using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace MW.WorkFlow
{
    public enum WorkflowState
    {
        Created,   // 工作流刚创建
        Running,   // 工作流正在运行
        Paused,    // 工作流已暂停
        Stopped,   // 工作流已停止
        Completed, // 工作流已完成
        Canceled,  // 工作流已取消
        Faulted    // 工作流执行时发生异常
    }

    public class WorkflowExecutionPointer
    {
        public string WorkflowName { get; set; }
        public string FlowName { get; set; }
        public string ActivityName { get; set; }
        public string CurrentStepId { get; set; }
        public string NextStepId { get; set; }
        public DateTime UpdatedAt { get; set; }
    }

    public class WorkflowFaultInfo
    {
        public string WorkflowName { get; set; }
        public string FlowName { get; set; }
        public string ActivityName { get; set; }
        public string CurrentStepId { get; set; }
        public string ErrorMessage { get; set; }
        public DateTime OccurredAt { get; set; }
    }

    public interface IWorkflowRuntimeTracker
    {
        void UpdateExecutionPointer(WorkflowExecutionPointer executionPointer);
        void ReportWorkflowFault(WorkflowFaultInfo faultInfo);
    }
}