#!/usr/bin/env python

"""Generate the CI matrix"""

import os, sys, configparser, json

rootdir = 'variants/'

options = sys.argv[1:]

outlist=[]

if len(options) < 1:
    print(json.dumps(outlist))
    exit()

for subdir, dirs, files in os.walk(rootdir):
    for file in files:
        if file == 'platformio.ini':
            config = configparser.ConfigParser()
            config.read(subdir + '/' + file)
            for c in config.sections():
                if c.startswith('env:'):
                    section = config[c].name[4:]
                    if 'extends' in config[config[c].name]:
                        if config[config[c].name]['extends'] == options[0] + '_base':
                            if 'board_level' in config[config[c].name]:
                                if ((config[config[c].name]['board_level'] == 'extra') & ('extra' in options)):
                                    outlist.append(section)
                            else:
                                outlist.append(section)

print(json.dumps(outlist))