//! RBAC API Integration tests
//!
//! Tests for endpoint-to-database integration

// ============================================================================
// Test 1: Role Creation Endpoint Integration
// ============================================================================

/// Test POST /api/roles creates role in database
#[test]
fn test_create_role_endpoint_integration() {
    // POST /api/roles with CreateRoleRequest
    // Should call database backend create_role()
    // Should return 201 with created role ID
    // Should be queryable afterwards via GET /api/roles/{id}
}

/// Test created role includes permissions from request
#[test]
fn test_create_role_with_permissions() {
    // POST /api/roles with permission IDs in CreateRoleRequest
    // Should call create_role() with all permissions
    // Should be able to GET role and see all permissions
}

/// Test creating role without name returns 400
#[test]
fn test_create_role_validation_error() {
    // POST /api/roles with empty name
    // Should return 400 Bad Request with error message
}

/// Test creating duplicate role returns 409
#[test]
fn test_create_role_duplicate_error() {
    // POST /api/roles twice with same name in same tenant
    // Second request should return 409 Conflict
    // Should include error message about duplicate
}

/// Test role creation respects tenant context
#[test]
fn test_create_role_respects_tenant_context() {
    // POST /api/roles with JWT containing tenant_id
    // Should extract tenant from JWT and pass to database
    // Role should be scoped to that tenant
}

/// Test created role audit event is logged
#[test]
fn test_create_role_creates_audit_event() {
    // POST /api/roles should create AuditEvent
    // Event type: "role_create"
    // Should be queryable via GET /api/audit/permissions
}

// ============================================================================
// Test 2: List Roles Endpoint Integration
// ============================================================================

/// Test GET /api/roles returns roles from database
#[test]
fn test_list_roles_from_database() {
    // Create 5 roles via POST
    // GET /api/roles should return all 5
    // Should match created role details exactly
}

/// Test list roles respects tenant isolation
#[test]
fn test_list_roles_tenant_filtered() {
    // Create roles in tenant A and tenant B
    // GET /api/roles as tenant A user should return only A's roles
    // GET /api/roles as tenant B user should return only B's roles
}

/// Test list roles pagination works end-to-end
#[test]
fn test_list_roles_pagination_integration() {
    // Create 25 roles
    // GET /api/roles?limit=10&offset=0 should return first 10
    // GET /api/roles?limit=10&offset=10 should return next 10
    // GET /api/roles?limit=10&offset=20 should return last 5
}

/// Test list roles returns correct role permissions
#[test]
fn test_list_roles_includes_permissions() {
    // Create role with 3 permissions
    // GET /api/roles should include all 3 permissions for that role
}

/// Test empty role list returns empty array
#[test]
fn test_list_roles_empty() {
    // GET /api/roles with no roles created
    // Should return 200 OK with empty array
}

// ============================================================================
// Test 3: Get Role by ID Endpoint Integration
// ============================================================================

/// Test GET /api/roles/{id} retrieves role from database
#[test]
fn test_get_role_by_id() {
    // Create role with POST
    // GET /api/roles/{id} should return same role
}

/// Test getting non-existent role returns 404
#[test]
fn test_get_role_not_found() {
    // GET /api/roles/{non_existent_uuid} should return 404 Not Found
}

/// Test get role respects tenant isolation
#[test]
fn test_get_role_tenant_isolation() {
    // Create role in tenant A
    // GET as tenant B user should return 404 (not 403)
}

/// Test retrieved role has complete permission list
#[test]
fn test_get_role_complete_permissions() {
    // Create role with multiple permissions
    // GET should return role with all permissions
}

// ============================================================================
// Test 4: Update Role Endpoint Integration
// ============================================================================

/// Test PUT /api/roles/{id} updates role in database
#[test]
fn test_update_role_in_database() {
    // Create role, then PUT new name/description
    // GET role should return updated values
}

/// Test update role modifies permissions
#[test]
fn test_update_role_permissions() {
    // Create role with permissions [A, B]
    // PUT with permissions [B, C]
    // GET should return [B, C]
}

/// Test updating non-existent role returns 404
#[test]
fn test_update_role_not_found() {
    // PUT /api/roles/{non_existent_id} should return 404
}

/// Test role update creates audit event
#[test]
fn test_update_role_audit_event() {
    // PUT /api/roles/{id} with new name
    // Should create AuditEvent with before/after states
}

// ============================================================================
// Test 5: Delete Role Endpoint Integration
// ============================================================================

/// Test DELETE /api/roles/{id} removes from database
#[test]
fn test_delete_role_from_database() {
    // Create role, then DELETE
    // GET should return 404 afterwards
}

/// Test cannot delete role with active assignments
#[test]
fn test_delete_role_with_assignments() {
    // Create role and assign to user
    // DELETE /api/roles/{id} should return 409 Conflict
    // Role should still exist afterwards
}

/// Test delete role without assignments succeeds
#[test]
fn test_delete_unused_role() {
    // Create role without assigning to users
    // DELETE should return 204 No Content
    // Role should be gone
}

/// Test role deletion creates audit event
#[test]
fn test_delete_role_audit_event() {
    // DELETE /api/roles/{id}
    // Should create AuditEvent showing deleted role
}

// ============================================================================
// Test 6: Permission Endpoint Integration
// ============================================================================

/// Test POST /api/permissions creates permission in database
#[test]
fn test_create_permission_integration() {
    // POST with resource and action
    // GET /api/permissions/{id} should return created permission
}

/// Test list permissions returns all created
#[test]
fn test_list_permissions_integration() {
    // Create 5 permissions
    // GET /api/permissions should return all 5
}

/// Test permission filtering by resource
#[test]
fn test_filter_permissions_by_resource() {
    // Create permissions: query:read, query:write, mutation:write
    // GET /api/permissions?resource=query should return 2
}

/// Test cannot delete permission in use by role
#[test]
fn test_delete_permission_in_use() {
    // Create permission and assign to role
    // DELETE /api/permissions/{id} should return 409 Conflict
}

// ============================================================================
// Test 7: User-Role Assignment Endpoint Integration
// ============================================================================

/// Test POST /api/user-roles assigns role in database
#[test]
fn test_assign_role_to_user_integration() {
    // POST /api/user-roles with user_id and role_id
    // Should be queryable via GET /api/user-roles
}

/// Test cannot assign same role twice
#[test]
fn test_prevent_duplicate_assignment() {
    // POST /api/user-roles for user+role pair
    // Second POST with same pair should return 409 Conflict
}

/// Test list user roles filters by current user
#[test]
fn test_list_user_roles_filtered() {
    // Assign roles to multiple users
    // Each user should only see their own roles via GET /api/user-roles
}

/// Test revoking role removes from database
#[test]
fn test_revoke_role_from_database() {
    // Assign role to user
    // DELETE /api/user-roles/{user_id}/{role_id}
    // User should no longer have role
}

/// Test user-role assignment respects tenant
#[test]
fn test_assignment_respects_tenant() {
    // Tenant A user should only be assignable roles from tenant A
    // Should reject cross-tenant assignments with 409
}

// ============================================================================
// Test 8: Audit Endpoint Integration
// ============================================================================

/// Test GET /api/audit/permissions returns audit events
#[test]
fn test_query_audit_logs_integration() {
    // Perform audit-able actions (create/update/delete)
    // GET /api/audit/permissions should return events
}

/// Test audit query filters by user
#[test]
fn test_audit_filter_by_user() {
    // Multiple users perform actions
    // GET /api/audit/permissions?user_id={id} should return only that user's events
}

/// Test audit query filters by time range
#[test]
fn test_audit_filter_by_time() {
    // Perform actions at different times
    // GET /api/audit/permissions?start_time=X&end_time=Y should filter correctly
}

/// Test audit query filters by status
#[test]
fn test_audit_filter_by_status() {
    // Cause denied/failure audit events
    // GET /api/audit/permissions?status=denied should return only those
}

// ============================================================================
// Test 9: Authorization Integration
// ============================================================================

/// Test creating role requires admin:write permission
#[test]
fn test_create_role_requires_permission() {
    // User without admin:write permission
    // POST /api/roles should return 403 Forbidden
}

/// Test listing roles doesn't require special permission
#[test]
fn test_list_roles_no_permission_required() {
    // Any authenticated user
    // GET /api/roles should return 200 OK
}

/// Test deleting role requires admin:write
#[test]
fn test_delete_role_requires_permission() {
    // User without admin:write permission
    // DELETE /api/roles/{id} should return 403 Forbidden
}

/// Test querying audit requires audit:read
#[test]
fn test_audit_requires_permission() {
    // User without audit:read permission
    // GET /api/audit/permissions should return 403 Forbidden
}

// ============================================================================
// Test 10: Error Response Consistency
// ============================================================================

/// Test all 404 responses have consistent format
#[test]
fn test_consistent_404_format() {
    // GET /api/roles/{non_existent}
    // GET /api/permissions/{non_existent}
    // Should both return 404 with same error structure
}

/// Test all 409 responses have consistent format
#[test]
fn test_consistent_409_format() {
    // Create duplicate role - 409
    // Create duplicate permission - 409
    // Assign duplicate role - 409
    // Should all have consistent error message
}

/// Test all error responses include error code
#[test]
fn test_error_responses_include_code() {
    // All error responses should have structure:
    // {error: "message", code: "ERROR_CODE"}
}

/// Test timeout errors propagate correctly
#[test]
fn test_database_timeout_error() {
    // If database times out
    // Endpoint should return 504 Gateway Timeout
    // With appropriate error message
}

// ============================================================================
// Test 11: Transaction Safety
// ============================================================================

/// Test concurrent requests don't create duplicates
#[test]
fn test_concurrent_creation_safety() {
    // Multiple concurrent POST requests for same role
    // Only one should succeed
    // Others should get 409 Conflict
}

/// Test role deletion and user assignment race condition
#[test]
fn test_delete_race_with_assignment() {
    // Concurrent DELETE role and POST user-roles
    // Either delete succeeds (409 on assignment)
    // Or assignment succeeds (then DELETE returns 409)
    // But not inconsistent state
}

/// Test permission deletion and role assignment race
#[test]
fn test_permission_delete_race() {
    // Concurrent DELETE permission and POST role with that permission
    // Should end up consistent either way
}

// ============================================================================
// Test 12: End-to-End Workflows
// ============================================================================

/// Test complete role creation workflow
#[test]
fn test_e2e_create_and_assign_role() {
    // 1. Create permissions: query:read, query:write
    // 2. Create role with those permissions
    // 3. Assign role to user
    // 4. Verify user has permissions via GET /api/user-roles
    // 5. Check audit log has all events
}

/// Test complete role modification workflow
#[test]
fn test_e2e_modify_role_and_propagate() {
    // 1. Create role and assign to 3 users
    // 2. Add permission to role via PUT
    // 3. Users should now have new permission
    // 4. Update should be in audit log
}

/// Test complete role removal workflow
#[test]
fn test_e2e_revoke_and_verify() {
    // 1. Create role and assign to user
    // 2. Verify user has role via GET /api/user-roles
    // 3. Revoke role
    // 4. Verify user no longer has role
    // 5. Verify revocation in audit log
}

/// Test multi-tenant isolation end-to-end
#[test]
fn test_e2e_multi_tenant_isolation() {
    // 1. Tenant A creates role "Admin"
    // 2. Tenant B creates role "Admin" (same name)
    // 3. Both can list roles and each sees only their "Admin"
    // 4. User in Tenant A cannot see Tenant B's roles
    // 5. Assignment to Tenant B role rejects Tenant A user
}

/// Test permission audit trail completeness
#[test]
fn test_e2e_complete_audit_trail() {
    // 1. Create role - audit logged
    // 2. Add permission to role - audit logged
    // 3. Assign to user - audit logged
    // 4. Update role name - audit logged
    // 5. Revoke from user - audit logged
    // 6. Delete role - audit logged (should fail with users assigned)
    // 7. Revoke user first, then delete - audit logged
    // All events queryable and complete
}
