using Neo.Afx.Services.Workflows;
using Neo.Afx.Services.Workflows.Entities;
using System.Collections.Generic;
using System.Linq;

namespace Neo.LegitimateLicences.Common
{
    public class WorkflowHelper
    {
        public static Vw_WorkflowInstance GetWorkflowInstanceView(long entityID, long itemID, long userID)
        {
            var wi = new WorkflowsDatabase().GetWorkflowInstanceView(entityID, itemID);

            return wi ?? new Vw_WorkflowInstance() { WorkflowInstanceID = -1 };
        }

        public static List<Pr_WorkflowInstanceTaskEscalationUsersGet_Result> GetEscalateToUsers(long workflowInstanceTaskID, bool includeUserSettings)
        {
            return new WorkflowsDatabase().GetWorkflowInstanceTaskEscalationUsers(workflowInstanceTaskID, includeUserSettings);
        }

        public static Vw_WorkflowInstanceTask GetActiveUserTask(long userID, EntityEnum entity, long itemID)
        {
            return GetActiveUserTask(userID, (int)entity, itemID);
        }

        public static Vw_WorkflowInstanceTask GetActiveUserUserTaskByID(long entityID, long itemID, long taskID, long userID)
        {
            var tasks = new WorkflowsDatabase().GetTasks(entityID, itemID);

            return tasks.FirstOrDefault(a => a.WorkflowInstanceTaskID == taskID && a.AssignedToID == userID && a.WorkflowInstanceTaskStatusID == 1); //1=Outstanding
        }

        public static Vw_WorkflowInstanceTask GetActiveUserTask(long userID, long entityID, long itemID)
        {
            var tasks = new WorkflowsDatabase().GetTasks(entityID, itemID);

            return GetActiveUserTask(userID, tasks);
        }

        public static Vw_WorkflowInstanceTask GetActiveUserTask(long userID, List<Vw_WorkflowInstanceTask> tasks)
        {
            var task = tasks.FirstOrDefault(a => a.AssignedToID == userID && a.WorkflowInstanceTaskStatusID == 1); //1=Outstanding

            #region Do Workflow Buddy Check
            if (task == null)
            {
                var activeTask = tasks.FirstOrDefault(a => a.WorkflowInstanceTaskStatusID == 1);

                if (activeTask != null)
                {
                    var wd = new WorkflowsDatabase();
                    var assignedToID = activeTask.AssignedToID;

                    if (wd.IsWorkflowBuddy(activeTask.WorkflowID, assignedToID, userID))
                    {
                        task = activeTask;
                    }
                }                
            }
            #endregion

            return task;
        }

        public static Vw_WorkflowInstanceTask GetActiveTask(long entityID, long itemID)
        {
            var tasks = new WorkflowsDatabase().GetTasks(entityID, itemID);

            return tasks.FirstOrDefault(a => a.WorkflowInstanceTaskStatusID == 1); //1=Outstanding
        }
    }
}