#!/usr/bin/env python3

#

from mosq_test_helper import *

def do_test(args, stderr_expected, rc_expected):
    rc = 1

    port = mosq_test.get_port()

    env = {
            'LD_LIBRARY_PATH': mosq_test.get_build_root() + '/lib',
            'XDG_CONFIG_HOME':'/tmp/missing'
            }
    cmd = ['../../client/mosquitto_pub'] + args

    pub = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, env=env)
    if mosq_test.wait_for_subprocess(pub):
        print("pub not terminated")
        raise mosq_test.TestError(1)
    (stdo, stde) = pub.communicate()
    if pub.returncode != rc_expected:
        raise mosq_test.TestError(pub.returncode)
    if stderr_expected is not None and stde.decode('utf-8') != stderr_expected:
        raise mosq_test.TestError(stde)


if __name__ == '__main__':
    helps = "\nUse 'mosquitto_pub --help' to see usage.\n"

    # Missing args
    do_test(['--cafile'], "Error: --cafile argument given but no file specified.\n\n" + helps, 1)
    do_test(['--capath'], "Error: --capath argument given but no directory specified.\n\n" + helps, 1)
    do_test(['--cert'], "Error: --cert argument given but no file specified.\n\n" + helps, 1)
    do_test(['--ciphers'], "Error: --ciphers argument given but no ciphers specified.\n\n" + helps, 1)
    do_test(['--key'], "Error: --key argument given but no file specified.\n\n" + helps, 1)
    do_test(['--keyform'], "Error: --keyform argument given but no keyform specified.\n\n" + helps, 1)
    do_test(['--tls-alpn'], "Error: --tls-alpn argument given but no protocol specified.\n\n" + helps, 1)
    do_test(['--tls-engine'], "Error: --tls-engine argument given but no engine_id specified.\n\n" + helps, 1)
    do_test(['--tls-engine-kpass-sha1'], "Error: --tls-engine-kpass-sha1 argument given but no kpass sha1 specified.\n\n" + helps, 1)
    do_test(['--tls-version'], "Error: --tls-version argument given but no version specified.\n\n" + helps, 1)

    # Invalid combinations
    do_test(['--cert', 'file'], "Error: Both certfile and keyfile must be provided if one of them is set.\n" + helps, 1)
    do_test(['--key', 'file'], "Error: Both certfile and keyfile must be provided if one of them is set.\n" + helps, 1)
    do_test(['--keyform', 'file'], "Error: If keyform is set, keyfile must be also specified.\n" + helps, 1)
    do_test(['--tls-engine-kpass-sha1', 'hash'], "Error: when using tls-engine-kpass-sha1, both tls-engine and keyform must also be provided.\n" + helps, 1)

    # Invalid values
    do_test(['-t','topic','-m','1', '--cafile', 'missing'], "Error: Problem setting TLS options: File not found.\n", 1)