"""Headless smoke tests for the snotes TUI (Textual pilot)."""

from __future__ import annotations

import importlib.util
import sys
from pathlib import Path

import pytest

textual = pytest.importorskip("textual")  # noqa: F841


def _load_cli():
    path = Path(__file__).parent.parent / "cli" / "snotes.py"
    spec = importlib.util.spec_from_file_location("snotes_cli", path)
    mod = importlib.util.module_from_spec(spec)
    sys.modules[spec.name] = mod
    spec.loader.exec_module(mod)
    return mod


cli = _load_cli()

NOTES = [
    {"id": "a1", "title": "Shopping list", "updated_at": "2026-09-26 09:00:00", "tags": ["home"]},
    {
        "id": "b2",
        "title": "Journal for 2026-09-26",
        "updated_at": "2026-09-25 22:00:00",
        "tags": ["journal"],
    },
]

BODIES = {
    "a1": "# Shopping list\n\n- milk\n- eggs\n",
    "b2": "# Journal for 2026-09-26\n\nA fine day.\n",
}


class FakeApi:
    def __init__(self):
        self.cfg = cli.Config(url="http://test", user="schmeeve")
        self.deleted: list[str] = []

    def recent(self, limit: int = 30) -> list[dict]:
        return NOTES[:limit]

    def search(self, q: str) -> list[dict]:
        return [n for n in NOTES if q.lower() in n["title"].lower()]

    def get_note(self, note_id: str) -> dict:
        return {"id": note_id, "title": "t", "body": BODIES[note_id]}

    def create(self, body: str) -> dict:  # pragma: no cover - not exercised
        return {"id": "new", "title": body}

    def update(self, note_id: str, body: str) -> dict:  # pragma: no cover
        return {"id": note_id}

    def delete(self, note_id: str) -> None:
        self.deleted.append(note_id)


async def test_tui_boots_with_recent_notes():
    app = cli.make_app(FakeApi(), None)
    async with app.run_test() as pilot:
        await pilot.pause()
        from textual.widgets import ListView

        lv = app.query_one("#notes", ListView)
        assert len(lv.children) == 2
        assert app.title == "snotes"


async def test_tui_initial_query_filters():
    app = cli.make_app(FakeApi(), "journal")
    async with app.run_test() as pilot:
        await pilot.pause()
        await pilot.pause(0.4)  # debounce
        from textual.widgets import Input, ListView

        assert app.query_one("#search", Input).value == "journal"
        assert len(app.query_one("#notes", ListView).children) == 1


async def test_tui_preview_shows_note_body():
    app = cli.make_app(FakeApi(), None)
    async with app.run_test() as pilot:
        await pilot.pause()
        from textual.widgets import Markdown

        preview = app.query_one("#preview", Markdown)
        await pilot.pause(0.2)
        assert "Shopping list" in preview.source or "milk" in preview.source


async def test_tui_delete_flow():
    fake = FakeApi()
    app = cli.make_app(fake, None)
    async with app.run_test() as pilot:
        await pilot.pause()
        await pilot.press("d")
        await pilot.pause()
        await pilot.press("y")
        await pilot.pause(0.3)
    assert fake.deleted == ["a1"]