"""
Basic integration tests for the bash language server functionality.

These tests validate the functionality of the language server APIs
like request_document_symbols using the bash test repository.
"""

import pytest

from solidlsp import SolidLanguageServer
from solidlsp.ls_config import Language


@pytest.mark.bash
class TestBashLanguageServerBasics:
    """Test basic functionality of the bash language server."""

    @pytest.mark.parametrize("language_server", [Language.BASH], indirect=True)
    def test_bash_language_server_initialization(self, language_server: SolidLanguageServer) -> None:
        """Test that bash language server can be initialized successfully."""
        assert language_server is not None
        assert language_server.language == Language.BASH

    @pytest.mark.parametrize("language_server", [Language.BASH], indirect=True)
    def test_bash_request_document_symbols(self, language_server: SolidLanguageServer) -> None:
        """Test request_document_symbols for bash files."""
        # Test getting symbols from main.sh
        all_symbols, root_symbols = language_server.request_document_symbols("main.sh", include_body=False)

        # Extract function symbols (LSP Symbol Kind 12)
        function_symbols = [symbol for symbol in all_symbols if symbol.get("kind") == 12]
        function_names = [symbol["name"] for symbol in function_symbols]

        # Should detect all 3 functions from main.sh
        assert "greet_user" in function_names, "Should find greet_user function"
        assert "process_items" in function_names, "Should find process_items function"
        assert "main" in function_names, "Should find main function"
        assert len(function_symbols) >= 3, f"Should find at least 3 functions, found {len(function_symbols)}"

    @pytest.mark.parametrize("language_server", [Language.BASH], indirect=True)
    def test_bash_request_document_symbols_with_body(self, language_server: SolidLanguageServer) -> None:
        """Test request_document_symbols with body extraction."""
        # Test with include_body=True
        all_symbols, root_symbols = language_server.request_document_symbols("main.sh", include_body=True)

        function_symbols = [symbol for symbol in all_symbols if symbol.get("kind") == 12]

        # Find greet_user function and check it has body
        greet_user_symbol = next((sym for sym in function_symbols if sym["name"] == "greet_user"), None)
        assert greet_user_symbol is not None, "Should find greet_user function"

        if "body" in greet_user_symbol:
            body = greet_user_symbol["body"]
            assert "function greet_user()" in body, "Function body should contain function definition"
            assert "case" in body.lower(), "Function body should contain case statement"

    @pytest.mark.parametrize("language_server", [Language.BASH], indirect=True)
    def test_bash_utils_functions(self, language_server: SolidLanguageServer) -> None:
        """Test function detection in utils.sh file."""
        # Test with utils.sh as well
        utils_all_symbols, utils_root_symbols = language_server.request_document_symbols("utils.sh", include_body=False)

        utils_function_symbols = [symbol for symbol in utils_all_symbols if symbol.get("kind") == 12]
        utils_function_names = [symbol["name"] for symbol in utils_function_symbols]

        # Should detect functions from utils.sh
        expected_utils_functions = [
            "to_uppercase",
            "to_lowercase",
            "trim_whitespace",
            "backup_file",
            "contains_element",
            "log_message",
            "is_valid_email",
            "is_number",
        ]

        for func_name in expected_utils_functions:
            assert func_name in utils_function_names, f"Should find {func_name} function in utils.sh"

        assert len(utils_function_symbols) >= 8, f"Should find at least 8 functions in utils.sh, found {len(utils_function_symbols)}"

    @pytest.mark.parametrize("language_server", [Language.BASH], indirect=True)
    def test_bash_regex_fallback_detection(self, language_server: SolidLanguageServer) -> None:
        """Test the regex-based fallback function detection directly."""
        # Check if the method exists (it should if we have our enhanced bash server)
        if not hasattr(language_server, "_detect_bash_functions"):
            pytest.fail("Enhanced bash function detection not available - this may be due to test environment setup")

        # Test the _detect_bash_functions method directly
        detected_functions = language_server._detect_bash_functions("main.sh", include_body=True)

        # Should detect functions even if LSP doesn't provide them
        assert len(detected_functions) == 3, f"Should detect exactly 3 functions, found {len(detected_functions)}"

        function_names = [func["name"] for func in detected_functions]
        assert "greet_user" in function_names, "Regex should detect greet_user function"
        assert "process_items" in function_names, "Regex should detect process_items function"
        assert "main" in function_names, "Regex should detect main function"

        # Check that symbols have proper structure
        for func in detected_functions:
            assert func["kind"] == 12, f"Function {func['name']} should have LSP Symbol Kind 12"
            assert "location" in func, f"Function {func['name']} should have location info"
            assert "range" in func, f"Function {func['name']} should have range info"
            assert "selectionRange" in func, f"Function {func['name']} should have selectionRange info"

            # Check location structure
            location = func["location"]
            assert "uri" in location, f"Function {func['name']} location should have URI"
            assert "range" in location, f"Function {func['name']} location should have range"
            assert "relativePath" in location, f"Function {func['name']} location should have relative path"

    @pytest.mark.parametrize("language_server", [Language.BASH], indirect=True)
    def test_bash_function_syntax_patterns(self, language_server: SolidLanguageServer) -> None:
        """Test detection of different bash function syntax patterns."""
        # Check if the method exists (it should if we have our enhanced bash server)
        if not hasattr(language_server, "_detect_bash_functions"):
            pytest.fail("Enhanced bash function detection not available - this may be due to test environment setup")

        # Test main.sh (has 'function' keyword functions and regular function)
        main_functions = language_server._detect_bash_functions("main.sh", include_body=False)

        # Test utils.sh (all use 'function' keyword)
        utils_functions = language_server._detect_bash_functions("utils.sh", include_body=False)

        # Verify we detect both syntax patterns
        main_function_names = [func["name"] for func in main_functions]
        utils_function_names = [func["name"] for func in utils_functions]

        # main() uses regular syntax: main() {
        assert "main" in main_function_names, "Should detect regular function syntax"

        # Functions with 'function' keyword: function name() {
        assert "greet_user" in main_function_names, "Should detect function keyword syntax"
        assert "to_uppercase" in utils_function_names, "Should detect function keyword syntax in utils"

        # Verify all expected utils functions are detected
        expected_utils = [
            "to_uppercase",
            "to_lowercase",
            "trim_whitespace",
            "backup_file",
            "contains_element",
            "log_message",
            "is_valid_email",
            "is_number",
        ]

        for expected_func in expected_utils:
            assert expected_func in utils_function_names, f"Should detect {expected_func} function"