using System.Collections.Generic;
using System.Collections.ObjectModel;

namespace BriarQueen.Data.Identifiers
{
    public enum SubtitleKey
    {
        None = 0,
        // Example:
        // IntroLine = 1,
        // TutorialTip = 2
    }

    public readonly struct SubtitleEntry
    {
        public SubtitleEntry(string text, float preferredDurationSeconds = 0f)
        {
            Text = text;
            PreferredDurationSeconds = preferredDurationSeconds;
        }

        public string Text { get; }
        public float PreferredDurationSeconds { get; }
    }

    public static class SubtitleIdentifiers
    {
        public static readonly IReadOnlyDictionary<SubtitleKey, SubtitleEntry> Subtitles =
            new ReadOnlyDictionary<SubtitleKey, SubtitleEntry>(
                new Dictionary<SubtitleKey, SubtitleEntry>
                {
                    // { SubtitleKey.IntroLine, new SubtitleEntry("Example subtitle.", 2.5f) },
                });

        public static bool TryGet(SubtitleKey key, out SubtitleEntry entry)
        {
            return Subtitles.TryGetValue(key, out entry);
        }

        public static string GetText(SubtitleKey key)
        {
            return Subtitles.TryGetValue(key, out var entry) ? entry.Text : string.Empty;
        }

        public static float GetPreferredDuration(SubtitleKey key)
        {
            return Subtitles.TryGetValue(key, out var entry) ? entry.PreferredDurationSeconds : 0f;
        }

        public static IEnumerable<SubtitleKey> GetAllKeys()
        {
            return Subtitles.Keys;
        }
    }
}