namespace IdleSpectator;

/// <summary>
/// Shared catalog row for discrete / library-backed spectator events.
/// Lives in <c>Events/</c> with <see cref="EventReason"/> - catalogs own dials; director only ranks.
/// </summary>
public sealed class DiscreteEventEntry
{
    public string Id = "";
    public float EventStrength = 50f;
    public string Category = "Event";
    public bool CreatesInterest = true;
    public string LabelTemplate = "{a}";
    /// <summary>
    /// Optional infinitive clause for decision-style reasons
    /// (e.g. <c>change the kingdom's culture</c> → <c>{a} decides to …</c>).
    /// </summary>
    public string ActionPhrase = "";
    /// <summary>
    /// When set, <c>{id}</c> resolves via <see cref="LibraryAssetNames"/> for this domain.
    /// </summary>
    public string LibraryKind = "";
    public bool IsFallback;

    public string MakeLabel(Actor a, Actor b = null)
    {
        string template = LabelTemplate ?? "";
        if (template.IndexOf("casts {id}", System.StringComparison.OrdinalIgnoreCase) >= 0
            || template.IndexOf("casts {ID}", System.StringComparison.OrdinalIgnoreCase) >= 0)
        {
            string an = EventFeedUtil.SafeName(a);
            string obj = EventReason.SpellCastObject(Id);
            return (string.IsNullOrEmpty(an) ? "Someone" : an) + " casts " + obj;
        }

        string displayId = ResolveIdDisplay();
        string t = string.IsNullOrEmpty(template) ? "{a}" : template;
        return t
            .Replace("{id}", displayId)
            .Replace("{a}", EventFeedUtil.SafeName(a) ?? "")
            .Replace("{b}", EventFeedUtil.SafeName(b) ?? "");
    }

    public string MakeLabel(string a, string b)
    {
        string template = string.IsNullOrEmpty(LabelTemplate) ? "{id}" : LabelTemplate;
        if (template.IndexOf("casts {id}", System.StringComparison.OrdinalIgnoreCase) >= 0)
        {
            string an = string.IsNullOrEmpty(a) ? "Someone" : a;
            return an + " casts " + EventReason.SpellCastObject(Id);
        }

        string displayId = ResolveIdDisplay();
        return template
            .Replace("{id}", displayId)
            .Replace("{a}", a ?? "")
            .Replace("{b}", b ?? "");
    }

    /// <summary>Localized library name when <see cref="LibraryKind"/> is set; else humanized id.</summary>
    public string ResolveIdDisplay()
    {
        if (string.IsNullOrEmpty(Id))
        {
            return "";
        }

        if (!string.IsNullOrEmpty(LibraryKind))
        {
            string named = LibraryAssetNames.DisplayName(LibraryKind, Id);
            if (!string.IsNullOrEmpty(named))
            {
                return named;
            }
        }

        return EventReason.HumanizeId(Id);
    }
}