"""These tests make sure that you can select which components should be returned.

By default, it should be events.
If a component is not supported, an error is raised.
"""

import pytest


@pytest.mark.parametrize(
    ("components", "count", "calendar", "message"),
    [
        (None, 0, "issue_97_simple_todo", "by default, only events are returned"),
        (None, 0, "issue_97_simple_journal", "by default, only events are returned"),
        ([], 0, "rdate", "no components, no result"),
        ([], 0, "issue_97_simple_todo", "no components, no result"),
        ([], 0, "issue_97_simple_journal", "no components, no result"),
        (["VEVENT"], 0, "issue_97_simple_todo", "no events in the calendar"),
        (["VEVENT"], 0, "issue_97_simple_journal", "no events in the calendar"),
        (["VJOURNAL"], 0, "issue_97_simple_todo", "no journal, just a todo"),
        (["VTODO"], 1, "issue_97_simple_todo", "one todo is found"),
        (["VTODO"], 0, "issue_97_simple_journal", "no todo, just a journal"),
        (["VJOURNAL"], 1, "issue_97_simple_journal", "one journal is found"),
        (["VTODO", "VEVENT"], 0, "issue_97_simple_journal", "no todo, just a journal"),
        (["VJOURNAL", "VEVENT"], 1, "issue_97_simple_journal", "one journal is found"),
        (
            ["VJOURNAL", "VEVENT", "VTODO"],
            1,
            "issue_97_simple_journal",
            "one journal is found",
        ),
    ],
)
def test_components_and_their_count(calendars, components, count, calendar, message):
    calendars.components = components
    repeated_components = calendars[calendar].at(2022)
    print(repeated_components)
    assert len(repeated_components) == count, f"{message}: {components}, {calendar}"


@pytest.mark.parametrize(
    "component",
    [
        "VALARM",  # existing but not supported, yet
        "vevent",  # misspelled
        "ALDHKSJHK",  # does not exist
    ],
)
def test_unsupported_component_raises_error(component, calendars):
    """If a component is not recognized, we want to inform the user."""
    with pytest.raises(ValueError) as error:
        calendars.components = [component]
        calendars.rdate  # noqa: B018
    assert f'"{component}"' in str(error)