using SushiBarContracts.BindingModels;
using SushiBarContracts.SearchModels;
using SushiBarContracts.StoragesContracts;
using SushiBarContracts.ViewModels;
using SushiBarFileImplement.Models;

namespace SushiBarFileImplement.Implements;

public class MessageInfoStorage : IMessageInfoStorage
{
    private readonly DataFileSingleton source;
    public MessageInfoStorage()
    {
        source = DataFileSingleton.GetInstance();
    }
    public MessageInfoViewModel? GetElement(MessageInfoSearchModel model)
    {
        return model.MessageId == null ? 
            null : 
            source.Messages
                .FirstOrDefault(x => x.MessageId == model.MessageId)
                ?.GetViewModel;
    }

    public List<MessageInfoViewModel> GetFilteredList(MessageInfoSearchModel model)
    {
        if (!model.ClientId.HasValue)
            return new List<MessageInfoViewModel>();
        return source.Messages
            .Where(x => x.ClientId == model.ClientId)
            .Select(x => x.GetViewModel)
            .ToList();
    }

    public List<MessageInfoViewModel> GetFullList()
    {
        return source.Messages
            .Select(x => x.GetViewModel)
            .ToList();
    }

    public MessageInfoViewModel? Insert(MessageInfoBindingModel model)
    {
        var newMessage = Message.Create(model);
        if (newMessage == null)
        {
            return null;
        }
        source.Messages.Add(newMessage);
        source.SaveMessages();
        return newMessage.GetViewModel;
    }

    public MessageInfoViewModel? Update(MessageInfoBindingModel model)
    {
        throw new NotImplementedException();
    }
}