import * as THREE from "three";
import {CSG} from "three-csg-ts";
//@ts-ignore
import { mergeGeometries } from 'three/addons/utils/BufferGeometryUtils.js'

export default class Cl23DGraphics {

// 创建ptr的底座
  public static createPtrPedestal(): THREE.BufferGeometry {
    // 参数配置
    const radius = 0.8        // 圆半径
    const lineDist = 0.75     // 切割线距离圆心距离
    const segments = 64       // 圆的分段精度

    // 计算切割线与圆的交点
    const intersectY = Math.sqrt(radius * radius - lineDist * lineDist)
    const startAngle = Math.asin(intersectY / radius)
    const endAngle = Math.acos(intersectY / radius)


    const shape = new THREE.Shape()
    shape.moveTo(0, 0)  // 起点在圆心
    shape.absarc(0, 0, 0.8, startAngle, endAngle, false) // 从0到π绘制半圆
    shape.absarc(0, 0, 0.8, startAngle + Math.PI / 2, endAngle + Math.PI / 2, false)
    shape.absarc(0, 0, 0.8, startAngle + Math.PI, endAngle + Math.PI, false)
    shape.absarc(0, 0, 0.8, startAngle + Math.PI / 2 * 3, endAngle + Math.PI / 2 * 3, false)

    shape.lineTo(-0.5, -intersectY)
    shape.lineTo(-0.5, -intersectY + 0.17)
    shape.lineTo(0.75, -intersectY + 0.17)
    shape.lineTo(0.75, intersectY - 0.17)
    shape.lineTo(-0.5, intersectY - 0.17)
    shape.lineTo(-0.5, intersectY)
    shape.closePath()  // 闭合路径

    // 拉伸轨迹线
    const curve = new THREE.CatmullRomCurve3(
      [new THREE.Vector3(0, 0.02, 0), new THREE.Vector3(0, 0.22, 0)],
      false,  // 闭合曲线
      'catmullrom',
      0
    )

    // 挤出几何图形 参数
    const options = {
      steps: 1,
      bevelEnabled: false,
      extrudePath: curve //  设置挤出轨迹
    }
    // 创建挤出几何体
    const geometry = new THREE.ExtrudeGeometry(shape, options)
    const material = new THREE.MeshBasicMaterial({color: 0xffdddbca})
    const mesh = new THREE.Mesh(geometry, material)

    mesh.updateMatrix()

    // 倒角
    const shapeD = new THREE.Shape()
    shapeD.moveTo(-0.02, -0.02)
    shapeD.lineTo(0.02, 0.02)
    shapeD.lineTo(-0.02, 0.02)
    shapeD.closePath()

    const curveD = new THREE.EllipseCurve(
      0, 0, radius, radius, 0, Math.PI * 2, false, 0
    )
    // 生成拉伸路径点
    const pointsD = curveD.getPoints(segments).map(p =>
      new THREE.Vector3(p.x, 0.20, p.y)
    )
    // 3. 挤出成型
    const optionsD = {
      steps: segments,
      bevelEnabled: false,
      // bevelSegments: 0.01,
      extrudePath: new THREE.CatmullRomCurve3(pointsD)
    }

    const geometryD = new THREE.ExtrudeGeometry(shapeD, optionsD)
    const meshD = new THREE.Mesh(geometryD, material)
    meshD.updateMatrix()

    // 布尔运算
    const result = CSG.subtract(mesh, meshD)

    return result.geometry
  }

// 创建ptr的立柱
  public static createPtrPillar(): THREE.BufferGeometry {
    // 606.5
    const width = 0.245
    const depth = 0.716
    const dd = 0.05
    const shape = new THREE.Shape()
    shape.moveTo(-0.728, -0.358 + dd)
    shape.lineTo(-0.728 + dd, -0.358)
    shape.lineTo(-0.728 + width - dd, -0.358)
    shape.lineTo(-0.728 + width, -0.358 + dd)

    shape.lineTo(-0.728 + width, -0.28)
    shape.lineTo(-0.728 + width - 0.08, -0.28)
    shape.lineTo(-0.728 + width - 0.08, 0.28)
    shape.lineTo(-0.728 + width, 0.28)

    shape.lineTo(-0.728 + width, -0.358 + depth - dd)
    shape.lineTo(-0.728 + width - dd, -0.358 + depth)
    shape.lineTo(-0.728 + dd, -0.358 + depth)
    shape.lineTo(-0.728, -0.358 + depth - dd)
    // shape.lineTo(-0.728, -0.358 + dd);
    // shape.closePath()

    // 拉伸轨迹线
    const curve = new THREE.CatmullRomCurve3(
      [new THREE.Vector3(0, 0.22, 0), new THREE.Vector3(0, 1.872, 0)],
      false,  // 闭合曲线
      'catmullrom',
      0
    )

    // 挤出几何图形 参数
    const options = {
      steps: 1,
      bevelSegments: 0.05,
      bevelEnabled: true,
      extrudePath: curve //  设置挤出轨迹
    }
    // 创建挤出几何体
    let geometry = new THREE.ExtrudeGeometry(shape, options)


    const fd = 0.03
    const shapeBf = new THREE.Shape()

    shapeBf.moveTo(-0.728 + width - 0.08, -0.28)
    shapeBf.lineTo(-0.728 + width + 0.02, -0.28)
    shapeBf.lineTo(-0.728 + width + 0.02, -0.25)
    shapeBf.lineTo(-0.728 + width + 0.02 + 1.130 - fd, -0.25)
    shapeBf.lineTo(-0.728 + width + 0.02 + 1.130, -0.25 + fd)
    shapeBf.lineTo(-0.728 + width + 0.02 + 1.130, -0.14 - fd)
    shapeBf.lineTo(-0.728 + width + 0.02 + 1.130 - fd, -0.14)
    shapeBf.lineTo(-0.728 + width + 0.02, -0.14)
    shapeBf.lineTo(-0.728 + width + 0.02, 0.14)
    shapeBf.lineTo(-0.728 + width + 0.02 + 1.130 - fd, 0.14)
    shapeBf.lineTo(-0.728 + width + 0.02 + 1.130, 0.14 + fd)
    shapeBf.lineTo(-0.728 + width + 0.02 + 1.130, 0.25 - fd)
    shapeBf.lineTo(-0.728 + width + 0.02 + 1.130 - fd, 0.25)
    shapeBf.lineTo(-0.728 + width + 0.02, 0.25)
    shapeBf.lineTo(-0.728 + width + 0.02, 0.28)
    shapeBf.lineTo(-0.728 + width - 0.08, 0.28)

    shapeBf.closePath()

    // 拉伸轨迹线
    const curveBf = new THREE.CatmullRomCurve3(
      [new THREE.Vector3(0, 0.02, 0), new THREE.Vector3(0, 0.06, 0)],
      false,  // 闭合曲线
      'catmullrom',
      0
    )

    // 挤出几何图形 参数
    const optionsBf = {
      steps: 1,
      bevelSegments: 0.05,
      bevelEnabled: true,
      extrudePath: curveBf //  设置挤出轨迹
    }
    // 创建挤出几何体
    const geometryBf = new THREE.ExtrudeGeometry(shapeBf, optionsBf)
    geometry = mergeGeometries([geometry, geometryBf])
    const material = new THREE.MeshBasicMaterial({color: 0xffdddbca})
    const mesh = new THREE.Mesh(geometry, material)

    const shapeD = new THREE.Shape()
    shapeD.moveTo(-0.3, -0.25)
    shapeD.lineTo(-0.3, 0.25)
    shapeD.lineTo(0.3, 0.25)
    shapeD.lineTo(0.3, -0.25)
    shapeD.closePath()

    const curveD = new THREE.CatmullRomCurve3(
      [new THREE.Vector3(0, 1.45, -1), new THREE.Vector3(0, 1.45, 1)],
      false,  // 闭合曲线
      'catmullrom',
      0
    )

    const optionsD = {
      steps: 1,
      bevelSegments: 0.05,
      bevelEnabled: true,
      extrudePath: curveD //  设置挤出轨迹
    }

    const geometryD = new THREE.ExtrudeGeometry(shapeD, optionsD)
    const meshD = new THREE.Mesh(geometryD, material)
    mesh.updateMatrix()
    meshD.updateMatrix()
    const result = CSG.subtract(mesh, meshD)

    return result.geometry

  }

// 创建ptr的立柱
  public static createPtrFork(): THREE.BufferGeometry {
    // 606.5
    const width = 0.245
    const depth = 0.716
    const dd = 0.05
    const fd = 0.03
    const shape = new THREE.Shape()

    shape.moveTo(-0.728 + width - 0.08, -0.28)
    shape.lineTo(-0.728 + width + 0.02, -0.28)
    shape.lineTo(-0.728 + width + 0.02, -0.27)
    shape.lineTo(-0.728 + width + 0.02 + 1.130 - fd, -0.27)
    shape.lineTo(-0.728 + width + 0.02 + 1.130, -0.27 + fd)
    shape.lineTo(-0.728 + width + 0.02 + 1.130, -0.12 - fd)
    shape.lineTo(-0.728 + width + 0.02 + 1.130 - fd, -0.12)
    shape.lineTo(-0.728 + width + 0.02, -0.12)
    shape.lineTo(-0.728 + width + 0.02, 0.12)
    shape.lineTo(-0.728 + width + 0.02 + 1.130 - fd, 0.12)
    shape.lineTo(-0.728 + width + 0.02 + 1.130, 0.12 + fd)
    shape.lineTo(-0.728 + width + 0.02 + 1.130, 0.27 - fd)
    shape.lineTo(-0.728 + width + 0.02 + 1.130 - fd, 0.27)
    shape.lineTo(-0.728 + width + 0.02, 0.27)
    shape.lineTo(-0.728 + width + 0.02, 0.28)
    shape.lineTo(-0.728 + width - 0.08, 0.28)

    shape.closePath()

    // 拉伸轨迹线
    const curve = new THREE.CatmullRomCurve3(
      [new THREE.Vector3(0, /*0.02*/-0.8, 0), new THREE.Vector3(0, 0.482, 0)],
      false,  // 闭合曲线
      'catmullrom',
      0
    )

    // 挤出几何图形 参数
    const options = {
      steps: 1,
      bevelSegments: 0.05,
      bevelEnabled: true,
      extrudePath: curve //  设置挤出轨迹
    }
    // 创建挤出几何体
    const geometry = new THREE.ExtrudeGeometry(shape, options)
    const material = new THREE.MeshBasicMaterial({color: 0xffdddbca})
    const mesh = new THREE.Mesh(geometry, material)
    mesh.updateMatrix()

    const shapeD = new THREE.Shape()


    shapeD.moveTo(-0.728 + width + 0.02, -0.3)
    shapeD.lineTo(-0.728 + width + 0.02 + 1.2, -0.3)
    shapeD.lineTo(-0.728 + width + 0.02 + 1.2, 0.3)
    shapeD.lineTo(-0.728 + width + 0.02, 0.3)
    shapeD.closePath()

    // 拉伸轨迹线
    const curveD = new THREE.CatmullRomCurve3(
      [new THREE.Vector3(0, 0.07, 0), new THREE.Vector3(0, 0.482, 0)],
      false,  // 闭合曲线
      'catmullrom',
      0
    )

    // 挤出几何图形 参数
    const optionsD = {
      steps: 1,
      bevelSegments: 0.05,
      bevelEnabled: true,
      extrudePath: curveD //  设置挤出轨迹
    }
    // 创建挤出几何体
    const geometryD = new THREE.ExtrudeGeometry(shapeD, optionsD)
    const meshD = new THREE.Mesh(geometryD, material)

    meshD.updateMatrix()


    const shapeDD = new THREE.Shape()


    shapeDD.moveTo(0, 0)
    shapeDD.lineTo(0, 2)
    shapeDD.lineTo(2, 2)
    shapeDD.lineTo(2, 0)
    shapeDD.closePath()

    // 拉伸轨迹线
    const curveDD = new THREE.CatmullRomCurve3(
      [new THREE.Vector3(-1, 0.03, -1), new THREE.Vector3(-1, 0.03, 0.45)],
      false,  // 闭合曲线
      'catmullrom',
      0
    )

    // 挤出几何图形 参数
    const optionsDD = {
      steps: 1,
      bevelSegments: 0.05,
      bevelEnabled: true,
      extrudePath: curveDD //  设置挤出轨迹
    }
    // 创建挤出几何体
    const geometryDD = new THREE.ExtrudeGeometry(shapeDD, optionsDD)
    const meshDD = new THREE.Mesh(geometryDD, material)
    meshDD.updateMatrix()
    // 布尔运算
    let result = CSG.subtract(mesh, meshD)
    result = CSG.subtract(result, meshDD)

    return result.geometry
  }

  public static ptrPedestalGeometry: THREE.BufferGeometry = null
  public static ptrPillarGeometry: THREE.BufferGeometry = null
  public static ptrForkGeometry: THREE.BufferGeometry = null

}