using GB5Shared.DTO.Framework.Login;
using SwDAL.DTO.ChangeRequest;

namespace SwBLL.ChangeRequest;

public interface IChangeRequestBLL
{
    Task<ChangeRequestDTO?> GetById(int changeRequestId, LoginDTO login, CancellationToken ct);
    Task<string> GetList(ChangeRequestListCriteria criteria, int pageOffset, int pageSize, LoginDTO login, CancellationToken ct);
    Task<string> GetSelectList(int firstNumber, int maxResult, LoginDTO login, CancellationToken ct);
    Task<string> Save(ChangeRequestDTO dto, LoginDTO login, CancellationToken ct);
    Task<string> Delete(int changeRequestId, LoginDTO login, CancellationToken ct);
    Task<string> Submit(int changeRequestId, LoginDTO login, CancellationToken ct);
    Task<string> Approve(int changeRequestId, string? comment, LoginDTO login, CancellationToken ct);
    Task<string> Reject(int changeRequestId, string reason, LoginDTO login, CancellationToken ct);
    Task<string> Return(int changeRequestId, string? comment, LoginDTO login, CancellationToken ct);
    Task<string> Execute(int changeRequestId, LoginDTO login, CancellationToken ct);

    // Background execution (tracker §37) — additive alongside Execute(), which stays unchanged
    // for existing callers/tests. QueueExecutionAsync returns immediately; a Quartz job
    // (ChangeRequestExecutionWorkerJob) calls ProcessQueuedExecutionsAsync on a timer to do the
    // actual work, sharing the exact same execution logic Execute() itself uses.
    Task<string> QueueExecutionAsync(int changeRequestId, LoginDTO login, CancellationToken ct);
    Task<int> ProcessQueuedExecutionsAsync(LoginDTO login, CancellationToken ct);
}