import pytest


@pytest.mark.anyio
async def test_dashboard_returns_seeded_summary(client):
    resp = await client.get("/api/dashboard")
    assert resp.status_code == 200
    body = resp.json()
    assert body["material_count"] == 1
    assert body["finished_product_count"] == 2
    assert body["supplier_count"] == 1
    assert body["customer_count"] == 1
    assert body["warehouse_count"] == 1
    assert body["total_stock"] == 1000
    assert float(body["total_value"]) == 10000.0
    assert body["pending_purchase"] == 0
    assert body["pending_sales"] == 0
    assert body["low_stock_products"] == []


@pytest.mark.anyio
async def test_dashboard_low_stock_products_are_listed(client):
    inventory = await client.get("/api/inventory")
    assert inventory.status_code == 200
    inv_id = next(row["id"] for row in inventory.json()["items"] if row["product_sku"] == "MAT-001")

    updated = await client.put(
        f"/api/inventory/{inv_id}",
        json={"quantity": 0, "locked_quantity": 0},
    )
    assert updated.status_code == 200

    resp = await client.get("/api/dashboard")
    assert resp.status_code == 200
    low_stock = resp.json()["low_stock_products"]
    assert len(low_stock) == 1
    assert low_stock[0]["sku"] == "MAT-001"
    assert low_stock[0]["quantity"] == 0
    assert low_stock[0]["min_stock"] == 0