import os
import sys
from typing import Callable
from _pytest.pytester import RunResult

from tests.cli.conftest import RASA_EXE


def test_run_does_not_start(run_in_simple_project: Callable[..., RunResult]):
    os.remove("domain.yml")

    # the server should not start as no model is configured
    output = run_in_simple_project("run")

    error = "No model found. You have three options to provide a model:"

    assert any(error in line for line in output.outlines)


def test_run_help(
    run: Callable[..., RunResult],
):
    output = run("run", "--help")

    if sys.version_info.minor >= 9:
        # This is required because `argparse` behaves differently on
        # Python 3.9 and above. The difference is the changed formatting of help
        # output for CLI arguments with `nargs="*"
        version_dependent = """[-i INTERFACE] [-p PORT] [-t AUTH_TOKEN] [--cors [CORS ...]]
                [--enable-api] [--response-timeout RESPONSE_TIMEOUT]"""  # noqa: E501
    else:
        version_dependent = """[-i INTERFACE] [-p PORT] [-t AUTH_TOKEN]
                [--cors [CORS [CORS ...]]] [--enable-api]
                [--response-timeout RESPONSE_TIMEOUT]"""

    help_text = (
        f"""usage: {RASA_EXE} run [-h] [-v] [-vv] [--quiet]
                [--logging-config-file LOGGING_CONFIG_FILE] [-m MODEL]
                [--log-file LOG_FILE] [--use-syslog]
                [--syslog-address SYSLOG_ADDRESS] [--syslog-port SYSLOG_PORT]
                [--syslog-protocol SYSLOG_PROTOCOL] [--endpoints ENDPOINTS]
                """
        + version_dependent
        + """
                [--remote-storage REMOTE_STORAGE]
                [--ssl-certificate SSL_CERTIFICATE]
                [--ssl-keyfile SSL_KEYFILE] [--ssl-ca-file SSL_CA_FILE]
                [--ssl-password SSL_PASSWORD] [--credentials CREDENTIALS]
                [--connector CONNECTOR] [--jwt-secret JWT_SECRET]
                [--jwt-method JWT_METHOD] [--jwt-private-key JWT_PRIVATE_KEY]
                {actions} ... [model-as-positional-argument]"""
    )

    lines = help_text.split("\n")
    # expected help text lines should appear somewhere in the output
    printed_help = {line.strip() for line in output.outlines}
    for line in lines:
        assert line.strip() in printed_help


def test_run_action_help(
    run: Callable[..., RunResult],
):
    output = run("run", "actions", "--help")

    if sys.version_info.minor >= 9:
        # This is required because `argparse` behaves differently on
        # Python 3.9 and above. The difference is the changed formatting of help
        # output for CLI arguments with `nargs="*"
        help_text = f"""usage: {RASA_EXE} run actions [-h] [-v] [-vv] [--quiet]
                        [--logging-config-file LOGGING_CONFIG_FILE] [-p PORT]
                        [--cors [CORS ...]] [--actions ACTIONS]"""
    else:
        help_text = f"""usage: {RASA_EXE} run actions [-h] [-v] [-vv] [--quiet]
                        [--logging-config-file LOGGING_CONFIG_FILE] [-p PORT]
                        [--cors [CORS [CORS ...]]] [--actions ACTIONS]"""

    lines = help_text.split("\n")
    # expected help text lines should appear somewhere in the output
    printed_help = {line.strip() for line in output.outlines}
    for line in lines:
        assert line.strip() in printed_help