from pathlib import Path

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


def read(path: str) -> str:
    return (ROOT / path).read_text(encoding="utf-8")


def test_v472_page_modules_exist():
    for module in [
        "dashboard",
        "operations",
        "opportunities",
        "tasks",
        "customers",
        "products",
        "orders",
        "finance",
        "integrations",
        "communications",
        "outbox",
        "events",
        "runs",
        "queues",
        "conversations",
        "system",
    ]:
        path = ROOT / "app" / "admin_ui" / "pages" / f"{module}.py"
        assert path.exists(), f"missing {path}"
        content = path.read_text(encoding="utf-8")
        assert "router = APIRouter()" in content


def test_v472_router_aggregates_domain_modules():
    router = read("app/admin_ui/router.py")
    assert "route registration is split by domain" in router.lower()
    for module in [
        "dashboard", "operations", "opportunities", "tasks",
        "customers", "products", "orders", "finance", "integrations",
        "communications", "outbox", "events", "runs", "queues", "system",
    ]:
        assert f"from app.admin_ui.pages import {module}" in router
        assert f"router.include_router({module}.router)" in router


def test_v472_routes_are_no_longer_registered_in_admin_dashboard():
    dashboard = read("app/admin_dashboard.py")
    assert "Route handlers moved to app.admin_ui.pages.* in v4.7.2" in dashboard
    assert dashboard.count("@router.get(") <= 1  # /ui.css compatibility endpoint only
    assert "@router.get(\"/operations\"" not in dashboard
    assert "@router.get(\"/tasks\"" not in dashboard
    assert "@router.get(\"/opportunities\"" not in dashboard
    admin_lines = dashboard.count("\n") + 1
    # Architectural guard: route handlers must remain outside this compatibility
    # module. The small allowance covers physical-status safety and UI helpers.
    assert admin_lines < 1850


def test_v472_domain_modules_own_expected_routes():
    assert "@router.get(\"/operations\"" in read("app/admin_ui/pages/operations.py")
    assert "@router.get(\"/operacoes\"" in read("app/admin_ui/pages/operations.py")
    assert "@router.get(\"/opportunities\"" in read("app/admin_ui/pages/opportunities.py")
    assert "@router.post(\"/opportunities/{opportunity_id}/stage\"" in read("app/admin_ui/pages/opportunities.py")
    assert "@router.get(\"/tasks\"" in read("app/admin_ui/pages/tasks.py")
    assert "@router.post(\"/tasks/{task_id}/complete\"" in read("app/admin_ui/pages/tasks.py")
    assert "@router.get(\"/outbox\"" in read("app/admin_ui/pages/outbox.py")
    assert "@router.get(\"/system/health\"" in read("app/admin_ui/pages/system.py")


def test_v472_documentation_exists_and_states_no_db_migration():
    doc = read("docs/CLIENTFLOW_V472_DOMAIN_ROUTES.md")
    assert "Rotas por domínio" in doc
    assert "Não requer migração de base de dados" in doc