"""Tests for GraphQL Testing Module.

This module tests the advanced GraphQL testing features.
"""

import pytest
from unittest.mock import Mock, patch

from socialseed_e2e.graphql import (
    ComplexityLevel,
    GraphQLBatchTester,
    GraphQLResponse,
    GraphQLTestingSuite,
    QueryComplexity,
    SchemaAnalyzer,
    SchemaField,
    SchemaType,
    SubscriptionManager,
)


class TestSchemaAnalyzer:
    """Tests for SchemaAnalyzer."""

    def test_analyze_simple_query(self):
        """Test simple query complexity analysis."""
        analyzer = SchemaAnalyzer()
        complexity = analyzer.analyze_query_complexity("{ user { name } }")

        assert complexity.score > 0
        assert complexity.depth >= 1

    def test_analyze_nested_query(self):
        """Test nested query complexity."""
        analyzer = SchemaAnalyzer()
        query = """
        {
            user(id: "1") {
                name
                posts {
                    title
                    comments {
                        text
                    }
                }
            }
        }
        """
        complexity = analyzer.analyze_query_complexity(query)

        assert complexity.depth > 1
        assert complexity.level in [ComplexityLevel.SIMPLE, ComplexityLevel.MEDIUM]

    def test_complex_query_level(self):
        """Test complex query level detection."""
        analyzer = SchemaAnalyzer()

        # Simple query
        simple = analyzer.analyze_query_complexity("{ user { name } }")
        assert simple.level in [ComplexityLevel.SIMPLE, ComplexityLevel.MEDIUM]

    def test_query_with_warnings(self):
        """Test query with warnings."""
        analyzer = SchemaAnalyzer()

        # Deep nested query should have warnings
        query = """
        {
            a { b { c { d { e { f { g { h { i { j { k { l { m { n { o { p } } } } } } } } } } } } } }
        }
        """
        complexity = analyzer.analyze_query_complexity(query)

        assert len(complexity.warnings) > 0

    def test_load_from_introspection(self):
        """Test loading schema from introspection."""
        analyzer = SchemaAnalyzer()

        introspection = {
            "data": {
                "__schema": {
                    "queryType": {"name": "Query"},
                    "mutationType": {"name": "Mutation"},
                    "types": [
                        {
                            "name": "User",
                            "kind": "OBJECT",
                            "fields": [
                                {
                                    "name": "id",
                                    "type": {"name": "ID"},
                                    "args": [],
                                }
                            ],
                            "interfaces": [],
                            "enumValues": [],
                        }
                    ],
                }
            }
        }

        analyzer.load_from_introspection(introspection)

        assert "User" in analyzer.types
        assert analyzer.query_type == "Query"


class TestGraphQLTestingSuite:
    """Tests for GraphQLTestingSuite."""

    def test_initialization(self):
        """Test suite initialization."""
        suite = GraphQLTestingSuite("http://localhost:4000/graphql")
        assert suite.endpoint == "http://localhost:4000/graphql"
        assert suite.timeout == 30.0


class TestSubscriptionManager:
    """Tests for SubscriptionManager."""

    def test_initialization(self):
        """Test subscription manager initialization."""
        manager = SubscriptionManager("ws://localhost:4000/graphql")

        assert manager.ws_url == "ws://localhost:4000/graphql"
        assert manager.subscriptions == {}

    def test_custom_headers(self):
        """Test custom headers."""
        headers = {"Authorization": "Bearer token123"}
        manager = SubscriptionManager("ws://localhost:4000/graphql", headers)

        assert manager.headers == headers


class TestGraphQLBatchTester:
    """Tests for GraphQLBatchTester."""

    def test_initialization(self):
        """Test batch tester initialization."""
        tester = GraphQLBatchTester("http://localhost:4000/graphql")
        assert tester.endpoint == "http://localhost:4000/graphql"


class TestQueryComplexity:
    """Tests for QueryComplexity dataclass."""

    def test_complexity_levels(self):
        """Test complexity level assignments."""
        # Simple
        simple = QueryComplexity(
            score=5,
            level=ComplexityLevel.SIMPLE,
            depth=1,
            fields_selected=1,
        )
        assert simple.level == ComplexityLevel.SIMPLE

        # Critical
        critical = QueryComplexity(
            score=150,
            level=ComplexityLevel.CRITICAL,
            depth=10,
            fields_selected=50,
        )
        assert critical.level == ComplexityLevel.CRITICAL
