package usecase

import (
	"context"

	"gateway/internal/model/permission/domain/enum"
)

// MePermissionsResponse is the shape consumed by frontend client code to
// render menu/feature switches. Status enables the legacy permission-server
// "open/close" pattern so keys can be hidden without removing rules.
type MePermissionsResponse struct {
	UID         string                `json:"uid"`
	TenantID    string                `json:"tenant_id"`
	Roles       []string              `json:"roles"`
	Permissions enum.Permissions      `json:"permissions"`
	Tree        []*PermissionTreeNode `json:"tree,omitempty"`
}

// AuthorizationQueryUseCase composes Role + RolePermission + Permission +
// PermissionTree to materialise the "what can the current user see" map
// returned by GET /permissions/me.
type AuthorizationQueryUseCase interface {
	Me(ctx context.Context, tenantID, uid string, includeTree bool) (*MePermissionsResponse, error)
}