package com.ruoyi.alarm.tubeAlarm.service.impl;

import java.util.ArrayList;
import java.util.List;

public class LeakPointCalculation {
    public static void main(String[] args) {
        // 假设有三段管线
        List<Point3D> pipeline = new ArrayList<>();
        pipeline.add(new Point3D(124.925198285, 46.68693001, 147.5));     // 第一段管线的起点坐标
        pipeline.add(new Point3D(124.925490653, 46.687071291, 148.2));  // 第一段管线的终点坐标和高程
        pipeline.add(new Point3D(124.926401943, 46.686812672, 143.5));  // 第二段管线的终点坐标和高程
        pipeline.add(new Point3D(124.926981879, 46.686644854, 147.4));  // 第三段管线的终点坐标和高程

        double leakPointDistance = 100.0;  // 泄漏点相对于管线起点的长度

        // 1. 确定泄漏点所在的管线段
        Point3D startPoint = null;
        Point3D endPoint = null;
        double accumulatedLength = 0.0;
        for (int i = 0; i < pipeline.size() - 1; i++) {
            startPoint = pipeline.get(i);
            endPoint = pipeline.get(i + 1);
            double segmentLength = calculateDistance(startPoint, endPoint);
            accumulatedLength += segmentLength;
            if (accumulatedLength >= leakPointDistance) {
                break;
            }
        }

        // 2. 计算泄漏点在所在管线段上的相对位置
        double relativePosition = (accumulatedLength - leakPointDistance) / calculateDistance(startPoint, endPoint);

        // 3. 计算泄漏点的坐标
        double x = startPoint.getX() + (endPoint.getX() - startPoint.getX()) * relativePosition;
        double y = startPoint.getY() + (endPoint.getY() - startPoint.getY()) * relativePosition;
        double z = startPoint.getZ() + (endPoint.getZ() - startPoint.getZ()) * relativePosition;

        Point3D leakPoint = new Point3D(x, y, z);
        System.out.println("泄漏点坐标：" + leakPoint);
    }

    // 计算两个点之间的距离
    private static double calculateDistance(Point3D point1, Point3D point2) {
        double dx = point2.getX() - point1.getX();
        double dy = point2.getY() - point1.getY();
        double dz = point2.getZ() - point1.getZ();
        return Math.sqrt(dx * dx + dy * dy + dz * dz);
    }
}