using System;
using System.Collections.Generic;
using System.Diagnostics.CodeAnalysis;
using System.Linq;
using Comal.Classes;
using InABox.Core;
using InABox.Mobile;
using JetBrains.Annotations;
using Xamarin.CommunityToolkit.ObjectModel;

namespace PRS.Mobile
{
    public class ActivityModel : CoreRepository<ActivityModel,ActivityShell, EmployeeActivity>
    {
        public ActivityModel(IModelHost host, Func<Filter<EmployeeActivity>>? filter = null, Func<string>? cachefilename = null) : base(host, filter, cachefilename)
        {
        }

        protected override void Initialize()
        {
            base.Initialize();
            Forms = new ObservableRangeCollection<ActivityFormShell>();
        }

        public ObservableRangeCollection<ActivityFormShell> Forms { get; private set; }
        
        protected override void BeforeLoad(MultiQuery query)
        {
            base.BeforeLoad(query);
            
            query.Add<ActivityForm>(
                new Filter<ActivityForm>(x=>x.Form.Active).IsEqualTo(true)
                    .And(x=>x.Activity.ID).InQuery(EffectiveFilter(), x=>x.Activity.ID),
                GetColumns<ActivityFormShell,ActivityForm>()
            );
        }

        protected override void AfterLoad(MultiQuery query)
        {
            base.AfterLoad(query);
            
            Forms.ReplaceRange(
                query.Get<ActivityForm>()
                    .Rows
                    .Select(x => new ActivityFormShell() { Row = x, Parent = this })
                    .ToArray()
            );
        }
    }
}