"""Tests for Customers API using FastAPI TestClient (no live server required)."""
import os
import uuid
from datetime import datetime

import pytest
from fastapi.testclient import TestClient

# Ensure required env vars for app import/config
os.environ.setdefault("SECRET_KEY", "x" * 32)
os.environ.setdefault("DATABASE_URL", "sqlite:////tmp/delphi_test.sqlite")

from app.main import app  # noqa: E402
from app.auth.security import get_current_user  # noqa: E402


@pytest.fixture(scope="module")
def client():
    # Override auth to bypass JWT for these tests
    app.dependency_overrides[get_current_user] = lambda: {
        "id": "test",
        "username": "tester",
        "is_admin": True,
        "is_active": True,
    }

    try:
        yield TestClient(app)
    finally:
        app.dependency_overrides.pop(get_current_user, None)


def test_customers_crud_and_queries(client: TestClient):
    unique_id = f"TEST-{uuid.uuid4().hex[:8]}"

    # List (empty or not, but should 200)
    resp = client.get("/api/customers/?limit=5")
    assert resp.status_code == 200
    assert isinstance(resp.json(), list)

    # Create
    payload = {
        "id": unique_id,
        "last": "Doe",
        "first": "John",
        "city": "Dallas",
        "abrev": "TX",
        "email": "john.doe@example.com",
        "memo": "Created by pytest",
    }
    resp = client.post("/api/customers/", json=payload)
    assert resp.status_code == 200
    body = resp.json()
    assert body["id"] == unique_id
    assert body["last"] == "Doe"

    # Add phones
    for phone in ("(214) 555-0100", "(214) 555-0101"):
        resp = client.post(
            f"/api/customers/{unique_id}/phones",
            json={"location": "Office", "phone": phone},
        )
        assert resp.status_code == 200

    # Retrieve and assert phones present
    resp = client.get(f"/api/customers/{unique_id}")
    assert resp.status_code == 200
    customer = resp.json()
    assert customer["id"] == unique_id
    assert len(customer.get("phone_numbers", [])) >= 2

    # Search by last name
    resp = client.get("/api/customers/?search=Doe")
    assert resp.status_code == 200
    assert any(c["id"] == unique_id for c in resp.json())

    # Phone search
    resp = client.get("/api/customers/search/phone", params={"phone": "214"})
    assert resp.status_code == 200
    assert isinstance(resp.json(), list)

    # Stats endpoint returns expected fields
    resp = client.get("/api/customers/stats")
    assert resp.status_code == 200
    stats = resp.json()
    assert {"total_customers", "total_phone_numbers", "customers_with_email", "group_breakdown"} <= set(stats.keys())

    # Update
    resp = client.put(
        f"/api/customers/{unique_id}",
        json={"memo": f"Updated at {datetime.utcnow().isoformat()}"},
    )
    assert resp.status_code == 200

    # Cleanup
    resp = client.delete(f"/api/customers/{unique_id}")
    assert resp.status_code == 200


def test_pages_and_health(client: TestClient):
    # Health
    resp = client.get("/health")
    assert resp.status_code == 200
    assert resp.json().get("status") == "healthy"

    # Customers page should load HTML
    resp = client.get("/customers")
    assert resp.status_code in (200, 401, 403) or resp.headers.get("content-type", "").startswith("text/html")