"""app.widgets.tasks -- unit-level, no HTTP: constructs Widget/
TaskWidgetConfig rows directly and monkeypatches the underlying fetch
call (get_or_refresh_tasks_for_widget, throttle/CalDAV-fetch logic
covered separately). Split out of the old calendar widget's week-view-
only task list -- see models.TaskWidgetConfig."""

from __future__ import annotations

import time

from app import widgets
from app.models import Frame, TaskWidgetConfig, Widget

from .conftest import make_user


def _make_widget(db_session, **cfg_kwargs) -> tuple[Frame, Widget]:
    frame = db_session.get(Frame, 1)
    widget = Widget(frame_id=frame.id, widget_type="tasks", x=0, y=0, w=2, h=2,
                    sort_order=0, created_at=time.time())
    db_session.add(widget)
    db_session.flush()
    db_session.add(TaskWidgetConfig(widget_id=widget.id, **cfg_kwargs))
    db_session.commit()
    return frame, widget


def _make_configured_widget(db_session) -> tuple[Frame, Widget]:
    user = make_user(db_session, "task-owner")
    return _make_widget(db_session, user_id=user.id, calendar_key="caldav:/some/tasks/")


def test_render_unconfigured_widget_returns_correctly_sized_placeholder(db_session):
    frame, widget = _make_widget(db_session)  # no user_id/calendar_key set
    img = widgets.tasks.render(db_session, frame, widget, 300, 200)
    assert img.size == (300, 200)


def test_render_configured_widget_produces_a_correctly_sized_image(db_session, monkeypatch):
    frame, widget = _make_configured_widget(db_session)
    monkeypatch.setattr(widgets.tasks, "get_or_refresh_tasks_for_widget",
                        lambda db, frame, widget: [{"summary": "Buy milk", "due": None}])

    img = widgets.tasks.render(db_session, frame, widget, 300, 200)
    assert img.size == (300, 200)
    assert img.mode == "RGB"


def test_render_configured_but_empty_task_list_still_renders(db_session, monkeypatch):
    frame, widget = _make_configured_widget(db_session)
    monkeypatch.setattr(widgets.tasks, "get_or_refresh_tasks_for_widget", lambda db, frame, widget: [])

    img = widgets.tasks.render(db_session, frame, widget, 300, 200)
    assert img.size == (300, 200)


def test_render_at_minimum_grid_footprint(db_session, monkeypatch):
    """grid.MIN_FOOTPRINT["tasks"] is (2, 2) cells -- on an 8x5 grid
    against a full 800x480 panel that's a 200x192 box, the smallest a
    tasks widget can actually be placed at."""
    frame, widget = _make_configured_widget(db_session)
    monkeypatch.setattr(widgets.tasks, "get_or_refresh_tasks_for_widget", lambda db, frame, widget: [])

    img = widgets.tasks.render(db_session, frame, widget, 200, 192)
    assert img.size == (200, 192)


def test_no_button_actions():
    """A passive checklist on the same throttled-refresh cadence as
    weather -- nothing to advance/back/force."""
    assert widgets.tasks.ACTIONS == {}
    assert widgets.tasks.ACTION_LABELS == {}