"""Email translation's languages in the admin panel (app/api/admin.py), with
the translator service replaced by a stand-in."""

from __future__ import annotations

import pytest

from app import translation
from tests.api.test_admin_users import World, world  # noqa: F401 — the fixture


@pytest.fixture
def service(monkeypatch: pytest.MonkeyPatch) -> dict[str, list[str]]:
    state: dict[str, list[str]] = {"installed": ["en", "pl"], "calls": []}

    async def status() -> dict[str, object]:
        return {
            "installed": list(state["installed"]),
            "installing": {"de": {"done": 10, "total": 40}} if "de" in state["calls"] else {},
            "available": ["en", "pl", "de", "hu"],
            "errors": {},
        }

    async def install(code: str) -> None:
        state["calls"].append(code)

    async def remove(code: str) -> None:
        state["installed"].remove(code)

    monkeypatch.setattr(translation, "enabled", lambda: True)
    monkeypatch.setattr(translation, "status", status)
    monkeypatch.setattr(translation, "install", install)
    monkeypatch.setattr(translation, "remove", remove)
    return state


async def test_admin_installs_and_removes_languages(
    world: World,  # noqa: F811
    service: dict[str, list[str]],
) -> None:
    async with await world.client(await world.user(admin=True)) as c:
        got = (await c.get("/api/admin/translation")).json()
        assert got["reachable"] and got["installed"] == ["en", "pl"]
        assert got["available"] == ["en", "pl", "de", "hu"]

        got = (await c.post("/api/admin/translation/languages/de")).json()
        assert service["calls"] == ["de"]
        assert got["installing"] == {"de": {"done": 10, "total": 40}}

        got = (await c.delete("/api/admin/translation/languages/pl")).json()
        assert got["installed"] == ["en"]

        assert (await c.post("/api/admin/translation/languages/x;rm")).status_code == 422


async def test_only_admins(world: World, service: dict[str, list[str]]) -> None:  # noqa: F811
    async with await world.client(await world.user()) as c:
        assert (await c.get("/api/admin/translation")).status_code == 403
        assert (await c.post("/api/admin/translation/languages/de")).status_code == 403
    assert service["calls"] == []


async def test_unreachable_service_is_reported(
    world: World,  # noqa: F811
    monkeypatch: pytest.MonkeyPatch,
) -> None:
    async def down() -> dict[str, object]:
        raise translation.TranslationError("down")

    monkeypatch.setattr(translation, "enabled", lambda: True)
    monkeypatch.setattr(translation, "status", down)
    async with await world.client(await world.user(admin=True)) as c:
        got = (await c.get("/api/admin/translation")).json()
    assert got == {
        "enabled": True,
        "reachable": False,
        "installed": [],
        "installing": {},
        "available": [],
        "errors": {},
    }