"""
Tests pour les routes PWA (manifest.json, sw.js).

Couvre:
- Servir le manifest à la racine
- Servir le Service Worker à la racine avec l'en-tête Service-Worker-Allowed
- Validation du contenu JSON du manifest
"""

import json

import pytest

pytestmark = pytest.mark.unit


class TestManifest:
    """Tests pour GET /manifest.json."""

    @pytest.mark.asyncio
    async def test_manifest_served(self, client):
        """Le manifest est servi à /manifest.json avec le bon content-type."""
        resp = await client.get("/manifest.json")
        assert resp.status_code == 200
        content_type = resp.headers.get("content-type", "")
        assert "manifest+json" in content_type or "application/json" in content_type

    @pytest.mark.asyncio
    async def test_manifest_valid_json(self, client):
        """Le manifest contient les champs PWA requis."""
        resp = await client.get("/manifest.json")
        assert resp.status_code == 200
        data = json.loads(resp.text)
        assert "name" in data
        assert "icons" in data
        assert "start_url" in data
        assert "display" in data
        assert data["display"] == "standalone"
        assert len(data["icons"]) >= 2


class TestServiceWorker:
    """Tests pour GET /sw.js."""

    @pytest.mark.asyncio
    async def test_sw_served(self, client):
        """Le Service Worker est servi à /sw.js."""
        resp = await client.get("/sw.js")
        assert resp.status_code == 200
        content_type = resp.headers.get("content-type", "")
        assert "javascript" in content_type

    @pytest.mark.asyncio
    async def test_sw_has_scope_header(self, client):
        """Le Service Worker a l'en-tête Service-Worker-Allowed."""
        resp = await client.get("/sw.js")
        assert resp.status_code == 200
        assert resp.headers.get("service-worker-allowed") == "/"

    @pytest.mark.asyncio
    async def test_sw_contains_cache_logic(self, client):
        """Le Service Worker contient la logique de cache."""
        resp = await client.get("/sw.js")
        assert resp.status_code == 200
        body = resp.text
        assert "caches" in body
        assert "install" in body
        assert "fetch" in body