import os
import gpxpy
import gpxpy.gpx
from ChangeCoordinate import ChangeCoord

def process(file):
    gpx_file = open('./keep/'+file, 'r', encoding='utf-8')
    gpx = gpxpy.parse(gpx_file)

    ngpx = gpxpy.gpx.GPX()

    gpx_track = gpxpy.gpx.GPXTrack()
    ngpx.tracks.append(gpx_track)

    gpx_segment = gpxpy.gpx.GPXTrackSegment()
    gpx_track.segments.append(gpx_segment)
    
    p = None
    for track in gpx.tracks:
        for segment in track.segments:
            for point in segment.points:
                if p and point.latitude == p.latitude and point.longitude == p.longitude:
                    continue
                lon, lat = coord.gcj02_to_wgs84(point.longitude, point.latitude)
                gpx_segment.points.append(gpxpy.gpx.GPXTrackPoint(lat, lon, time=point.time))
                p = point

    with open('./new/'+file, 'w', encoding='utf-8') as f:
        f.write(ngpx.to_xml())


coord = ChangeCoord()
files = os.listdir('./keep')
for file in files:
    process(file)