using MediatR;
using Workflow.Application.Features.WorkflowTasks.Commands;

namespace BuildFlow.Host.Endpoints.Workflow.WorkflowTask;


/// <summary>
/// 驳回任务端点。转 Rejected 终态，按 Rejected 边流转（若无则结束实例）。
/// </summary>
public class RejectTaskEndpoint : Endpoint<RejectTaskRequest, bool>
{
    private readonly IMediator _mediator;

    public RejectTaskEndpoint(IMediator mediator) => _mediator = mediator;

    public override void Configure()
    {
        Post("/workflow-tasks/{Id}/reject");
        Permissions("workflow-task:reject");
        Summary(s =>
        {
            s.Summary = "Reject a pending task";
        });
    }

    public override async Task HandleAsync(RejectTaskRequest req, CancellationToken ct)
    {
        var command = new RejectTaskCommand(req.Id, req.UserId, req.Comment);
        await _mediator.Send(command, ct);
        await Send.OkAsync(true, ct);
    }
}