import * as React from 'react';
import * as THREE from 'three';
import { useThree } from '@react-three/fiber';
import { Line } from '../../core/Line.js';
import { Html } from '../Html.js';
import { context } from './context.js';

const decomposeIntoBasis = (e1, e2, offset) => {
  const i1 = Math.abs(e1.x) >= Math.abs(e1.y) && Math.abs(e1.x) >= Math.abs(e1.z) ? 0 : Math.abs(e1.y) >= Math.abs(e1.x) && Math.abs(e1.y) >= Math.abs(e1.z) ? 1 : 2;
  const e2DegrowthOrder = [0, 1, 2].sort((a, b) => Math.abs(e2.getComponent(b)) - Math.abs(e2.getComponent(a)));
  const i2 = i1 === e2DegrowthOrder[0] ? e2DegrowthOrder[1] : e2DegrowthOrder[0];
  const a1 = e1.getComponent(i1);
  const a2 = e1.getComponent(i2);
  const b1 = e2.getComponent(i1);
  const b2 = e2.getComponent(i2);
  const c1 = offset.getComponent(i1);
  const c2 = offset.getComponent(i2);
  const y = (c2 - c1 * (a2 / a1)) / (b2 - b1 * (a2 / a1));
  const x = (c1 - y * b1) / a1;
  return [x, y];
};
const ray = /* @__PURE__ */new THREE.Ray();
const intersection = /* @__PURE__ */new THREE.Vector3();
const offsetMatrix = /* @__PURE__ */new THREE.Matrix4();
const PlaneSlider = ({
  dir1,
  dir2,
  axis
}) => {
  const {
    translation,
    translationLimits,
    annotations,
    annotationsClass,
    depthTest,
    scale,
    lineWidth,
    fixed,
    axisColors,
    hoveredColor,
    opacity,
    renderOrder,
    onDragStart,
    onDrag,
    onDragEnd,
    userData
  } = React.useContext(context);
  const camControls = useThree(state => state.controls);
  const divRef = React.useRef(null);
  const objRef = React.useRef(null);
  const clickInfo = React.useRef(null);
  const offsetX0 = React.useRef(0);
  const offsetY0 = React.useRef(0);
  const [isHovered, setIsHovered] = React.useState(false);
  const onPointerDown = React.useCallback(e => {
    if (annotations) {
      divRef.current.innerText = `${translation.current[(axis + 1) % 3].toFixed(2)}, ${translation.current[(axis + 2) % 3].toFixed(2)}`;
      divRef.current.style.display = 'block';
    }
    e.stopPropagation();
    const clickPoint = e.point.clone();
    const origin = new THREE.Vector3().setFromMatrixPosition(objRef.current.matrixWorld);
    const e1 = new THREE.Vector3().setFromMatrixColumn(objRef.current.matrixWorld, 0).normalize();
    const e2 = new THREE.Vector3().setFromMatrixColumn(objRef.current.matrixWorld, 1).normalize();
    const normal = new THREE.Vector3().setFromMatrixColumn(objRef.current.matrixWorld, 2).normalize();
    const plane = new THREE.Plane().setFromNormalAndCoplanarPoint(normal, origin);
    clickInfo.current = {
      clickPoint,
      e1,
      e2,
      plane
    };
    offsetX0.current = translation.current[(axis + 1) % 3];
    offsetY0.current = translation.current[(axis + 2) % 3];
    onDragStart({
      component: 'Slider',
      axis,
      origin,
      directions: [e1, e2, normal]
    });
    camControls && (camControls.enabled = false);
    // @ts-ignore
    e.target.setPointerCapture(e.pointerId);
  }, [annotations, camControls, onDragStart, axis]);
  const onPointerMove = React.useCallback(e => {
    e.stopPropagation();
    if (!isHovered) setIsHovered(true);
    if (clickInfo.current) {
      const {
        clickPoint,
        e1,
        e2,
        plane
      } = clickInfo.current;
      const [minX, maxX] = (translationLimits == null ? void 0 : translationLimits[(axis + 1) % 3]) || [undefined, undefined];
      const [minY, maxY] = (translationLimits == null ? void 0 : translationLimits[(axis + 2) % 3]) || [undefined, undefined];
      ray.copy(e.ray);
      ray.intersectPlane(plane, intersection);
      ray.direction.negate();
      ray.intersectPlane(plane, intersection);
      intersection.sub(clickPoint);
      let [offsetX, offsetY] = decomposeIntoBasis(e1, e2, intersection);
      /* let offsetY = (intersection.y - (intersection.x * e1.y) / e1.x) / (e2.y - (e2.x * e1.y) / e1.x)
      let offsetX = (intersection.x - offsetY * e2.x) / e1.x */
      if (minX !== undefined) {
        offsetX = Math.max(offsetX, minX - offsetX0.current);
      }
      if (maxX !== undefined) {
        offsetX = Math.min(offsetX, maxX - offsetX0.current);
      }
      if (minY !== undefined) {
        offsetY = Math.max(offsetY, minY - offsetY0.current);
      }
      if (maxY !== undefined) {
        offsetY = Math.min(offsetY, maxY - offsetY0.current);
      }
      translation.current[(axis + 1) % 3] = offsetX0.current + offsetX;
      translation.current[(axis + 2) % 3] = offsetY0.current + offsetY;
      if (annotations) {
        divRef.current.innerText = `${translation.current[(axis + 1) % 3].toFixed(2)}, ${translation.current[(axis + 2) % 3].toFixed(2)}`;
      }
      offsetMatrix.makeTranslation(offsetX * e1.x + offsetY * e2.x, offsetX * e1.y + offsetY * e2.y, offsetX * e1.z + offsetY * e2.z);
      onDrag(offsetMatrix);
    }
  }, [annotations, onDrag, isHovered, translation, translationLimits, axis]);
  const onPointerUp = React.useCallback(e => {
    if (annotations) {
      divRef.current.style.display = 'none';
    }
    e.stopPropagation();
    clickInfo.current = null;
    onDragEnd();
    camControls && (camControls.enabled = true);
    // @ts-ignore
    e.target.releasePointerCapture(e.pointerId);
  }, [annotations, camControls, onDragEnd]);
  const onPointerOut = React.useCallback(e => {
    e.stopPropagation();
    setIsHovered(false);
  }, []);
  const matrixL = React.useMemo(() => {
    const dir1N = dir1.clone().normalize();
    const dir2N = dir2.clone().normalize();
    return new THREE.Matrix4().makeBasis(dir1N, dir2N, dir1N.clone().cross(dir2N));
  }, [dir1, dir2]);
  const pos1 = fixed ? 1 / 7 : scale / 7;
  const length = fixed ? 0.225 : scale * 0.225;
  const color = isHovered ? hoveredColor : axisColors[axis];
  const points = React.useMemo(() => [new THREE.Vector3(0, 0, 0), new THREE.Vector3(0, length, 0), new THREE.Vector3(length, length, 0), new THREE.Vector3(length, 0, 0), new THREE.Vector3(0, 0, 0)], [length]);
  return /*#__PURE__*/React.createElement("group", {
    ref: objRef,
    matrix: matrixL,
    matrixAutoUpdate: false
  }, annotations && /*#__PURE__*/React.createElement(Html, {
    position: [0, 0, 0]
  }, /*#__PURE__*/React.createElement("div", {
    style: {
      display: 'none',
      background: '#151520',
      color: 'white',
      padding: '6px 8px',
      borderRadius: 7,
      whiteSpace: 'nowrap'
    },
    className: annotationsClass,
    ref: divRef
  })), /*#__PURE__*/React.createElement("group", {
    position: [pos1 * 1.7, pos1 * 1.7, 0]
  }, /*#__PURE__*/React.createElement("mesh", {
    visible: true,
    onPointerDown: onPointerDown,
    onPointerMove: onPointerMove,
    onPointerUp: onPointerUp,
    onPointerOut: onPointerOut,
    scale: length,
    userData: userData,
    renderOrder: renderOrder
  }, /*#__PURE__*/React.createElement("planeGeometry", null), /*#__PURE__*/React.createElement("meshBasicMaterial", {
    transparent: true,
    depthTest: depthTest,
    color: color,
    polygonOffset: true,
    polygonOffsetFactor: -10,
    side: THREE.DoubleSide,
    fog: false
  })), /*#__PURE__*/React.createElement(Line, {
    position: [-length / 2, -length / 2, 0],
    transparent: true,
    depthTest: depthTest,
    points: points,
    lineWidth: lineWidth,
    color: color,
    opacity: opacity,
    polygonOffset: true,
    polygonOffsetFactor: -10,
    userData: userData,
    fog: false,
    renderOrder: renderOrder
  })));
};

export { PlaneSlider };
