#!/usr/bin/env python

import subprocess
import sys

CRIT = 90.0
MOUNT_BLACKLIST = ['/dev', '/efi', '/proc', '/run', '/sys', '/tmp']


def main():
    output = subprocess.check_output([
        'sh', '-c', 'df -a -B 1 | awk \'{ printf "%s\\t%d\\t%d\\n", $6, $2, $4 }\''
    ]).decode('utf-8')

    fs = {}
    for line in output.split('\n'):
        if len(line) == 0 or line[0] != '/':
            continue
        (mountpoint, total, available) = line.split('\t')
        fs[mountpoint] = (total, available)

    color = '#50fa7b'

    strings = []
    for mount, data in fs.items():
        skip = False
        for b in MOUNT_BLACKLIST:
            if mount.startswith(b):
                skip = True

        if skip:
            continue

        usage = 0.0
        if float(data[0]) > 0.0:
            usage = (1 - float(data[1])/float(data[0])) * 100.0

        if usage > CRIT:
            color = '#dd0000'

        strings.append('<span color="#8FAAFC">{}</span>: <span color="{}">{:.0f}%</span>'.format(
            mount,
            color,
            usage,
        ))

    print('\ufaed '+' '.join(strings))


if __name__ == '__main__':
    main()