#!/usr/bin/env python
#
# Copyright (c) 2022, The OpenThread Authors.
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# This script merges the device fields in the argument file to `deviceInputFields.xml` in Harness
# If a device field appears in both files, it will only keep that in the argument file

import os
import sys
import xml.etree.ElementTree as ET

HARNESS_XML_PATH = r'%s\GRL\Thread1.2\Web\data\deviceInputFields.xml' % os.environ['systemdrive']


def main():
    tree = ET.parse(HARNESS_XML_PATH)
    root = tree.getroot()
    added = ET.parse(sys.argv[1]).getroot()

    added_names = set(device.attrib['name'] for device in added.iter('DEVICE'))
    # If some devices already exist, remove them first, and then add them back in case of update
    removed_devices = filter(lambda x: x.attrib['name'] in added_names, root.iter('DEVICE'))

    for device in removed_devices:
        root.remove(device)
    for device in added.iter('DEVICE'):
        root.append(device)

    tree.write(HARNESS_XML_PATH)


if __name__ == '__main__':
    main()