using System;
using System.Collections.Generic;
using System.Linq.Expressions;
using InABox.Core;

namespace Comal.Classes
{
    public abstract class MeetingMotionVotes : CoreAggregate<MeetingMotion, MeetingMotionVote, Guid>
    {
        public override Expression<Func<MeetingMotionVote, Guid>> Aggregate => x => x.ID;
        
        public override Dictionary<Expression<Func<MeetingMotionVote, object>>, Expression<Func<MeetingMotion, object>>> Links =>
            new Dictionary<Expression<Func<MeetingMotionVote, object>>, Expression<Func<MeetingMotion, object>>>()
            {
                { MeetingMotionVote => MeetingMotionVote.Motion.ID, MeetingMotion => MeetingMotion.ID }
            };

        public override AggregateCalculation Calculation => AggregateCalculation.Count;
    }

    public class MeetingMotionVotesFor : MeetingMotionVotes
    {
        public override Filter<MeetingMotionVote>? Filter => new Filter<MeetingMotionVote>(x => x.Vote).IsEqualTo(Vote.For);
    }
    
    public class MeetingMotionVotesAgainst : MeetingMotionVotes
    {
        public override Filter<MeetingMotionVote>? Filter => new Filter<MeetingMotionVote>(x => x.Vote).IsEqualTo(Vote.Against);
    }
    
    public class MeetingMotionVotesAbstain : MeetingMotionVotes
    {
        public override Filter<MeetingMotionVote>? Filter => new Filter<MeetingMotionVote>(x => x.Vote).IsEqualTo(Vote.Abstain);
    }
    
    public class MeetingMotion: Entity, IRemotable, IPersistent, IMeetingMotion, ILicense<MeetingLicence>
    {
        
        [NullEditor]
        [EntityRelationship(DeleteAction.Cascade)]
        public MeetingItemLink Item { get; set; }

        [MemoEditor(Visible = Visible.Default, Width=0)]
        [EditorSequence(1)]
        [Caption("Motion")]
        public string Description { get; set; }
        
        [EditorSequence(3)]
        [Aggregate(typeof(MeetingMotionVotesFor))]
        [IntegerEditor(Visible = Visible.Default, Editable = Editable.Hidden, Width=60, Alignment = Alignment.MiddleCenter)]
        public int For { get; set; }
        
        [EditorSequence(3)]
        [Aggregate(typeof(MeetingMotionVotesAgainst))]
        [IntegerEditor(Visible = Visible.Default, Editable = Editable.Hidden, Width=60, Alignment = Alignment.MiddleCenter)]
        public int Against { get; set; }
        
        [EditorSequence(3)]
        [Aggregate(typeof(MeetingMotionVotesAbstain))]
        [IntegerEditor(Visible = Visible.Default, Editable = Editable.Hidden, Width=60, Alignment = Alignment.MiddleCenter)]
        public int Abstain { get; set; }

        [EditorSequence(2)]
        [EnumLookupEditor(typeof(MeetingMotionOutcome), Visible = Visible.Default, Width=100, Alignment = Alignment.MiddleCenter)]
        public MeetingMotionOutcome Outcome { get; set; }
        

        
    }
}