using MediatR;
using DigitalData.Core.Abstraction.Application.Repository;
using AutoMapper;
using Microsoft.EntityFrameworkCore;
using DigitalData.Core.Exceptions;
using ReC.Application.Common.Dto;
using ReC.Domain.Views;

namespace ReC.Application.RecActions.Queries;

public record ReadRecActionViewQuery : IRequest<IEnumerable<RecActionViewDto>>
{
    public long? ProfileId { get; init; } = null;

    public bool? Invoked { get; set; } = null;
}

public class ReadRecActionViewQueryHandler(IRepository<RecActionView> repo, IMapper mapper) : IRequestHandler<ReadRecActionViewQuery, IEnumerable<RecActionViewDto>>
{
    public async Task<IEnumerable<RecActionViewDto>> Handle(ReadRecActionViewQuery request, CancellationToken cancel)
    {
        var query = repo.Query;

        if (request.ProfileId is long profileId)
            query = repo.Where(act => act.ProfileId == profileId);

        if (request.Invoked is bool invoked)
            query = invoked
                ? query.Where(act => act.Results!.Any())
                : query.Where(act => !act.Results!.Any());

        var actions = await query.ToListAsync(cancel);

        if (actions.Count == 0)
            throw new NotFoundException($"No actions found for the profile {request.ProfileId}.");

        return mapper.Map<IEnumerable<RecActionViewDto>>(actions);
    }
}