# Copyright (c) 2026 Krzysztof Rudnicki. MIT licence.
"""Serving the built page, and saying so plainly when it is not built."""

from __future__ import annotations

from typing import TYPE_CHECKING

from signal_bot.manage import assets
from tests.manage_fixture import client_for, deps_at

if TYPE_CHECKING:
    from pathlib import Path


def test_the_page_is_served_once_it_has_been_built(tmp_path: Path) -> None:
    with client_for(deps_at(tmp_path, built=True)) as client:
        answer = client.get("/")
    assert answer.status_code == 200
    assert "built" in answer.text


def test_hashed_assets_are_served_from_their_own_mount(tmp_path: Path) -> None:
    with client_for(deps_at(tmp_path, built=True)) as client:
        answer = client.get("/assets/app.js")
    assert answer.status_code == 200
    assert "// built" in answer.text


def test_a_client_routed_path_falls_through_to_the_page(tmp_path: Path) -> None:
    # A reload on a sub-view asks this server for a path only the browser
    # knows about, so the catch-all has to answer with the page itself.
    with client_for(deps_at(tmp_path, built=True)) as client:
        assert "built" in client.get("/config").text


def test_an_unbuilt_page_names_the_command_instead_of_crashing(
    tmp_path: Path,
) -> None:
    # StaticFiles raises at construction on a missing directory, so mounting
    # it unconditionally would take the whole app down on a fresh clone --
    # and in CI, where pytest runs without ever calling pnpm build.
    with client_for(deps_at(tmp_path)) as client:
        answer = client.get("/")
    assert answer.status_code == 503
    assert assets.BUILD_COMMAND in answer.text


def test_a_half_built_directory_counts_as_not_built(tmp_path: Path) -> None:
    # index.html without assets/ would raise from the mount exactly the way
    # a missing dist/ does.
    dist = tmp_path / "dist"
    dist.mkdir()
    (dist / "index.html").write_text("<title>half</title>", encoding="utf-8")
    assert assets.is_built(dist) is False


def test_the_api_is_not_shadowed_by_the_catch_all(tmp_path: Path) -> None:
    # /{path:path} would swallow every route registered after it, which is
    # why the assets go on last.
    with client_for(deps_at(tmp_path, built=True)) as client:
        assert client.get("/api/status").json()["reachable"] is True