namespace AcDream.App.UI;

/// <summary>
/// Retail <c>gmPanelUI</c> panel ids carried by DAT property <c>0x10000029</c>.
/// The toolbar exposes only a subset of these ids; Helpful/Harmful effects use
/// the authored <c>gmUIElement_EffectsIndicator</c> buttons instead.
/// </summary>
public static class RetailPanelCatalog
{
    public const uint CharacterInformation = 3u;
    public const uint PositiveEffects = 4u;
    public const uint NegativeEffects = 5u;
    public const uint Inventory = 7u;
    public const uint LinkStatus = 8u;
    public const uint MiniGame = 9u;
    public const uint Character = 11u;
    public const uint Magic = 13u;
    public const uint Vitae = 15u;

    /// <summary>
    /// The retail Options panel's <c>gmPanelUI</c> slot key — byte-verified
    /// from the toolbar options button's OWN authored property
    /// <c>0x10000029 = 10</c> (fixture <c>toolbar_21000016.json</c>,
    /// element <c>0x1000019B</c>) and independently corroborated by
    /// <c>docs/research/2026-08-10-options-panel-structure.md</c> §1.4's
    /// decompiled slot-key table (host <c>0x2100006E</c>, slot
    /// <c>0x1000018D</c> → key 10). Campaign OP slice OP3.
    /// </summary>
    public const uint Options = 10u;

    /// <summary>
    /// Campaign FA slice FA3: the four-tab Friends/Allegiance/Fellowship/
    /// Squelch panel's <c>gmPanelUI</c> slot key — byte-verified from the
    /// live installed DATs (host <c>0x2100006E</c> slot <c>0x1000018F</c>'s
    /// own authored <c>0x10000029 = 12</c>, <c>FaPanelSlotProbeTests</c>).
    /// No toolbar button authors this id (lane A §6.1: the open path is
    /// keyboard-only, F3/F4) — <see cref="SocialPanel"/> is therefore in
    /// <see cref="Mounted"/> only, not <see cref="Toolbar"/>, the same
    /// convention <see cref="PositiveEffects"/>/<see cref="NegativeEffects"/>/
    /// <see cref="LinkStatus"/>/<see cref="MiniGame"/>/<see cref="Vitae"/>
    /// already use for their own non-toolbar open paths.
    /// </summary>
    public const uint SocialPanel = 12u;

    private static readonly (uint PanelId, string WindowName)[] Mounted =
    {
        (CharacterInformation, WindowNames.CharacterInformation),
        (PositiveEffects, WindowNames.PositiveEffects),
        (NegativeEffects, WindowNames.NegativeEffects),
        (Inventory, WindowNames.Inventory),
        (LinkStatus, WindowNames.LinkStatus),
        (MiniGame, WindowNames.MiniGame),
        (Character, WindowNames.Character),
        (Magic, WindowNames.Spellbook),
        (Vitae, WindowNames.Vitae),
        (Options, WindowNames.Options),
        (SocialPanel, WindowNames.SocialPanel),
    };

    private static readonly (uint PanelId, string WindowName)[] Toolbar =
    {
        (Inventory, WindowNames.Inventory),
        (Character, WindowNames.Character),
        (Magic, WindowNames.Spellbook),
        (Options, WindowNames.Options),
    };

    public static IReadOnlyList<(uint PanelId, string WindowName)> MountedPanels => Mounted;
    public static IReadOnlyList<(uint PanelId, string WindowName)> ToolbarPanels => Toolbar;

    public static bool TryGetWindowName(uint panelId, out string windowName)
    {
        foreach (var entry in Mounted)
        {
            if (entry.PanelId != panelId) continue;
            windowName = entry.WindowName;
            return true;
        }

        windowName = string.Empty;
        return false;
    }

    public static bool TryGetPanelId(string windowName, out uint panelId)
    {
        foreach (var entry in Mounted)
        {
            if (!string.Equals(entry.WindowName, windowName, StringComparison.Ordinal)) continue;
            panelId = entry.PanelId;
            return true;
        }

        panelId = 0;
        return false;
    }
}