import pytest

from app.commands import parse


def test_telegram_basic():
    cmd = parse("telegram", "/status")
    assert (cmd.name, cmd.args, cmd.rest) == ("status", (), "")


def test_matrix_prefix():
    assert parse("matrix", "!problems").name == "problems"
    assert parse("matrix", "/problems") is None
    assert parse("telegram", "!problems") is None


def test_botname_suffix():
    assert parse("telegram", "/host@checkbot web01").args == ("web01",)
    assert parse("telegram", "/host@checkbot web01", bot_name="checkbot").name == "host"
    assert parse("telegram", "/host@other web01", bot_name="checkbot") is None
    assert parse("matrix", "!host@x web01") is None


def test_quoting():
    cmd = parse("telegram", '/explain web01 "CPU load"')
    assert cmd.args == ("web01", "CPU load")
    assert parse("telegram", "/explain web01 „CPU load“").args == ("web01", "CPU load")


def test_unbalanced_quote_takes_rest():
    assert parse("telegram", '/explain web01 "CPU load').args == ("web01", "CPU load")


def test_case_insensitive_name():
    assert parse("telegram", "/STATUS").name == "status"


def test_rest_preserved_for_ask():
    cmd = parse("telegram", "/ask   was ist   los? ")
    assert cmd.rest == "was ist   los?"


@pytest.mark.parametrize("text", ["hallo", "", "   ", "/", "//x", "/ status", "!!!", "/1abc", "text /status"])
def test_non_commands(text):
    assert parse("telegram", text) is None
    assert parse("matrix", text) is None


def test_unknown_backend():
    assert parse("irc", "/status") is None


def test_empty_quoted_arg():
    assert parse("telegram", '/x ""').args == ("",)