"""Settings: deep merge, secret masking, and the environment seed."""

from __future__ import annotations

from app.services import pomodoro, settings_service
from app.settings_schema import SECRET_MASK


def test_a_preset_change_resizes_the_running_interval(session, settings):
    row = pomodoro.start(session, settings, kind="work")
    assert row.planned_seconds == settings.pomodoro.work_minutes * 60

    updated = settings_service.apply_patch(
        session, {"pomodoro": {"work_minutes": 85, "short_break_minutes": 10}}
    )

    current = pomodoro.current_session(session)
    assert current.id == row.id
    assert current.planned_seconds == 85 * 60
    # Elapsed time is wall-clock, not stored — resizing never has to touch it.
    assert pomodoro.elapsed_seconds(current) >= 0
    assert updated.pomodoro.work_minutes == 85


def test_a_patch_unrelated_to_durations_leaves_the_running_interval_alone(session, settings):
    row = pomodoro.start(session, settings, kind="work")
    settings_service.apply_patch(session, {"pomodoro": {"daily_goal_pomodoros": 12}})
    current = pomodoro.current_session(session)
    assert current.id == row.id
    assert current.planned_seconds == row.planned_seconds


def test_patch_merges_without_clobbering_siblings(session):
    settings_service.apply_patch(session, {"pomodoro": {"work_minutes": 50}})
    updated = settings_service.apply_patch(
        session, {"pomodoro": {"daily_goal_pomodoros": 12}}
    )
    assert updated.pomodoro.work_minutes == 50
    assert updated.pomodoro.daily_goal_pomodoros == 12
    assert updated.pomodoro.short_break_minutes == 5  # untouched default


def test_secrets_are_masked_on_the_way_out(session):
    settings_service.apply_patch(
        session,
        {"sources": {"todoist": {"enabled": True, "api_token": "super-secret"}}},
    )
    masked = settings_service.mask_secrets(
        settings_service.load_settings(session).model_dump(mode="json")
    )
    assert masked["sources"]["todoist"]["api_token"] == SECRET_MASK


def test_sending_the_mask_back_keeps_the_stored_secret(session):
    settings_service.apply_patch(
        session, {"sources": {"todoist": {"api_token": "super-secret"}}}
    )
    settings_service.apply_patch(
        session,
        {"sources": {"todoist": {"api_token": SECRET_MASK, "enabled": True}}},
    )
    settings = settings_service.load_settings(session)
    assert settings.sources.todoist.api_token == "super-secret"
    assert settings.sources.todoist.enabled is True


def test_a_real_new_secret_replaces_the_old_one(session):
    settings_service.apply_patch(session, {"sources": {"todoist": {"api_token": "old"}}})
    settings_service.apply_patch(session, {"sources": {"todoist": {"api_token": "new"}}})
    assert settings_service.load_settings(session).sources.todoist.api_token == "new"


def test_environment_seeds_the_sources(monkeypatch):
    monkeypatch.setenv("JIRA_BASE_URL", "https://example.atlassian.net/")
    monkeypatch.setenv("JIRA_EMAIL", "me@example.com")
    monkeypatch.setenv("JIRA_API_TOKEN", "token")
    monkeypatch.setenv("TODOIST_API_TOKEN", "todoist-token")
    monkeypatch.setenv("TODOIST_PROJECTS", "Inbox, Учёба")
    from app.config import env_settings

    env_settings.cache_clear()
    try:
        settings = settings_service.settings_from_env()
    finally:
        env_settings.cache_clear()

    assert settings.sources.jira.enabled
    assert settings.sources.jira.base_url == "https://example.atlassian.net"
    assert settings.sources.todoist.projects == ["Inbox", "Учёба"]


def test_listeners_fire_on_save(session):
    seen = []
    settings_service.on_change(lambda new: seen.append(new.pomodoro.work_minutes))
    settings_service.apply_patch(session, {"pomodoro": {"work_minutes": 33}})
    assert 33 in seen