"""
Integration test for error handling in project creation.

This test validates that the tool properly handles invalid inputs and
provides clear, actionable error messages.
"""

import pytest
import tempfile
import os


def test_invalid_project_name():
    """Test handling of invalid project names."""
    invalid_names = [
        "Invalid-Name!",  # Contains invalid characters
        "123invalid",     # Starts with number
        "invalid name",   # Contains spaces
        "",               # Empty string
        "UPPER_CASE",     # Upper case not allowed
        "name_with_very_long_length_that_exceeds_limits"  # Too long
    ]

    with tempfile.TemporaryDirectory() as temp_dir:
        for invalid_name in invalid_names:
            project_path = os.path.join(temp_dir, f"test_{invalid_name}")

            params = {
                "project_name": invalid_name,
                "template_type": "saas",
                "destination_path": project_path
            }

            # This test will fail until the tool is implemented
            # TODO: Call the actual MCP tool and expect failure
            # result = call_loco_create_project(params)
            # assert not result["success"], f"Should fail for invalid name: {invalid_name}"
            # assert "project name" in result["error_message"].lower()

            # For now, expect failure since tool doesn't exist
            pytest.fail(f"loco_create_project tool not implemented yet - should fail for: {invalid_name}")


def test_invalid_template_type():
    """Test handling of invalid template types."""
    invalid_templates = [
        "invalid_template",
        "SaaS",  # Case sensitive
        "REST-API",
        "light weight",
        ""
    ]

    with tempfile.TemporaryDirectory() as temp_dir:
        for invalid_template in invalid_templates:
            project_path = os.path.join(temp_dir, f"test_template_{invalid_template}")

            params = {
                "project_name": "test_app",
                "template_type": invalid_template,
                "destination_path": project_path
            }

            # This test will fail until the tool is implemented
            # TODO: Call the actual MCP tool and expect failure
            # result = call_loco_create_project(params)
            # assert not result["success"], f"Should fail for invalid template: {invalid_template}"
            # assert "template" in result["error_message"].lower()

            # For now, expect failure since tool doesn't exist
            pytest.fail(f"loco_create_project tool not implemented yet - should fail for template: {invalid_template}")


def test_missing_required_parameters():
    """Test handling of missing required parameters."""
    base_params = {
        "template_type": "saas",
        "destination_path": "/tmp/test_missing"
    }

    # Missing project_name
    params_without_name = base_params.copy()

    # This test will fail until the tool is implemented
    # TODO: Call the actual MCP tool and expect failure
    # result = call_loco_create_project(params_without_name)
    # assert not result["success"]
    # assert "required" in result["error_message"].lower()

    pytest.fail("loco_create_project tool not implemented yet - should fail for missing parameters")


def test_invalid_database_configurations():
    """Test handling of invalid database configurations."""
    invalid_database_configs = [
        "unsupported_db",
        "mysql",  # Not in supported list
        "mongodb",
        ""
    ]

    with tempfile.TemporaryDirectory() as temp_dir:
        for invalid_db in invalid_database_configs:
            project_path = os.path.join(temp_dir, f"test_db_{invalid_db}")

            params = {
                "project_name": "test_app",
                "template_type": "saas",
                "destination_path": project_path,
                "database_type": invalid_db
            }

            # This test will fail until the tool is implemented
            # TODO: Call the actual MCP tool and expect failure
            # result = call_loco_create_project(params)
            # assert not result["success"], f"Should fail for invalid database: {invalid_db}"
            # assert "database" in result["error_message"].lower()

            pytest.fail(f"loco_create_project tool not implemented yet - should fail for database: {invalid_db}")


def test_error_message_clarity():
    """Test that error messages are clear and actionable."""
    # This test validates error message quality when the tool is implemented
    expected_error_qualities = [
        "mentions specific field that failed",
        "explains why the validation failed",
        "suggests how to fix the issue",
        "uses user-friendly language"
    ]

    # This will be validated when the tool is implemented
    # TODO: Test actual error messages from tool
    assert len(expected_error_qualities) >= 3, "Error messages should be informative"


if __name__ == "__main__":
    test_invalid_project_name()
    test_invalid_template_type()
    test_missing_required_parameters()
    test_invalid_database_configurations()
    test_error_message_clarity()