//! Integration tests for @require_permission directive in GraphQL execution
//!
//! RED cycle: Write failing tests for full directive integration with query execution

use std::collections::HashMap;

use serde_json::json;

// ============================================================================
// Test 1: Field-Level Authorization in Query Execution
// ============================================================================

/// Test that protected field is skipped when user lacks permission
#[test]
fn test_protected_field_filtered_from_response() {
    // This test verifies that when a field has @require_permission directive,
    // and the user lacks permission, the field is not included in the response.

    let schema_with_directives = json!({
        "types": [{
            "name": "User",
            "fields": [
                {"name": "id", "type": "String"},
                {"name": "email", "type": "String", "requires_permission": "read:User.email"},
                {"name": "ssn", "type": "String", "requires_permission": "admin:*"},
            ]
        }],
        "queries": [{
            "name": "users",
            "return_type": "User",
            "returns_list": true
        }]
    });

    // This will be implemented in server integration
    assert!(schema_with_directives.is_object());
}

/// Test that authorized user sees all fields
#[test]
fn test_authorized_user_sees_all_fields() {
    // Verify that a user with admin permissions can see all fields
    // including sensitive ones

    // This will be implemented in server integration
}

// ============================================================================
// Test 2: Error Handling with Directive Violations
// ============================================================================

/// Test that unauthorized access returns proper GraphQL error
#[test]
fn test_permission_denied_error_response() {
    // Verify that when a user tries to access a protected field without permission,
    // they get a proper GraphQL error with "permission" in the message

    // This will be implemented in server integration
}

// ============================================================================
// Test 3: Multiple Directives on Single Field
// ============================================================================

/// Test that multiple @require_permission directives on same field work with AND logic
#[test]
fn test_multiple_permission_directives_and_logic() {
    // Verify that if a field has multiple @require_permission directives,
    // user must have ALL permissions

    // This will be implemented in server integration
}

// ============================================================================
// Test 4: Directive with Nested Type Fields
// ============================================================================

/// Test that @require_permission works on nested type fields
#[test]
fn test_directive_on_nested_type_fields() {
    // Verify directives work on fields of nested types (not just top-level Query)

    // This will be implemented in server integration
}

// ============================================================================
// Test 5: Custom Directive Registration
// ============================================================================

/// Test that custom directives can be registered with executor
#[test]
fn test_register_custom_directive_handler() {
    // Verify that custom directive handlers can be registered and used

    // This will be implemented in server integration
}
