"""
Simplified tool validation tests for GitLab MCP server template.

These tests focus on validating the GitLab template structure and expected
tool categories without requiring complex mocking of the MCP client.
"""

import pytest
from pathlib import Path


class TestGitLabToolValidation:
    """Test GitLab template tool validation and categorization."""

    def test_tool_categorization(self):
        """Test GitLab tool categorization is properly defined."""
        # Expected GitLab tool categories and representative tools
        expected_categories = {
            "Repository Management": [
                "search_repositories",
                "create_repository",
                "get_project",
                "create_or_update_file",
                "get_file_contents",
                "delete_file",
            ],
            "Issue Management": [
                "list_issues",
                "create_issue",
                "get_issue",
                "update_issue",
                "close_issue",
                "add_issue_comment",
            ],
            "Merge Request Management": [
                "list_merge_requests",
                "create_merge_request",
                "get_merge_request",
                "update_merge_request",
                "merge_merge_request",
                "close_merge_request",
            ],
            "Pipeline Management": [
                "list_pipelines",
                "create_pipeline",
                "get_pipeline",
                "retry_pipeline",
                "cancel_pipeline",
            ],
            "Wiki Management": [
                "list_wiki_pages",
                "create_wiki_page",
                "get_wiki_page",
                "update_wiki_page",
                "delete_wiki_page",
            ],
            "Milestone Management": [
                "list_milestones",
                "create_milestone",
                "get_milestone",
                "update_milestone",
                "close_milestone",
            ],
        }

        # Verify each category has expected tools
        for category, tools in expected_categories.items():
            assert len(tools) > 0, f"Category {category} should have tools"

            # Each tool should be a valid string
            for tool in tools:
                assert isinstance(tool, str), f"Tool {tool} should be a string"
                assert len(tool) > 0, f"Tool {tool} should not be empty"

    def test_expected_tool_count_validation(self):
        """Test expected GitLab tool count matches documentation."""
        # Based on GitLab MCP server analysis, should have 65+ tools

        # Repository management: ~15 tools
        repo_tools = [
            "search_repositories",
            "create_repository",
            "get_project",
            "fork_project",
            "list_project_members",
            "create_or_update_file",
            "get_file_contents",
            "delete_file",
            "get_project_tree",
            "list_commits",
            "get_commit",
            "create_branch",
            "delete_branch",
            "list_tags",
            "create_tag",
        ]
        assert len(repo_tools) >= 10

        # Issue management: ~12 tools
        issue_tools = [
            "list_issues",
            "create_issue",
            "get_issue",
            "update_issue",
            "close_issue",
            "reopen_issue",
            "add_issue_comment",
            "list_issue_comments",
            "assign_issue",
            "unassign_issue",
            "add_issue_labels",
            "remove_issue_labels",
        ]
        assert len(issue_tools) >= 8

        # Merge request management: ~11 tools
        mr_tools = [
            "list_merge_requests",
            "create_merge_request",
            "get_merge_request",
            "update_merge_request",
            "merge_merge_request",
            "close_merge_request",
            "add_merge_request_comment",
            "approve_merge_request",
            "unapprove_merge_request",
            "assign_merge_request",
            "list_merge_request_commits",
        ]
        assert len(mr_tools) >= 8

        # Pipeline management: ~8 tools
        pipeline_tools = [
            "list_pipelines",
            "create_pipeline",
            "get_pipeline",
            "retry_pipeline",
            "cancel_pipeline",
            "list_pipeline_jobs",
            "get_job",
            "retry_job",
        ]
        assert len(pipeline_tools) >= 6

        # Wiki management: ~5 tools
        wiki_tools = [
            "list_wiki_pages",
            "create_wiki_page",
            "get_wiki_page",
            "update_wiki_page",
            "delete_wiki_page",
        ]
        assert len(wiki_tools) >= 4

        # Milestone management: ~8 tools
        milestone_tools = [
            "list_milestones",
            "create_milestone",
            "get_milestone",
            "update_milestone",
            "close_milestone",
            "reopen_milestone",
            "list_milestone_issues",
            "list_milestone_merge_requests",
        ]
        assert len(milestone_tools) >= 6

        # Additional tools: variables, webhooks, etc.
        additional_tools = [
            "list_project_variables",
            "create_project_variable",
            "get_project_variable",
            "update_project_variable",
            "delete_project_variable",
            "list_webhooks",
            "create_webhook",
        ]
        assert len(additional_tools) >= 5

        # Total expected: 65+ tools
        total_expected = (
            len(repo_tools)
            + len(issue_tools)
            + len(mr_tools)
            + len(pipeline_tools)
            + len(wiki_tools)
            + len(milestone_tools)
            + len(additional_tools)
        )

        assert total_expected >= 65, f"Expected at least 65 tools, got {total_expected}"

    def test_feature_toggle_tool_mapping(self):
        """Test feature toggles properly control tool availability."""
        # Feature toggles and their associated tools
        feature_mappings = {
            "USE_GITLAB_WIKI": [
                "list_wiki_pages",
                "create_wiki_page",
                "get_wiki_page",
                "update_wiki_page",
                "delete_wiki_page",
            ],
            "USE_MILESTONE": [
                "list_milestones",
                "create_milestone",
                "get_milestone",
                "update_milestone",
                "close_milestone",
                "reopen_milestone",
                "list_milestone_issues",
                "list_milestone_merge_requests",
            ],
            "USE_PIPELINE": [
                "list_pipelines",
                "create_pipeline",
                "get_pipeline",
                "retry_pipeline",
                "cancel_pipeline",
                "list_pipeline_jobs",
                "get_job",
                "retry_job",
            ],
        }

        for feature, tools in feature_mappings.items():
            # Verify feature has associated tools
            assert len(tools) > 0, f"Feature {feature} should control some tools"

            # Verify tools are properly named
            for tool in tools:
                assert isinstance(tool, str)
                assert len(tool) > 0
                assert "_" in tool or tool.islower()  # Valid tool naming

    def test_readonly_mode_restrictions(self):
        """Test read-only mode properly restricts write operations."""
        # Tools that should be disabled in read-only mode
        write_tools = [
            "create_repository",
            "create_or_update_file",
            "delete_file",
            "create_issue",
            "update_issue",
            "close_issue",
            "create_merge_request",
            "merge_merge_request",
            "close_merge_request",
            "create_pipeline",
            "cancel_pipeline",
            "retry_pipeline",
            "create_wiki_page",
            "update_wiki_page",
            "delete_wiki_page",
            "create_milestone",
            "update_milestone",
            "close_milestone",
        ]

        # Tools that should remain available in read-only mode
        read_tools = [
            "search_repositories",
            "get_project",
            "get_file_contents",
            "list_issues",
            "get_issue",
            "list_issue_comments",
            "list_merge_requests",
            "get_merge_request",
            "list_pipelines",
            "get_pipeline",
            "list_pipeline_jobs",
            "list_wiki_pages",
            "get_wiki_page",
            "list_milestones",
            "get_milestone",
        ]

        # Verify categorization makes sense
        assert len(write_tools) >= 10, "Should have multiple write operations"
        assert len(read_tools) >= 10, "Should have multiple read operations"

        # No overlap between read and write tools
        overlap = set(write_tools) & set(read_tools)
        assert len(overlap) == 0, f"Tools should not be in both categories: {overlap}"

    def test_transport_mode_compatibility(self):
        """Test GitLab template supports all expected transport modes."""
        supported_transports = ["stdio", "sse", "streamable-http"]

        for transport in supported_transports:
            # Each transport should be a valid string
            assert isinstance(transport, str)
            assert len(transport) > 0

            # Transport names should be lowercase with hyphens
            assert transport.islower() or "-" in transport

        # Should support at least 3 transport modes
        assert len(supported_transports) >= 3

    def test_environment_variable_consistency(self):
        """Test environment variables are consistently defined."""
        # Expected environment variables for GitLab
        expected_env_vars = {
            "GITLAB_PERSONAL_ACCESS_TOKEN": "authentication",
            "GITLAB_API_URL": "configuration",
            "GITLAB_READ_ONLY_MODE": "feature_toggle",
            "USE_GITLAB_WIKI": "feature_toggle",
            "USE_MILESTONE": "feature_toggle",
            "USE_PIPELINE": "feature_toggle",
            "SSE": "transport",
            "STREAMABLE_HTTP": "transport",
            "HTTP_PROXY": "networking",
            "HTTPS_PROXY": "networking",
        }

        for env_var, category in expected_env_vars.items():
            # Environment variable should be uppercase with underscores
            assert (
                env_var.isupper()
            ), f"Environment variable {env_var} should be uppercase"
            assert (
                "_" in env_var or env_var.isalpha()
            ), f"Environment variable {env_var} should use underscores"

            # Category should be valid
            valid_categories = [
                "authentication",
                "configuration",
                "feature_toggle",
                "transport",
                "networking",
            ]
            assert (
                category in valid_categories
            ), f"Invalid category {category} for {env_var}"

    def test_tool_naming_conventions(self):
        """Test GitLab tools follow proper naming conventions."""
        # Sample tools to test naming conventions
        sample_tools = [
            "search_repositories",
            "create_repository",
            "get_project",
            "list_issues",
            "create_issue",
            "update_issue",
            "list_merge_requests",
            "create_merge_request",
            "get_merge_request",
            "list_pipelines",
            "create_pipeline",
            "retry_pipeline",
            "list_wiki_pages",
            "create_wiki_page",
            "get_wiki_page",
            "list_milestones",
            "create_milestone",
            "update_milestone",
        ]

        for tool in sample_tools:
            # Should be lowercase with underscores
            assert tool.islower(), f"Tool {tool} should be lowercase"
            assert "_" in tool, f"Tool {tool} should use underscores"

            # Should start with action verb
            action_verbs = [
                "list",
                "get",
                "create",
                "update",
                "delete",
                "search",
                "retry",
                "cancel",
                "merge",
                "close",
                "reopen",
                "assign",
                "add",
                "remove",
            ]
            starts_with_verb = any(tool.startswith(verb) for verb in action_verbs)
            assert starts_with_verb, f"Tool {tool} should start with an action verb"

            # Should not be too long
            assert len(tool) <= 30, f"Tool {tool} should not be too long"

    def test_gitlab_specific_features(self):
        """Test GitLab-specific features are properly represented."""
        # GitLab-specific concepts that should have tools
        gitlab_concepts = {
            "repository": ["search_repositories", "create_repository", "fork_project"],
            "issue": ["list_issues", "create_issue", "assign_issue"],
            "merge_request": [
                "list_merge_requests",
                "create_merge_request",
                "merge_merge_request",
            ],
            "pipeline": ["list_pipelines", "create_pipeline", "retry_pipeline"],
            "wiki": ["list_wiki_pages", "create_wiki_page", "get_wiki_page"],
            "milestone": ["list_milestones", "create_milestone", "close_milestone"],
            "project": ["get_project", "list_project_members"],
            "commit": ["list_commits", "get_commit"],
            "branch": ["create_branch", "delete_branch"],
            "tag": ["list_tags", "create_tag"],
        }

        for concept, tools in gitlab_concepts.items():
            # Each concept should have at least one tool
            assert (
                len(tools) >= 1
            ), f"GitLab concept {concept} should have associated tools"

            # Tools should include the concept name or related terms
            for tool in tools:
                concept_words = concept.split("_")
                concept_in_name = (
                    concept in tool
                    or any(word in tool for word in concept_words)
                    or any(concept_word in tool for concept_word in concept_words)
                    or tool.startswith(
                        (
                            "list",
                            "get",
                            "create",
                            "update",
                            "delete",
                            "search",
                            "fork",
                            "assign",
                        )
                    )
                )
                assert (
                    concept_in_name
                ), f"Tool {tool} should relate to concept {concept}"
