import pytest

from backend.app import create_app


@pytest.fixture
async def app():
    return create_app()


@pytest.fixture
async def client(app):
    async with app.test_client() as c:
        yield c


@pytest.mark.asyncio
async def test_get_import_settings_defaults(client):
    resp = await client.get("/api/settings/import")
    assert resp.status_code == 200
    body = await resp.get_json()
    # Defaults from the migration:
    assert body["min_width"] == 0
    assert body["min_height"] == 0
    assert body["skip_transparent"] is False
    assert body["transparency_threshold"] == 0.9


@pytest.mark.asyncio
async def test_patch_import_settings(client):
    resp = await client.patch(
        "/api/settings/import",
        json={"min_width": 500, "skip_transparent": True, "transparency_threshold": 0.7},
    )
    assert resp.status_code == 200
    body = await resp.get_json()
    assert body["min_width"] == 500
    assert body["skip_transparent"] is True
    assert body["transparency_threshold"] == 0.7


@pytest.mark.asyncio
async def test_patch_rejects_non_object(client):
    resp = await client.patch("/api/settings/import", json=[1, 2, 3])
    assert resp.status_code == 400


@pytest.mark.asyncio
async def test_system_stats_shape(client):
    resp = await client.get("/api/system/stats")
    assert resp.status_code == 200
    body = await resp.get_json()
    for key in ("total_images", "total_tags", "storage_bytes", "tasks", "active_batch"):
        assert key in body
    for status in ("pending", "queued", "processing", "complete", "skipped", "failed"):
        assert status in body["tasks"]