using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows.Controls;
using System.Windows.Controls.Primitives;
using Comal.Classes;
using InABox.Core;

namespace PRSDesktop
{
    public interface ITaskHost : IJobControl
    {
        IList<KanbanType> KanbanTypes { get; }

        KanbanSettings KanbanSettings { get; }
        void SaveSettings();

        void PopulateMenu(ITaskControl control, ContextMenu menu);

        Kanban? CreateKanban(Action<Kanban> customise);
        IEnumerable<Kanban> LoadKanbans(IEnumerable<TaskModel> models, Columns<Kanban> columns);

        bool EditKanbans(IEnumerable<TaskModel> models, Action<Kanban> customise = null);
        void DeleteKanbans(IEnumerable<TaskModel> models, string auditnote);

        //Requisition CreateRequisition(TaskModel model, Action<Requisition> customise);
        //bool EditRequisition(TaskModel model, Action<Requisition> customise = null);

        KanbanReferences[] GetReferences(IEnumerable<TaskModel> models);
        bool EditReferences(IEnumerable<TaskModel> models);

        bool CanChangeTasks(IEnumerable<TaskModel> models);
    }

    public interface ITaskControl
    {
        ITaskHost Host { get; set; }

        KanbanViewType KanbanViewType { get; }

        bool IsReady { get; set; }

        IEnumerable<TaskModel> SelectedModels(TaskModel sender = null);

        string SectionName { get; }

        DataModel DataModel(Selection selection);

        void Setup();

        void Refresh(bool resetselection);
    }

    public class KanbanReferences
    {
        public KanbanReferences()
        {
            Requisitions = new Guid[] { };
            Setouts = new Guid[] { };
            Deliveries = new Guid[] { };
            Orders = new Guid[] { };
        }

        public Guid Kanban { get; set; }

        public Guid[] Requisitions { get; set; }
        public Guid[] Setouts { get; set; }
        public Guid[] Deliveries { get; set; }
        public Guid[] Orders { get; set; }

        public Type ReferenceType()
        {
            if (Requisitions.Any())
                return typeof(Requisition);
            if (Setouts.Any())
                return typeof(Setout);
            if (Deliveries.Any())
                return typeof(Delivery);
            if (Orders.Any())
                return typeof(PurchaseOrder);
            return null;
        }

        public Guid GetID()
        {
            if (Requisitions.Any())
                return Requisitions.First();
            if (Setouts.Any())
                return Setouts.First();
            if (Deliveries.Any())
                return Deliveries.First();
            if (Orders.Any())
                return Orders.First();
            return Guid.Empty;
        }
    }
}