using AutoMapper;
using SessionCompanion.Database.Repositories.Base;
using SessionCompanion.Database.Tables;
using SessionCompanion.Services.Base;
using SessionCompanion.Services.Interfaces;
using SessionCompanion.ViewModels.CharacterViewModels;
using System;
using System.Collections.Generic;
using System.Text;
using System.Threading.Tasks;
using System.Linq;
using Microsoft.EntityFrameworkCore.Internal;
using Microsoft.EntityFrameworkCore;
using AutoMapper.QueryableExtensions;
using System.IO;
using Newtonsoft.Json.Linq;

namespace SessionCompanion.Services.Services
{
    public class CharacterService : ServiceBase<CharacterViewModel, Character>, ICharacterService
    {
        public CharacterService(IMapper mapper, IRepository<Character> repository) : base(mapper, repository)
        { }

        /// <summary>
        /// Funkcja zwraca listę postaci przypisanych do podanego użytkownika
        /// </summary>
        /// <param name="userId">identyfikator użytkownika</param>
        /// <returns>Lista postaci dosępnych dla podanego użytkownika</returns>
        public async Task<IEnumerable<CharacterForLoginViewModel>> GetUserLoginCharacters(int userId)
        {
            var characters = await Repository.Get(c => c.UserId.Equals(userId))
                                 .Include(x => x.Biography)
                                 .Include(x => x.Statistics)
                                 .Include(x => x.Biography).ThenInclude(b => b.Class).ToListAsync();
            var result = Mapper.Map<IEnumerable<CharacterForLoginViewModel>>(characters);
            return result;
        }

        /// <summary>
        /// Funkcja zwraca podstawowy widok postaci na podstawie ich id
        /// </summary>
        /// <param name="charactersId">Lista identyfikatorów postaci</param>
        /// <returns>Podstawowy widok podanych postaci</returns>
        public async Task<IEnumerable<CharacterBasicStatsViewModel>> GetBasicCharactersData(List<int> charactersId)
        {
            var characters = await Repository.Get(c => charactersId.Contains(c.Id))
                                                .Include(x => x.Biography)
                                                .ThenInclude(x => x.Class)
                                                .Include(x => x.Statistics).ToListAsync();
            var result = Mapper.Map<IEnumerable<CharacterBasicStatsViewModel>>(characters);
            return result;
        }

    }
}