using System.Collections.Generic;
using System.Threading;
using System.Threading.Tasks;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.DTO.GOP;

namespace FrameworkBLL.GOP
{
    public interface IGopFlowBLL
    {
        // ── Flow management ───────────────────────────────────────────────────────

        Task<string> SaveGopFlow(GopFlowDTO dto, LoginDTO loginDTO, CancellationToken ct = default);
        Task<string> DeleteGopFlow(int flowId, LoginDTO loginDTO, CancellationToken ct = default);
        Task<GopFlowDTO?> GetGopFlow(int flowId, LoginDTO loginDTO, CancellationToken ct = default);
        Task<IEnumerable<GopFlowDTO>> GetGopFlowList(LoginDTO loginDTO, CancellationToken ct = default);
        Task<GopPublishResultDTO> PublishGopFlow(int flowId, string snapshotVersionLabel, LoginDTO loginDTO, CancellationToken ct = default);
        Task<IEnumerable<GopFlowSnapshotDTO>> GetGopFlowVersionHistory(int flowId, LoginDTO loginDTO, CancellationToken ct = default);

        // ── Flow Step / Edge (design-time graph) management ───────────────────────

        Task<GopFlowGraphDTO> GetGopFlowGraph(int flowId, LoginDTO loginDTO, CancellationToken ct = default);
        Task<string> SaveGopFlowStep(GopFlowStepDTO dto, LoginDTO loginDTO, CancellationToken ct = default);
        Task<GopFlowStepDTO?> GetGopFlowStep(int flowStepId, LoginDTO loginDTO, CancellationToken ct = default);
        Task<IEnumerable<GopFlowStepDTO>> GetGopFlowStepList(int flowId, LoginDTO loginDTO, CancellationToken ct = default);
        Task<string> DeleteGopFlowStep(int flowStepId, LoginDTO loginDTO, CancellationToken ct = default);
        Task<string> SaveGopFlowStepEdge(GopFlowStepEdgeDTO dto, LoginDTO loginDTO, CancellationToken ct = default);
        Task<GopFlowStepEdgeDTO?> GetGopFlowStepEdge(int flowStepEdgeId, LoginDTO loginDTO, CancellationToken ct = default);
        Task<IEnumerable<GopFlowStepEdgeDTO>> GetGopFlowStepEdgeList(int flowId, LoginDTO loginDTO, CancellationToken ct = default);
        Task<string> DeleteGopFlowStepEdge(int flowStepEdgeId, LoginDTO loginDTO, CancellationToken ct = default);

        // ── Source Binding management ─────────────────────────────────────────────

        Task<string> SaveGopSourceBinding(GopSourceBindingDTO dto, LoginDTO loginDTO, CancellationToken ct = default);
        Task<string> DeleteGopSourceBinding(int sourceBindingId, LoginDTO loginDTO, CancellationToken ct = default);
        Task<GopSourceBindingDTO?> GetGopSourceBinding(int sourceBindingId, LoginDTO loginDTO, CancellationToken ct = default);
        Task<IEnumerable<GopSourceBindingDTO>> GetGopSourceBindingList(LoginDTO loginDTO, CancellationToken ct = default);
        Task<IEnumerable<GopSourceBindingDTO>> GetAllSourceBindings(LoginDTO loginDTO);

        // ── Read-only (used internally / by execution) ────────────────────────────

        Task<GopFlowSnapshotDTO?> GetFlowSnapshot(int flowId, string snapshotVersion, LoginDTO loginDTO);
        Task<IEnumerable<GopFlowSnapshotStepDTO>> GetSnapshotSteps(string snapshotVersion, LoginDTO loginDTO);
    }
}