/*
 * @Author: shuishen 1109946754@qq.com
 * @Date: 2023-03-31 10:52:25
 * @LastEditors: shuishen 1109946754@qq.com
 * @LastEditTime: 2023-05-06 16:52:41
 * @FilePath: \srs-police-affairs\src\utils\turfPolygon.js
 * @Description: 
 * 
 * Copyright (c) 2023 by ${git_name_email}, All Rights Reserved. 
 */
import * as turf from '@turf/turf'

function getAllRegionCenter (data) {
    let arr = []

    data.forEach(item => {
        if (item.position && item.position.length > 0) {
            arr.push(getRegionCenter(item.position))
        }
    })

    arr.push(arr[0])

    if (arr.length == 1) {
        return arr[0]
    } else if (arr.length == 2) {

        return turf.centroid(turf.midpoint(turf.point(arr[0]), turf.point(arr[1]))).geometry.coordinates
    } else {
        arr.push(arr[0])

        return turf.centroid(turf.polygon([arr])).geometry.coordinates
    }
}

function getRegionCenter (params) {
    let arr = []

    params.forEach(areaArray => {
        JSON.parse(areaArray).coordinates.forEach(item => {
            arr.push(turf.centroid(turf.polygon([item[0]])).geometry.coordinates)
        })
    })

    if (arr.length == 1) {
        return arr[0]
    } else if (arr.length == 2) {

        return turf.centroid(turf.midpoint(turf.point(arr[0]), turf.point(arr[1]))).geometry.coordinates
    } else {
        arr.push(arr[0])

        return turf.centroid(turf.polygon([arr])).geometry.coordinates
    }
}

export const computerCapacity = (data, type = '') => {

    if (type != '') {

        const center = getAllRegionCenter(data)

        if (type == 'all') {

            global.viewer.flyToPosition(
                new global.DC.Position(
                    Number(center[0] + 0.03),
                    Number(center[1] - 0.30),
                    Number(36000),
                    Number(-3),
                    Number(-45),
                    Number(0)
                ),
                function () { },
                3
            )

        } else {

            global.viewer.flyToPosition(
                new global.DC.Position(
                    Number(center[0] + 0.0046),
                    Number(center[1] - 0.04),
                    Number(4000),
                    Number(-3),
                    Number(-45),
                    Number(0)
                ),
                function () { },
                3
            )

        }
    } else {
        let pointArr = []
        data.forEach(item => {
            if (item.longitude && item.latitude) {
                pointArr.push(turf.point([item.longitude, item.latitude]))
                return
            }

            if (item.lng && item.lat) {
                pointArr.push(turf.point([item.lng, item.lat]))
                return
            }
        })

        const features = turf.featureCollection(pointArr)

        const scope = turf.envelope(features).bbox

        // const poly = turf.polygon([[[0, 29], [3.5, 29], [2.5, 32], [0, 29]]])

        global.viewer.flyToBounds(scope,
            { heading: 0, pitch: -45, roll: 0 },
            (e) => { },
            3
        )
    }
}

export const getMapBounds = (data, type = '') => {
    let pointArr = []

    data.forEach(item => {
        pointArr.push(turf.point([item.x, item.y]))
        return
    })

    const features = turf.featureCollection(pointArr)

    const scope = turf.envelope(features).bbox

    // const poly = turf.polygon([[[0, 29], [3.5, 29], [2.5, 32], [0, 29]]])

    return scope
}

export const getLineSpeed = (data) => {
    var line = turf.lineString(data)
    var length = turf.length(line, { units: 'miles' })

    return length * 1000 / 50
}