"""Tests for the FastAPI application."""

import pytest
from fastapi.testclient import TestClient

from app.main import app

client = TestClient(app)


class TestHealth:
    def test_health_endpoint_returns_200(self):
        response = client.get("/api/health")
        assert response.status_code == 200
        data = response.json()
        assert data["status"] == "healthy"
        assert data["service"] == "micro-api"
        assert data["version"] == "0.1.0"
        assert "timestamp" in data

    def test_root_returns_service_info(self):
        response = client.get("/")
        assert response.status_code == 200
        data = response.json()
        assert data["service"] == "micro-api"
        assert data["status"] == "running"


class TestDatabase:
    def test_init_db_creates_tables(self):
        from app.database import init_db

        # Should not raise
        init_db()


class TestModels:
    def test_item_create_validation(self):
        from app.models import ItemCreate

        item = ItemCreate(name="test-item")
        assert item.name == "test-item"

    def test_item_create_requires_name(self):
        from app.models import ItemCreate

        with pytest.raises(Exception):
            ItemCreate()

    def test_item_response_serialization(self):
        from app.models import ItemResponse

        item = ItemResponse(id=1, name="test")
        data = item.model_dump()
        assert data["id"] == 1
        assert data["name"] == "test"