"""Blocking policy: when it is on, and what is on the list."""

from __future__ import annotations

from app.services import blocker_service, pomodoro, settings_service


def test_disabled_blocker_blocks_nothing(session, settings):
    pomodoro.start(session, settings, kind="work")
    policy = blocker_service.policy(session, settings)
    assert policy["active"] is False and policy["domains"] == []


def test_during_work_mode_follows_the_timer(session, settings):
    settings.blocker.enabled = True
    settings.blocker.blocked_domains = ["youtube.com"]
    settings_service.save_settings(session, settings)

    assert blocker_service.policy(session, settings)["active"] is False

    pomodoro.start(session, settings, kind="work")
    policy = blocker_service.policy(session, settings)
    assert policy["active"] is True
    assert "www.youtube.com" in policy["domains"]

    pomodoro.complete(session, settings, auto_next=False)
    assert blocker_service.policy(session, settings)["active"] is False


def test_breaks_do_not_block_unless_asked(session, settings):
    settings.blocker.enabled = True
    settings_service.save_settings(session, settings)
    pomodoro.start(session, settings, kind="short_break")
    assert blocker_service.policy(session, settings)["active"] is False

    settings.blocker.block_during_breaks = True
    settings_service.save_settings(session, settings)
    assert blocker_service.policy(session, settings)["active"] is True


def test_always_mode_ignores_the_timer(session, settings):
    settings.blocker.enabled = True
    settings.blocker.mode = "always"
    settings_service.save_settings(session, settings)
    assert blocker_service.policy(session, settings)["active"] is True


def test_allowlist_wins_over_the_blocklist(session, settings):
    settings.blocker.blocked_domains = ["youtube.com"]
    settings.blocker.allowed_domains = ["m.youtube.com"]
    hosts = blocker_service.expand_domains(settings)
    assert "youtube.com" in hosts
    assert "m.youtube.com" not in hosts


def test_events_are_grouped_for_the_report(session, settings):
    for _ in range(3):
        blocker_service.record_event(session, settings, kind="domain", target="YouTube.com")
    blocker_service.record_event(session, settings, kind="app", target="steam")
    summary = blocker_service.events_for_day(session, settings)
    assert summary["total"] == 4
    assert summary["by_target"][0] == {"target": "youtube.com", "count": 3}


def test_masked_subdomains_are_expanded(session, settings):
    """A hosts file has no wildcards, so `*.x` has to become real names."""
    settings.blocker.blocked_domains = ["*.google.com"]
    settings.blocker.subdomain_expansions = ["www", "mail"]
    hosts = blocker_service.expand_domains(settings)
    assert hosts == ["google.com", "www.google.com", "mail.google.com"]


def test_allow_masks_carve_holes_in_block_masks(session, settings):
    settings.blocker.blocked_domains = ["*.google.com", "reddit.com"]
    settings.blocker.subdomain_expansions = ["www", "docs"]
    settings.blocker.allowed_domains = ["docs.*", "m.reddit.com"]
    hosts = blocker_service.expand_domains(settings)
    assert "docs.google.com" not in hosts
    assert "m.reddit.com" not in hosts
    assert "www.google.com" in hosts and "reddit.com" in hosts


def test_patterns_a_hosts_file_cannot_express_are_reported(session, settings):
    settings.blocker.blocked_domains = ["*gram*", "youtube.com", "*.x.com"]
    assert blocker_service.unexpandable_masks(settings) == ["*gram*"]
    hosts = blocker_service.expand_domains(settings)
    assert "youtube.com" in hosts and "x.com" in hosts


def test_app_masks_are_passed_through_untouched(session, settings):
    """Process matching happens on the desktop, where globs work directly."""
    settings.blocker.enabled = True
    settings.blocker.mode = "always"
    settings.blocker.blocked_apps = ["steam*", "*discord*"]
    settings_service.save_settings(session, settings)
    policy = blocker_service.policy(session, settings)
    assert policy["apps"] == ["steam*", "*discord*"]