#!/usr/bin/env python3
#
# Determine if this tool can run a test based on a test spec.
#

import datetime
import sys

import pscheduler

json = pscheduler.json_load(exit_on_error=True)

try:
    if json['type'] != 'latency':
        pscheduler.succeed_json({
            "can-run": False,
            "reasons": [ "Unsupported test type" ]
        })
except KeyError:
    pscheduler.succeed_json({
        "can-run": False,
        "reasons": [ "Missing test type" ]
    })

try:
    spec = json["spec"]
    pscheduler.json_check_schema(spec, 4)
except KeyError:
    pscheduler.succeed_json({
        "can-run": False,
        "reasons": ["Missing test specification"]
    })
except ValueError as ex:
    pscheduler.succeed_json({
        "can-run": False,
        "reasons": [str(ex)]
    })



errors = []

try:
    protocol = spec['protocol']
    if protocol != 'owamp':
        errors.append(f'Protocol "{protocol}" is not supported.')
except KeyError:
    pass

result = {"can-run": len(errors) == 0}
if len(errors) > 0:
    result["reasons"] = errors

pscheduler.succeed_json(result)
