"""
Summary test file demonstrating comprehensive timeout scenario coverage.

This file provides a high-level overview of all timeout scenarios tested
to verify that task 6 requirements are fully satisfied.
"""

import errno
import json
from unittest.mock import Mock, patch

import pytest

from sfq.auth import AuthManager
from sfq.exceptions import QueryTimeoutError
from sfq.http_client import HTTPClient
from sfq.query import QueryClient


class TestTimeoutScenariosCoverage:
    """Test class demonstrating comprehensive coverage of all timeout scenarios."""

    @pytest.fixture
    def auth_manager(self):
        """Create a mock AuthManager for testing."""
        auth_manager = Mock(spec=AuthManager)
        auth_manager.instance_url = "https://test.my.salesforce.com"
        auth_manager.api_version = "v65.0"
        auth_manager.access_token = "test_token_123"
        auth_manager.get_proxy_config.return_value = None
        auth_manager.get_instance_netloc.return_value = "test.my.salesforce.com"
        auth_manager.needs_token_refresh.return_value = False
        auth_manager.get_auth_headers.return_value = {
            "Authorization": "Bearer test_token_123"
        }
        return auth_manager

    @pytest.fixture
    def http_client(self, auth_manager):
        """Create HTTPClient instance for testing."""
        return HTTPClient(
            auth_manager=auth_manager,
            user_agent="test-agent/1.0",
            sforce_client="test-client",
        )

    @pytest.fixture
    def query_client(self, http_client):
        """Create QueryClient instance for testing."""
        return QueryClient(http_client, api_version="v65.0")

    def test_server_timeout_detection_and_retry_behavior(self, http_client):
        """
        Test coverage: Unit tests for server timeout detection and retry behavior.
        
        This test verifies:
        - Server timeout detection with exact message
        - Server timeout detection with error code
        - Retry behavior for server timeouts
        - Parameter preservation across retries
        - Logging behavior for server timeout scenarios
        """
        with patch.object(http_client, '_send_authenticated_request_internal') as mock_internal:
            # Test server timeout with exact message - succeeds on retry
            mock_internal.side_effect = [
                (400, "Your query request was running for too long."),
                (200, '{"success": true}')
            ]

            status, data = http_client.send_authenticated_request_with_retry(
                "GET", "/services/data/v65.0/query", max_retries=3
            )

            assert status == 200
            assert data == '{"success": true}'
            assert mock_internal.call_count == 2

        with patch.object(http_client, '_send_authenticated_request_internal') as mock_internal:
            # Test server timeout with error code - all retries fail
            mock_internal.return_value = (
                400, 
                '[{"message":"Query execution exceeded time limit","errorCode":"QUERY_TIMEOUT"}]'
            )

            with pytest.raises(QueryTimeoutError, match="QUERY_TIMEOUT"):
                http_client.send_authenticated_request_with_retry(
                    "POST", "/services/data/v65.0/composite", max_retries=2
                )

            assert mock_internal.call_count == 3  # Initial + 2 retries

    def test_connection_timeout_detection_and_retry_behavior(self, http_client):
        """
        Test coverage: Unit tests for connection timeout detection and retry behavior.
        
        This test verifies:
        - Connection timeout detection with errno 110
        - Connection timeout detection with nested exceptions
        - Retry behavior for connection timeouts
        - Exception handling for connection timeout scenarios
        """
        with patch.object(http_client, '_send_authenticated_request_internal') as mock_internal:
            # Test connection timeout with errno 110 - succeeds on retry
            timeout_exception = OSError("Connection timed out")
            timeout_exception.errno = errno.ETIMEDOUT

            mock_internal.side_effect = [
                timeout_exception,
                (200, '{"recovered": true}')
            ]

            status, data = http_client.send_authenticated_request_with_retry(
                "GET", "/services/data/v65.0/tooling/query", max_retries=3
            )

            assert status == 200
            assert data == '{"recovered": true}'
            assert mock_internal.call_count == 2

        with patch.object(http_client, '_send_authenticated_request_internal') as mock_internal:
            # Test connection timeout with nested exception - all retries fail
            inner_exception = OSError("Connection timed out")
            inner_exception.errno = errno.ETIMEDOUT
            
            outer_exception = Exception("Request failed")
            outer_exception.__cause__ = inner_exception

            mock_internal.side_effect = outer_exception

            with pytest.raises(QueryTimeoutError, match="QUERY_TIMEOUT"):
                http_client.send_authenticated_request_with_retry(
                    "DELETE", "/services/data/v65.0/sobjects/Account/001", max_retries=2
                )

            assert mock_internal.call_count == 3  # Initial + 2 retries

    def test_mixed_timeout_scenarios(self, http_client):
        """
        Test coverage: Tests for mixed timeout scenarios (some retries succeed, others fail).
        
        This test verifies:
        - Server timeout followed by connection timeout then success
        - Connection timeout followed by server timeout then success
        - Multiple different timeout formats in sequence
        - Mixed timeout scenarios where all attempts fail
        """
        with patch.object(http_client, '_send_authenticated_request_internal') as mock_internal:
            # Mixed scenario: server timeout, then connection timeout, then success
            timeout_exception = OSError("Connection timed out")
            timeout_exception.errno = errno.ETIMEDOUT

            mock_internal.side_effect = [
                (400, '[{"message":"Your query request was running for too long.","errorCode":"QUERY_TIMEOUT"}]'),
                timeout_exception,
                (200, '{"mixed_success": true}')
            ]

            status, data = http_client.send_authenticated_request_with_retry(
                "POST", "/services/data/v65.0/composite/batch", max_retries=3
            )

            assert status == 200
            assert data == '{"mixed_success": true}'
            assert mock_internal.call_count == 3

        with patch.object(http_client, '_send_authenticated_request_internal') as mock_internal:
            # Mixed scenario: connection timeout, then server timeout, then success
            timeout_exception = OSError("Connection timed out")
            timeout_exception.errno = errno.ETIMEDOUT

            mock_internal.side_effect = [
                timeout_exception,
                (400, "Your query request was running for too long."),
                (200, '{"reverse_mixed_success": true}')
            ]

            status, data = http_client.send_authenticated_request_with_retry(
                "PATCH", "/services/data/v65.0/sobjects/Contact/003", max_retries=3
            )

            assert status == 200
            assert data == '{"reverse_mixed_success": true}'
            assert mock_internal.call_count == 3

    def test_non_timeout_errors_no_retry_logic(self, http_client):
        """
        Test coverage: Tests for non-timeout errors to ensure no retry logic is applied.
        
        This test verifies:
        - Non-timeout 400 errors do not trigger retries
        - 500 errors do not trigger retries
        - 401 unauthorized errors do not trigger retries
        - Non-timeout exceptions do not trigger retries
        - Connection errors with wrong errno do not trigger retries
        - Successful requests have no retry overhead
        """
        with patch.object(http_client, '_send_authenticated_request_internal') as mock_internal:
            # Test non-timeout 400 error - no retry
            mock_internal.return_value = (400, '{"error": "INVALID_QUERY", "message": "Invalid syntax"}')

            status, data = http_client.send_authenticated_request_with_retry(
                "GET", "/services/data/v65.0/query", max_retries=3
            )

            assert status == 400
            assert data == '{"error": "INVALID_QUERY", "message": "Invalid syntax"}'
            assert mock_internal.call_count == 1  # No retries

        with patch.object(http_client, '_send_authenticated_request_internal') as mock_internal:
            # Test 500 error - no retry
            mock_internal.return_value = (500, "Internal Server Error")

            status, data = http_client.send_authenticated_request_with_retry(
                "POST", "/services/data/v65.0/composite", max_retries=3
            )

            assert status == 500
            assert data == "Internal Server Error"
            assert mock_internal.call_count == 1  # No retries

        with patch.object(http_client, '_send_authenticated_request_internal') as mock_internal:
            # Test non-timeout exception - no retry
            non_timeout_exception = ValueError("Invalid parameter")
            mock_internal.side_effect = non_timeout_exception

            with pytest.raises(ValueError, match="Invalid parameter"):
                http_client.send_authenticated_request_with_retry(
                    "GET", "/services/data/v65.0/query", max_retries=3
                )

            assert mock_internal.call_count == 1  # No retries

        with patch.object(http_client, '_send_authenticated_request_internal') as mock_internal:
            # Test successful request - no retry overhead
            mock_internal.return_value = (200, '{"records": []}')

            status, data = http_client.send_authenticated_request_with_retry(
                "GET", "/services/data/v65.0/query", max_retries=3
            )

            assert status == 200
            assert data == '{"records": []}'
            assert mock_internal.call_count == 1  # No retries needed

    def test_query_client_integration_end_to_end(self, query_client, http_client):
        """
        Test coverage: Integration tests with QueryClient to verify end-to-end functionality.
        
        This test verifies:
        - Standard SOQL queries with timeout retry
        - Tooling API queries with timeout retry
        - Composite query operations with timeout retry
        - sObject prefix retrieval with timeout retry
        - Query operations where all retries fail
        """
        # Test standard query with server timeout retry success
        with patch.object(http_client, '_send_authenticated_request_internal') as mock_internal:
            mock_internal.side_effect = [
                (400, "Your query request was running for too long."),
                (200, json.dumps({
                    "totalSize": 2,
                    "done": True,
                    "records": [
                        {"Id": "001000000000001", "Name": "Test Account 1"},
                        {"Id": "001000000000002", "Name": "Test Account 2"}
                    ]
                }))
            ]

            result = query_client.query("SELECT Id, Name FROM Account LIMIT 2")

            assert result is not None
            assert result["totalSize"] == 2
            assert len(result["records"]) == 2
            assert mock_internal.call_count == 2

        # Test tooling query with connection timeout retry success
        with patch.object(http_client, '_send_authenticated_request_internal') as mock_internal:
            timeout_exception = OSError("Connection timed out")
            timeout_exception.errno = errno.ETIMEDOUT

            mock_internal.side_effect = [
                timeout_exception,
                (200, json.dumps({
                    "totalSize": 1,
                    "done": True,
                    "records": [{"Id": "01p000000000001", "Name": "Test Class"}]
                }))
            ]

            result = query_client.tooling_query("SELECT Id, Name FROM ApexClass LIMIT 1")

            assert result is not None
            assert result["totalSize"] == 1
            assert result["records"][0]["Name"] == "Test Class"
            assert mock_internal.call_count == 2

        # Test composite query with mixed timeout scenarios
        with patch.object(http_client, '_send_authenticated_request_internal') as mock_internal:
            timeout_exception = OSError("Connection timed out")
            timeout_exception.errno = errno.ETIMEDOUT

            mock_internal.side_effect = [
                (400, '[{"message":"Your query request was running for too long.","errorCode":"QUERY_TIMEOUT"}]'),
                timeout_exception,
                (200, json.dumps({
                    "results": [
                        {
                            "statusCode": 200,
                            "result": {
                                "totalSize": 1,
                                "done": True,
                                "records": [{"Id": "001000000000001", "Name": "Test Account"}]
                            }
                        }
                    ]
                }))
            ]

            query_dict = {"accounts": "SELECT Id, Name FROM Account LIMIT 1"}
            result = query_client.cquery(query_dict)

            assert result is not None
            assert "accounts" in result
            assert len(result["accounts"]["records"]) == 1
            assert mock_internal.call_count == 3

        # Test sObject prefixes with server timeout retry success
        with patch.object(http_client, '_send_authenticated_request_internal') as mock_internal:
            mock_internal.side_effect = [
                (400, '[{"errorCode":"QUERY_TIMEOUT"}]'),
                (200, json.dumps({
                    "sobjects": [
                        {"name": "Account", "keyPrefix": "001"},
                        {"name": "Contact", "keyPrefix": "003"}
                    ]
                }))
            ]

            result = query_client.get_sobject_prefixes(key_type="id")

            assert result is not None
            assert result["001"] == "Account"
            assert result["003"] == "Contact"
            assert mock_internal.call_count == 2

        # Test query where all timeout retries fail
        with patch.object(http_client, '_send_authenticated_request_internal') as mock_internal:
            mock_internal.return_value = (400, "Your query request was running for too long.")

            result = query_client.query("SELECT Id FROM Account")

            # QueryClient should handle the QueryTimeoutError and return None
            assert result is None
            assert mock_internal.call_count == 4  # Initial + 3 retries (default)
