#!/usr/bin/env python3
import argparse
import sys
import traceback
import warnings

from cloudflarepycli import cloudflareclass

import checker.nagios as nagios
from checker.linuxfabric.base import get_state
from checker import print_icinga2_check_status


def main():
    """
    Copied from __main__.py
    https://github.com/tevslin/cloudflarepycli/blob/main/src/cloudflarepycli/__main__.py
    """
    parser = argparse.ArgumentParser(description='Check internet speed.')
    parser.add_argument('--warn-up', type=int, default=0, help='Warn level of upload speed in Mbps.')
    parser.add_argument('--critical-up', type=int, default=0, help='Critical level of upload speed in Mbps.')
    parser.add_argument('--warn-down', type=int, default=0, help='Warn level of download speed in Mbps.')
    parser.add_argument('--critical-down', type=int, default=0, help='Critical level of download speed in Mbps.')
    parser.add_argument('--warn-latency', type=int, default=60, help='Warn level of latency in ms.')
    parser.add_argument('--critical-latency', type=int, default=100, help='Critical level of latency in ms.')
    args = parser.parse_args()

    # Silence this error:
    """
    lib/python3.10/site-packages/numpy/core/fromnumeric.py:3464: RuntimeWarning: Mean of empty slice.
      return _methods._mean(a, axis=axis, dtype=dtype,
    lib/python3.10/site-packages/numpy/core/_methods.py:192: RuntimeWarning: invalid value encountered in scalar divide
      ret = ret.dtype.type(ret / rcount)
    """
    with warnings.catch_warnings():
        warnings.simplefilter("ignore", category=RuntimeWarning)
        speedtest_results = cloudflareclass.cloudflare(printit=False).runalltests()

    upload_speed_state = get_state(speedtest_results['90th_percentile_upload_speed']['value'], args.warn_up, args.critical_up, _operator='le')
    download_speed_state = get_state(speedtest_results['90th_percentile_download_speed']['value'], args.warn_down, args.critical_down, _operator='le')
    latency_state = get_state(speedtest_results['latency_ms']['value'], args.warn_latency, args.critical_latency, _operator='ge')
    exit_code = max(upload_speed_state, download_speed_state, latency_state)
    text_result = f"upload: {speedtest_results['90th_percentile_upload_speed']['value']} Mbps, download: {speedtest_results['90th_percentile_download_speed']['value']} Mbps, latency: {speedtest_results['latency_ms']['value']} ms, jitter: {speedtest_results['Jitter_ms']['value']} ms"

    perfdata = {
        'upload': {
            'value': speedtest_results['90th_percentile_upload_speed']['value'] * 1e+6,
            'warn': args.warn_up * 1e+6,
            'crit': args.critical_up * 1e+6,
            'min': 0,
            'unit': 'B'
        },
        'download': {
            'value': speedtest_results['90th_percentile_download_speed']['value'] * 1e+6,
            'warn': args.warn_down * 1e+6,
            'crit': args.critical_down * 1e+6,
            'min': 0,
            'unit': 'B'
        },
        'latency_ms': {
            'value': speedtest_results['latency_ms']['value'],
            'warn': args.warn_latency,
            'crit': args.critical_latency,
            'min': 0,
            'unit': 'ms'
        },
        'jitter_ms': {
            'value': speedtest_results['Jitter_ms']['value'],
            'min': 0,
            'unit': 'ms'
        }

    }

    print_icinga2_check_status(text_result, exit_code, perfdata)
    sys.exit(exit_code)


if __name__ == "__main__":
    try:
        main()
    except Exception as e:
        print(f'UNKNOWN: exception "{e}"')
        print(traceback.format_exc())
        sys.exit(nagios.UNKNOWN)