package proj

import (
	_ "embed"
	"github.com/dop251/goja"
)

//go:embed proj4.js
var proj4 string

var CGCS2000_to_WGS84 func(degrees int, cscs2000 [][]string) string
var WGS84_to_CGCS2000 func(degrees int, wgs84 [][]string) string

func InitProj() {
	vm := goja.New()
	vm.RunString(proj4)
	vm.ExportTo(vm.Get("CGCS2000_to_WGS84"), &CGCS2000_to_WGS84)
	vm.ExportTo(vm.Get("WGS84_to_CGCS2000"), &WGS84_to_CGCS2000)
	//var ss [][]string
	//ss = append(ss, []string{
	//	"106.545463204423", "23.467020901621", "805.6832",
	//})
	//s := WGS84_to_CGCS2000(108, ss)
	//fmt.Println(s)
}