"""Tests for Person module."""
import pytest
from app.services.person_service import PersonService


class TestPersonAPI:
    """Test Person API endpoints."""
    
    def test_create_person_success(self, client, db_session, auth_headers):
        """Test creating a person with valid name."""
        response = client.post('/api/persons/create', json={'name': 'Test Person'}, headers=auth_headers)
        assert response.status_code == 200
        data = response.get_json()
        assert data['success'] is True
        assert data['data']['name'] == 'Test Person'
        assert 'id' in data['data']
    
    def test_create_person_empty_name(self, client, db_session, auth_headers):
        """Test creating a person with empty name fails."""
        response = client.post('/api/persons/create', json={'name': ''}, headers=auth_headers)
        assert response.status_code == 400
        data = response.get_json()
        assert data['success'] is False
        assert data['code'] == 'VALIDATION_ERROR'
    
    def test_create_person_whitespace_name(self, client, db_session, auth_headers):
        """Test creating a person with whitespace-only name fails."""
        response = client.post('/api/persons/create', json={'name': '   '}, headers=auth_headers)
        assert response.status_code == 400
        data = response.get_json()
        assert data['success'] is False
        assert data['code'] == 'VALIDATION_ERROR'
    
    def test_get_all_persons(self, client, db_session, auth_headers):
        """Test getting all persons."""
        # Create some persons first
        client.post('/api/persons/create', json={'name': 'Person 1'}, headers=auth_headers)
        client.post('/api/persons/create', json={'name': 'Person 2'}, headers=auth_headers)
        
        response = client.get('/api/persons', headers=auth_headers)
        assert response.status_code == 200
        data = response.get_json()
        assert data['success'] is True
        assert len(data['data']) == 2
    
    def test_get_person_by_id(self, client, db_session, auth_headers):
        """Test getting a person by ID."""
        # Create a person first
        create_response = client.post('/api/persons/create', json={'name': 'Test Person'}, headers=auth_headers)
        person_id = create_response.get_json()['data']['id']
        
        response = client.get(f'/api/persons/{person_id}', headers=auth_headers)
        assert response.status_code == 200
        data = response.get_json()
        assert data['success'] is True
        assert data['data']['name'] == 'Test Person'
    
    def test_get_person_not_found(self, client, db_session, auth_headers):
        """Test getting a non-existent person."""
        response = client.get('/api/persons/9999', headers=auth_headers)
        assert response.status_code == 404
        data = response.get_json()
        assert data['success'] is False
        assert data['code'] == 'NOT_FOUND'
    
    def test_update_person_success(self, client, db_session, auth_headers):
        """Test updating a person's name."""
        # Create a person first
        create_response = client.post('/api/persons/create', json={'name': 'Original Name'}, headers=auth_headers)
        person_id = create_response.get_json()['data']['id']
        
        response = client.post('/api/persons/update', json={'id': person_id, 'name': 'Updated Name'}, headers=auth_headers)
        assert response.status_code == 200
        data = response.get_json()
        assert data['success'] is True
        assert data['data']['name'] == 'Updated Name'
    
    def test_update_person_not_found(self, client, db_session, auth_headers):
        """Test updating a non-existent person."""
        response = client.post('/api/persons/update', json={'id': 9999, 'name': 'New Name'}, headers=auth_headers)
        assert response.status_code == 404
        data = response.get_json()
        assert data['success'] is False
        assert data['code'] == 'NOT_FOUND'
    
    def test_update_person_empty_name(self, client, db_session, auth_headers):
        """Test updating a person with empty name fails."""
        # Create a person first
        create_response = client.post('/api/persons/create', json={'name': 'Original Name'}, headers=auth_headers)
        person_id = create_response.get_json()['data']['id']
        
        response = client.post('/api/persons/update', json={'id': person_id, 'name': ''}, headers=auth_headers)
        assert response.status_code == 400
        data = response.get_json()
        assert data['success'] is False
        assert data['code'] == 'VALIDATION_ERROR'
    
    def test_delete_person_success(self, client, db_session, auth_headers):
        """Test deleting a person."""
        # Create a person first
        create_response = client.post('/api/persons/create', json={'name': 'To Delete'}, headers=auth_headers)
        person_id = create_response.get_json()['data']['id']
        
        response = client.post('/api/persons/delete', json={'id': person_id}, headers=auth_headers)
        assert response.status_code == 200
        data = response.get_json()
        assert data['success'] is True
        
        # Verify person is deleted
        get_response = client.get(f'/api/persons/{person_id}', headers=auth_headers)
        assert get_response.status_code == 404
    
    def test_delete_person_not_found(self, client, db_session, auth_headers):
        """Test deleting a non-existent person."""
        response = client.post('/api/persons/delete', json={'id': 9999}, headers=auth_headers)
        assert response.status_code == 404
        data = response.get_json()
        assert data['success'] is False
    
    def test_unauthorized_access(self, client, db_session):
        """Test that endpoints require authentication."""
        response = client.get('/api/persons')
        assert response.status_code == 401
        data = response.get_json()
        assert data['success'] is False
        assert data['code'] == 'UNAUTHORIZED'