using System.Collections.Generic;

namespace LaDOSE.DTO
{
    /// <summary>
    /// Every recorded meeting between two players, broken down per game.
    /// Sets belonging to a bracket with no game attached are not in <see cref="Games"/>
    /// nor in the totals — they are only counted in <see cref="UnknownGameSets"/>.
    /// </summary>
    public class PlayerVersusDTO
    {
        public int PlayerAId { get; set; }

        /// <summary>Gamertag, falling back to Name, else "#&lt;id&gt;".</summary>
        public string PlayerA { get; set; }

        public int PlayerBId { get; set; }

        public string PlayerB { get; set; }

        /// <summary>Meetings in a bracket whose game is known — the sum of the rows in <see cref="Games"/>.</summary>
        public int Sets { get; set; }

        /// <summary>Of those, the ones with a determinable winner.</summary>
        public int DecidedSets { get; set; }

        public int WinsA { get; set; }
        public int WinsB { get; set; }

        /// <summary>Meetings dropped because the bracket has no game attached.</summary>
        public int UnknownGameSets { get; set; }

        /// <summary>One row per game they met in, most-played first.</summary>
        public List<VersusGameStatsDTO> Games { get; set; }
    }

    /// <summary>One game's slice of a <see cref="PlayerVersusDTO"/>.</summary>
    public class VersusGameStatsDTO
    {
        public int GameId { get; set; }

        /// <summary>Game name, or "#&lt;id&gt;" when the game row is gone.</summary>
        public string Game { get; set; }

        public string GameLongName { get; set; }

        /// <summary>Meetings in this game, decided or not.</summary>
        public int Sets { get; set; }

        /// <summary>Meetings with a determinable winner. Always equals WinsA + WinsB.</summary>
        public int DecidedSets { get; set; }

        public int WinsA { get; set; }
        public int WinsB { get; set; }

        /// <summary>Individual games won inside the decided sets.</summary>
        public int GamesWonA { get; set; }

        public int GamesWonB { get; set; }
    }

    /// <summary>
    /// A player who can be picked for a versus lookup: one with at least one set in a
    /// bracket whose game is known.
    /// </summary>
    public class PlayerOptionDTO
    {
        public int Id { get; set; }

        /// <summary>Gamertag, falling back to Name, else "#&lt;id&gt;".</summary>
        public string Name { get; set; }

        /// <summary>Sets in a bracket with a known game, whoever the opponent was.</summary>
        public int Sets { get; set; }
    }
}