#!/usr/bin/env python3
"""
End-to-End Testing Scenarios for n8n-deploy

Test stubs based on manual end-to-end testing session covering:
- Environment variable display in CLI commands
- Server integration without configuration
- API key management lifecycle
- Server connection with API keys
- Backup and restore operations
- Error handling and edge cases

These tests are marked as TODO for future implementation.
"""

import os
from typing import Any, Dict, Generator
from unittest.mock import Mock, patch

import pytest

from api.config import AppConfig

os.environ["N8N_DEPLOY_TESTING"] = "1"


@pytest.mark.integration
class TestEndToEndEnvironmentIntegration:
    """Test environment variable integration in CLI commands"""

    @pytest.mark.skip(reason="TODO: Implement test for environment variable display")
    def test_list_command_shows_environment_variables(self, test_config: AppConfig) -> None:
        """
        Test that 'n8n-deploy list' command displays N8N_DEPLOY_DATA and N8N_DEPLOY_FLOWS

        Scenario: User runs list command and sees current environment configuration
        Expected: CLI shows both directory paths and environment variable values

        TODO: Implement CLI execution and verify output contains:
        - App Directory: {actual_path}
        - N8N_DEPLOY_DATA: {env_value}
        - Flow Directory: {actual_path}
        - N8N_DEPLOY_FLOWS: {env_value}
        """
        pass

    @pytest.mark.skip(reason="TODO: Implement test for stats Never display")
    def test_stats_command_shows_never_for_null_timestamps(self, test_config: AppConfig) -> None:
        """
        Test that 'n8n-deploy stats' shows 'Never' instead of 'None' for null last_synced

        Scenario: Workflow has null last_synced timestamp
        Expected: Human-readable output shows "Never", JSON output shows null

        TODO: Implement test that verifies:
        - Table format displays "Last Synced: Never"
        - JSON format returns "last_synced": null
        """
        pass


@pytest.mark.integration
class TestEndToEndAPIKeyManagement:
    """Test complete API key management lifecycle"""

    @pytest.mark.skip(reason="TODO: Implement comprehensive API key lifecycle test")
    def test_api_key_complete_lifecycle(self, test_config: AppConfig) -> None:
        """
        Test complete API key management from creation to deletion

        Scenario: Full lifecycle - add, list, test, deactivate, delete
        Expected: All operations work correctly and state changes persist

        TODO: Implement test sequence:
        1. apikey add test_key --description "Test key"
        2. apikey list (verify key exists, credentials masked)
        3. apikey list --unmask (verify credentials displayed)
        4. apikey test test_key (verify validation)
        5. apikey deactivate test_key (verify deactivation)
        6. apikey list (verify inactive status)
        7. apikey delete test_key --confirm (verify deletion)
        8. apikey list (verify key removed)
        """
        pass

    @pytest.mark.skip(reason="TODO: Implement test for API key with stdin input")
    def test_api_key_add_with_stdin_input(self, test_config: AppConfig) -> None:
        """
        Test adding API key with stdin input (echo "key" | n8n-deploy apikey add name)

        Scenario: User pipes API key through stdin for security
        Expected: Key is added successfully without exposing it in command line

        TODO: Implement test that:
        - Uses subprocess with stdin input
        - Verifies key is stored correctly
        - Confirms no key appears in command history/output
        """
        pass


@pytest.mark.integration
class TestEndToEndServerIntegration:
    """Test server integration scenarios"""

    @pytest.mark.skip(reason="TODO: Implement test for server commands without configuration")
    def test_server_commands_without_configuration(self, test_config: AppConfig) -> None:
        """
        Test server commands fail gracefully when no server URL is configured

        Scenario: User runs server commands without N8N_SERVER_URL or --remote
        Expected: Clear error message directing user to configure server URL

        TODO: Implement test for commands:
        - server: Should show "No n8n server URL configured"
        - pull workflow_id: Should show configuration error
        - push workflow_id: Should show configuration error
        """
        pass

    @pytest.mark.skip(reason="TODO: Implement test for server URL priority")
    def test_server_url_configuration_priority(self, test_config: AppConfig) -> None:
        """
        Test server URL configuration priority (CLI flag > environment variable)

        Scenario: Both --remote and N8N_SERVER_URL are set
        Expected: CLI flag takes precedence over environment variable

        TODO: Implement test that:
        - Sets N8N_SERVER_URL=http://env-server.com
        - Uses --remote http://cli-server.com
        - Verifies connection attempt goes to cli-server.com
        """
        pass

    @pytest.mark.skip(reason="TODO: Implement test for pull operation with counter increment")
    def test_pull_workflow_increments_counter(self, test_config: AppConfig) -> None:
        """
        Test that pull operation increments pull_count in database

        Scenario: Successfully pull workflow from n8n server
        Expected: Database pull_count increments, last_synced updates

        TODO: Implement test with mocked n8n API:
        1. Mock successful n8n API response
        2. Pull existing workflow
        3. Verify pull_count incremented by 1
        4. Verify last_synced timestamp updated
        5. Verify workflow data synchronized
        """
        pass

    @pytest.mark.skip(reason="TODO: Implement test for push operation with counter increment")
    def test_push_workflow_increments_counter(self, test_config: AppConfig) -> None:
        """
        Test that push operation increments push_count in database

        Scenario: Successfully push workflow to n8n server
        Expected: Database push_count increments, last_synced updates

        TODO: Implement test with mocked n8n API:
        1. Create local workflow file
        2. Mock successful n8n API response
        3. Push workflow to server
        4. Verify push_count incremented by 1
        5. Verify last_synced timestamp updated
        """
        pass

    @pytest.mark.skip(reason="TODO: Implement test for API key integration with server commands")
    def test_server_commands_use_stored_api_keys(self, test_config: AppConfig) -> None:
        """
        Test that server commands use API keys stored in database

        Scenario: API key is stored, server commands use it automatically
        Expected: Server requests include stored API key in headers

        TODO: Implement test that:
        1. Stores API key in database
        2. Configures server URL
        3. Mocks server response with authentication check
        4. Verifies API key is sent in request headers
        """
        pass


# Note: Workflow backup/restore functionality has been removed.
# Workflow files should be managed with version control (git).
# Database backups are still available via 'db backup' command.


@pytest.mark.integration
class TestEndToEndErrorHandling:
    """Test error handling scenarios encountered during end-to-end testing"""

    @pytest.mark.skip(reason="TODO: Implement test for duplicate database initialization prevention")
    def test_no_duplicate_database_initialization_messages(self, test_config: AppConfig) -> None:
        """
        Test that database initialization message appears only once

        Scenario: Multiple components access database during single operation
        Expected: Only one "Database initialized" message appears

        TODO: Implement test that:
        1. Runs command that uses both WorkflowManager and KeyApi
        2. Captures all output messages
        3. Verifies "Database initialized" appears exactly once
        4. Confirms dependency injection prevents duplicate instances
        """
        pass

    @pytest.mark.skip(reason="TODO: Implement test for hardcoded value validation")
    def test_no_hardcoded_server_urls_in_output(self, test_config: AppConfig) -> None:
        """
        Test that no hardcoded localhost URLs appear in error messages

        Scenario: Server commands run without configuration
        Expected: Error messages don't reference hardcoded localhost:5678

        TODO: Implement test that:
        1. Runs server commands without server configuration
        2. Captures error output
        3. Verifies no "localhost" or "5678" in messages
        4. Confirms generic configuration guidance provided
        """
        pass


@pytest.mark.integration
class TestEndToEndWorkflowOperations:
    """Test workflow operations from end-to-end perspective"""

    @pytest.mark.skip(reason="TODO: Implement test for workflow file consistency checking")
    def test_workflow_file_existence_accuracy(self, test_config: AppConfig) -> None:
        """
        Test that 'File Exists' column in list command shows accurate status

        Scenario: Database has workflows, some files exist, others don't
        Expected: File existence status reflects actual filesystem state

        TODO: Implement test that:
        1. Creates workflows in database with various file_path values
        2. Creates some actual workflow files, leaves others missing
        3. Runs list command
        4. Verifies 'File Exists' column shows correct status for each
        5. Tests that path resolution works correctly
        """
        pass

    @pytest.mark.skip(reason="TODO: Implement test for workflow search functionality")
    def test_search_workflows_comprehensive_matching(self, test_config: AppConfig) -> None:
        """
        Test workflow search matches names, IDs, and descriptions

        Scenario: Search for workflows using various criteria
        Expected: Search finds matches in name, ID, description fields

        TODO: Implement test that:
        1. Creates workflows with varied names and descriptions
        2. Tests search by partial name match
        3. Tests search by workflow ID
        4. Tests search by description content
        5. Verifies case-insensitive matching
        """
        pass

    @pytest.mark.skip(reason="TODO: Implement test for workflow stats display")
    def test_workflow_stats_comprehensive_display(self, test_config: AppConfig) -> None:
        """
        Test that workflow stats show all relevant information

        Scenario: Get stats for workflow with various metadata
        Expected: Stats include push/pull counts, sync status, file info

        TODO: Implement test that:
        1. Creates workflow with push/pull history
        2. Runs stats command
        3. Verifies display includes counters, timestamps
        4. Tests both table and JSON output formats
        5. Confirms "Never" display for null timestamps
        """
        pass


@pytest.mark.integration
class TestEndToEndCLIConsistency:
    """Test CLI output consistency across different modes"""

    @pytest.mark.skip(reason="TODO: Implement test for emoji vs no-emoji consistency")
    def test_cli_output_emoji_mode_consistency(self, test_config: AppConfig) -> None:
        """
        Test that CLI commands work consistently with and without emoji mode

        Scenario: Same command run with --no-emoji and default emoji mode
        Expected: Core data identical, only presentation differs

        TODO: Implement test that:
        1. Runs commands in both emoji and no-emoji modes
        2. Extracts core data from output
        3. Verifies identical information presented
        4. Confirms emoji characters only in emoji mode
        """
        pass

    @pytest.mark.skip(reason="TODO: Implement test for JSON vs table format consistency")
    def test_cli_output_format_data_consistency(self, test_config: AppConfig) -> None:
        """
        Test that JSON and table formats contain same core data

        Scenario: Same command run with --format json and --format table
        Expected: JSON contains all data shown in table format

        TODO: Implement test that:
        1. Runs list/stats commands in both formats
        2. Parses JSON output and extracts table data
        3. Verifies all table information present in JSON
        4. Confirms additional JSON fields don't break table rendering
        """
        pass

    @pytest.mark.skip(reason="TODO: Implement test for base folder configuration consistency")
    def test_cli_base_folder_configuration_consistency(self, test_config: AppConfig) -> None:
        """
        Test that --data-dir parameter works consistently across all commands

        Scenario: All commands use same --data-dir parameter
        Expected: All commands operate on same database and directory structure

        TODO: Implement test that:
        1. Uses --data-dir with various commands
        2. Verifies all commands use specified directory
        3. Confirms database operations are isolated per app-dir
        4. Tests workflow file resolution relative to configuration
        """
        pass


def create_e2e_test_environment(config: AppConfig) -> Dict[str, Any]:
    """
    Create comprehensive test environment for end-to-end testing

    TODO: Implement function that:
    - Creates multiple workflows with files
    - Sets up API keys
    - Creates backup files
    - Returns environment metadata
    """
    return {
        "workflows_created": 0,
        "api_keys_created": 0,
        "backups_created": 0,
        "test_data_paths": [],
    }


def verify_e2e_test_cleanup(config: AppConfig, _environment: Dict[str, Any]) -> bool:
    """
    Verify that end-to-end test environment is properly cleaned up

    TODO: Implement function that:
    - Checks all test files removed
    - Verifies database state reset
    - Confirms no test artifacts remain
    """
    return True


def mock_n8n_server_responses() -> Generator[Mock, None, None]:
    """
    Mock n8n server responses for testing server integration

    TODO: Implement context manager that:
    - Mocks requests.get/post/put/delete
    - Returns realistic n8n API responses
    - Simulates various server states and errors
    """
    with patch("api.manager.requests") as mock_requests:
        yield mock_requests
