using System;
using System.Collections.Generic;
using System.Reflection;
using Neo.Afx.Services;

namespace Neo.Afx.WinService.Workflows
{
    public class WorkflowTask
    {
        readonly IWorker _taskInstance;
        readonly MethodInfo _method;

        public WorkflowTask(string typeName, string methodName, long userID, string userName, Dictionary<string, string> settings)
        {
            var type = Type.GetType(typeName);
            _taskInstance = Worker.Create(typeName, userID, userName, settings);
            _method = type.GetMethod(methodName);
        }

        // returns the WorkflowInstanceTaskStatus
        public int Run(long taskID)
        {
            _taskInstance.TraceInfo = string.Empty;

            return (int)_method.Invoke(_taskInstance, new object[]
            {
                taskID
            });
        }

        public string TraceInfo
        {
            get
            {
                return _taskInstance.TraceInfo;
            }
        }
    }
}