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")
    frontend_client = (ROOT / "frontend" / "src" / "a2a.js").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"
    assert "unwrapInvokeResponse" in frontend_client, "unwrap the /invoke result envelope before rendering"

    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"