// 参数名称:authCode    值: 所有:0 化工销售:HXXT; 炼油销售:LXXT;  江苏石油:CPYXT;  销售华东:XSHD
let SysAuthCode = '0'
/**
 * Created by liangruizhe on 2019/01/14
 */
// ==============时间===============
// 获取当前时间
function GetCurrentTime() {
    var today = new Date()
    var year = today.getFullYear()
    var month = today.getMonth() + 1
    var day = today.getDate() > 9 ? today.getDate() : '0' + today.getDate()
    var hours = today.getHours() > 9 ? today.getHours() : '0' + today.getHours()
    var minutes = today.getMinutes() > 9 ? today.getMinutes() : '0' + today.getMinutes()
    var seconds = today.getSeconds() > 9 ? today.getSeconds() : '0' + today.getSeconds()
    return year + '-' + month + '-' + day + ' ' + hours + ':' + minutes + ':' + seconds
}
// 获取当天零点时间
function GetCurrentDayTime() {
    var today = new Date()
    var year = today.getFullYear()
    var month = today.getMonth() + 1
    var day = today.getDate() > 9 ? today.getDate() : '0' + today.getDate()
    return year + '-' + month + '-' + day + ' 00:01:01'
}
// UtcToDateTime
function UtcToDateTime(time) {
    var date = new Date(time)
    var year = date.getFullYear()
    var month = date.getMonth() + 1
    var day = date.getDate()
    var hour = date.getHours()
    var minute = date.getMinutes()
    var second = date.getSeconds()
    return year + '-' + month + '-' + day + ' ' + hour + ':' + minute + ':' + second
}
// UtcToMonDate
function UtcToMonDate(time) {
    var date = new Date(time)
    var month = date.getMonth() + 1
    var day = date.getDate()
    var hour = date.getHours()
    var minute = date.getMinutes()
    var second = date.getSeconds()
    return month + '/' + day + ' ' + hour + ':' + minute + ':' + second
}
// yyyy-MM-dd
function convertDateFromString(dateString) {
    if (dateString) {
        var date = new Date(dateString.replace(/-/, '/'))
        return date
    }
}
// yyyy-MM-dd hh:mm:ss
function convertDateTimeFromString(dateString) {
    if (dateString) {
        var arr1 = dateString.split(' ')
        var sdate = arr1[0].split('-')
        var stime = arr1[1].split(':')
        var date = new Date(sdate[0], sdate[1] - 1, sdate[2], stime[0], stime[1], stime[2])
        return date
    }
}
// ==============空间计算===============
// 计算点串距离
function getLength(arrPnts, isJwd) {
    var dist = 0
    var length = 0
    var offset = 103133.845
    var fntPnt = null
    var lastPnt = null
    if (isJwd === undefined) isJwd = true
    if (arrPnts.length < 2) {
        return 0
    }
    for (var i = 0; i < arrPnts.length - 1; i++) {
        fntPnt = arrPnts[i]
        lastPnt = arrPnts[i + 1]
        if (lastPnt) {
            var xD = Math.abs(fntPnt.x - lastPnt.x)
            var yD = Math.abs(fntPnt.y - lastPnt.y)

            if (isJwd) {
                if (Math.abs(fntPnt.x) > 180) {
                    xD = xD / 3600
                    yD = yD / 3600
                }
                dist = (Math.sqrt(Math.pow(xD, 2) + Math.pow(yD, 2))) * offset
            } else {
                dist = (Math.sqrt(Math.pow(xD, 2) + Math.pow(yD, 2)))
            }

            length += dist
        }
    }
    return length
}

// 计算点到线段的距离
function getDistance(point, lineP1, lineP2) {
    var a = Number((lineP1.y - lineP2.y) / (lineP1.x - lineP2.x))
    var b = -1
    var c = Number(lineP2.y - a * lineP2.x)
    var td = Math.abs(a * point.x + b * point.y + c) / Math.sqrt(a * a + b * b)
    return td
}

export default {
    SysAuthCode,
    getDistance,
    getLength,
    GetCurrentTime,
    GetCurrentDayTime,
    UtcToDateTime,
    UtcToMonDate,
    convertDateFromString,
    convertDateTimeFromString
}