using RobotNet10.MapEditor.Shared.DTOs.LayoutData;
using RobotNet10.MapEditor.Shared.DTOs.Requests;
using RobotNet10.MapEditor.Shared.DTOs.Responses;

namespace RobotNet10.MapManager.Services;

/// <summary>
/// Service for retrieving complete layout data (nodes, edges, stations)
/// </summary>
public interface ILayoutDataService
{
    /// <summary>
    /// Get complete layout data for a layout level
    /// Includes all nodes, edges, and stations with full nested properties
    /// </summary>
    Task<LayoutDataDto> GetLayoutDataAsync(Guid layoutLevelId);

    /// <summary>
    /// Merge multiple nodes into one node at center position
    /// </summary>
    Task<MergeNodesResponse> MergeNodesAsync(MergeNodesRequest request);

    /// <summary>
    /// Split a node into multiple nodes (one for each connected edge)
    /// </summary>
    Task<SplitNodeResponse> SplitNodeAsync(SplitNodeRequest request);

    /// <summary>
    /// Save all layout changes (nodes and edges) in a batch operation
    /// Uses transaction to ensure atomicity
    /// </summary>
    Task<SaveLayoutDataResponse> SaveLayoutDataAsync(SaveLayoutDataRequest request);

    /// <summary>
    /// Copy selected nodes and edges with an offset
    /// Creates new nodes and edges at offset positions
    /// </summary>
    Task<CopyNodesResponse> CopyNodesAsync(CopyNodesRequest request);
}