using AnotherReplayReader.ReplayFile;
using System.Collections.Immutable;
using System.Linq;

namespace AnotherReplayReader.Utils
{
    internal class ReplayPinyinList
    {
        public ImmutableArray<Replay> Replays { get; } = ImmutableArray<Replay>.Empty;
        public ImmutableArray<ReplayPinyinData> Pinyins { get; } = ImmutableArray<ReplayPinyinData>.Empty;

        public ReplayPinyinList() :
            this(ImmutableArray<Replay>.Empty)
        {
        }

        public ReplayPinyinList(ImmutableArray<Replay> replay) :
            this(replay,
                 replay.Select(replay => new ReplayPinyinData(replay)).ToImmutableArray())
        {
        }

        private ReplayPinyinList(ImmutableArray<Replay> replay,
                                 ImmutableArray<ReplayPinyinData> pinyins)
        {
            Replays = replay;
            Pinyins = pinyins;
        }

        public ReplayPinyinList SetItem(int index, Replay replay)
        {
            return new(Replays.SetItem(index, replay),
                       Pinyins.SetItem(index, new(replay)));
        }
    }

    class ReplayPinyinData
    {
        public Replay Replay { get; }
        public string? PinyinDetails { get; }
        public string? PinyinMod { get; }

        public ReplayPinyinData(Replay replay)
        {
            Replay = replay;
            PinyinDetails = replay.GetDetails().ToPinyin();
            PinyinMod = replay.Mod.ModName.ToPinyin();
        }

        public bool MatchPinyin(string? pinyin)
        {
            return PinyinDetails?.ContainsIgnoreCase(pinyin) is true
                || PinyinMod?.ContainsIgnoreCase(pinyin) is true;
        }
    }
}