y =
    -((-model.canvasContainer.getBoundingClientRect().top + event.clientY) / (model.canvasContainer.clientHeight * heightScale)) * 2 + 1;
  (model.rayCaster as THREE.Raycaster).setFromCamera(model.mouse, model.camera as THREE.Camera);
  if (group) {
    const intersects = model.rayCaster?.intersectObjects(group.children, false) as THREE.Intersection[];
    if (intersects.length > 0) {
      // 单道、 双道
      if (windowType === 'doubleWindow') {
        doubleWindowObj.mousedownModel.call(doubleWindowObj, intersects);
      } else if (windowType === 'singleWindow') {
        singleWindowObj.mousedownModel.call(singleWindowObj, intersects);
      }
    }
  }
};

export const addFmText = (selectData) => {
  if (windowType === 'doubleWindow') {
    return doubleWindowObj.addFmText.call(doubleWindowObj, selectData);
  } else {
    return singleWindowObj.addFmText.call(singleWindowObj, selectData);
  }
};

export const play = (rotationParam, flag) => {
  if (windowType === 'doubleWindow') {
    return doubleWindowObj.play.call(doubleWindowObj, rotationParam, flag);
  } else {
    return singleWindowObj.play.call(singleWindowObj, rotationParam, flag);
  }
};

// 切换风窗类型
export const setModelType = (type) => {
  windowType = type;
  return new Promise((resolve) => {
    // 显示双道风窗
    if (windowType === 'doubleWindow') {
      model.startAnimation = doubleWindowObj.render.bind(doubleWindowObj);
      group = doubleWindowObj.group;
      if (model.scene.getObjectByName('ddFc')) {
        model.scene.remove(singleWindowObj.group);
      }
      const oldCameraPosition = { x: 100, y: 0, z: 500 };
      model.scene.add(doubleWindowObj.group);
      setTimeout(async () => {
        resolve(null);

        const position = doubleWindowObj.group;
        await animateCamera(
          oldCameraPosition,
          oldCameraPosition,
          { x: 66.257, y: 57.539, z: 94.313 },
          { x: position.x, y: position.y, z: position.z },
          model
        );
      }, 300);
    } else if (windowType === 'singleWindow') {
      // 显示单道风窗
      model.startAnimation = singleWindowObj.render.bind(singleWindowObj);
      group = singleWindowObj.group;
      if (model.scene.getObjectByName('sdFc')) {
        model.scene.remove(doubleWindowObj.group);
      }
      const oldCameraPosition = { x: 100, y: 0, z: 500 };
      model.scene.add(singleWindowObj.group);
      setTimeout(async () => {
        resolve(null);
        const position = { x: 0, y: 0, z: 0 };

        await animateCamera(
          oldCameraPosition,
          { x: 0, y: 0, z: 0 },
          { x: 66.257, y: 57.539, z: 94.313 },
          { x: position.x, y: position.y, z: position.z },
          model
        );
      }, 300);
    }
  });
};

export const mountedThree = (playerVal1, playerVal2) => {
  return new Promise(async (resolve) => {
    model = new UseThree('#window3D');
    model.setEnvMap('test1');
    model.renderer.toneMappingExposure = 0.8;
    model.camera.position.set(100, 0, 1000);
    // 单道、 双道
    doubleWindowObj = new doubleWindow(model, playerVal1, playerVal2);
    singleWindowObj = new singleWindow(model, playerVal1);
    await doubleWindowObj.mountedThree();
    await singleWindowObj.mountedThree();

    model.animate();
    resolve(null);
    addLight();
    startAnimation();
  });
};

export const destroy = () => {
  if (model) {
    doubleWindowObj.destroy();
    singleWindowObj.destroy();
    model.deleteModal();
    model = null;
    group = null;
    singleWindowObj = null;
    doubleWindowObj = null;
  }
};