from pathlib import Path

from a2a_pack.cli.local import load_local_project


ROOT = Path(__file__).resolve().parents[1]


def test_full_stack_product_contract():
    manifest = (ROOT / "a2a.yaml").read_text(encoding="utf-8")
    source = (ROOT / "agent.py").read_text(encoding="utf-8")
    frontend = (ROOT / "frontend" / "src" / "App.jsx").read_text(encoding="utf-8")

    assert "frontend:" in manifest and "mount: /app" in manifest
    assert "resources:" in manifest and "databases:" in manifest
    assert "migrations:" in manifest and "db/migrations" in manifest
    assert "PlatformUserAuth" in source
    assert "AgentPlatformResources" in source and "AgentDatabase(" in source
    assert "Skill runner" not in frontend, "replace the generic scaffold with the product workflow"

    migrations = list((ROOT / "db" / "migrations").glob("*.sql"))
    assert migrations and all(path.read_text(encoding="utf-8").strip() for path in migrations)

    card = load_local_project(ROOT).agent_cls().card()
    databases = card.runtime.platform_resources.databases
    assert databases, "live Agent Card must declare its managed database"
    assert databases[0].migrations is not None
    assert databases[0].migrations.path == "db/migrations"