import json
from pathlib import Path
from types import SimpleNamespace
from unittest.mock import AsyncMock

import pytest
from fastapi import FastAPI, status

from app.config import settings
from app.services.payment_service import PaymentService

# ensure backup directory exists before importing the unified app to avoid side effects during module import
_backup_dir = Path("data/backups")
_backup_dir.mkdir(parents=True, exist_ok=True)

from app.webserver.unified_app import create_unified_app


@pytest.mark.anyio
async def test_unified_app_health_reports_features(
    monkeypatch: pytest.MonkeyPatch, tmp_path: Path
) -> None:
    bot = AsyncMock()
    dispatcher = SimpleNamespace(feed_update=AsyncMock())
    payment_service = AsyncMock(spec=PaymentService)

    miniapp_static_dir = tmp_path / "miniapp"
    miniapp_static_dir.mkdir()

    monkeypatch.setattr(settings, "WEB_API_ENABLED", True, raising=False)
    monkeypatch.setattr(settings, "TRIBUTE_ENABLED", True, raising=False)
    monkeypatch.setattr(settings, "WEBHOOK_URL", "https://hooks.example.com", raising=False)
    monkeypatch.setattr(settings, "WEBHOOK_PATH", "/telegram-webhook", raising=False)
    monkeypatch.setattr(settings, "WEBHOOK_SECRET_TOKEN", "super-secret", raising=False)
    monkeypatch.setattr(settings, "BOT_RUN_MODE", "webhook", raising=False)
    monkeypatch.setattr(settings, "WEBHOOK_MAX_QUEUE_SIZE", 8, raising=False)
    monkeypatch.setattr(settings, "WEBHOOK_WORKERS", 1, raising=False)
    monkeypatch.setattr(settings, "WEBHOOK_ENQUEUE_TIMEOUT", 0.0, raising=False)
    monkeypatch.setattr(settings, "WEBHOOK_WORKER_SHUTDOWN_TIMEOUT", 1.0, raising=False)
    monkeypatch.setattr(settings, "MINIAPP_STATIC_PATH", str(miniapp_static_dir), raising=False)

    app = create_unified_app(
        bot,
        dispatcher,  # type: ignore[arg-type]
        payment_service,
        enable_telegram_webhook=True,
    )

    health_route = next(
        route
        for route in app.routes
        if getattr(route, "endpoint", None) and getattr(route.endpoint, "__name__", "") == "unified_health"
    )

    assert getattr(health_route, "path", None) == "/health/unified"

    await app.router.startup()
    try:
        response = await health_route.endpoint()  # type: ignore[func-returns-value]
    finally:
        await app.router.shutdown()

    payload = json.loads(response.body.decode("utf-8"))  # type: ignore[attr-defined]

    assert payload["status"] == "ok"
    assert payload["web_api_enabled"] is True
    assert payload["bot_run_mode"] == "webhook"
    assert payload["telegram_webhook"]["enabled"] is True
    assert payload["telegram_webhook"]["running"] is True
    assert payload["telegram_webhook"]["path"] == "/telegram-webhook"
    assert payload["telegram_webhook"]["secret_configured"] is True
    assert payload["payment_webhooks"]["enabled"] is True
    assert payload["payment_webhooks"]["providers"]["tribute"] is True
    assert payload["miniapp_static"]["mounted"] is True
    assert payload["miniapp_static"]["path"].endswith("miniapp")


def _build_unified_app(monkeypatch: pytest.MonkeyPatch, docs_enabled: bool) -> FastAPI:
    bot = AsyncMock()
    dispatcher = SimpleNamespace(feed_update=AsyncMock())
    payment_service = AsyncMock(spec=PaymentService)

    monkeypatch.setattr(settings, "WEB_API_ENABLED", False, raising=False)
    monkeypatch.setattr(settings, "WEB_API_DOCS_ENABLED", docs_enabled, raising=False)
    monkeypatch.setattr(settings, "MINIAPP_STATIC_PATH", "miniapp", raising=False)

    return create_unified_app(
        bot,
        dispatcher,  # type: ignore[arg-type]
        payment_service,
        enable_telegram_webhook=False,
    )


@pytest.mark.anyio
async def test_unified_app_health_path_without_admin(monkeypatch: pytest.MonkeyPatch) -> None:
    bot = AsyncMock()
    dispatcher = SimpleNamespace(feed_update=AsyncMock())
    payment_service = AsyncMock(spec=PaymentService)

    monkeypatch.setattr(settings, "WEB_API_ENABLED", False, raising=False)
    monkeypatch.setattr(settings, "MINIAPP_STATIC_PATH", "miniapp", raising=False)

    app = create_unified_app(
        bot,
        dispatcher,  # type: ignore[arg-type]
        payment_service,
        enable_telegram_webhook=False,
    )

    health_route = next(
        route
        for route in app.routes
        if getattr(route, "endpoint", None) and getattr(route.endpoint, "__name__", "") == "unified_health"
    )

    assert getattr(health_route, "path", None) == "/health"


def test_unified_app_docs_disabled(monkeypatch: pytest.MonkeyPatch) -> None:
    app = _build_unified_app(monkeypatch, docs_enabled=False)

    assert app.docs_url is None
    assert app.redoc_url is None
    assert app.openapi_url is None

    registered_paths = {getattr(route, "path", None) for route in app.routes}
    assert "/doc" not in registered_paths


@pytest.mark.anyio
async def test_unified_app_docs_enabled_with_alias(monkeypatch: pytest.MonkeyPatch) -> None:
    app = _build_unified_app(monkeypatch, docs_enabled=True)

    assert app.docs_url == "/docs"
    assert app.openapi_url == "/openapi.json"

    alias_route = next(
        (route for route in app.routes if getattr(route, "path", None) == "/doc"),
        None,
    )
    assert alias_route is not None
    assert getattr(alias_route, "include_in_schema", True) is False

    redoc_route = next(
        (route for route in app.routes if getattr(route, "path", None) == "/redoc"),
        None,
    )
    assert redoc_route is not None
    assert getattr(redoc_route, "include_in_schema", True) is False

    response = await alias_route.endpoint()  # type: ignore[func-returns-value]
    assert response.status_code == status.HTTP_307_TEMPORARY_REDIRECT
    assert response.headers["location"] == "/docs"

    redoc_response = await redoc_route.endpoint()  # type: ignore[func-returns-value]
    assert b"ReDoc" in redoc_response.body  # type: ignore[attr-defined]